Disposal of solid waste and reclamation of contaminated soil (B09)

B09            Disposal of solid waste; reclamation of contaminated soil(990)

ethod for complex ash processing of heat power plants waste piles and plant for complex ash processing of heat power plants waste piles // 2614003
FIELD: power industry.SUBSTANCE: complex ash processing method of heat power plants waste piles includes the separating of ash pulp into the coarse and fine fractions, flotation, and magnetic separation to obtain the target products. The coarse fractions of ash are separated on the screens for using in the production of concrete mixtures. Ash fine fractions and subjected to the main and cleaner flotation, filtration and drying, to obtain a carbon concentrate. The separated at the primary flotation the tail fractions are subjected to magnetic separation and drying to obtain magnetite and silica-alumina concentrate. The aluminosilicate concentrate is grounded in the ball mill upto the fine fraction, filtered and dried. During the primary flotation the collector-kerosine and pine oil is used as the blowing agent. The cleaner flotation is carried out on the return water. The method is carried out on the complex ash processing plant of heat power plants waste piles, containing the means for separating the ash pulp into the coarse and fine fractions, as well as flotation and magnetic separation to obtain the target products. The ash pulp separator is designed as the screen, which outlet of the coarse fraction is connected to the inlet of the first section for the production of concrete mixtures. The screen outlet of the fine fraction is connected to the first flotation machine inlet for the main flotation, the first outlet of which is connected through the second machine of the cleaner flotation, filtration and drying units with the the second section inlet for the coal concentrate storing. The second outlet of the first flotation machine is connected with the first inlet of magnetic separation unit, the first outlet of which is connected through the drain silo with the third section inlet for the magnetite concentrate storing. The second outlet of the magnetic separation unit is connected through the thickener and drying units with the third section inlet for the aluminosilicate concentrate storing. The drain silo outlet of water is connected to the second inlet of the magnetic separation unit.EFFECT: fullest recovery from the wet ash waste piles of power heating plant of the target useful products in the form of ash coarse fraction for the concrete mixtures production, carbon for using as a boiler fuel, magnetite concentrate as a raw material for the metal industry and active aluminium silicate additive for construction materials productions.5 cl, 1 dwg, 1 tbl 2 ex

ethod to destroy toxic organic compounds // 2613989
FIELD: technological processes.SUBSTANCE: invention relates to the field of destruction and decontamination of toxic substances, including chemical warfare agents. Method includes addition of toxic organic compounds into a reactor and energy impact at these organic compounds. Toxic organic compounds in sealed packages are first placed into a closed container, which is then introduced into the reactor, afterwards the reactor is filled with melt, which surrounds the container from all sides to form a cast from solid melt. After melt becomes solid, and its energy impact at toxic organic compounds is stopped, the formed cast with the container inside is withdrawn from the reactor and is placed for environmentally safe long-term storage.EFFECT: feature of the invention consists in expansion of technological capabilities of the method, reduced costs and simplified technology of toxic organic compounds destruction, and more important, in increased safety of personnel handling chemical agents, since it is not required to open primary packages with chemical agents.5 cl, 2 dwg
ethod of evaluation of efficiency of reclamation of disturbed tundra soils by application of local peat and potassium humate // 2611165
FIELD: agriculture.SUBSTANCE: method comprises the sequential application of local peat and aqueous solution of potassium humate obtained from it in quantities that depend on the granulometric composition of the soil, and also planting and growing a mixture of grasses and cereals. At the first stage the enzyme dehydrogenase activity of undisturbed soil (control) is determined - sample №1 and that of local deposits of peat - the samples №2, №3 and №4 to select the peat samples with the maximum dehydrogenase activity. At the second stage, using the methods of experimental design, for example the method of saturated factorial design, a number of doses of peat and aqueous solution of 0.125% potassium humate, obtained from peat selected from the samples №2, №3 and №4, is selected and then at the third stage the samples of disturbed tundra soil are prepared with the application of peat - the batch of samples №5, as well as the disturbed tundra soil with subsequent application of peat and an aqueous solution of potassium humate - the batch of samples №6. The prepared batches of samples are inoculated with a mixture of grass and grain seeds and incubated for growing plants in both batches for 30 days in daylight under the controlled hydrothermal conditions (humidity 70% of full moisture capacity and the average monthly temperature natural for the study region). Then at the fourth stage the aboveground biomass of a mixture of grasses and cereals is determined in each sample of both batches №5 and №6. And the efficiency of the upcoming reclamation of the disturbed tundra soils is determined by exceeding of the above-ground biomass of the mixture of grasses and cereals of the sample batch №6 with respect to the above-ground biomass of the mixture of grasses and cereals of the sample batch №5. The optimum ratio of soil, peat and potassium humate for reclamation of specific tundra site is determined according to the results of mathematical processing corresponding to the selected method of experimental design, the test data obtained on the fourth stage - the sample batches №5 and №6.EFFECT: method enables to restore rapidly soil fertility and to normalize the physiological processes in plants.3 dwg, 1 tbl
ethod of oil sludge preparation for hydrogenation processing (versions) and method of hydrogenation processing of oil sludge therewith (versions) // 2611163
FIELD: oil and gas industry.SUBSTANCE: group of inventions relates to the processing of oil waste, namely oil sludge, into oil and may be used for disposal of oil sludge and production of distillate fractions with a temperature no higher than 520°C. According to the first option of the method the oil slurdge containing more that 5% by weight of mineral impurities is brought into contact with the solvent in the extractor for the hydrogenation processing. The extractor pre-purging is carried out with inert gas till the air is removed and the extraction is made with constant stirring and purging with the inert gas. Water, a solvent part and a light hydrocarbons fraction boiling up to 350°C are recovered from the extract. The remainder of the extract is separated for a liquid organic phase and a precipitate via settling and decantation. The latter is sent for re-extraction. The second extract is hot filtered at the excessive pressure of 0.4-0.6 MPa and a temperature of 45-50°C and the filtrate is mixed with a liquid organic phase to get the processed raw material. If oil sludge contains less than 5% by weight. of mineral impurities, then no sedimentation and decantation is made for its preparation immediately directing part of the extract devoid of light hydrocarbons to hot filtration. The solvent is removed from the filtrate or its mixture with the liquid organic phase by distillation, and from precipitate filtration - by evaporation, and return it to the cycle. The raw materials prepared for the hydrogenation processing under the first or second method are transfered into the reactor and the hydrogenator processing of the said raw materials in the presence of hydrogen and a catalyst MoS2 synthesized in situ from water solution of ammonium paramolybdate dispersed in the processed raw materials is carried out.EFFECT: invention increases the degree of recycling of oil sludge preventing equipment corrosion and poisoning of the catalyst by mineral impurities contained in the oil sludge, and increasing distillate fractional yield during hydrogenation refining of oil sludge.4 cl, 7 tbl, 10 ex

ethod of evaluation of efficiency of reclamation by peat of disturbed tundra soils with different full moisture capacity // 2611159
FIELD: agriculture.SUBSTANCE: method comprises application of peat into the soil taking into account their full moisture capacity, and evaluation of efficiency of their reclamation. At the first stage the full moisture capacity of the disturbed soil is determined, for example, using the gravimetric method after achievement of full water saturation of all its pores. At the second stage the local peat is sampled from at least three peat bogs - samples №1, №2 and №3 to determine the sample with the maximum activity of the enzyme dehydrogenase as a key indicator of reclamation of soil fertility. At the third stage a rational peat dose is selected (samples №1, №2 or №3) as a ratio of peat: soil from the data obtained depending on the total moisture capacity of the soil. At the fourth stage, after the soil incubation for 10 days under controlled hydrothermal conditions (humidity of 70% of the total moisture capacity and the temperature 30°C), the samples of disturbed soil are taken without peat application - the sample №4, as well the samples of disturbed soil with the application of peat (samples №1, №2 and №3) - the sample №5. Then the dehydrogenase activity of the samples is determined, while the effectiveness of reclamation of disturbed soil by peat is determined by the increased dehydrogenase activity of the sample №5 with respect to dehydrogenase activity of the sample №4.EFFECT: method enables to reduce time, to improve accuracy and quality of evaluation of the reclamation efficiency of disturbed soils with different full moisture capacity, and to use efficiently peat under conditions of the Far North.4 dwg, 1 tbl
ethod of tailing dump in mountain trenches recultivation // 2611075
FIELD: ecology.SUBSTANCE: invention relates to mining industry environmental safety and mountain landscapes protection against chemical contamination, coming with surface and underground water flows on tailing dump side. Method involves recultivation by means of loamy layer application and compaction. At that, recultivation is performed in three stages, first forming trenches in 15–30 m from tailing dump coastal zone (beach), with depth below tailing dump bottom for 3–5 m, with width of 1.5–2 m, with subsequent excavation of carcinogenic substances bottom deposits from tailing dump bottom, which are transported and stored in spent and abandoned mines at depth of past mining operations, and tailing dump bottom is filled with irlit-containing absorbent clays, creating geochemical barrier for water flows on tailing dump side.EFFECT: technical result is creation of geochemical barrier for protection of surrounding landscapes against further spreading of chemical contamination, simplification of tailing dump reclamation.1 cl, 2 ex
Automorphous salt marsh development method into forage lands in semidesert landscapes // 2610708
FIELD: agriculture.SUBSTANCE: invention relates to agriculture, in particular to development of barren saline soils into productive grassland. Method involves creation on soil surface of artificial obstacles for retention of ooze-sand fractions continuously moving along soil surface containing arable plant formations seeds, which, sprouting in case of precipitation, fix these fractions by their roots and during 1–2 years form on salt marsh surface initially overgrown with ephemerous plants, and further with wild grasses and saltworts arable plant formations. To create arable plant formations using layer of soil sand and silt fractions with neutral reaction and arable plant formations seeds contained in it.EFFECT: method allows to exclude mechanical effect at soil and amplification of weathering.1 cl, 3 dwg, 3 tbl

Composition for remediation of soil contaminated with arsenic-containing compounds // 2610502
FIELD: chemistry.SUBSTANCE: invention relates to remediation of soil. Composition for remediation of soil contaminated with arsenic-containing compounds, contains gaize treated iron(III) chloride, calcium peroxide and an oxidant in following ratio of components, wt%: gaize – 99.5, iron(III) chloride – 0.2, calcium peroxide – 0.3. Composition reduces content of water-soluble forms of arsenic in soil from 90 to 96.8 % and provides immobilisation of arsenic(V) compounds on aluminosilicate gaize.EFFECT: invention can be used in treatment of soils for different purposes, contaminated arsenic-containing compounds.1 cl, 2 dwg, 1 tbl
ethod for processing drilling wastes // 2608230
FIELD: construction.SUBSTANCE: method involves introduction cement and sorbent into wastes, hardening of the semi-finished product to produce finished construction material. Wastes are mixed with 10–20 % of natural sand and 0.6–1.0 % of Unisorb-Bio sorbent of the weight of processed wastes. Obtained mixture is dehydrated to moisture content of not more than 30 %, oil-well portland cement 1–50 is added in an amount of 20–30 % of the weight of the dehydrated mixture, also added is the hardening accelerator in an amount of 0.8–1.0 % of weight of oil-well portland cement, produced mass is briquetted at pressing pressure from 30 to 50 MPa, obtained briquettes are hardened to the required strength of a finished construction material.EFFECT: use of the invention allows to produce strong construction molded material.1 cl

Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil // 2607764
FIELD: chemistry.SUBSTANCE: invention relates to a method for treating a catalyst discharged from bubbling bed hydrogenation of residual oil. Method comprises following steps: (1) adjustment and control to reduce viscosity, wherein catalyst discharged intermittently from a bubbling bed hydrogenation reactor for residual oil, is adjusted for storage and then discharged continuously, subjected to temperature adjustment by adding water, such that viscosity of oil adsorbed on surfaces and inside pores of discharged catalyst particles is reduced, and flowability of adsorbed oil on surfaces and inside pores of the discharged catalyst particles is improved; (2) desorption and separation by rotational flow, wherein adsorbed oil is desorbed and separated from surfaces and inner pores of discharged catalyst particles by a flowing shear force from a rotational flow field; (3) separation and resource utilisation of three phase oil-water-catalyst, wherein oil/water/catalyst mixture produced from desorption and separation by rotational flow, is subjected to three-phase separation, achieving recovery of oil, recycling of water obtained by separation, and full recovery of solid particles obtained by separation. Invention also discloses a device for implementation of method.EFFECT: technical result consists in reduction of cost of treatment, simplified process, higher oil recovery factor, reduced tendency to formation of secondary sources of contamination.10 cl, 1 dwg, 1 ex

ethod of decontaminating highly mineralized drilling wastes and plant for its implementation // 2607599
FIELD: mining; processing and recycling of wastes.SUBSTANCE: group of inventions relates to a plant for decontamination of highly mineralized drilling wastes containing oil products, heavy metals, synthetic surfactants and other contaminants based on introduction of a hardening composition and a method implemented with using it. Plant includes pumps, pipelines, a unit for receiving and washing drilling wastes, a unit of coarse mechanical treatment, a reagents preparation and dispensing unit, a unit for cleaning the contaminated brine, a fine mechanical treatment unit, a container for temporary storage of the clarified brine. Plant additionally contains an inertization unit, a mixing module of which is equipped with a bottom gate to discharge the hardened material and is connected via the main line to the coarse mechanical treatment unit, the unit for cleaning the contaminated brine and the fine mechanical treatment unit. Included in the unit for receiving and washing the drilling wastes mixing container is equipped with a blade mixer, a loading funnel and is provided with a hydrodynamic disperser. All units of the plant are integrated with the help of frames and metal structures and can be based on a welded frame of a two-axle trailer. Treatment of the drilling wastes is performed by inertization after washing from salts to obtain washed drilling mud of the contaminated brine followed by thorough mechanical stirring for 2–3 minutes of the drilling mud with the hardening composition of not less than 20 wt%. based on a binder cement of grade PC M-500 of 40–80 wt%. and a fine active sorption additive – gaize of 20–60 wt%. at the humidity of 40 %. Then a hardening activator solution is added, as which used is 20 % liquid glass in the amount of 10–20 % of the dry hardened material, and is thoroughly stirred for 5–7 minutes. Contaminated brine is directed for multistage cleaning by coagulation, flocculation and centrifugation to form a solid phase sent for inertization.EFFECT: group of inventions provides decreased negative environmental load on natural objects.2 cl, 2 tbl, 1 dwg
Composition for neutralising oil contaminated materials // 2607455
FIELD: oil industry.SUBSTANCE: invention relates to reagents, intended for decontaminating oil-contaminated materials, including soils, drill cuttings, production wastes, and decontamination of soil in areas of oil spill and oil products to eliminate consequences of emergency situations without collection and removal of soil to special landfills. Composition for decontaminating oil-contaminated materials includes alumina, alabaster, lime, cement, dolomite powder, calcined soda in following ratio of components, wt%: alabaster 5–15, alumina 10–45, lime 25–75, dolomite powder 2–12, calcined soda 0.8–3, cement 2–7.EFFECT: use of proposed composition allows fast, in shortest time, elimination of consequences of emergency situations without collection and removal of soil to special landfills, higher efficiency of reduction of residual hydrocarbons in contaminated soils.1 cl
ethod for complex processing of ash from burning coal // 2605987
FIELD: technological processes.SUBSTANCE: invention relates to complex processing of ashes from burning coals. Method involves blending the ash with sodium hydroxide, sintering at the temperature of 150–200 °C, leaching the sinter, separation of phases, desiliconization of the solution by adding sodium hydroalumosilicate into the solution. In compliance with this method prior to leaching the sinter it is washed with water to obtain a first silicate solution, the washed sinter is leached with sulphuric acid, the produced pulp is separated by filtration. Desiliconization of the solution is performed till complete extraction of silica to obtain a solution of aluminium sulphate and a silica-containing residue. Residue is dissolved in an alkaline solution to obtain a second silicate solution, which is combined with the first silicate solution directing further to produce white soot by carbonization. Technical result is reducing the sintering temperature and reducing consumption of reagents when reaching the alumina extraction at the level of 94.4–96.7 % and the silica extraction at the level of 93.9–98.2 %.EFFECT: lower sintering temperature and reduced consumption of reagents.1 cl, 1 tbl, 2 ex

Production of organic materials using oxidative hydrothermal dissolution method // 2604726
FIELD: ecology; technological processes.SUBSTANCE: invention relates to environmentally friendly methods of organic substances production, such as oil substances and aromatic acids, phenols and aliphatic polycarbonate acids using hydro-thermic oxidative dissolution process (PER). Method of solid organic substance solubilizing contained in composite material containing organic solid substance and inorganic matrix includes: bringing said composite material in contact with oxidizing agent in superheated water to form aqueous mixture, containing at least one solubilized organic dissolved substance, wherein composite material is selected from group consisting of tar sand, carbonaceous oil shale and any mixture thereof.EFFECT: disclosed is environmentally safe method of organic substances production.16 cl, 31 dwg, 5 tbl, 7 ex

ethod of processing absorbing hygienic products // 2604692
FIELD: medicine.SUBSTANCE: invention relates to medicine. Method of processing used absorbent hygienic products is described, involving following stages: creation of cylindrical rotor autoclave with inner surface and two ends, at least one of which ends with hatch, which can be opened to allow access to said autoclave and tightly closed to provide creation of increased pressure inside autoclave; loading of said autoclave with absorbent hygienic products in closed form; heating up to temperature of sterilization and creation of increased pressure inside autoclave, wherein bringing autoclave into rotation about its longitudinal axis; wherein said step of heating and creation of increased pressure inside autoclave provides first temperature mode for products, contained in autoclave, as well as second temperature mode, higher than first temperature mode for said inner surface.EFFECT: method of efficient sterilization and drying during processing in autoclave.3 cl, 2 dwg

aterial for reclamation of disturbed lands // 2603907
FIELD: ecology.SUBSTANCE: invention relates to environmental protection. Material for reclamation of disturbed lands contains natural ground and industrial wastes. In the role of industrial wastes, it comprises refuse heaps, subjected to spontaneous ignition during storage, at weight ratio of natural soil to refuse heaps equal to 1:1.EFFECT: technical result is obtaining material for reclamation of disturbed lands using a simple technique, recycling wastes of coal industry, having negative impact on environment and providing expansion of raw material resources for producing material for reclamation of disturbed lands.1 cl, 1 dwg
ethod of protecting a root system of woody plants for biological reclamation // 2603584
FIELD: forestry.SUBSTANCE: invention relates to land reclamation and forestry. Protecting a root system of woody plants during forest reclamation is provided by dipping roots of wood plants intended for biological reclamation in clay "mash" with an organic fertilizer.EFFECT: method allows recovering the environmental function of land, reducing the reclamation length and increasing plantation durability.1 cl, 1 ex

ethod for detoxification of white phosphorus using microorganism strain trichoderma asperellum vkpm f-1087 // 2603259
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, specifically to a method for detoxification of white phosphorus in contaminated soil. Decontamination is performed by treatment of white phosphorus-contaminated soil with a strain of Trichoderma asperellum VKPM F-1087. Method enables detoxification of soil containing white phosphorus in concentration up to 1.0 wt%, exceeding the maximum allowable concentration 5,000 times.EFFECT: method enables detoxification of soil.1 cl, 1 dwg

ethod of recycling oily wastes // 2603150
FIELD: environmental protection.SUBSTANCE: invention relates to environmental protection, particularly, to processes of recycling oily wastes and recycled filtering and absorbing waste mass, and can be used in oil and gas industry and waste treatment facilities. Preliminarily heated oily wastes and fat-and-oil industry wastes are being stirred, while stirring unslaked lime is being added portionwise, water reacting with unslaked lime is being introduced, amount of water is being determined considering water in oily wastes. Recycled filtering and absorbing waste mass produced after repeated regeneration of diatomite filtering powder is used as fat-and-oil industry wastes, oily wastes are being mixed fat-and-oil industry wastes in ratio of 1:(0.1-0.3) by weight, unslaked lime is being added in amount of 62-91 wt% of the weight of waste mixture to produce a homogeneous hydrophobic loose fine powder, and oily wastes and fat-and-oil industry wastes are being stirred, preliminary heating to temperature of 80-85 °C.EFFECT: reduced leachability of contaminating materials from the oily waste recycling product using more effective available neutralizing components with modifier and adsorbent properties.1 cl, 1 tbl, 6 ex

ethod of soil cleaning from hydrocarbons and pesticides and device for its implementation // 2602615
FIELD: ecology.SUBSTANCE: invention relates to environmental protection, namely to reclamation of lands, contaminated with hydrocarbons (oil products), decontamination of soil from pesticides using phenomenon of electric osmosis. Method of cleaning soil from oil products and pesticides using electroosmosis consists in immersing of central and peripheral electrodes into soil at section, undergoing cleaning, creation of non-uniform electric field between central and peripheral electrodes, supplying of non-contaminating carrier fluid into area adjoining central electrode, movement of carrier fluid under action of electroosmotic effect from central electrode to peripheral ones, removal of dirt beyond contaminated section, displacement of contaminants from soil by carrier fluid and removal thereof from peripheral electrodes, non-uniform electric field intensity value is set within 50-110 kV/m, before supplying carrier fluid soil is milled into particles of 1.0 mm in depth of 20-25 cm. Milled soil is mixed with carrier fluid to concentration of 1:6. Fluidized layer is created by device in depth of 10-12 cm with supply of compressed air of pressure 1-2 ATM. Proposed device comprises central electrode and system of peripheral electrodes, submerged into soil cleaning section, nozzle for carrier fluid supply and removal of fluid, containing contaminants, from cleaning section. Central electrode is made in form of rod with cross section in form of polygon with concave sides. System of peripheral electrodes is composed by separate rods. Rods are connected by wire conductors with sharp-pointed elements on them, point of which is directed to central electrode. Ahead of nozzles for supply of carrier fluid dispenser is placed. Above system of peripheral electrodes device for creation of fluidized layer is located, including central r-shape pipeline with compressor, connected via control valve with system of radial pipelines, at end of each of which nozzles are located, submerged into soil for depth of 10-12 cm.EFFECT: proposed method of soil cleaning from hydrocarbons and pesticides and device for it provide maximum effect of soil cleaning.2 cl, 1 tbl, 2 dwg

ethod of processing solid organic wastes // 2602610
FIELD: recycling.SUBSTANCE: method of processing solid domestic wastes and/or production wastes, selected from natural and synthetic polymers in gaseous, liquid and solid products by means of simultaneous impact of accelerated electrons and temperature. Processing is carried out in flow mode, changing clearance between outlet opening of the accelerator and the surface of raw material at temperature, providing melting of not less than 30 % fraction of synthetic polymers, but not higher than the temperature that provides the beginning of the dry distillation of more than 30 % of fraction of natural polymers with traditional heating not more than 30 °C, exposing volatile products of fractional condensation outside the irradiation area.EFFECT: using the given method allows waste-free processing of SDW.11 cl, 2 tbl
ethod of treating oil sludge and cleaning oil contaminated soil // 2602179
FIELD: oil and gas industry.SUBSTANCE: invention relates to oil industry, more specifically to methods for improvement of ecological state and return to economic use of lands contaminated by oil products, in particular oil sludge and oily soils. Method of treating oil sludge and cleaning oil contaminated soil involves selection of composition of oil sludge with water content from 0.01 to 99.9 %, introduction of organic components into oil sludge, formation of porosity of treated material, creation of conditions of penetration of oxygen into material, completion of multicomponent interaction of oil-oxidising microorganisms with structure-variable compost composition, conversion of said composition of oil sludge and oil contaminated soil into high-humus soil. Organic components introduced into oil sludge or oil contaminated soil are organic fertilisers and sunflower husks. Mineral fertiliser is added to formed mixture to boost nutrition and accelerate active propagation of soil microflora, primarily hydrocarbon-decomposing microorganisms. Method includes adding to obtained material Ca-containing additives to achieve pH of medium equal to 5.5-8.0, laying produced mass onto a substrate from sunflower husks and organic fertilisers in heaps with height of up to 4 m and width of base of up to 7 m, every 15-20 days for 1-3 months performing aeration of compost by re-laying heap. Sunflower husks make up not less than 25 % of total volume of heap. Using given method improves process of biodegradation.EFFECT: invention enables to clean oil sludge and oil contaminated soils using sunflower husks, using it to replace other vegetable organic residues, reduces consumption of scarce cattle manure, reduces consumption of materials for cleaning, reduces cost and speeds up cleaning, improves, by using sunflower husks as biological and physical agent conditions (temperature, humidity, aeration) for biodecomposition of hydrocarbons thus increasing efficiency of cleaning.1 cl

ethod cleaning oil sludge and oil contaminated soil // 2601973
FIELD: oil and gas industry.SUBSTANCE: invention relates to oil industry, specifically to improvement of ecological condition and reclamation of lands contaminated with oil products, in particular, oil sludge and soil contaminated with oil products (oily soil). Proposed method comprises selection of composition of oil sludge with water content from 0.01 to 99.9 %, adding to oil sludge organic components, formation of porosity of processed material, creation of conditions of penetration of oxygen into material, completion of multicomponent interaction of oil-oxidising microorganisms with structure-variable compost composition, conversion of said composition of oil sludge and oil contaminated soil into high-humus soil. In oil slime organic components added are plant residues, which can be milled above-ground part weeds and crops, straw, chaff, husks, straw manure, peat, spent compost of champignons, active sludge of treatment facilities of industrial enterprises, in which prior to adding to oil sludge or oily soil glauconite or compound mineral-organic granular fertiliser is added based on glauconite in amount of 0.8-1.0 kg per 1 ton of plant residues to boost nourishment and speed up active propagation of soil microflora, primarily hydrocarbon-decomposing microorganisms, closing volume weight of processed oil sludge or oily soil by adding said plant residues in ratio of 1:1, to achieve acidity (pH) of medium less than 8.0, method includes adding to obtained material phosphogypsum in a volume defined by relationship: , where Vf, Vs respectively denote volume of phosphogypsum and oil sludge, m3; ρf, ρs respectively denote density of phosphogypsum and oil sludge, kg/m3; pHf, pHs respectively denote acidity of phosphogypsum and oil sludge. Then produced mass is laid in piles with height up to 4 m and width of base of up to 7 m, in which is placed in staggered order every 1-1.5 m in horizontal and vertical planes perforated pipes, intended for removal of carbon dioxide, released during biodegradation of hydrocarbons.EFFECT: use of present invention reduces cost of cleaning oil sludge and soil purification from oil contaminated soil.1 cl, 1 dwg
ethod of decontaminating soil from heptyl // 2601568
FIELD: ecology.SUBSTANCE: invention relates to methods of mineralising toxic organic compounds directly at contamination site. Method of decontaminating soil from heptyl includes simultaneous exposure of soil to an electron beam with dose 20 kGy and mechanical acoustic oscillations of 10 W.EFFECT: proposed invention provides high rate of decontaminating soil.1 cl, 3 ex

Composition of bacterial strains, mixture for bioremediation and using said composition for removal of contaminants from soil, as well as method of soil cleaning from contaminants // 2601155
FIELD: biotechnology.SUBSTANCE: group of inventions can be used for soil cleaning from contaminants. Composition of 11 bacteria strains capable to metabolize aromatic nitro compounds and resistant to antibiotics and heavy metals is proposed. Composition is deposited in Collection of Industrial Microorganisms IAFB - of Institute of agricultural and food biotechnology in Warsaw No. KPP 2041p. Method of soil treatment using vaccine containing composition of strains is proposed.EFFECT: group of inventions provides effective bioremediation of soil, contaminated with aromatic nitro compounds, heavy metals and antibiotics.24 cl, 1 dwg, 12 tbl, 4 ex

ethod and apparatus for recycling solid household wastes at landfills // 2601062
FIELD: processing and recycling of wastes.SUBSTANCE: method of recycling of solid household wastes at landfills involves loading wastes into plant, biodecomposition with formation of gaseous and solid products, neutralisation, cooling and accumulation of processing products, prior to loading method comprises radiation control of weight of solid domestic wastes, recycling solid domestic wastes, which is carried out in two steps, at first step solid domestic wastes are subjected to aerobic and anaerobic treatment to produce biogas, that is supplied for thermal and electric power generation. Second step involves thermal decomposition, wherein untreated part of wastes undergoes intense drying, and then pyrolysis, result of which is pyrolysis gas, which after cooling and cleaning is fed for thermal and electric power generation. Obtained as a result of pyrolysis pyrocarbonate is used in treatment of filtrate, which is released during biodecomposition. Other neutralised in installation solid fractions of wastes after cooling are delivered for burial. Apparatus for recycling solid domestic wastes at landfills comprises an elongated chamber for processing solid domestic wastes, which is inclined at slope of natural elevation of a specific area, in upper part of which there is an access path for filling solid domestic wastes into chamber via a hatch. In lower part of chamber there is a gate for dumping processed and neutralised mass of solid domestic wastes. Chamber consists of serially arranged zones of biodecomposition, thermal decomposition, which includes a pyrolysis section, zones for cooling and accumulation of processing products. Biodecomposition zone comprises two sections - section for aerobic and anaerobic treatment, in which there is a multifunctional structure, which is a blade for mixing moving mass of solid domestic wastes, collection and discharge of biogas, introduction of water and correcting solutions and device for collection and discharge of filtrate. On side wall of chamber there are hatches for sampling, zone of thermal decomposition additionally includes a section of drying and heating processed mass of solid domestic wastes and gas-stop chamber to prevent ingress of air from below into pyrolysis section. Outside on side surface there are stairs/elevator for servicing apparatus.EFFECT: use of present group of inventions provides comprehensive continuous and accelerated processing of solid domestic wastes.20 cl, 6 dwg

Preparation for cleaning soil and water from oil contaminants // 2600872
FIELD: biotechnology.SUBSTANCE: invention relates to microbiology and biotechnology, specifically to technology for production of preparations for cleaning soil and water from oil contaminants. Preparation contains a solid carrier substrate and immobilised on its surface a biomass of bacteria Pseudomonas panipatensis VKPM V-10593 in concentration of 1×109 cells/cm3. Solid carrier substrate used is expanded vermiculite.EFFECT: invention reduces duration of treatment of soil and water from oil contamination in wide temperature range (from +8 to 37 °C).1 cl, 7 tbl, 2 ex

Preparation for cleaning soil from oil contaminants // 2600868
FIELD: microbiology.SUBSTANCE: invention refers to microbiology and biotechnology, particularly to technology for production of preparations for cleaning soil from oil contaminants. Preparation contains a biomass of hydrocarbon-oxidizing microorganisms Rhodococcus sp. VKM Ac-2626D and Serratia plymuthica VKM B-2819D, taken in equal proportions, immobilized on substrate surface carrier. Natural zeolite deposit Honguruu is used as a substrate-carrier.EFFECT: invention allows to accelerate the process of destruction of oil contaminants and reduce the length of recovery of soil.1 cl, 9 tbl, 2 ex

aterial for intermediate insulation of compacted layers of solid community wastes at landfill // 2600681
FIELD: environmental protection.SUBSTANCE: invention relates to environmental protection. Material for intermediate insulation of compacted layers of solid community wastes at a landfill, including industrial wastes. Industrial wastes used are terricones subjected to spontaneous ignition during storage and containing sand and crushed stone.EFFECT: technical result is provision of environmental situation within the solid communal wastes landfill with the accompanying possibility of recycling industrial wastes of coal industry.1 cl

ethod for thermal disinfection // 2599561
FIELD: processing and recycling of wastes.SUBSTANCE: method is intended for disinfection of large-capacity waste biomass, in particular excrements, decontamination of soils containing botulinus toxins, poisons tetanus, spores and seeds of weeds, decontamination and processing of dead animals, burial grounds, medical, municipal and other wastes. For thermal disinfection raw material is milled. Crushed raw material is mixed with water to create pulp with fluid consistency. Pulp is continuously fed by pump via recuperative heat exchanger in heated flow thermal chamber. Raw material is heated and held in chamber for sterilization. Pump provides pulp pressure above water vapour pressure at current temperatures in heat exchanger and chamber. Processing products are cooled in heat exchanger using heat exchange with pulp fed to processing. Pulp is fed to processing by way excluding mixing thermally processed raw material and thermally treated products. Decontaminated products are extracted from chamber through throttling valve. Valve maintains specified pressure in heat exchanger and chamber.EFFECT: invention increases efficiency of decontamination of wastes.1 cl, 1 dwg, 1 tbl

Binder mixture containing lime-containing wastes of heat power industrial complex (versions) // 2598546
FIELD: energy; disposal of wastes.SUBSTANCE: invention relates to recycling industrial wastes of heat power complex, to gardening and arrangement of urban areas. Disclosed are compositions of ground mixtures containing the following component ratio, WT% (dry): sand (16-48); peat (10-19); sludge CHP (35-59), humic supplement (humus) (7-10). Additionally, ameliorative additive can be introduced - phosphorus-containing fertiliser "Superphosphate" in amount of 1-2 % of the weight of dry components.EFFECT: recycling industrial wastes of heat power complex and high moisture retention capacity and fertility of peat-sand mixtures.2 cl, 2 dwg, 6 tbl

ethod of sludge dump location on the territory of future salt dumps // 2597237
FIELD: mining.SUBSTANCE: invention relates to mining industry and can be used at potassium enterprises during combined arrangement of salt wastes and slime dressing factories on salt dumps. Present method comprises feeding salt dumps by conveyor transport, preparation of pulp at salt dump, its forming of hydraulic fill, formation of a slurry and filled it with slime. Along the perimeter of the area intended for storage of salt dumps of the first stage, it is created a surrounding dam and rescaleburst ditch, and inside the dam, it is created a slurry of the first stage, inside of which there is a sludge storage, after filling of capacity of salt dumps of the first stage it is performed gradual hydraulic fill of salt dumps on a territory of a slurry of the first stage, upon that during storage of salt dumps on the territory of a slurry of the first stage it is done the area preparation and creating of dam slurry of second stage, then the process is repeated on the required number of queues of salt dumps and slurry development.EFFECT: avoiding the need of creating constant sludge, as well as reduction of areas that are meant to storages of waste of potash doings.3 cl, 2 dwg

ethod of reclamation of soils contaminated with heavy metals // 2597172
FIELD: agriculture.SUBSTANCE: invention relates to reclamation of soils and can be used in recultivation of lands contaminated with heavy metals. Method involves introduction to the surface soil of ameliorant, mixing it with meliorated soil layer and growing of crops with observance of zonal farming techniques. Period of introducing ameliorants is August-September, and depth of ameliorant delivery is 10-12 cm followed with dump plowing at depth of 25-30 cm. Chalky flour, phosphorite, superphosphate, sodium sulphide, lowland peat in optimal doses are used as ameliorants.EFFECT: method allows to reduce the mobility of heavy metals (lead and cadmium) in soil by 20-60 % and content thereof in plant cultivation products below maximum allowable concentration level, additionally increased soil fertility and crop yield.6 cl, 4 tbl

ethod of decontaminating waste drilling mud and soil contaminated with oil products // 2596781
FIELD: oil industry.SUBSTANCE: invention relates to methods for rehabilitation of lands contaminated by oil products. Waste drilling mud is excavated from earth storages onto a flat surface and dried at the sun. Mixture of phosphogypsum and glauconite is introduced for binding heavy metal salts in hardly soluble forms and thickening the mud and sorption of heavy metal salts. Mass is dried in natural conditions till the moisture content of 8-14 % and reduction of its volume 6-8 times. Mixture is stirred by a bulldozer equipped with a milling-rotary working element, with subsequent placement and sealing in storages, the bottom of which is covered with the glauconite layer of 20-30 cm thick. Then it is covered with a 20-30 cm thick glauconite layer and with a mineral soil layer with a thickness of not less than 0.5-1.0 m. Over it a fertile layer is put with the thickness of 20-40 cm enriched with glauconite. Storages are made on any types of soil with deposition of ground waters of not less than 8-10 m and at the underlayer thickness from 15-20 m and more.EFFECT: provided is reduced content of heavy metal salts and oil products in waste drilling mud and oil-contaminated soil with simultaneous simplification of decontaminating technology.1 cl, 1 dwg
Substance for cleaning soil and solid surfaces from oil, including from oil and oil products, and method for use thereof (versions) // 2596751
FIELD: chemistry.SUBSTANCE: group of inventions relates to organic chemistry and can be used for cleaning soil from oil, including from oil, masout, hydrocarbons, liquid fuel, as well as for treatment and collection of oil, oil, masout, fuel, hydrocarbons and other oil products from solid surfaces, for example, from inner surfaces of tanks for storage of oil or oil products, equipment used during production, processing, transportation of oil, equipment used for production of oil products, drilling mud, gravel and sand at storage facilities or other solid surfaces. Substance for cleaning soil and solid surfaces from oil is an aqueous solution of natural polysaccharide and surfactant. Natural polysaccharide used is microgels of polysaccharides of molecular weight from 20,000 to 200,000 Da and particle size from 50 to 600 nm. Total concentration of microgels of polysaccharides and surfactant in aqueous solution is not less than 0.2 g/l, and ratio of microgels of polysaccharides to surfactant ranges from 10:1 to 1:10.EFFECT: group of inventions provides high efficiency of cleaning solid surfaces or soil from oil, reduced specific consumption of reagents with simultaneous increase of environmental safety of cleaning solid surfaces or soil from oil and enabling recycling of oil removed from soil and solid surfaces, as well as surfactants.12 cl, 4 ex
ethod of cleaning oil sludge and soil contaminated with petroleum products // 2596684
FIELD: oil industry.SUBSTANCE: method of cleaning oil sludge and soil contaminated with petroleum products involves successively adding to soil a component which consists of three parts: schungite powder, salts of humic acids and native soil bacteria. Sequence of addition is divided into three stages: first stage includes adding into soil 100 % of entire weight of schungite powder, watering and ploughing treated area, and salts of humic acids and native soil bacteria is divided into three parts. First part is added on day of adding schungite powder or next day, and remaining two parts are added every five to ten days, while watering and ploughing treated area every two days. After first addition of salts of humic acids and native soil bacteria treated area is repeatedly watered and ploughed.EFFECT: method significantly lowers cost of process of treating oil sludge and soil contaminated with oil products, taking it to a new level of quality.1 cl
ethod of erecting impervious screen of ground pit-accumulator of drilling wastes // 2595740
FIELD: construction.SUBSTANCE: invention relates to methods of controlling filtration of contaminated effluents from earth pits - accumulators of drilling wastes from oil and gas wells. Method involves preparation of soil foundation, covering bottom and side walls of ground pit-drilling waste storage unit with straightening underlying layer, followed by placing of polyethylene film on underlying layer. Underlying layer is made by overlapped laying of empty paper bags from Portland cement, clay powder and other dry chemicals used in construction of well. Adjacent edges of overlapping laid empty paper bags are fixed with adhesive tape "Scotch".EFFECT: reducing labour intensity and cost of construction of underlayer film impervious screen of ground pit-accumulator of drilling wastes of oil and gas wells with simultaneous recycling of industrial wastes in form of empty paper bags, accumulated in large amount on territory of drilling platform.1 cl, 1 ex

ethod for disposal of drilling mud // 2595172
FIELD: processing and recycling of waste.SUBSTANCE: invention relates to methods of recycling and reclamation of drilling mud based on use of production wastes (magnesium) in combination with complex using of biological preparations and can be used in oil industry for disposal of drilling mud. Carnallite magnesium, oil decomposing bacteria and “Rhizotorphin” preparation are introduced in drilling mud and mixed. Obtained soil can be used for reclamation of industrially disturbed lands, with further cultivation of legumes and cereals-restoring vegetation.EFFECT: favourable physical and chemical properties of spent solution are created, pH is reduced, structure of obtained soil is improved.1 cl, 2 tbl

ethod of cleaning soil and artificial soil contaminated with amino- and nitro-aromatic compounds // 2595149
FIELD: treatment plants.SUBSTANCE: invention relates to method of cleaning soil and artificial soil. Introduction of reagent and mineral fertilisers into soil and/or ground is carried out with subsequent moistening. Reagent is active ooze from aeration tanks of industrial waste water treatment facilities neutralised of pathogenic microflora. Biocoenosis of active sludge is adapted to amino- and nitro-aromatic compounds. Ooze is introduced in a dry or suspended form in amount of 500-2,000 mg/kg of dry substance of soil and/or ground containing amino- and nitro-aromatic compounds to 1,000 mg/kg. After application of ooze and fertilizers site is ploughed. Soil and/or ground is held for one vegetation period at temperature not below +10 °C with moisture content of soil and/or ground of not less than 65 % and aeration by intermittent tillage.EFFECT: almost complete decomposition of toxic compounds in one vegetation period and possibility of using resources of waste water.1 cl, 2 tbl

ethod for cleaning and reclamation of soil contaminated with oil and oil products // 2594995
FIELD: biotechnology.SUBSTANCE: invention relates to a method of cleaning soil from oil and oil products. Proposed method for cleaning and reclamation of soil, contaminated with oil and oil products, includes introduction into soil a sorbent, biopreparation and earthworms, wherein sorbent used is an organic-mineral sorbent with total pore volume not less than 2.0 cm3/g, average pore radius 200-2,000 nm, impregnation thereof with 0.5-1 % aqueous solution of biopreparation, introduction into soil in amount of 0.1-0.2 kg per 1 kg of soil, holding for at least three weeks, then introducing compost worms E. Fetida in an amount of not less than 10 individuals per 1 kg of soil and holding for 20 weeks at temperature not below 5 °C, for soil moisture of not less than 60 %.EFFECT: efficient cleaning of soil contaminated with oil and oil products in amount of up to 80 g/kg of soil.1 cl, 1 tbl, 10 ex

ethod of phytobioremediation of soils contaminated by irregular application of liquid manure // 2594879
FIELD: environmental protection.SUBSTANCE: invention can be used to recover over-manured soils contaminated by irregular application of liquid manure with ultrahigh doses of nitrogen N300-900 in areas of industrial livestock enterprises operation. Method of phytobioremediation of soils involves cultivation of red amaranth, seeds of which are treated before sowing with Agat-25K biological product using semidry method at the ratio of 5 g of Agat-25K biological product with the content of 1.5-3.0×1011 of H16 Pseudomonas aureofaciens bacteria for 1 kg of amaranth seeds. Herewith the soil is treated: ploughed to the depth of 20-25 cm, cultivated to the depth of 10-12 cm, made tillage, harrowed, rolled and sowed with seeds with subsequent managing and gathering of green mass of amaranth. Sowing of seeds is carried out within the period of soil heating up to 10 °C with the seeding rate of 200 g of seeds for 1 hectare.EFFECT: invention ensures effective detoxification of soils during one vegetation period.1 cl, 3 ex, 4 tbl

ethod for forming slope of salt dump in combined storage of wastes in enrichment factories of potash plants // 2594498
FIELD: mining.SUBSTANCE: invention relates to mining industry and can be applied at potash enterprises during combined arrangement of salt wastes and sludge from enrichment factories to salt dump. Method involves creation of inner and outer bund of salt wastes, and creation of capacities on salt dump for arrangement of slime. Inner and outer sides of salt dump are formed in sections with distance between them necessary for erection of outer bund, wherein at section to inner side, inwash of salt wastes with addition of slime into pulp is performed, and from inwashed mass, inner bund is performed, at angle not less than natural slope angle of salt wastes with addition of sludge, and at section between inner and outer bunds inwash of salt wastes is performed, without slime or with reduced content of slime in pulp, and from inwashed mass, outer bund is performed, at external angle of not less than natural slope angle of salt wastes without addition of sludge.EFFECT: technical result is maintaining angle of salt dump slope in combined storage of salt wastes and sludge, which enables to preserve its capacity.3 cl, 2 dwg

Device for cleaning subsoil and soil from oil and oil products // 2593386
FIELD: ecology. SUBSTANCE: invention relates to environmental protection and can be used for recultivation of oil and oil products contaminated subsoil and soil. Receiving container for mixing is equipped with a sludge pump-mixer and centrifugal sludge pump of the receiving container equipped with receiving basket for protection against major inclusions. EFFECT: required technical result consisting in higher quality of cleaning, simplified operation process, decreased process fluid losses and increased mobility of equipment, is obtained in the device which comprises the receiving container for mixing coming contaminated subsoil and soil by heated water and producing liquefied mass, ejector-hydraulic mixer made to mix liquefied mass with hot water in turbulent conditions and equipped with inlet centrifugal sludge pump, outlet centrifugal sludge pump, hydraulic cyclone, which is configured to split the liquefied mass into solid and liquid phases, multifunctional container for separation of fluid into water and oil products, and vibratory sieve to withdraw fluid residues from solid phase and solid phase separation. 8 cl, 1 dwg

ethod of processing wastes // 2592891
FIELD: processing and recycling of waste. SUBSTANCE: present invention relates to method of processing wastes containing one or more dangerous organic components, which includes treatment of wastes by plasma in apparatus for plasma treatment. Wastes contain: (i) soil and/or material and (ii) oil component. Prior to plasma waste treatment latter contain one or more dangerous organic components and from 5 to 50 % of water by weight of wastes. EFFECT: using this invention simplifies process of waste treatment. 18 cl, 3 dwg, 12 tbl

ethod of producing heat and electric energy by complex processing of wastes // 2590536
FIELD: energy.SUBSTANCE: biowastes are fed into sorting unit 10, where they are divided depending on possibility of anaerobic decomposition. Prepared organic substrate is directed into anaerobic fermentation 6 plant, where combustible biogas and by-products are generated, directed to consumers in form of organic fertilizer. Wastes, which are not subjected to anaerobic decomposition, are subjected to dehydration and (or) drying and granulation. Produced pellets are supplied to store 13, from which are supplied to gas generator 8, in which synthesis gas is generated. Purified biogas and synthetic gas are supplied into fuel substitution unit 2 for supply of co-generators 1, generating from them heat and electric energy to consumers. Also, for production of synthesis gas directly in gas generator 8 dry wastes are fed, which does not require preliminary preparation. During peak increase of heat energy peak solid-fuel boiler 3 is activated, in which reserves of pellets are burnt.EFFECT: higher reliability of power supply in enterprises of agroindustrial complex owing to use of independent power systems.1 cl, 1 dwg
ethod of processing distilled liquid from soda production by ammonia // 2589483
FIELD: chemistry.SUBSTANCE: invention can be used in chemical industry. Method includes treating still waste liquid from soda production, obtained after processing filter liquid calcium hydroxide. For this purpose, said still waste liquid containing solid waste-sludge is treated with hydrochloric acid or hydrogen chloride at temperature 20-100 °C. Carbon dioxide is recovered and returned to process of producing soda.EFFECT: invention enables to obtain soda without solid wastes, as well as additional amount of carbon dioxide, reducing volume and reducing alkalinity of distilled liquid discharged in sludge filler.3 cl, 4 ex

ethod of processing organic polymer wastes // 2589155
FIELD: processing and recycling wastes; chemistry.SUBSTANCE: invention relates to recycling polymer wastes via catalytic decomposition in order to produce fuel or fuel components. Method for processing organic polymer wastes involves liquefaction of milled polymers, mixing with catalyst and thermo-catalysis destruction of reaction mixture at normal atmospheric pressure, at that catalyst used is nickel (II) 2-ethylhexanoate in form of 40-45 % solution in benzene, taken in weight ratio of wastes to catalyst as 1:0.03-0.06, and liquefying wastes and thermo-catalysis destruction performed by heating reaction mass up to temperature of 300-400 °C with recycling of light hydrocarbons for 0.5-1.5 hour with further distillation of liquid hydrocarbons.EFFECT: simplification of processing technology for polymer wastes.1 cl, 2 tbl, 1 ex
ethod of drill cuttings disposal in trench reservoir // 2588644
FIELD: mining.SUBSTANCE: for the disposal of drill cuttings in a trench reservoir a trench is arranged. The lower part of the trench is created in impenetrable soil with the filtration coefficient of no more than 10-5 cm/s or an impervious screen is created on the bottom and walls of the trench in the range of placement of drill cuttings. Drill cuttings are accumulated in the trench. Liquid drilling waste is neutralised by mixing with loosened clay soil. The impervious screen is created in the trench on the surface of the clay soil mixed with liquid drilling waste. The drill cuttings are backfilled in the trench with mineral soil.EFFECT: invention improves the efficiency of burial of drill cuttings.3 cl

ethod for combustion of low-calorie fuel // 2588220
FIELD: processing and recycling of wastes.SUBSTANCE: invention relates to processing of low-calorific fuel, disposal of solid household and industrial wastes. Low-calorie fuel is gasified in pyrolysis reactor 1. Ambient air is preliminarily activated by electric discharge with specified electric field intensity in range of E/N=2·10-16-4·10-16 W·cm2 in discharge cell 2. Temperature of activated air at outlet of discharge does not exceed 550-650 K. Gaseous pyrolysis products 8 are subjected to oxygen-steam reforming in reformer 4. During reforming oxygen to gaseous pyrolysis products ratio is set equal to 0.25-0.33 by volume. Formed in process of reforming synthesis gas is burnt in chamber 5 for preparing useful heat. Part of emitted heat 13 is taken for heating of pyrolysis reactor 1 and steam generator 3.EFFECT: invention increases degree of extraction of heat from fuel, reducing emission of environmentally hazardous compounds.1 cl, 1 dwg

Remediator // 2586900
FIELD: oil industry.SUBSTANCE: invention relates to environmental protection and can be used for remediation of oil sludge, for cleaning soil or ground from oil pollution. Remediator contains organo-mineral complex - carbon carrier, nitrogen and phosphorus in a ratio of 100:1:3. Complex is a multi-dimensional cell structure with pore and channel size of 60-200 nm in form of flowable powder. Powder is produced from sewage sludge and active sludge by mechanical, ovicidal and reagent treatment. Active sludge comprises bacterial microflora.EFFECT: higher degree of purification of oil-contaminated soil by increasing activating capacity, reduced time of recovery of oil-contaminated soil, increased soil porosity and high humification of soil.1 cl, 5 dwg, 1 tbl
 
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