Device for water hydrogenation
SUBSTANCE: device for water hydrogenation contains a hydrogen generator 3, a tank 4 for the preparation of hydrogen water, a line for water supply and diversion of water to the consumer, shut-off and regulating armature. The container 4 for the preparation of hydrogenated water contains a hydrogenation catalyst and is connected through a non-return valve to the hydrogen generation unit. The hydrogen generation unit consists of a hydrogen generator 3 connected 6 to the means of maintaining hydrogen pressure and shutting off the hydrogen generator 3 when the hydrogen pressure is exceeded, and the tank 2 with desalted water. The tank 2 with desalted water is connected to the hydrogen generator 3 by a line for supplying desalted water and hydrogen supply to it.
EFFECT: invention allows to remove all oxidants from water, ensure saturation of water with hydrogen and create in it a negative oxidation-reduction potential in the absence of the possibility of creating in the water genotoxic activity.
2 cl, 2 dwg
SUBSTANCE: system comprises the primary settling tank 1 with pump station 2 and pipeline 3 of primary treated water, mixer 4 for mixing the primary treated water with reagents, filters with granular media 5, cooling tower 7, thin-layer flocculator 16 for purification of wastewater of filters, receiving reservoirs 19, pumping stations 12 and connecting pipelines. In this case, the system is equipped with the device for preparation and dispensing of reagents 22, which is connected to the pipeline 3 of primary treated water and with thin-layer flocculator 16, and the purified wash water of filters is supplied to the pipeline of primary treated water.
EFFECT: increase of efficiency of wastewater treatment of casting and rolling complex.
2 cl, 2 dwg
SUBSTANCE: water treatment plant of a combined heat and power plant includes water pre-cleaning unit I, reverse osmosis unit II, ion exchange unit III for deep water demineralisation and a unit for obtaining chemically treated make-up water IV for a heat network. The first deaerator 8 is connected to high-pressure steam boiler 9. Water pre-cleaning unit I includes in-series connected clarifier 2, coagulated water tank 3, mechanical filter 4, as well as washing solution tank 20. Reverse osmosis unit II includes reverse osmosis plant 5. Ion exchange unit III for deep water demineralisation includes in-series connected filter 6 for H-ionisation and filter 7 for OH-ionisation, as well as neutralising tank 17. Unit IV for obtaining chemically treated make-up water for the heat network includes in-series connected tank 18 for chemically cleaned water and the second deaerator 25. Clarifier 2 is connected to FeCl3 solution tank 27 and to NaOH solution tank 28.
EFFECT: invention allows reducing consumption of reagents and salt content of chemically treated water, as well as simplifying a process flow diagram.
1 dwg, 1 tbl
SUBSTANCE: method of production of bacteriologically pure cultures of marine blue-green algae provides chemical sterilisation of microalgae cultures by treatment them in the solution of sterile sea water containing 0.1% phenol and 1.0% ethyl alcohol. Microalgae are kept in sterile sea water containing phenol and ethyl alcohol in a predetermined ratio for 4-5 hrs. Irradiation with UV light is carried out for 9-10 minutes. The treatment of microalgae with antibiotics and fungicide is carried out. At that the antibiotics are used as chloromycetin and ampicillin in the amount of 50 µg/ml each, and fungicide is used as nystatin in the amount of 25 µg/ml.
EFFECT: invention enables to improve the efficiency of extraction of bacteriologically pure culture of blue-green microalgae.
1 tbl, 20 ex
SUBSTANCE: invention can be used for processing sewage waters of the production of nitroaromatic or nitrohydroxyaromatic compounds, for instance, nitrobenzene or dinitrotoluene. To realise the method two-stage processing, including a stage of preliminary reduction and a stage of wet oxidation, is carried out. At the first stage alkaline sewage water is mixed with an organic reducing agent, which does not form salts in the sewage water, selected from peat, brown coal and/or hard coal. Processing in reducing conditions is carried out with heating to a temperature from 80 to 200°C and exposure at the said temperature for the time period from 5 min to 5 hours. At the second stage the sewage water obtained at the first stage is acidified and subjected to oxidation with oxygen-containing gas, for instance oxygen.
EFFECT: method suggests a technically safe, simple and economic technology of processing and purification of sewage waters, providing the reduction of harmful admixture to the level, acceptable for the supply of processed sewage waters to biological purification.
4 cl, 5 tbl, 6 ex
FIELD: machine building.
SUBSTANCE: method includes stage of water storage in container (a); its treatment (b); activation of operations for water keeping in the container within parameters range of the water quality (c), and treated cooling water supply from the container to the industrial process (d). Water treatment (b) is performed during 7 days to restore the oxidation-reduction potential of at least 500 mV upon decontaminants injection to water. The following operations are activated 1) oxidant injection; 2) coagulant and/or flocculant injection; 3) suction of water part containing sediments, water filtering, and filtered water return to the container.
EFFECT: invention supplies the industrial process with high quality cooling water with low expenses.
9 cl, 5 dwg, 3 tbl, 2 ex
SUBSTANCE: method of obtaining water for an industrial process includes the water purification and removal of suspended in water solid particles by filtration of a small part of the total water volume, which includes: a) water collection; b) water storage; c) processing of water for 7 days by the periodical addition in it of disinfectant substances; d) activation of one and more operations (1)-(5) by means, made with a possibility of obtaining information, which relates to water quality parameters, regulated by the said means for bringing the water quality parameters in their limits: 1) introduction in water of oxidising substances; 2) introduction of coagulants, flocculants or their mixtures; 3) absorption of a part of the water, which contains precipitated particles and obtained in operations (1) and/or (2); 4) filtering the said part of the absorbed water; 5) return of the filtered water and e) application of the processed water in the process downstream of the flow.
EFFECT: invention makes it possible to provide the water purification and removal of the suspended solid substances without a necessity to filter the entire volume of the water.
11 cl, 2 dwg, 3 tbl, 6 ex
FIELD: food industry.
SUBSTANCE: invention includes a settlement chamber, a vessel for acceptance of floating fat mass, an auger enclosed within a perforated housing, and two vessels connected with the latter: one for collection of dehydrated wastes and the other -for collection of liquid. The control unit is connected to the sensors monitoring the level of wastewater and sediment in the settlement chamber and the level of liquid in the liquid collection vessel. In the lower part of the settlement chamber a brush with a drive is installed. The chamber has an opening wall connected to the drive and is equipped with horizontally oriented perforated partitions. The system is additionally equipped with a waste collection vessel, a chamber for coagulant solution preparation, a chamber for mixing water being treated with the coagulant solution and, having an automated doser and a flotator. The coagulant solution preparation chamber, the mixing chamber, the floating fat mass receptacle vessel, the flotator, the waste collection vessel and the dehydrated waste collection vessel are equipped with liquid level sensors. The settlement chamber is equipped with sediment level sensors with pressure sensors installed in the auger and in the settlement chamber. The system pipelines are equipped with water flow rate and pH sensors. All the sensors are connected to the control unit.
EFFECT: high quality of preliminary treatment of wastewaters and automation.
SUBSTANCE: method of treating natural water includes oxidation, neutralisation and two-step filtration. Oxidation with simultaneous transfer of impurities into a dissolved state is carried out with carbonic acid solution obtained from saturating raw water with carbon dioxide. Neutralisation of the formed compounds is carried out with calcium hydroxide solution with concentration of 1-1.3 g/l, followed by removal of the precipitate first in a settling tank and on a filter with a neutral charge, and then on a filter with a weakly basic charge.
EFFECT: invention enables to remove iron and manganese compounds, bicarbonates of alkali-earth metals, silicic acid and salts thereof and organic impurities from water, simplifies the water treatment technique and lowers the content of impurities to values which do not exceed the maximum allowable concentration.
3 cl, 1 dwg, 1 tbl
FIELD: process engineering.
SUBSTANCE: invention relates to treatment of contaminated water. This method comprises bringing of water in contact with at least one adsorbent powder in zone (2) of preliminary interaction with mixing. Then, follow flocculation with weighted flakes and deposition. Mix of sediment, ballast and adsorbent powder is removed from sedimentation zone bottom (5). Said mix is fed into hydraulic cyclone (11) to displace hydrocyclone (11) top product containing the mix of sediment and adsorbent powder into transition zone (14). Mix of sediment and adsorbent powder are returned from transition zone (14) to zone (2) of preliminary interaction. Process incorporates the step whereat at least one index of adsorbent powder in preliminary interaction zone (2) is obtained. Suspension of green adsorbent powder in water is fed upstream of zone (2) when concentration of said powder in this zone is lower than preset threshold value and the step of acidification of said sorbent.
EFFECT: production of water suitable for drinking.
14 cl, 1 dwg, 1 ex
SUBSTANCE: invention relates to technologies of purification of water from natural springs for their further application as initial water for obtaining vapour in processes of steam or vapour-oxygen conversion of hydrocarbon gases (synthesis-gas production). Installation for preparation of desalinated water contains successively connected heat exchanger for heating initial water, unit of preliminary clarification, unit of ultrafiltration, unit of ultraviolet decontamination, unit of filters with filtration degree not more than 5 mcm and unit of two-step reverse osmosis.
EFFECT: invention ensures increase of service term of ultrafiltration and reverse osmosis membranes, water decontamination.
5 cl, 1 dwg
SUBSTANCE: claimed is method and deammonifying installation for purification of ammonium-containing sewage waters. Deammonifying installation for purification of ammonium-containing sewage waters contains aeration tank and hydrocyclone for separation of sludge from aeration tank into relatively heavy fraction, which includes bacteria, performing anaerobic ammonium oxidation, and relatively light fraction. Hydrocyclone contain input, connected with aeration tank, for return of separated relatively heavy fraction into aeration tank and upper output, connected with aeration tank, for discharge of separated relatively light fraction from hydrocyclone. Hydrocyclone contains cylindrical segment and conic segment. Surface of internal walls of conic segment is rough on certain parts. Rough surface of internal walls of conic segment has higher degree of roughness than surface of internal walls of cylindrical segment. Method of purification of ammonium-containing sewage waters is realised in deammonifying installation.
EFFECT: simplification of ammonium and nitrite conversion into elementary nitrogen.
33 cl, 3 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to ecology and environmental protection. For cleaning filtering system is erected and used on soil slope surfaces. Filtering system is composed of the slope soil top layer processed with aqueous solution of polyelectrolyte complex. The latter comprises the mix of hydrolysed polyarcylonitrile and polyethylene polyamine at the ratio of 1:3.5-1:4.5, wt %. Processed soil sorption capacity saturated, said soil is removed and disposed or recovered.
EFFECT: simplified cleaning, higher erosion resistance of run-off surfaces.
SUBSTANCE: invention relates to chemical industry. Mixed coagulant from mineral raw material is obtained by dissolution of boehmite-kaolinite bauxide in autoclave with hydrochloric acid with concentration 220 g/l with ratio S:L=1:6 for 1-3 hours in interval of temperatures 150-180°C.
EFFECT: invention makes it possible to increase coagulation ability of mixed coagulant - hydrooxichloride of aluminium and iron with concentration by Al2O3 2,32-6,87 and by Fe2O3 0,94-1,02 wt %, in water purification: by turbidity and colour.
2 dwg, 6 tbl
FIELD: power industry.
SUBSTANCE: vacuum deaerator contains a branch pipe for supply of chemically purified deaerated water to the distributing header, the first jet plate fitted with a finned overflow edge and a punched steam discharge sheet, the second jet plate having a finned overflow edge and a punched steam discharge sheet. Fins of overflow edges of the first and second jet plates are made rectangular at an angle 30-60° to vertical line with inclination towards drain from overflow edges of flows of the deaerated water, the cross-flow plate with cross-flow and overflow edges, three punched pipelines for supply of heating water to the cross-flow plate, the bubbling sheet with overflow edge, the punched pipeline for supply of heating water under the bubbling sheet, at least, two pipelines for discharge of non-evaporated heating water to the inlet of the bubbling sheet, the partition blocking discharge of non-evaporated heating water into the flow of deaerated water drained from the bubbling sheet, passing through the bubbling sheet at least two L-shaped boxes of heating vapour cross-flow, installed evenly along the deaerator housing in the space between the overflow edge of the bubbling sheet and the punched pipeline for supply of heating water under the bubbling sheet, at least one branch pipe for discharge of vented steam and one branch pipe for discharge of deaerated water.
EFFECT: increase of overall performance of the vacuum deaerator.
FIELD: testing equipment.
SUBSTANCE: invention relates to technology of pressure test of electro-hydraulic-mechanical systems and can be used for degassing the working fluid in technical devices using in their constructive solutions the flowing hydraulic tanks of open type. The method comprises degassing the working fluid on the grid in the flowing hydraulic tanks, imparting the grid of low-frequency transverse vibration, and at the inlet of the grid by bubbling the gas liquid layer is created with a high-frequency pulsating low-intensity pressure. The flowing hydraulic tank of open type (1) comprises a lid (2), partitions (3, 4), a grid (5), the pipes of discharge (6) and intake (15) of the working fluid, a drain (7), intermediate (18), intake (14) cavities and involves the installation of a grid (5) on the elastic supports (8). Below the grid (5) on the side of the flow outlet into the cavity (18) a pneumatic dynamic vibrator (9) is mounted with the modulated phase of gas oscillation, the outlet nozzle (10) of which is mounted on the grid (5).
EFFECT: invention provides increased efficiency of degassing fluid, the degassing process intensification, which enables to improve and expand the indices of quality of electro-hydraulic-mechanical systems and their components.
2 cl, 1 dwg
SUBSTANCE: invention relates to a polymer obtained via condensation polymerisation. The polymer is obtained from at least two monomers: acrylic monomer and alkylamine. Said polymer is modified such that it contains a dithiocarbamate salt group capable of cleaning one or more compositions containing one or more metals. The polymer has molecular weight of 500-200000.
EFFECT: obtaining polymers for various media as means of purification from metals, including waste water systems.
13 cl, 5 ex, 1 dwg
SUBSTANCE: inventions relate to production of desalinated water and can be used for obtaining drinking water from sea and salt waters. Extraction of water from saline solution is carried out with application of selective solvent, containing carboxylic acid, which has carbon chain from 6 to 13 carbon atoms long. In order to realise the method saline solution emulsion in selective solvent is prepared, selective solvent is heated before and after contact with saline solution to obtain first phase, which includes selective solvent and water from saline solution, dissolved in selective solvent, and second phase, including highly-concentrated remaining part of saline solution. After that, first phase is separated from second phase, first phase, including selective solvent and dissolved water, is extracted from highly-concentrated remaining part of saline solution or highly-concentrated remaining part is extracted from saline solution from first phase. First phase is cooled after extraction to precipitate water from selective solvent and precipitated water is removed from selective solvent.
EFFECT: invention provides obtaining almost pure fresh water.
19 cl, 15 dwg, 2 ex
FIELD: process engineering.
SUBSTANCE: invention can be used for desalting of sea, hard and/or contaminated water by direct osmosis desalting. To this end, contaminated feed solution with water at first osmosis pressure is forced through semi-permeable diaphragm to discharge side that has the flow of carrier solution with second osmosis pressure on discharge side of semi-permeable diaphragm. Diluted discharge solution is heated to agglomerate discharged diluted substance to two-phase flow containing liquid phase of agglomerated dissolved substance and liquid water phase. Then, agglomerated dissolved substance is separated to get enriched flow to be cooled to obtain cooled single-phase water-rich flow to be subjected to removal of residual dissolved substance to produce purified water.
EFFECT: higher quality and desalting and purification.
23 cl, 4 dwg, 2 tbl
SUBSTANCE: method of purification of phenol-containing sewage waters of alkali-hydrolysis processing of rice husk includes preliminary desiliconisation of phenol-containing sewage waters by their processing with hydrochloric acid with precipitation of solid and separation from solution of silicon-containing product and electrochemical oxidation in presence of chloride ions in electrolytic cell with application of direct current. Process of electrochemical oxidation is carried out with concentration of chloride ions 0.10-0.11 mol/l in non-diaphragm electrolytic cell with application of ruthenium-titanium oxide anode and titanium cathode for 70-90 min with current density 100-150 mA/cm2 with constant mixing. Required concentration of chloride ions is provided by dilution with water of phenol-containing sewage waters after their desiliconisation.
EFFECT: invention makes it possible to increase degree of purification of polydisperse concentrated phenol-containing sewage waters of alkali-hydrolysis processing of rice husk from phenol and other organic pollutants.
3 cl, 1 tbl, 2 ex
SUBSTANCE: device comprises a flotation device, a frame, a hydraulic drive. On the frame the longitudinal rods are pivotally mounted, and on their cantilever portion the linkage for attachment of the drum is mounted with the ability of movement in a vertical plane. The drum is mounted with the ability of replacement of the drum holder, at that the drum is rotated by the hydraulic motor through the belt drive in the direction opposite of the flotation device movement.
EFFECT: improvement of quality of the implementation of the technological process of cleaning the water reservoirs from blue-green algae and reduction of energy intensity.
SUBSTANCE: invention relates to method of reforming with application of catalyst. Described is method of reforming hydrocarbons with water vapour, including contact of supplied gas in reactor of catalytic partial oxidation or installation for autothermal reforming. Reactor operates at temperature 800-1600°C and pressure of 20-100 bar. Egg shell type catalyst, consisting of active compound in form of alloy of nickel and one metal from iridium and ruthenium, on supporter, containing aluminium oxide, zirconium dioxide, magnesium oxide, titanium dioxide or their combinations. Catalyst has cylindrical shape and has one or several through holes, where distance from centre to external catalyst surface constitutes from 10 to 40 mm, catalyst height constitutes from 10 to 40 mm, with diameter of one or several through holes constituting from 3 to 30 mm. At least 90 wt % of iridium or ruthenium in catalyst are located in external envelope which has depth up to 10% of external catalyst surface or to 10% of periphery of one or several through holes of catalyst.
EFFECT: realisation of method of catalytic partial oxidation or autothermal reforming at reduced drop of pressure in catalyst layer without reduction of catalyst activity.
12 cl, 5 dwg, 2 tbl, 5 ex