Method of producing compound organomineral fertiliser based on natural aluminosilicates

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture. Method of producing compound organomineral fertiliser based on natural aluminosilicates comprises simultaneous mixing and grinding of organic and mineral components, wherein grinding of aluminosilicate raw material and phosphogypsum is performed to achieve particle size less than 30 mcm, and then further mixing with biohumus. All components are taken at a certain ratio.

EFFECT: invention increases efficiency of agrochemical fertiliser, provides a positive effect on crop yield, reduces costs in production of fertiliser.

1 cl, 1 ex

 



 

Same patents:

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. Peat-zeolite fertiliser with prolonged effect, modified with potassium iodide, includes valley peat and natural zeolite, modified with potassium iodide KI, in ratio 2.3:1-3.4:2, with natural zeolite, milled to grain size 0.5-0.7 mm, being saturated from 0.02-0.04% potassium iodide solution for 14-16 h with ratio of weight of natural zeolite and potassium iodide solution 1:7-1:13.

EFFECT: invention makes it possible to increase bioproductivity of poor soils and productivity of crops.

3 ex

FIELD: chemistry.

SUBSTANCE: method of producing compound fertiliser includes neutralising a mixture containing P2O5 and CaSO4, granulating and drying the end product, wherein the ratio of P2O5 and CaSO4 with respect to CaO is equal to 1:(0.25-0.65), respectively; the mixture is fed for neutralisation in an amount which provides sulphur content in the end product of 3-8%; neutralisation is carried out with calcium carbonate to pH 2.8-3.1, and nitrogen- and potassium-containing components are added during the process.

EFFECT: invention widens the range of fertilisers which contain not only nitrogen, phosphorus and potassium, but also vital elements such as sulphur and calcium, and enables to use the fertiliser on any soil and for various types of crops.

6 cl, 6 ex

FIELD: agriculture.

SUBSTANCE: preparation for land reclamation, contaminated with arsenic, contains a mixture of humic acids, modified with 5% solution of lime milk, in a ratio of mixture of humic acids to 5% solution of lime milk as 6:4-8:2. The preparation formula for land reclamation, contaminated with arsenic, contains organic components and water, and it additionally contains lime, and as the organic component it comprises a mixture of humic acids of the preparation "Humate 80" with a chemical composition based on the dry wt %: water-soluble sodium and potassium humates - 87%, other water-soluble compounds - 6.3%, insoluble residue - 6.7%.

EFFECT: inventions enable to improve significantly the fertility of soils contaminated with arsenic, with simultaneous reduction of their toxicity by providing binding of arsenic in its both metallic and non-metallic forms into hardly soluble compounds.

2 cl, 2 dwg, 1 tbl

FIELD: agriculture.

SUBSTANCE: method of production of complex fertiliser comprises neutralising the phosphoric acid and nitric acid with ammonia, followed by mixing with potassium chloride, final ammoniation and granulation in the granulator-ammonisator, and drying the finished product, and neutralisation with ammonia is carried out by mixtures of nitric and phosphoric acids, when added the pulp of magnesium-containing compounds in phosphoric acid, and the ratio of H3PO4:HNO3:MgO is maintained as 1:(0.5-6):(0.025-0.055), and neutralisation is carried out to obtain the pulp with the molar ratio of NH3 to H3PO4, equal to 1.3-1.5, and humidity of 6-8%.

EFFECT: invention enables to create a technology of production of complex wide range fertilisers, with improved physical and chemical properties.

2 cl, 5 ex

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. A compound microfertiliser comprising boric acid, ammonium molybdate and potassium or sodium metasilicate, further includes, as an organic component which acts as a complexing agent, fullerenol obtained by direct catalytic oxidation of C60 fullerene with an alkali, having the formula C60(OH)n1On2, where n1+n2=12-34, as well as calcium nitrate quadhydrate, potassium nitrate, potassium chloride, mono-substituted potassium phosphate, magnesium sulphate heptahydrate. All components are taken in a defined ratio. The method of producing the compound microfertiliser includes preparing a working solution by dissolving and mixing in tap water inorganic salts of macroelements and trace elements in the following sequence: calcium nitrate quadhydrate, potassium nitrate, potassium chloride, mono-substituted potassium phosphate, magnesium sulphate heptahydrate, potassium or sodium metasilicate, boric acid, ammonium molybdate to obtain a solution of macroelements and trace elements and adding aqueous fullerenol solution of the formula C60(OH)n1On2, where n1+n2=12-34, wherein pH of the working solution is 5.5-6.0.

EFFECT: invention enables to produce a compound water-soluble microfertiliser with growth-stimulating, phytoprotection and adaptogenic properties.

2 cl, 13 tbl

FIELD: agriculture.

SUBSTANCE: method of production of compound nitrogen-phosphorus fertiliser comprises neutralising with ammonia of nitric acid with addition of phosphoric acid, and the solution of nitric acid and phosphorous are fed to the autoclave and then oxygen at a pressure of 0.5-0.6 MPa, and the resulting solution is neutralised with ammonia and sulphate aluminium is added.

EFFECT: invention enables to improve the economic efficiency of the process of production of compound nitrogen-phosphorus fertiliser.

1 ex

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. A method of producing compositions of highly concentrated liquid compound fertilisers is based on obtaining experimental data and constructing an (n+1)-corner diagram, the vertices of which correspond to fertiliser components (n) and water, wherein selection of components and optimisation of compositions is carried out based on the obtained experimental data on phase equilibria in multicomponent systems containing starting components: inorganic salts, inorganic acids, carbamide and water, constructing phase diagrams, setting the ratio of nutrients N, P2O5 and K2O and determining the ratio and maximum concentration of components in the liquid compound fertiliser from the diagrams.

EFFECT: invention enables to determine the optimum composition of a liquid compound fertiliser based on given ratios N:P2O5:K2O or determine the maximum possible concentration of components of a liquid compound fertiliser, while maintaining stability of the composition during storage.

6 dwg, 1 tbl, 3 ex

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agriculture. The method comprises foliar treatment with microfertiliser in the tillering phase to increase yield in a dose of 2.0 kg/ha per 250 litres of water. The treatment is carried out on the background of feeding with N40P30K20 and early spring feeding with ammonium nitrate - N40. To improve the quality of grains the single foliar treatment is carried out in a phase of tillering in a dose not exceeding 1.0 kg/ha. The microfertiliser is used as complex microfertiliser containing succinic and citric acid, potassium hydroxide, lithium chloride, boric acid, salts of trace elements in the form of sulfates or chlorides, or nitrates of manganese, zinc, cobalt, copper in the following ratio, wt %: succinic acid 8-10, citric acid 15-17, potassium hydroxide 17-18, boric acid, 5.5-5.7, lithium chloride 0.19-0.21, water - the rest, at that the sulfates or chlorides, or nitrates of manganese, zinc, cobalt and copper are taken in the recount in the final product based on manganese 1.5-1.7, zinc 1.2-1.4, cobalt 0.2-0.4 and copper 0.5-0.7.

EFFECT: method enables to increase the yield and quality of winter wheat food grain.

1 tbl, 2 ex

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. The silicon-containing compound fertiliser contains a silicon component in form of ash of rice plant residues - husks, containing 88-99% silicon oxide SiO2, nitrogen, potassium, phosphorus and minor nutrients in the following ratios in wt %, respectively: 0.20-0.44; 0.90-2.80; 0.12-0.60 and 0.05-5.0; the minor nutrients are zinc, manganese, iron, calcium, magnesium, titanium and aluminium salts.

EFFECT: invention enables to obtain an organomineral fertiliser with high content of an organic silicon component, which ensures high degree of phosphorus assimilation by plants, ensures considerably high yield of the fertilised crops, reduces the environmental load on the soil and natural water.

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. Concentrated liquid mineral composition, containing the following components is applied for spraying leaves: total ammonia nitrogen (%) 0.08-2%, potassium, expressed as K2O (%) 3-6%, magnesium, expressed as MgO (%) 0.4-0.8%, sodium, expressed as Na2O (%) 1-2%, calcium, expressed as CaO (%) 0-0.5%, total phosphates, expressed as SO3 (%) 3-6%, total phosphorus, expressed as P2O5 (%) 0%, chlorides Cl (%) 1-2%, bicarbonates (in % HCO3) 1.2-3.0%, boron (%) 0.1-0.2%, copper (%) 0.018-0.03%, manganese (%) 0.00005-0.006%, iodine (%) 0.02-0.04%, zinc (%) 0.00005-0.006%, iron 0.0002-0.003, water to 100%. Percent content is expressed in weight percent relative to the total composition weight.

EFFECT: invention makes it possible to improve adaptive response of plants to change of the environmental conditions.

9 cl, 5 dwg, 1 tbl, 6 ex

FIELD: agriculture, in particular, mineral fertilizer utilization processes.

SUBSTANCE: method involves introducing into soil phosphate flour in an amount sufficient for obtaining of estimated yield, with phosphate flour being preliminarily mixed with carbamide and phosphogypsum; spreading resulted mixture over soil surface and embedding with the use of cultivators, disk harrows or surface plows. Method allows phosphate flour to be used as fertilizer on soil with neutral or close to neutral acidity.

EFFECT: increased efficiency in utilizing of phosphate flour on acid soil.

1 ex

FIELD: fertilizers.

SUBSTANCE: invention relates to producing organomineral fertilizers with using domestic sewage waters. Method involves mixing sewage waters with solution containing fulvic acids isolated from turf. Prepared suspension is heated to 40-55°C, activated in magnetic field and suspension is separated by centrifugation. Isolated solid phase is mixed with gel-like deposit containing humic acids isolated from turf and obtained product is treated with calcium hydroxide solution and subjected for aeration. Method provides enhancing quality of fertilizer due to reducing content of heavy metals in product.

EFFECT: improved method for preparing.

5 cl, 2 tbl, 1 ex

FIELD: chemical industry; production of fertilizers.

SUBSTANCE: the invention is pertaining to the field of chemical industry, to production of fertilizers, namely to the methods of production of granular fertilizers, and in particular, to nitrogenous and complex fertilizers, and may be used at production of the granular fertilizers with the improved properties. The method of treatment of granular fertilizers provides for application on the surfaces of the fertilizer granules (for example, carbamide, ammonium nitrate, ammonium chloride, complex NPK fertilizers), having temperature from 45 up to 100°C of the mixture of the surface-active substances with the film-forming substance in the aqueous medium. For the application may be used both ionogenic and non-ionogenic surface-active substances. The film forming substance may be chosen from the group, which contains amino-formaldehyde resins and epoxide resins, polyvinylacetate and animal glues. The technical result of the application of the additives at the heightened temperature results in the fertilizers granules strength improvement.

EFFECT: the invention ensures the fertilizers granules strength improvement.

3 cl, 36 ex, 4 tbl

FIELD: chemical industry and technology, fertilizers.

SUBSTANCE: method involves feeding ammonium nitrate melt into a mixer for mixing in the amount 33-69 wt.-%, potassium chloride in the amount 22-65 wt.-%, the special mineral additive - phosphogypsum in the amount 2-9 wt.-% and ammonia for maintaining pH value of the mixture in the range 6.5-7,5. Prepared pulp is sprayed to recycle in drum granulator, granulated at the recycle number = 1:(2-2.5) and product is dried. Stirring is carried out in optimal regimen at temperature 100-130°C for 20-30 min. Invention provides enhancing output due to acceleration of the conversion process in simultaneous enhancing fertilizer granules strength and reducing washing out from soil. Invention can be used in manufacturing granulated nitrogen-potassium mineral fertilizers.

EFFECT: improved preparing method of fertilizer.

2 cl, 1 tbl, 14 ex

FIELD: agriculture, chemical technology.

SUBSTANCE: invention relates to technology for preparing humin fertilizer from solid fuel minerals. Method for preparing alkaline metals humates involves ultrafine grinding of coals comprising humic acids in mixture with chemical addition agent comprising alkaline metals compounds with additional addition of oxidant, for example, potassium permanganate in the ratio to coal = (0.04-0.05):1 to a mixture feeding for grinding, and chemical addition agent is fed to the technological process for two steps: at the first step during grinding with coal and oxidant sodium and/or potassium carbonates are added, and at the second step - at stirring up to preparing the uniform mass with product obtained after grinding potassium and/or sodium hydroxides are added. Then the prepared uniform mass is treated with a plasticizer and wetting agent under pressure = (3 x 105)-(4 x 105) Pa. Method provides increasing the main substance in ready product and preparing non-dusty lumped product suitable for package, transporting and addition in soil.

EFFECT: improved preparing method of humates.

7 cl, 1 tbl, 1 ex

FIELD: production of granulated mineral fertilizers containing humate of alkaline metals; granulated phosphate fertilizers in particular, such as ammophos, diammonium and super-phosphate.

SUBSTANCE: proposed method includes preparation of granules containing ammophos, for example or diammonium or super-phosphate and humate of alkaline metal. Granulation is performed in drum-type apparatus by spraying pulp of phosphorus-containing fertilizer at moisture content of 8-15% onto recycled particles mixed preliminarily with loose humate of alkaline metal at size of particles not exceeding 0.15 mm. Humate is preliminarily mixed with recycled particles in separate reservoir or on conveyer feeding the recycled particles to granulation apparatus or directly in granulation apparatus.

EFFECT: improved agro-chemical properties of product.

4 cl, 1 tbl, 1 ex

FIELD: agriculture and horticulture.

SUBSTANCE: composition for microelement soaking by plants or precursors thereof includes microelement component, organic acid and amino acid. Composition is obtained by dissolution of at least one microelement component, at least one organic acid selected from group containing lactic acid, glycolic acid, and citric acid in polar solvent and addition of hydrogen peroxide. Once reaction with hydrogen peroxide is finished at least one amino acid soluble in polar solvents is added, wherein in microelement component oxidation and amino acid addition processes temperature is maintained at lower than 60°C.

EFFECT: composition with increased assimilation.

51 cl, 13 tbl, 6 ex, 17 dwg

FIELD: farming; preparation of complex organo-mineral fertilizers.

SUBSTANCE: proposed method includes grinding, proportioning, mixing, sterilization, granulation of components, saturation of them with micro-elements, sieving and repeated grinding of siftings. Method includes also determination of amount of pathogenic micro-organisms contained in products of 2-4-year decomposition of animal excrements and guano. Fertilizer components are subjected to sterilization by natural bischofite solution of the following formula: MgCl6H2O at norm exceeding amount required for destroying pathogens by 20-40% by finely dispersed spraying at continuous delivery of components to sterilizer. At presence of pathogenic components, including Salmonella in 100 g of weighted portion (1-5)·106; (6-10)·106 units and (10-25)·106 units. Decomposition production of cattle manure, pig excrements and guano are decontaminated by natural bischofite solution at density of 1.2-1.4 t/m3 at norm of 60-120; 140-180 and 200-400 l/t respectively. Saturation with macro-and micro-elements in form of ground phosphorite and processed sludge of pickling solutions and waste of metallurgical process is carried out during delivery of components to granulator. Fertilizer production line includes storage reservoir, drum-type separator, proportioner and gaseous heat transfer agent source which are connected by means of transporting units. It is connected with inner cavity of drum-type drier by means of air duct. All these units are connected by means of transporting units in form of pipe lines and worm conveyers. Production line is additionally provided with reservoir for liquid sterilizing agent, pump, pressure gauges, valves and hydraulic main for delivery of natural bischofite solution to sprayers. Production line is provided with bins and proportioners for delivery of macro- and micro-elements in form of ground phosphorite and complex micro-elements from processed sludge of pickling solutions and metallurgical process waste; production line is additionally provided with granulator and additional storage reservoirs which are hydraulically connected with storage reservoir and bioreactor intended for processing effluents by means of pipe lines. These units are mechanically connected with drum-type separators mounted above sterilizer by means of worm conveyers. Sterilizer is made in form of belt conveyer. Located in way of delivery of components above sterilizer conveyer are sprayers for finely dispersed spraying of natural bischofite solution for sterilization of fertilizer components. Belt conveyer is conjugated with granulator.

EFFECT: possibility of producing ecologically pure properly balanced fertilizer.

3 cl, 1 dwg, 16 tbl

FIELD: production of ameliorant based on natural bischofite, phosphorites, metallurgical production wastes in the form of slag, used etching solutions employed in etching of ferrous metals with sulfuric acid, and used electrolytes utilized in galvanic plating.

SUBSTANCE: method involves processing solid components followed by mixing with liquid components; preliminarily preparing solution from used etching solutions of sulfuric acid etching of ferrous metals and electrolytes of galvanic plating in the ratio of 1:1; separately feeding solution for treating of ground metallurgical slag at solid and liquid phase ratio S:L=1:6 and for processing of ground phosphorites at S:L ratio of 1:7; in the first case, heating mixture to temperature of 120-160 C during 0.75-1.25 hours, in the second case heating mixture to temperature of 95-120 C during 30-45 min while continuously mixing until homogeneous mass is produced; preparing third mixture of ground phosphorites and mixing it with brine of natural mineral of bischofite of MgCl2·6H2O formulation at S:L ratio of 1:4, said mixing process being conducted at temperature of 80-90 C during 1-2 hours; mixing resulted pulp of bischofite and phosphorites with homogeneous mass of slag of metallurgical production with etching solutions and phosphorites with etching solutions in the ratio of 1:1:1 during 1 hour at temperature of 45-70 C until pasty mass is produced. Also, apparatus for producing of ameliorant is described.

EFFECT: improved quality of ameliorant, reduced consumption of power and decreased production costs in obtaining of ameliorant.

3 cl, 1 dwg, 16 tbl

FIELD: agriculture, in particular divot-based organomineral fertilizers.

SUBSTANCE: claimed fertilizer contains divot, nitrogenous, phosphorus and potassium mineral salts preferably urea, superphosphate, potassium salt and rest from flat divot hydrolysis with hydrogen peroxide and ammonia which represents waste form production of plant growth stimulator. Abovementioned components are taken out in the next ratio (mass %): divot 58.4-66.6; rest from divot hydrolysis 3.5-14.6; urea 6.5-10.6; superphosphate 10.4-10.8; potassium salt, namely potassium sulfate 9.8-9.7.

EFFECT: fertilizer of high biological activity; increased productivity of agriculture cultures.

2 cl, 1 ex, 4 tbl

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