106 results about "Soluble nitrogen" patented technology

The invention discloses a degraded natural organic bundle slow release fertilizer, which comprises the following steps: comprising easy soluble nitrogen particle fertilizer; coating natural organic bundle slow release with the main element as lignin; coating vegetable fat film layer out of nature organic film layer as sealer; bruising the nature organic matter with the main element below 60 order as coating material; adopting normal disc pelleting method; sticking the coating material to the surface of easy soluble nitrogen fertilizer particle; drying; spraying vegetable fat as sealer; getting the product. This fertilizer is very cheap, which can be used to cotton, corn, wheat, flower and lawn.

The invention belongs to a production method for adding brewer grain fattening pannage, which belongs to the technical field of the feed processing. The production method comprises the following steps that: the brewer grain is undertaken the steam explosion pretreatment and is added with mixed bacteria and / or complex enzyme to be undertaken the solid anaerobic fermentation so as to degrade the fiber content in the brewer grain and to improve the soluble nitrogen content of the brewer grain, so the quality is better, and the nutrition is more balanced; then the fermented brewer grain, waste yeast powder, corn meal, soybean meal and pre-mixed material are uniformly mixed to obtain the fattening pannage being added with brewer grain. The source of the brewer grain and the waste yeast is abundant, the nutrition for matching the brewer grain and the waste yeast is balanced, and the cost of the feed can be reduced; and the brewer grain is processed with the steam explosion pre-treatment technology, the enzymolysis technology and the biological fermentation technology, so the fiber content is reduced, the protein quality is improved, and the type of the aminoacid is more abundant; and the production method can reduce the grain ratio, improves the daily gain, reduces the feed compositions, and is free from influencing the feed intake and the growth of the fatty pigs.

The invention provides a liquid biological organic fertilizer with high content of organic substances and a preparation method. The fertilizer is characterized by comprising the following components by weight: 60% of a humic acid release inhibitor, 0.4% of a composite biological agent, 10% of fulvic acid potassium, 12% of soluble nitrogen-phosphorus-potassium raw materials, 9% of a chelating medium trace element agent, 8.47% of a soil conditioner, 0.93% of compound sodium nitrophenolate and 0.1% of naphthalene acetic acid; and the fertilizer is prepared by mixing, heating, chelating, concentrating, cooling, microorganism adding, filtering and residue removing. The invention has the following beneficial effects: plant nutrition is directly supplemented; the contents of absorbable organic substances for a root system in soil are rapidly supplemented; growth of the root system is rapidly promoted; absorption area of the root system is enlarged; the chelating medium trace element agent can not be fixed by the soil and exists in a free state in the soil, so the chelating medium trace element agent is easy to be captured and absorbed by the root system in the soil; physiological diseases and pests are prevented from occurrence; quality of an agricultural product is improved; root-rot disease and stem-rot disease are prevented from occurrence; occurrences of fusarium and verticillium wilts and bacterial wilt are reduced; meanwhile, the fertilizer is capable of resisting salinity and alkalinity, resisting continuous cropping diseases, and killing soil-borne diseases.

A bactericidal fertilizer and a production and application method thereof relates to a fertilizer composition. The fertilizer comprises the following raw materials: a soluble nitrogen phosphor potassium fertilizer, inorganic matter with trace elements, magnesium salts, complexed calcium salts, organic carbon source compounds, a silver agent, soluble amino acids, and auxiliary agents; the production method comprises the following steps: drying, pulverizing, and mixing the soluble nitrogen phosphor potassium fertilizer, trace elements, and magnesium salts to obtain fine powder; dispersing nanosilver or complexed silver or nanocolloid in anhydrous alcohol, adding various auxiliary agents, and stirring; adding the fine powder into the silver-containing alcohol component, and stirring; puttingeach component into a closed container, mixing, stirring, and vacuumizing the container; after the alcohol is exhausted, uniformly stirring the product, and performing vacuum packaging. The application method comprises: soaking crop seeds, pouring roots, spraying leaf surfaces, and being used as a nutrient solution in soilless culture. According to the invention, a fertilizer with silver bactericide can be produced, which meets the requirements of economic crops, and facilitates agricultural development.

Production of malt is carried out by immersing for wheat grain, germinating and drying. It can supply sufficient hydrolase for saccharification to decompose protein into soluble nitrogen; it can supply alpha-amino-nitrogen and dissolve albuminous cell wall to degrade starch grain. It's controllable, has better physical-bio-chemical reaction and quality.

The invention discloses a flue gas denitration method based on an advanced oxidization technology. The method comprises the following steps of: directly jetting double-oxidizer liquid into a flue to be mixed with flue gas so that the double oxidizers oxidize NO in the flue gas into high-valence easily-soluble nitrogen oxides, such as NO2, HNO2 and HNO3; and washing the oxidized flue gas by using an alkali solution to remove the nitrogen oxides in the flue gas. According to the method, the advanced-oxidization synergistic action of the double oxidizers is adopted, so that the NO oxidizing efficiency is greatly increased and can reach over 90%; the denitration efficiency is not lower than 85% after being washed by the alkaline liquid, the denitration cost is low, the economic performance is good, and the secondary pollution does not exist; and the existing desulfurization devices can be very conveniently modified so as to realize simultaneous desulfurization and denitration.

The invention discloses a lactoalbumin antihypertensive peptide and a preparation method and an application thereof. The lactoalbumin antihypertensive peptide is prepared by the following steps: after hydrating lactoalbumin solution, adjusting the pH value to 7.0-10.0, adding protease I for enzymolysis reaction; after reacting for 120-240 minutes, keeping reaction temperature constant; adjusting the pH value to 6.0-8.0; adding protease II into a reaction system to continue reacting; after reacting for 120-240 minutes, stopping reacting to obtain rough enzyme solution; inactivating enzyme in the rough enzyme solution, and adjusting the pH value to the isoelectric point of lactoalbumin; centrifuging to obtain supernate; adjusting the pH value of the supernate to 6.0-8.0; and collecting ultrafiltrate by a 10 kDa ultrafiltration membrane; and obtaining lactoalbumin antihypertensive peptide. Product analysis indicates that the prepared lactoalbumin antihypertensive peptide contains less than 2% of ash content, protein recovery rate approaches to 90%, TCA soluble nitrogen content is more than 85%, free amino acid content is 70.23 mu mol / mL, and ACE suppression ratio is more than 85%.

The invention discloses a flue gas cleaning method capable of simultaneously desulfurizing and denitrifying. The method comprises the technical steps: adding atomized ozone into the flue gas to convert insoluble nitrogen oxides (NOx) in the flue gas into soluble nitrogen dioxide (NO2); then, absorbing and removing SO2 and NOx by alkali liquor in an absorption tower to obtain an absorption liquid, and oxidizing the absorption liquid with air to obtain sodium sulfate and sodium nitrate; preparing the alkali liquor by using sodium sulfate as a sodium element, and recycling the alkali liquor as the absorption liquid to a flue gas absorption system. The method recycles the alkali liquor while simultaneously desulfurizes and denitrifies, thereby solving the problem of high cost of a lot of alkali liquor used and secondary pollution caused by effluent discharge in existing flue gas cleaning. The method disclosed by the invention is simple in process, less in investment, low in operating cost and high in pollutant removal rate, and the removal rate of SO2 reaches over 95% and the removal rate of NOx reaches over 80%, so that wastes are fully utilized.

The invention discloses a novel organic compound fertilizer. The fertilizer is prepared from following raw materials in parts by weight: 45-50 of livestock manure, 7-9 of silkworm excrement, 20-23 of rice hull, 11-13 of dry pine needle, 20-25 of sawdust, 10-15 of peat, 15-20 of bentonite, 12-14 of natural zeolite, 5-7 of calcium oxide, 2-4 of magnesium oxide, 10-13 of vinasse, 9-12 of a soil activator and a proper amount of water. The fertilizer is prepared from the livestock manure, the sawdust, the rice hull, and other agricultural and sideline products, thus achieving utilization of waste products, increasing the soil fertilizer efficiency and reducing environment pollution. The silkworm excrement is excrement excreted after silkworms eat mulberry leaves, and contains crude proteins, crude fat, crude fiber, soluble nitrogen-free compounds, ash, etc., and is rich in chlorophyll, vitamin E, K pectin, and the like. The dry pin needle is rich in amino acids, vitamins, a plurality of trace elements, and phytocidin and vitamins, and has functions of diseases prevention and disease resistance, wherein the amino acids, the vitamins, and the plurality of trace elements are essential for growth and development of animals. The peat is rich in nitrogen, potassium, phosphor, calcium, manganese, etc., and is capable of improving a soil hardening phenomenon, and the like, enhancing water retention capability, air permeability, and fertilizer retention capability and increasing nutrients, thus improving the product quality and achieving better economic benefit.

The invention belongs to a preparation technology of an instant tea, relating to a preparation method of an asparagus leaf instant tea. As the prior art only picks vegetable asparagus, and loses the asparagus leaf, wherein the weight of the asparagus leaf is 70%-80% of the gross weight of plant, thereby wasting the resources; and the asparagus leaf is rotten, thereby polluting the environment. The preparation method of the asparagus leaf instant tea comprises the following four steps of: microwave inactivating enzyme of the asparagus leaf-composite formulating the leaf instant tea-hydrolyzing complex enzyme-concentrating and drying. The preparation technology has the advantages that the asparagus leaf instant tea has higher flavone content and soluble nitrogen content, and has physiological functions for enhancing human body immunity and anti-fatigue, and the like; is convenient in drinking, and can be drunken by adding water; is easy in storing and transporting; has a scientific and reasonable technology; has an energy-saving production technology, and is easy in controlling and operating; adopts an assistant extraction method with complex enzyme of cellulose and neutral protease to have mild hydrolysis condition and low ash content; and has wide raw materials source, abundant resource, low price, low cost and wide practicability.

A liquid composite microorganism fertilizer and the preparation method thereof belong to the field of the microorganism fertilizer technique. The invention uses four microorganisms of bacillus subtilis, bacillus magaterium, silicate bacterium and Streptomyces Jingyingensis for mixed-zymolysis and is combined with soluble nitrogen, phosphorus and potassium to prepare the liquid composite microorganism fertilizer. The fertilizer can be used for all type of soil and crops, the application effect on vegetable, fruit is optimum, and the fertilizer has the effects of improving the soil structure, increasing the water-keeping and fertilizer-keeping capability of the soil, and better increasing the production and improving the crop quality.

The invention relates to a pant rhizosphere friendship fertilizer which uses divalent metal ammonium phosphate sylvine wrapped fertilizer and / or slightly soluble nitrogen-containing compound buffer fertilizer and water soluble potash fertilizer, root accelerator, root inducer, fertilizer with micro element and additive to make the buffer-control fertilizer.

An improved system for processing a liquid manure and producing organic fertilizer includes equipment for separating various components of the liquid manure having different nitrogen to phosphorous ratios and then mixing these components so as to produce an organic fertilizer with a predetermined nitrogen to phosphorus ratio. The system includes equipment for separating a first manure component that contains about 15 percent soluble phosphorus and about 20 percent soluble nitrogen, equipment for adding a flocculant material to the liquid manure aqueous solution, equipment for separating a second manure component that contains about 40 percent partially soluble phosphorus and about 30 percent partially soluble nitrogen, equipment for performing direct current electrocoagulation cleaning of the liquid manure aqueous solution and separating a third manure component that contains about 45 non-soluble phosphorus and about 10 percent non-soluble nitrogen and equipment for performing clarifying cleaning of the liquid manure aqueous solution and separating a fourth manure component that contains about 40 percent non-soluble nitrogen and no phosphorous.

The invention discloses a cellulase producing bacteria classified and named bacillus megatherium. The bacteria strain is preserved in China Center for Type Culture Collection (CCTCC) at May 21, 2015 and is assigned the accession number of CCTCC M2015320. The bacteria strain is used for preparing high-activity cellulase under a neutral pH and is significantly better than an acidic cellulase in the field of water-washing enzyme application. In the invention, sodium carboxymethylcellulose is employed as a carbon source, which is excellent than a fiber raw material in the aspects of transportation, material feeding and disinfection and the like. With urea as a soluble nitrogen source, the cellulase producing bacteria is low in cost and is convenient to prepare and use. According to the invention, the cellulase is high in activity, is wide in application range and good in stability to pH, and is short in production period.

The invention relates to a method for preparing peanut peptide by fractional bienzyme hydrolysis, belonging to the technical field of peanut protein processing methods. The method is characterized by comprising the following steps of: dissolving the peanut protein powder in distilled water, then placing the dissolved peanut protein powder into a 9 DEG C constant-temperature water bath, and preserving for 20min so as to passivate separated peanut protein; taking out the separated peanut protein after passivation, regulating the pH value of the protein solution to be 8.0, adding incision enzyme, and reacting for 120min in a 5 DEG C constant-temperature water bath oscillator; after reaction, regulating the pH value of the protein solution, adding flavourzyme, evenly mixing, reacting for a certain period of time in a constant-temperature water bath oscillator with a certain temperature, taking out after the reaction, placing into a 1 DEG C water bath, preserving for 5min, and cooling with cold water to obtain the peanut peptide after cooling. The invention has the advantages of low preparation cost, high peanut peptide yield, high purity, short preparation time, simple preparation method, and mild production conditions, and the mass concentration of soluble nitrogen in an enzymolysis product is high.

The invention discloses a method for preparing thrombolytic black curd beans, which comprises the following steps of: soaking high-quality soybean, cooking, cooling, inoculating to mould starter (Aspergillus), fermenting and culturing for 60-72h to obtain black curd bean semi-product; and soaking at the room temperature for 5h-8h, adding glucose 8.0%-10.0% (W / W), sterilizing, cooling, inoculating to 12.0%-15.0% (V / W) Bacillus subtilis seed solution, and fermenting and culturing at 30 DEG C -35 DEG C for 72h-84h. The thrombolytic black curd beans are rich in nutritive compositions such as soluble nitrogen, soluble sugar, water soluble mineral, and free amino acid and functional components such as black curd bean plasmin, polypeptide, soybean isoflavone, etc., and are prepared by performing two-step solid fermentation, i.e. the primary fermentation of the Aspergillus and the secondary fermentation of the Bacillus subtilis, in combination with the conventional black curd bean production technology. The black curd beans have the effects of resisting oxidation, resisting thrombosis and preventing cardiovascular disease.

The invention belongs to the technical field of edible fungus processing, and particularly relates to a method for extracting soluble nitrogen-containing compounds from edible fungi by combining screw extrusion with enzymolysis. The method includes the steps: (a) treating raw materials; (b) performing screw extrusion pretreatment; (c) performing enzymolysis; and (d) performing centrifugal treatment to obtain supernatant liquor of the soluble nitrogen-containing compounds and edible fungus residues. By combining modified wall breaking of screw extrusion with further proteinase enzymolysis, the advantages of modified wall breaking of screw extrusion and enzymolysis are combined, delicious substances in thallus of the edible fungi are effectively released, the extraction rate of the soluble nitrogen-containing compounds of mushrooms is increased, and the method is green and environment-friendly.

The invention provides a method for preparing cellulase by bacilli. The method includes the steps of using bacillus as a producing strain, subjecting the producing strain to slant culture, shaking culture and fermenting culture to obtain the cellulase. Fermenting culture medium comprises, by weight percent, 0.5-2% of starch, 1-5% of soybean cake meal, 8-12% of soybean cake meal hydrolysate, 0.3-0.8% of bran, 1-2% of inorganic salt, and 0-0.3% of foaming agent. The cellulase prepared by the method has high activity in neutral pH and alkali conditions and is better than acidic cellulase in terms of water abrasion enzyme application. Starch material is used as a carbon source by the method, and accordingly the cellulase is better than that of the fiber material in terms of transfer, feeding, sterilization and the like. The soybean cake meal hydrolysate is used as a soluble nitrogen source, and accordingly the cellulase is low in cost and convenient to prepare and use. The cellulase prepared by the method is low in cost, high in activity, wide in pH application range, high in stability and short in production cycle.

The invention relates to a method for preparing rapeseed peptides by mixed fermentation, which sufficiently utilizes the functions of hydrolyzing proteins and degrading sulfuric glucoside by microorganism and effectively improves the soluble nitrogen content and the bioactivity of the product. The method for preparing the rapeseed peptides by mixed fermentation comprises the following steps:(1) mixing rapeseed meal powder with nutrient solution to prepare liquid fermentation medium; (2) inoculating bacillus subtilis, lactobacillus and candida utilis into the fermentation medium to carry out liquid fermentation; (3) carrying out solid-liquid separation on the liquid fermentation medium to obtain the crude extract of the rapeseed peptides; and (4) purifying the crude extract to obtain the rapeseed peptides. The invention has simple technique and low cost; furthermore, different microorganisms generate a plurality of metabolites and enzymes with different enzyme cutting sites, therefore, the functions of hydrolyzing proteins and degrading sulfuric glucoside of the microorganisms are fully utilized, toxic substances of rapeseed meal are effectively degraded, proteins are hydrolyzed, and the soluble nitrogen content, the bioactivity and the yield of the rapeseed peptides of the product are improved.

The invention provides a rape seed protein feed, which can be solid powder or particles. The feed comprises the following compositions in percentage by weight: 35 to 50 percent of protein (N*6.25, butt), 25 to 33 percent of soluble nitrogen, and 10 to 20 percent of small peptide; and content of glucosinolate is 15 to 25 micromole / gram rape seed protein feed. The invention provides a method for preparing the rape seed protein feed, which comprises the following steps: fermenting crushed rape seed dregs in solid state by a food grade single strain with prolease producing capability; and sterilizing, drying and crushing a fermented culture medium substrate to obtain the rape seed protein feed. The method is friendly to environment in mild reaction condition, and can sufficiently play roles in hydrolyzing the prolease of microorganism and degrading the glucosinolate, so the method is applicable to industrial mass preparation of the rape seed protein feed with low cost.

The invention discloses a rodlike N-Ag codoped TiO2 and a preparation method of the rodlike N-Ag codoped TiO2, belonging to the preparation field of inorganic nanometer materials. The method takes hydrolyzed titanium salt as a main raw material and soluble nitrogen salt and silver salt as doping agents of nitrogen and silver; the technologies such as hydrolysis, grinding, calcination and the like are adopted, and induction orientation is carried out in the sintering process to control the morphology; and finally, the rodlike N-Ag codoped TiO2 can be obtained. The nano-powder obtained by the preparation method has the characteristics of being small in particle size, regular in morphology, even in distribution, good in dispersity and the like; and the process is high in synthesis speed, low in cost, high in yield and free from pollution, thus having industrial popularization value.

The invention provides a rooting agent for preventing and treating clubroot diseases of cruciferae crops. Effective constituents of the rooting agent comprise 0.1-0.5 part of a water-soluble boron compound, 140-250 parts of a water-soluble nitrogen compound and 49-60 parts of organic fertilizer. The rooting agent is applied in the growth period after plants, infected with the clubroot diseases, of the cruciferae crops such as oilseed rape come into twelve true leaves, induction and growth of enough new roots of the plants, infected with the clubroot diseases, of the cruciferae crops such as the oilseed rape can be effectively facilitated, the yield loss of the plants infected with the diseases is lowered to the greatest extent, and economic benefits of growers are guaranteed. The invention further provides a preparing method of the rooting agent, wherein the rooting agent is prepared by mixing raw materials and then conducting granulation, operation is easy and convenient, and cost is low.

The invention provides an in-vitro method for comprehensive assessment of protein biological quality in infant formula milk powder. The infant milk powder is firstly re-dissolved to detect total proteins and total acid hydrolyzed amino acids, then the infant milk powder is digested by artificial simulated gastric juice and intestinal juice and precipitated by trichloroacetic acid with the concentration of 10 percent, and soluble nitrogen and amino acids in supernatant liquor are detected. The protein digestibility and the essential amino acid digestibility are calculated through the detection results, the modified amino acid score is obtained by multiplying the total amount of essential amino acids in the supernatant liquor and a model contrast value which is recommended by WHO by the essential amino acid digestibility, and the protein biological quality is determined by the value which is obtained by multiplying the protein digestibility by the modified amino acid score.

The invention relates to a method for rapidly monitoring the solubility of protein in a preparation process of beer wheat malt. The method can be used for judging the wheat malt library value according to the measurement results of water-soluble protein content and FAN content in green wheat malt, and aims at rapidly and accurately judging the solubility of green wheat malt protein. A conventional wheat malt library value measurement method mainly refers to the standard of QB / T1686 beer wheat malt. A standard method comprises the steps of drying green wheat malt into finished wheat malt, carrying out EBC saccharification and then respectively measuring the content of soluble nitrogen and the total nitrogen of wheat malt in a kjeldahl method. The standard method is more in steps, complicated in operation, long in time consumption (about 30h) and high in cost. The method, which can judge the solubility of the wheat malt protein according to the water-soluble protein content and the FAN content in the green wheat malt, has the total time consumption of shorter than 3h, can rapidly and accurately judge the wheat malt library value, reasonably control the germinating time and accurately judge the finished wheat malt library value, and is capable of saving the analysis time and improving the processing efficiency and quality of wheat malt.

An abrasive cleaning agent is provided which can be used for a polishing process for polishing a surface of a workpiece to form a mirror surface, which suppresses generation of static electricity and adhesion of stains to the workpiece, which decreases a crushing ratio, and which has a low environmental burden when the abrasive cleaning agent is disposed of. The above abrasive cleaning agent includes an elastic material containing a soluble nitrogen substance as a primary component, which is obtained from tubers of devil's tongue and which contains mannan as a primary component, and a 10% to 30% of water; and 1 to 30 percent by weight, with respect to the elastic material, of abrasive grains of size #220 or less, which are supported on surfaces of the elastic material and / or are buried therein, so that the grain diameter on the whole is in the range of 88 to 1,190 μm.

The invention provides a nano-fertilizer pesticide synergist. The nano-fertilizer pesticide synergist comprises the following ingredients, by weight, 5-21% of soluble nitrogen-containing substances, 0.5-5% of dispersants, 0.5-5% of surfactants, 0.1-1% of penetrants, and 0.05-0.5% of nano-carbon black, the balance being deionized water. The invention provides a preparation method for the nano-fertilizer pesticide synergist. Nanoparticles in the prepared nano-fluid are small in particle sizes, the distribution scope is narrow, the dispersity is good, there is no agglomeration, and therefore the stability of the obtained nano-fluid is good. The preparation method has characteristics of simple devices and technologies, mild conditions, high raw material utilization rate, low cost, easy industrialization and the like.

The present invention discloses an easily degradable particle type water retention matrix and a preparation method thereof, the easily degradable particle type water retention matrix is prepared from the following raw materials by weight: 55-75 parts of corn starch, 50-60 parts of acrylamide, 12-15 parts of biogas residue, 0.2-0.4 part of ammonium persulfate, 0.4-0.5 part of N, N'-methylene-bis-acrylamide, 18-22 parts of vermicompost, 60-70 parts of acrylic acid, 8-10 parts of vinegar residue, and 2-3 parts of EM microbial agent; the easily degradable particle type water retention matrix is prepared from the matrix materials which are all degradable, after use, rainfall and irrigation absorbing capacity and absorption rate of soil can be significantly improved, surface runoff can be reduced, while the increase of time, the water retention matrix may be gradually degraded into soluble nitrogen, phosphorus and other nutrients which can be absorbed and utilized by plants, soil organic matter content can be improved, soil beneficial microbial activity can be increased, and a favorable environment for the growth of the plants is created.

The invention relates to organic fertilizer specially used for camellia oleifera young forest. The organic fertilizer is prepared from the following raw materials in parts by weight: 30-40 parts of soluble nitrogen fertilizer, 4-9 parts of ammonium sulfate, 3-8 parts of fish pond sludge, 12-15 parts of organic fertilizer, 3-6 parts of camellia oleifera seed shells, 3-6 parts of urea, 5-12 parts of ammonium nitrate, 6-9 parts of mushroom dregs, 3-7 parts of lignin dregs, 5-7 parts of acrylic acid, 1-3 parts of plant ash, 2-5 parts of land plaster, 0.3-0.5 part of trace elements, 2-5 parts of bentonite and 1-3 parts of mineral additive. According to the organic fertilizer, the preparation method is simple, the prepared organic fertilizer can provide nutrients required by the camellia oleifera young forest in the growing period and improve the output and oil yield of the camellia oleifera seeds, the absorption rate is high, the damage to environment is correspondingly eased to some extent, and meanwhile, the soil hardening can be effectively prevented as well.

The invention relates to a red-mud-based nitrogen phosphorus controlled release agent. The red-mud-based nitrogen phosphorus controlled release agent comprises the following raw materials in parts by weight: 50-70 parts of red-mud-based materials, 5-12 parts of gypsum, 3-5 parts of modified starch, 15-40 parts of mixed phosphatic fertilizers and 2-5 parts of agricultural residues. The invention also provides a preparation method of the red-mud-based nitrogen phosphorus controlled release agent. According to the red-mud-based nitrogen phosphorus controlled release agent, the problem that the loss amount of soluble nitrogen and phosphorus fertilizers in the early stage of fertilization is relatively increased is solved, and the fertilizers can be continuously supplied in a long-acting mode.

An improved system for processing a liquid manure and producing organic fertilizer includes equipment for separating various components of the liquid manure having different nitrogen to phosphorous ratios and then mixing these components so as to produce an organic fertilizer with a predetermined nitrogen to phosphorus ratio. The system includes equipment for separating a first manure component that contains about 15 percent soluble phosphorus and about 20 percent soluble nitrogen, equipment for adding a flocculant material to the liquid manure aqueous solution, equipment for separating a second manure component that contains about 40 percent partially soluble phosphorus and about 30 percent partially soluble nitrogen, equipment for performing direct current electrocoagulation cleaning of the liquid manure aqueous solution and separating a third manure component that contains about 45 non-soluble phosphorus and about 10 percent non-soluble nitrogen and equipment for performing clarifying cleaning of the liquid manure aqueous solution and separating a fourth manure component that contains about 40 percent non-soluble nitrogen and no phosphorous.