97 results about "Corn steep liquor" patented technology

The invention discloses a culture method for increasing the protein content of aspergillus niger mycelia by using corn steep liquor as a culture medium, and belongs to the technical field of biological fermentation. Aiming at insufficient resource utilization of corn steep liquor and substitute protein production requirements, a corn processing by-product corn steep liquor is creatively adopted to directly replace a traditional PDB culture medium, and the mycelium protein content is remarkably increased by optimizing a fermentation system. Results show that the corn steep liquor is used as a culture medium, aspergillus niger with the preservation number of CCTCC M 2013703 is inoculated, and aspergillus niger mycelium protein can be obtained through fermentation. The protein content of the mycelium obtained by the process disclosed by the invention reaches 50.62-53.56%, and the total amino acid content is increased by 64-76%. According to the method, high-value conversion of agricultural corn byproducts is realized, and an efficient and low-cost industrial solution is provided for alternative protein production.

The invention belongs to the technical field of food and medicine, and relates to application of corn germ concentrated powder in improvement of osteoarthritis. The invention particularly relates to application of corn germ concentrated powder, namely corn antioxidant multienzyme, in preparation of medicines or health-care foods for treating rheumatoid arthritis and osteoporosis. In the corn germ concentrated powder, superoxide dismutase / (U / g) is greater than or equal to 8500, glutathione peroxidase / (U / g) is greater than or equal to 5000, and catalase / (U / g) is greater than or equal to 750. The corn germ concentrated powder can also be prepared by the following method: cleaning corn, germinating, adding water into the germinated corn, grinding and pulping, adding a settling agent into the corn steep liquor, standing, taking supernate, adding part of sodium ascorbate, performing temperature-controlled concentration, adding the rest sodium ascorbate and a stabilizer into the concentrated solution, and uniformly mixing to obtain the corn germ concentrated powder. And drying at controlled temperature, crushing, and mixing with a proper amount of silicon dioxide. The prepared corn germ concentrated powder has the effect of resisting rheumatoid arthritis.

This invention relates to the fields of agricultural product processing and bio-feed technology, specifically to a method and application for detoxifying corn steep liquor. The method includes: subjecting a mixture of corn steep liquor, a composite color-protecting agent, and a composite catalyst to a first reaction; allowing the reaction system after the first reaction to stand in a mixture with a composite adsorbent; subjecting the mixture containing the reaction system after the stand-in reaction and a composite enzyme preparation to stand-in treatment, mixing treatment, and enzymatic hydrolysis; and subjecting the mixture containing the reaction system after the enzymatic hydrolysis and an activated composite microbial agent to anaerobic fermentation. This method employs a multi-stage chemical-enzyme-fermentation linkage process, achieving efficient detoxification of corn steep liquor while significantly improving flavor and nutrition. This method synergistically removes mycotoxins and sulfites, and enhances palatability and probiotic value through fermentation transformation of off-flavor substances and enrichment of small peptides and lactic acid. The process is simple and requires no adsorbent separation.

The application provides corn steep liquor for fermentation and a preparation method and application thereof, and belongs to the technical field of biology.The preparation of the corn steep liquor for fermentation comprises the following steps: hydrolyzing corn steep liquor, homogenizing the hydrolyzed corn steep liquor, and then heating and filtering the homogenized corn steep liquor to obtain the corn steep liquor for fermentation.The hydrolysis and high-pressure homogenization process are combined, microorganisms remaining in the corn steep liquor can be effectively cracked, macromolecular proteins and other substances can be decomposed into nutrients which are easy to utilize, the risk of contamination of a fermentation tank due to incomplete sterilization of the corn steep liquor is reduced, and the conversion rate of a fermentation product is improved.

The invention belongs to the technical field of feed biology, and particularly relates to an aflatoxin oxidase mutant as well as a coding gene and application thereof. According to the three-point combined mutant E188R-S210G-T418A provided by the invention, the enzyme activity is 177% of that of a female parent BlCotA; after water bath is carried out for 30 minutes at 80 DEG C, the enzyme activity is 68% of the initial enzyme activity, and the thermal stability is superior to that of a female parent BlCotA; after the mutant E188R-S210 G-T418A is used for treating raw milk for 1 hour, 2 hours and 4 hours, the residual quantity of the AFM1 is respectively reduced to 0.31 ng / mL, 0.12 ng / mL and 0.01 ng / mL; after corn steep liquor is treated by the mutant E188R-S210G-T418A, the degradation rates of AFB1, AFB2, AFG1 and AFG2 are respectively 93.71 percent, 93.95 percent, 96.79 percent and 97.58 percent.

The invention relates to the technical field of microbial oil recovery, in particular to bacillus subtilis 20P3 LZT, fermentation liquor and application of the bacillus subtilis 20P3 LZT to microbial oil recovery, the bacillus subtilis 20P3 LZT is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30366. The bacillus subtilis 20P3 LZT is found for the first time, can generate surfactant lipopeptide, can grow on the basis of molasses or corn steep liquor dry powder as a carbon source, has good emulsification and viscosity reduction performance on crude oil, has the emulsification and viscosity reduction rate of 70% on thick oil, can reduce the viscosity of the crude oil and enhance the fluidity of the crude oil, and can be used for preparing crude oil. On one hand, the oil-water fluidity ratio is reduced, and on the other hand, the emulsified crude oil has the effects of profile control and liquid flow diversion, so that the crude oil recovery rate is indirectly improved, and a new strain and a material are provided for a microbial oil recovery technology.

The invention discloses a method for efficiently degrading mycotoxin in corn steep liquor, and belongs to the technical field of corn deep processing and detoxification. The invention discloses a method for efficiently degrading mycotoxin in corn steep liquor. The method comprises the following steps: adjusting the pH value of thick corn steep liquor by using an alkaline solution; adding a solid catalyst into the corn steep liquor; carrying out detoxification treatment by combining heterogeneous ozone oxidation reaction with microbubbles; and separating and recovering the solid catalyst to obtain the detoxified corn steep liquor. The vomitoxin content of the treated concentrated corn pulp is smaller than 1000 g / kg, the degradation rate is larger than 93%, the zearalenone toxin content is smaller than 33 g / kg, and most of the zearalenone toxin is removed. According to the method disclosed by the invention, the content of fungaltoxin in the corn steep liquor is reduced, so that the economic value of corn byproducts is improved, the economic benefit of grain trade is favorably improved, and the storage period and value of produced products are improved.

The invention relates to a preparation method of a corn steep liquor fertilizer, in particular to a preparation method of a corn steep liquor fertilizer based on circulating membrane separation enhanced enzymolysis. In order to solve the problem that the existing method for preparing the fertilizer from the corn steep liquor is extensive, the method comprises the following steps: 1, diluting the corn steep liquor, adding a biological flocculant, adding enzyme, and separating by a circulating membrane to respectively obtain filtrate 1 and concentrated liquor 1; adding enzyme into the filtrate 1, and separating by a circulating membrane to respectively obtain filtrate 2 and concentrated liquid 2; adding charcoal and a compound material into the concentrated liquid 1, uniformly stirring, drying, extruding and granulating to obtain a solid fertilizer; and adding the concentrated liquid 2 into the compound material to obtain the liquid fertilizer. No waste liquid or waste is generated in the whole process, the large-molecular-weight low-solubility slow-degradation solid fertilizer and the small-molecular-weight high-solubility easily-absorbable liquid fertilizer are prepared according to different absorption characteristics, and the method is applied to the field of fertilizer preparation.

The application provides application of neutral protease in degradation of fumonisin, and belongs to the technical field of biology, and it is verified through experiments that the neutral protease has good degradation effect on FB1. The application also provides a compound enzyme preparation which comprises the following components: 1-5% neutral protease, 5-20% montmorillonite, 75-94% soluble starch, and only by adding 0.5wt%-1.5wt% of the compound enzyme preparation, the efficient degradation of FB1 in common contaminated feed can be realized; specifically, the degradation rate of the compound enzyme preparation on FB1 in corn flour can reach 95.73%, the degradation rate of the compound enzyme preparation on FB1 in DDGS can reach 96.43%, the degradation rate of the compound enzyme preparation on FB1 in corn steep liquor can reach 64.74%, and the degradation rate of the compound enzyme preparation on FB1 in corn cob powder can reach 93.74%.

The invention relates to the technical field of microbial fermentation, in particular to a preparation method and application of a digestible biological protein fermentation material. According to the fermentation method, candida utilis serves as a fermentation strain, industrial and agricultural waste glucose mother liquor and corn steep liquor serve as substrates, high-yield mycoprotein is obtained under the relative low-temperature fermentation condition of 20-25 DEG C, and the obtained fermentation liquor is subjected to single enzymolysis, so that a fermentation material easier to digest is obtained. When weaned piglets are fed with the obtained fermented material, the diarrhea rate of the piglets can be effectively reduced.

The application provides application of neutral protease in degradation of fumonisin, and belongs to the technical field of biology, and it is verified through experiments that the neutral protease has good degradation effect on FB1. The application also provides a compound enzyme preparation which comprises the following components: 1-5% neutral protease, 5-20% montmorillonite, 75-94% soluble starch, and only by adding 0.5wt%-1.5wt% of the compound enzyme preparation, the efficient degradation of FB1 in common contaminated feed can be realized; specifically, the degradation rate of the compound enzyme preparation on FB1 in corn flour can reach 95.73%, the degradation rate of the compound enzyme preparation on FB1 in DDGS can reach 96.43%, the degradation rate of the compound enzyme preparation on FB1 in corn steep liquor can reach 64.74%, and the degradation rate of the compound enzyme preparation on FB1 in corn cob powder can reach 93.74%.

This invention relates to microbial culture. It provides a *Bacillus parabregas* culture medium and its applications, wherein the medium comprises at least one of glycerol, yeast extract, soybean peptone, corn steep liquor powder, ammonium sulfate, magnesium sulfate, and calcium carbonate. The *Bacillus parabregas* culture medium of this invention utilizes glycerol as a carbon source and yeast extract, soybean peptone, etc., as nitrogen sources for large-scale liquid fermentation of *Bacillus parabregas*, achieving a total bacitracin content of over 10.5 g / L. The proportions of each component can be controlled by feeding. Using this medium for *Bacillus parabregas* fermentation results in high bacitracin yield and controllable composition. The medium formulation is simple, inexpensive, readily available, safe, and environmentally friendly. The fermentation process is simple and controllable, with a short fermentation cycle, facilitating industrial-scale production and possessing high application value.

The invention relates to the technical field of wastewater treatment, and provides a method for producing water-soluble solid protein from corn soaking water. The method comprises the following steps: performing ultrafiltration on corn soaking water to obtain ultrafiltration permeate liquid and ultrafiltration concentrated liquid; concentrating the ultrafiltration permeate to obtain a first concentrated solution; adjusting the pH value of the ultrafiltration concentrated liquor, and filtering to obtain first filter residues and first filtrate; and mixing the first filtrate and the first concentrated solution, and performing enzymolysis, crystallization, filtration, nanofiltration, concentration and spray granulation to obtain the water-soluble solid protein. According to the method provided by the invention, effective treatment of a large amount of corn soaking water can be realized, meanwhile, high-quality water-soluble solid protein is produced, and high value-added utilization of the corn soaking water is realized; furthermore, the main component of the obtained first filter residue is calcium magnesium phytate, the main component of the obtained second filter residue is magnesium lactate, the first filter residue and the second filter residue can be sold as solid organic fertilizer, and the nanofiltration permeate liquid can be sold as liquid organic fertilizer, so that the economic benefit is further improved.

The utility model relates to the technical field of biological fermentation equipment, in particular to a corn steep liquor heating tank which comprises a tank body, a stirring device is arranged in the tank body, a heating assembly is arranged at the bottom of the stirring device, the stirring device comprises a stirring shaft, and a stirring mechanism is arranged at the bottom of the stirring shaft. The stirring shaft comprises an outer shaft and an inner shaft which are fixedly sleeved together, and the inner shaft extends out of the outer shaft; the stirring mechanism comprises a stirring rod and an anchor type stirring paddle, the stirring rod is installed on the outer shaft through a fixing sleeve and located in the middle of the tank body, and the anchor type stirring paddle is located at the bottom of the stirring rod. According to the utility model, when the stirring shaft rotates, the stirring rod is matched with the anchor type stirring paddle, so that corn steep liquor can be better stirred uniformly; the heating area of corn steep liquor in the tank body is increased, the heating time is shortened, and resources are saved.

The utility model discloses a kind of degerming corn slurry liquefaction separation devices, the outlet of corn slurry buffer tank is connected with the main entrance of static mixer by corn slurry discharge pump;The outlet of primary enzyme metering pump is connected with the enzyme entrance of static mixer by primary enzyme flowmeter;The outlet of static mixer is connected with the material inlet of primary ejector, the outlet of primary ejector is connected with the inlet of first maintenance pipe, the outlet of first maintenance pipe is connected with the middle part inlet of first flash tank, the bottom outlet of first flash tank is connected with the lower part inlet of primary liquefaction column by laminar flow feed pump, the upper part outlet of primary liquefaction column is connected with the middle part inlet of second flash tank, the outlet of secondary enzyme metering pump is connected with the enzyme entrance of second flash tank upper part side wall by secondary enzyme flowmeter;The bottom outlet of second flash tank is connected with primary liquefaction discharge pipe by primary liquefaction discharge pump. The device can improve the conversion rate of corn starch and the heat energy utilization rate in liquefaction process, reduce energy consumption and the risk of plugging.

The application discloses a kind of production biological liquid fertilizer using vinasse and device, it is related to liquid fertilizer production technical field, with the advantages that mixed material can be separated into solid and liquid, biological liquid fertilizer production process includes S1, urea 6-8 parts, potassium sulfate 10-15 parts, zinc sulfate 60-80 parts, brown sugar 10-15 parts, corn syrup 30-40 parts, bacillus 2-5 parts and vinasse 200 parts, fermentation is added into fermentation tank;S2, fermentation temperature is controlled at 35-38 DEG C, and fermentation time is 2-4 days;S3, the mixture after fermentation in step S2 is separated into solid and liquid using the above device, and the filtered liquid is biological organic liquid fertilizer.

The utility model discloses a corn pulp fermentation process in the on -line metering device of bubble enemy, including the measuring jar, and the lower part of measuring jar is installed with water inlet pipe and bubble enemy granule feed pipe respectively, and the inner wall of measuring jar is installed with support, and the support is installed with the buffer board corresponding with the water outlet end of water inlet pipe, and the filter screen is installed in the measuring jar, and the aperture of filter screen is less than the maximum diameter of qualified bubble enemy granule, and the rotating rod is installed in the measuring jar, and the liftable floating plate is installed on the rotating rod, and the density of floating plate is less than the density of bubble enemy solution, and floating plate is located above the filter screen. The utility model has the beneficial effects that: through setting up support and buffer board cooperation can effectively reduce the water flow impact force of water outlet end of water inlet pipe, make the water flow of water inlet pipe steady enter the measuring jar, and the density of setting up floating plate is less than the density of bubble enemy solution can be in the process of liquid inlet and float steadily, thereby avoiding the deviation of liquid level sensor measurement caused by upper liquid level swing.

This invention relates to the field of microbial technology, specifically to Kluyveromyces martensii YF51-1 and its application in semi-dry fermented whey wine. This strain can efficiently ferment lactose and galactose, while also exhibiting a high ABTS scavenging rate. The fermentation broth contains a high amount of amino acid nitrogen. Under conditions where sucrose is present, the amino acid nitrogen content in the sweetened whey fermentation broth is significantly higher than that in the unsweetened whey fermentation broth. Through process optimization, the optimal fermentation conditions for strain YF51-1 were obtained, ultimately producing a semi-dry whey fermented wine with a rich aroma and a sweet and sour taste, achieving an amino acid nitrogen content of 0.337 g / L, significantly higher than existing technologies. Through optimization of the freeze-drying process, a freeze-drying protectant suitable for strain YF51-1 was derived. This protectant consists of mannose, corn steep liquor powder, lysine, and calcium chloride. After optimization, this protectant demonstrates good protective effect on the strain, with a survival rate of up to 97.22%.

The invention discloses a fermented feed additive for replacing soybean meal as well as a preparation method and application of the fermented feed additive. The fermented feed additive disclosed by the invention is prepared by performing acid protease enzymolysis on a mixed fermentation raw material and fermenting the mixed fermentation raw material with a complex microbial inoculant, wherein the mixed fermentation raw materials comprise the following components in parts by weight: 40-80 parts of corn protein powder, 30-60 parts of corn steep liquor, 7-12 parts of corn germ meal, 4-15 parts of molasses and 2-5 parts of extruded soybeans; the complex microbial inoculant is composed of pediococcus acidilactici, candida utilis and bacillus subtilis according to the viable count ratio of (1-3): (1-3): (0.1-1). The fermented feed additive can effectively replace soybean meal in animal daily ration, the utilization rate of nutrients by animals is increased, the health level of the animals is improved, and the production performance of the animals is improved.

The invention belongs to the field of feeds, and discloses a method for preparing a fermented feed based on bean dregs and shrimp shells and the fermented feed, and the method comprises the following steps: step 1, preparing bean dregs, folium artemisiae argyi hay meal, corn, corn steep liquor and shrimp shell meal into a fermentation substrate; step 2, inoculating a fermentation substrate with phaffia rhodozyma, and carrying out solid-state fermentation culture in an aerobic environment; and step 3, drying the fermentation product to prepare fermentation powder. According to the method, bean dregs serve as a main material and a nitrogen source, corn and corn steep liquor serve as a carbon source, folium artemisiae argyi and shrimp shell meal are used for increasing the content of flavone, polysaccharide and astaxanthin of the feed, improving the immunocompetence of animals and improving intestinal health, bean dreg fermentation products can be better utilized, and replacement of staple food grains by the fermentation products is truly achieved; the fermented feed disclosed by the invention is low in antigen protein content and low in poor oligosaccharide content, and is beneficial to digestion and utilization of bean dregs by animals.

The utility model relates to the technical field of grinding, in particular to corn steep liquor layered grinding equipment which comprises a box body, a check block fixed to the top end of the box body, a first hydraulic cylinder fixed to one side of the check block, a support fixed to a piston rod of the first hydraulic cylinder, and a rotating motor fixed to the top end of the support. A first gear is fixed to an output shaft of the rotating motor, two bearings are fixed to the inner top wall of the box body, stand columns are fixed in the two bearings, second gears are fixed to the two stand columns, connecting blocks are fixed to the bottom ends of the two stand columns, a rough grinding disc is fixed to the bottom end of one connecting block, and a grinding disc is fixed to the bottom end of the other connecting block. A linear motor is fixed to the inner bottom wall of the box body, a connecting plate is fixed to a moving part of the linear motor, a second hydraulic cylinder is fixed to the top end of the connecting plate, a base is fixed to a piston rod of the second hydraulic cylinder, a groove is formed in the top end of the base, and a grinding basin is arranged in the groove. The device is convenient to adjust and clean.

The invention belongs to the technical field of microorganisms and feed, and particularly relates to a preparation method and application of a special yeast hydrolysate for aquatic products, and the preparation method comprises the following steps: S1, preparing saccharomyces cerevisiae HKB-145051, and carrying out aerobic fermentation on the saccharomyces cerevisiae HKB-145051; s2, preparing a liquid grain fermentation culture medium; s3, inoculating a liquid grain culture medium with the yeast fermentation bacterial liquid, and carrying out anaerobic fermentation to obtain yeast milk; and S4, adding a wall breaking agent, drying and crushing to obtain a yeast hydrolysate product. According to the invention, the saccharomyces cerevisiae HKB-145051 is used for fermentation production by utilizing industrial and agricultural by-products corn steep liquor and palm meal, so that the production cost of the yeast hydrolysate is reduced, technical reference is provided for further development of high-quality microbial protein products capable of replacing a large amount of fish meal, and the saccharomyces cerevisiae HKB-145051 has important practical significance for promoting cost reduction, efficiency improvement and sustainable development of the aquaculture industry in China.

The disclosure discloses a production method for low-toxin, low-viscosity and enhanced-quality corn steep liquor protein powder with a special flavor, belonging to the field of biological technologies. By inoculating a corresponding proportion of 106 CFU / mL Aspergillus niger spore suspension into corn steep liquor and cultivating it at a certain rotation speed and temperature, the viscosity of the corn steep liquor effectively reduced, and the aflatoxins contamination is significantly reduced. The degradation rate of AFB1, AFB2, AFG1, AFG2 reach 52.14%, 80.21%, 86.31%, 80.22%. After fermentation, the protein content and total amino acid content of the corn steep liquor are increased after drying, and it can be dried into corn steep liquor powder. The disclosure provides a technical reference for the safe and efficient utilization of the corn steep liquor, greatly reduces the transportation cost of the corn steep liquor, extends the product storage period, and improves the convenience in use.

The application relates to a fermentation production method of N-acetyl glucosamine, which comprises adding a complex nitrogen source solution into an N-acetyl glucosamine fermentation liquor during N-acetyl glucosamine fermentation, wherein the complex nitrogen source solution comprises corn syrup dry powder, yeast powder and ammonium sulfate. The method provided by the application can effectively improve the N-acetyl glucosamine content and conversion rate at the fermentation end point and reduce by-products such as acetic acid by adding the complex nitrogen source solution into the N-acetyl glucosamine fermentation liquor.

The present application relates to the technical field of microorganism, and particularly relates to a Dvorst's bacteria and a method for fermenting corn steep liquor by using the same.The present application provides a Dvorst's bacteria capable of efficiently degrading vomitoxin in corn steep liquor, and corn steep liquor is fermented by using the Dvorst's bacteria and Candida krusei in cooperation, so that the pH of the corn steep liquor can be increased, the content of vomitoxin and anti-nutritional factors in the corn steep liquor can be reduced, and the content of choline in the corn steep liquor can be significantly increased, the quality of the corn steep liquor is obviously improved, the corn steep liquor after the cooperative fermentation can be better applied in the field of animal feed, and has a wide application prospect.

The invention discloses a culture medium and a method for producing arginine through fermentation, and relates to the technical field of biology. The culture medium comprises the following components: 10g / L of glucose, 15-20g / L of corn steep liquor dry powder, 20-30g / L of cane molasses, 0.5-1g / L of ornithine, 2g / L of magnesium sulfate, 1g / L of betaine, 6g / L of monopotassium phosphate, 1g / L of citric acid, 1g / L of sodium glutamate, 0.02 g / L of ferrous sulfate, 0.075 g / L of manganese sulfate, 0.003 g / L of biotin and 0.004 g / L of vitamin B2. By designing a culture medium formula with low cost and high production efficiency and combining staged fermentation process optimization, the yield and production efficiency of the arginine are remarkably improved, and the method is particularly suitable for industrial production of the arginine.

The application discloses a method for extracting effective components from corn soaking water, which comprises the following steps: adsorbing phytic acid in the corn soaking water through a resin, obtaining effluent, removing zein and calcium magnesium salt from the effluent to obtain a treatment liquid, filtering and concentrating the treatment liquid through a reverse osmosis membrane to obtain a first cut-off liquid, adding hydrochloric acid into the first cut-off liquid to adjust the pH to 2.0-2.5, vacuum concentrating until crystals are precipitated, closing the vacuum and cooling to crystallize to obtain a KCl crude product and a first filtrate, and distilling the first filtrate to obtain a lactic acid solution and a distillation dry substance. The method effectively separates potassium chloride crude product, the lactic acid solution and the distillation dry substance from the corn soaking water, fully extracts, separates and utilizes the effective components in the corn soaking water, and improves the comprehensive economic benefits of a corn processing industrial chain.

The invention discloses a method for reducing the content of an M impurity in fusidic acid fermentation liquor. The generation of the M impurity is inhibited from a fermentation source by optimizing a fermentation culture medium and regulating and controlling pH in stages. A fermentation culture medium adopts a composite organic nitrogen source, contains soybean cake powder with specific grease content, and is matched with a yeast extract and corn steep liquor, so that a key precursor can be provided for fusidic acid synthesis, and the enzyme activity can be regulated; the pH is regulated in the early stage of fermentation to adapt to the proliferation requirement of the strain, M impurity synthesis is preliminarily inhibited, the pH is regulated in the middle and later stages to strengthen the activity of a target product synthetase, and M impurity synthetase expression is remarkably inhibited. The process is simple, subsequent complex purification is not needed, the yield of fusidic acid is increased, M impurities are reduced to 2% or below, and the method is suitable for industrial large-scale production.

The invention relates to the technical field of corn soaking water treatment, in particular to a process method for comprehensively treating corn soaking water and obtaining inositol and potassium struvite, which comprises the following steps: treating corn soaking water supernatant as a raw material by first cation and first anion resin columns; the collected desorption solution is subjected to concentration, ultrasonic enzymolysis, decoloration and simulated moving bed chromatographic separation, an obtained inositol phase enters a second cation resin column and a second anion resin column, and an inositol product is obtained through concentration crystallization and drying; adding magnesium chloride hexahydrate into the collected salt phase, adjusting the pH value, filtering, respectively collecting precipitate (potassium struvite) and filtrate, concentrating and crystallizing the filtrate, filtering, and carrying out bipolar membrane electrodialysis treatment on the collected crystallization mother liquor; according to the process method, inositol and potassium struvite products can be obtained, phosphorus and potassium in the corn soaking water are recycled, resource waste is avoided, consumption of a resolving agent (potassium chloride) is reduced, and cost is saved.

The invention provides Aspergillus japonicus (Aspergillus japonicus) and an application of the Aspergillus japonicus. The strain is suitable for recycling various rare earth resources such as ionic rare earth ore, rare earth tailings and rare earth waste, and has the remarkable advantages of being environmentally friendly, low in cost, easy and convenient to operate and the like. The strain can adopt starch, dextrin, cane sugar and the like as carbon sources and corn steep liquor, soybean cake powder and the like as nitrogen sources, so that the growth requirement of the strain is ensured, the production cost is reduced, and the industrial application requirement of rare earth element leaching can be met.