1004 results about "Dipotassium phosphate" patented technology

The invention relates to a magnesium phosphate cement based rapid repair mortar and a preparation method thereof. The rapid repair mortar includes the following components by weight: 100 parts of magnesium phosphate cement, 6-50 parts of a mineral admixture, 50-300 parts of fine aggregate, and 10-30 parts of water. The magnesium phosphate cement is obtained by mixing of, by weight, 60-70 parts of metal oxide powder, 20-28 parts of phosphate, 3-6 parts of a retarder and 4-6 parts of a coagulation regulating component. The magnesium phosphate cement based rapid repair mortar is prepared by adopting magnesium phosphate cement as the cementing material, adopting dipotassium phosphate for coagulation regulating modification, and using sand as the fine aggregate, then adding a proper amount of mineral admixture, and performing mixing with water. Compared with the prior art, the magnesium phosphate cement based rapid repair mortar provided by the invention has the advantages of controllable coagulation time, high bonding strength, good stability and high water resistance, etc.

The invention relates to a zero-trans fatty acid non-dairy creamer and a preparation method thereof, and belongs to the technical field of non-dairy creamers. The zero-trans fatty acid non-dairy creamer consists of the following components in percentage by weight: 22 to 32 percent of vegetable oil and fat, 2.2 to 3.5 percent of sodium caseinate, 0.8 to 1.5 percent of mono-and diglycerides, 0.5 to 1 percent of stearoyl sodium lactate, 1.2 to 1.5 percent of dipotassium phosphate, 0.25 to 0.5 percent of silicon dioxide and the balance of glucose syrup. The preparation method comprises the following steps of: heating, dissolving, mixing, shearing at high temperature, homogenizing, spray-drying and packaging to obtain the zero-trans fatty acid non-dairy creamer. The preparation process is simple and easy to operate; and the obtained non-dairy creamer is high in nutritional performance, good in mouthfeel, fragrant and smooth, does not contain trans fatty acid, meets the consumption demand of health and nutrition at present, and is particularly suitable to be drunk by old people, overweight people, patients who suffer from diabetes and consumers. The zero-trans fatty acid non-dairy creamer can be used as coffee creamers to be mixed with coffee, fruit juice, tea and the like respectively for drinking and also can be used as instant drinks independently for drinking.

The invention discloses a Chinese herbal additive for producing non-polluted eggs and a preparation method of the Chinese herbal additive. The preparation method comprises the steps of: pressurizing 18 kinds of Chinese herbs and instantly releasing the pressure for puffing; screening out puffed materials, then adding corn starch, soybean powder, dipotassium phosphate, magnesium sulfate and calcium chloride, inoculating HEM (High Effective Microorganisms), and leavening at ambient temperature after sufficiently stirring with water, and drying leavening materials. By using 18 kinds of Chinese herbs and puffing the Chinese herbs under the high pressure to damage cell walls, the Chinese herbal additive is favorable for intestinal tract absorbability, and in addition, the function of the Chinese herbs is improved by leavening. Meanwhile, the Chinese herbal additive also provides nutrients for the growth and breeding of viable bacteria, and the Chinese herbal additive and the nutrients play a complementary function in a body. The Chinese herbal additive degrades harmful materials in forage and prevents the harmful materials from holding in the body so as to reduce microbiological indexes and the contents of heavy metal elements and pesticide residues in chicken meat and eggs and ensure that the chicken meat and eggs reach non-polluted index requirements specified by the Ministry of Agriculture.

The invention discloses a cold cut type non-dairy creamer and a preparation method thereof. The cold cut type non-dairy creamer comprises the following components by weight percent: 20-35% of low melting point vegetable oil and fat, 2.0-4.0% of sodium caseinate, 0.5-2.0% of Datem, 1.0-1.99% of dipotassium phosphate, 0.2-0.4% of silica and the balance of glucose syrup. The invention solves the problem that the non-dairy creamer is difficult to dissolve in cooling water, and expands the application filed in the low-temperature environment.

The invention relates to a micromolecular donkey-hide gelatin essence anti-aging facial mask, which contains the following components: glycerin, methylpropanediol, glyceryl polyether-26, 1,2-hexanediol, p-hydroxyacetophenone, butanediol, PEG-60 hydrogenated castor oil, panthenol, xanthan gum, allantoin, carbomer, glycerin polyacrylate, tromethamine, sodium hyaluronate, EDTA disodium, glycerin acrylate / acrylic copolymer, phenoxyethanol, propylene glycol, proplis extract, a PVM / MA copolymer, dipotassium glycyrrhizinate, essence, silk amino acids, beta-glucan, BAMBUSA VULGARIS WATER bambusa vulgaris water, hydrolyzed collagen, rice extract, glycine ussuriensis seed extract, sesame seed extract, chondrus crispus extract, ethylhexylglycerin, polysorbates-20, potassium chloride, locust bean gum,dipotassium phosphate, sodium citrate, hydrolyzed hyaluronic acid, glucose, calcium lactate, glucomannan, sodium acetylated hyaluronate and acetyl hexapeptide-8. The micromolecular donkey-hide gelatin essence anti-aging facial mask has the efficacies of supplementing skin nutrition, moisturizing, removing wrinkles and resisting senility.

The invention provides an agent special for bioleaching municipal sludge, which belongs to the technical field of engineering technology. The agent for bioleaching the municipal sludge contains a carbon source and nutrient substances, which are needed by the growth of thiobacillus and acid-resistant heterotrophic bacteria, including ammonium sulfate, potassium chloride, dipotassium phosphate, calcium nitrate, magnesium sulfate, vitamins, trace elements, carbon source substances, sodium thiosulfate, sulphur powder, finished pyrite or ferrous sulfate heptahydrate, surfactant, dressing and the like. The production process comprises the following steps of: adsorbing a liquid material on diatomite serving as the dressing; and fully mixing the liquid material, other solid materials and the diatomite serving as the dressing to obtain the agent. The agent can meet the growth demands of various microorganisms in a bioleaching composite microorganism at the same time and greatly improve sludge bioleaching efficiency.

The invention discloses an ecological organic compound fertilizer which is characterized by being prepared from the following raw materials in parts by weight: 40-45 parts of straw powder, 12-14 parts of ramulus mori powder, 20-23 parts of silkworm excrement, 12-14 parts of peanut shells, 5-7 parts of bock greenbrier rhizome, 34-38 parts of urea, 20-24 parts of calcium superphosphate, 18-20 parts of dipotassium phosphate, 14-17 parts of ammonium nitrate, 12-16 parts of humic acid, 2-3 parts of lime, 2-3 parts of hydroxypropyl methyl cellulose, 1-2 parts of magnesium stearate, 3-4 parts of an EM (Effective Microorganisms) fungicide, 4-6 parts of a developing agent and a proper amount of water. The fertilizer disclosed by the invention contains more and reasonable nutritional ingredients and can satisfy all fertilizers required by plants in the growing period, the fertilizer is excellent in slow release performance, has a long-term effective effect, supplements trace elements of soil, improves the yield and quality of the plants, is beneficial to human health and further improves the soil fertility at the same time. Meanwhile, the efficacy of the fertilizer can be further exerted to the maximum extent, and the application amount of the fertilizer is reduced, resources are saved, and the environment is protected. The fertilizer has economical and environmental benefits.

The invention relates to a porcine reproductive and respiratory syndrome live vaccine heat-resistant freeze-drying protective agent and a preparation method thereof. The heat-resistant freeze-drying protective agent is mixed by the raw materials based on weight percentage: 1-2% of gelatin, 4-6% of trehalose, 1-2% of tryptone, 1-2% of trypticase, 1-2% of polyvinylpyrrolidone, 0.164% of dipotassium phosphate, 0.052% of monopotassium phosphate, 1% of sorbic alcohol, 1% of sodium glutamate, 1% of arginine salt and the balance of water. The preparation method comprises the steps of: preparing the materials into two mixed solution, respectively preparing in a mixing way by means of degerming to prepare a heat-resistant freeze-drying protective agent, mixing according to the proportion of the protective agent to the virus-resistant raw material as 1:1, performing split charging, and drying in a freezing way. Before drying in a freezing way, the virus loss rate is low, a freeze-drying product is high in ageing-resistant degree, and the virus is invariable in content after the freeze-drying product is preserved at the temperature of 2-8 DGE C for 24 months. After the invention is used, the technical neck bottle that the porcine reproductive and respiratory syndrome live vaccine can be preserved and transported under the condition of -15 DEG C is solved.

The invention discloses an antrodia cinnamomea submerged fermentation compound product and a preparation method thereof. The preparation method comprises the following steps: preparing a submerged fermentation medium from poria cocos powder, Chinese yam powder, radix puerariae powder, bee pollen, soybean meal, yeast powder, glucose, dipotassium phosphate, magnesium sulfate and the like; carrying out submerged fermentation and cultivation on an antrodia cinnamomea mycelium fermentation liquid rich in antrodia cinnamomea polysaccharide; and carrying out supercritical CO2 technical extraction, enzymolysis, separation, filtration and concentration to prepare Chinese herbal medicine extraction liquids such as fingered citrons, sealwort, wolfberries, fructus amomi, emblic leafflower fruits, turnjujube and the like. According to the invention, the content of active components such as antrodia cinnamomea polysaccharide and the like is optimized and the preparation method is high in yield, short in time and low in cost, can be used for industrial production, is an efficient and environment-friendly bioengineering production technology and has remarkable development and application prospects.

The invention discloses an accelerant facilitating the growth of salt-resistive nitrifying bacteria in high-salt wastewater. The accelerant comprises 30-40g sodium chloride, 0.2-0.6g ammonium sulfate, 0.01-0.05g magnesium sulfate heptahydrate, 0.8-1.5g dipotassium phosphate, 0.01-0.05g ferrous sulfate, 7-8.2g calcium chloride, 1-1.7g sodium bicarbonate, 0-0.5g sodium nitrite, 1-5ml vitamin liquid, 1-5ml trace element solution, and 5-10ml bacterium solution per 1000ml water, wherein pH (potential of hydrogen) is 7.8. The accelerant facilitating the growth of the salt-resistive nitrifying bacteria in the high-salt wastewater is free of organic matters such as sugar, contains the inoculated bacterium solution, is suitable for being directly put into the high-salt wastewater for use in an ammonia nitrogen removal technology by a biological method, and allows the high-salt wastewater to be capable of quickly having an environment appropriate for the growth of the salt-resistive nitrifying bacteria. Under the condition that other conditions are the same, after the accelerant is used, a removal rate of ammonia nitrogen can be increased by above 25%, and the accelerant meets requirements on removal of ammonia nitrogen from the high-salt wastewater by a biochemical method.

The invention discloses a macroelement solid water-soluble fertilizer, belongs to the field of a crop fertilizer, and particularly relates to a nanoscale solid water-soluble fertilizer. The water-soluble fertilizer comprises the following components by ratio: 25-35% of urea, 10-15% of potassium nitrate, 10-18% of ammonium phosphate (phosphoric acid), 10-20% of dipotassium phosphate, 2-4% of boric acid, 1-3% of magnesium sulfate, 1-3% of zinc sulfate, 0.5-2% of copper sulfate, 0.5-2% of manganese sulfate, 5-10% of amino acid powder, 4-8% of highly efficient dispersant and 1-3% of cosolvent. The preparation method of the water-soluble fertilizer comprises the following steps: firstly, mixing and preprocessing the amino acid powder by using a little of dilute sulphuric acid; fully mixing the processed amino acid powder with the other components; adding the highly efficient dispersant and the cosolvent; carrying out ultrafine treatment on the solid by using a micron-grade crusher through ultrasonic air flow until the particle size is smaller than or equal to 2 microns, and meanwhile, the surface of the water-soluble fertilizer is modified, so that the targets of rapidly dissolving and improving the soil are achieved, and full absorption and effective utilization of macroelements and microelements are facilitated. Therefore, the macroelement solid water-soluble fertilizer is applied to kinds of crops.

The invention discloses a method for producing and collecting ganoderma spore powder by field earth covering and bagging culture. The method comprises the following steps of: A1, crushing raw materials, namely collecting miscellaneous trees and crushing the collected miscellaneous trees into grains with the diameter of between 0.6 and 1cm for later use; A2, making bacteria bags, namely weighing miscellaneous tree sawdust; sufficiently prewetting the miscellaneous tree sawdust for 12 hours by spraying water; weighing bran, dipotassium phosphate and gypsum; adding the bran, the dipotassium phosphate and the gypsum into the preset miscellaneous tree sawdust; mixing uniformly and stacking for 2 to 3 hours; adjusting the water content of a culture material to be about 65 percent and adjusting the pH of the culture material to be natural; bagging manually or mechanically; and sterilizing by using a sterilization stove under normal pressure; A3, inoculating and growing bacteria, namely after cooling sterilized material bags to the temperature of about 30DEG C, moving the material bags into an inoculation room for inoculating; performing bacteria growing culture on the inoculated material bags; and entering a ganoderma growing management stage when mycelium grows all over the material bags; A4, preparing and covering soil; A5, filming and growing ganoderma; A6, enclosing films along furrows; A7, capping films; and A8, controlling moisture and collecting powder.

The invention relates to a method for preparing fatty acid phytosterol esters, which comprises the following step of: esterifying fatty acid and phytosterol in the presence of one or more catalysts such as alumina, aluminum hydroxide, aluminum salt (such as aluminum chloride, aluminum sulfate, aluminum silicate and the like), oxide of other elements in IIIA family, phosphorus pentoxide, phosphoric acid, phosphate (such as sodium dihydrogen phosphate, dipotassium phosphate and the like), a molecular sieve and silica gel in effective catalysis amount. The invention also relates to the fatty acid phytosterol esters prepared by the method, and foods, soft capsules and cosmetics containing the phytosterol esters.

The invention relates to a nutrient for inhibiting sulfate reducing bacteria in oilfield water and application of the nutrient. The nutrient contains the following components by weight percent: 20-95 percent of cane molasses or beet molasses, and / or 1-45 percent of ammonium phosphate, and / or 0.5-10 percent of ammonium chloride, and / or 0.5-2.5 percent of ammonium sulfate, and / or 1-18.5 percent of ammonium nitrate, and / or 0.05-49 percent of sodium nitrate; and / or 0.05-1 percent of diammonium hydrogen phosphate, and / or 0.05-1.2 percent of disodium hydrogen phosphate, and / or 0.5-2 percent of dipotassium phosphate and / or 0.05-1.5 percent of potassium dihydrogen phosphate. The nutrient with weight accounting for 0.5-5 percent of weight of filled water is taken, is dissolved by using constructional injection water or oilfield surface water and is squeezed into stratum by a pump truck through a water injection well. The nutrient can activate nitrifying bacteria flora in source bacteria flora of stratum water or oilfield source water and can inhibit the growth of sulfate reducing bacteria. After 16 hours to 52 days, the content of sulfate reducing bacteria is 0-102 / mL. The yield of crude oil is increased by 10 percent to 30 percent.

The invention discloses a silk fibroin base integrated osteochondral two-layer bracket, preparation and application thereof. The preparation of the silk fibroin base integrated osteochondral two-layer bracket is carried out by the following steps of: respectively soaking parts of 1 / 2-3 / 4 height of a three-dimensional silk fibroin bracket in a calcium chloride ethanol solution, absolute ethyl alcohol, a dipotassium phosphate aqueous solution and de-ionized water; repeating the above operation for 1-15 times, taking the silk fibroin bracket finally soaked by the de-ionized water to soak in the calcium chloride ethanol solution for 5-30 min and subsequently using the de-ionized water to soak the silk fibroin bracket for 3-10 min and pre-calcify the three-dimensional silk fibroin bracket; then soaking the pre-calcified part of the three-dimensional silk fibroin bracket in a bionic calcium ion buffer solution and culturing for 4-8 days at a constant temperature of 37 DEG C to obtain the silk fibroin base integrated osteochondral two-layer bracket. In the pre-calcification process of the invention, the silk fibroin bracket can obtain a nucleating locus of hydroxyapatite crystals; and evenly dispersed weak crystallization nano hydroxyapatites are formed on the surfaces of the porous channels of the bracket by culturing the bracket in the bionic calcium ion buffer solution.

The invention discloses a mixed culture bacterial solution for quickly aging a new pit of strong aromatic Chinese spirits and a maintenance method, and belongs to the field of microorganisms. The mixed culture bacterial solution mainly contains 5-20 parts by weight of methanobacterium culture solution, 1-7 parts by weight of caproic acid bacterium culture solution and 15-30 parts by weight of liquid old pit mud; and the mixed culture bacterial solution is prepared through the following steps of: putting maternal draff, yellow water, medium-high temperature yeast for making hard liquor, yeast extract, sodium acetate and dipotassium phosphate into a fermentation container, performing heat treatment by using boiling water and closing the fermentation container; when the temperature in the fermentation container drops to 40 DEG C, adding the methanobacterium culture solution, the caproic acid bacterium culture solution and the liquid old pit mud as well as an alcohol to the container, full filling the fermentation container with cool boiled water and regulating the pH value to 6.5 to 7.0, and then cultivating at 33 to 37 DEG C. The mixed culture bacterial solution provided by the invention is capable of aging the pit mud more quickly and more efficiently; and therefore, a new method for improving the quality of Chinese spirits is provided.

The invention discloses a production method for microbe flocculant, which comprises the following steps: eudomonas fluoresce is inoculated into culture medium by volume ratio according to inoculum size of 1.5-3.0:100 and cultured for 30-48h in the temperature of 25-30 DEG C to prepare microbe flocculant; according to the concentration of formulation constituents in culture medium, the raw materialformulation of the culture medium is as follows: 5-8g / L amylaceum, 0.50-1.75g / L of peptone, 0.5-2.0g / L of monopotassium phosphate, 0.5-5.0g / L of dipotassium phosphate, 100-300mg / L of magnesium sulfate, 200-700mg / L of sodium chloride, and 10-60mg / L of ferrous sulphate; the NaOH is used for regulating Ph to be 6.0-8.0. The microbe flocculant produced by the method can obtain high flocculating rateand few adding amount; and the microbe flocculant is used for water treatment, thus being efficient, simple, convenient, and cheap.

The invention provides agricultural organic fertilizer which is prepared from the following raw materials in parts by weight: 20-25 parts of crop straw, 10-15 parts of animal waste, 5-10 parts of humic acid, 5-8 parts of dipotassium phosphate, 5-8 parts of corncob, 4-6 parts of peanut shell, 4-5 parts of urea, 4-5 parts of calcium superphosphate, 4-5 parts of light rare earth, 4-5 parts of zymophyte, 2-4 parts of magnesium phosphate, 1-2 parts of sodium molybdate, 1-2 parts of compound sodium nitrophenolate, 0.5-1 part of microelement additive, 0.5-1 part of synergist, 0.5-1 part of conditioning agent, 0.5-1 part of antiviral agent and 0.5-1 part of soil improving functional flora. The agricultural organic fertilizer provided by the invention has the advantages of sufficient nutrition and high uniformity and high stability of fertilizer efficiency and does not pollute environment to realize high environmental protection performance; moreover, by adding the soil improving functional flora into the raw materials of the agricultural organic fertilizer, the soil structure can be effectively improved, thus, the fertilizer efficiency of the organic fertilizer can be fully absorbed by crops, balanced growth of the crops is promoted, and the utilization rate of the agricultural organic fertilizer is increased.

The invention provides high-quality artificial pit mud in Baijiu production and a preparation method of the high-quality artificial pit mud in the Baijiu production. The high-quality artificial pit mud comprises the components of loess, lotus pond mud, aged pit mud, peat, yeast powder, silkworm chrysalis powder, bone meal, caproic acid bacteria solutions, dipotassium phosphate, sodium acetate, magnesium sulfate, ammonium sulfate, soybean cake powder, yellow water, after-run, pot bottom water and the like. The preparation method comprises the following steps: 1) selecting raw materials according to requirements, and weighing each component according to the proportion; 2) preparing the high-quality artificial pit mud, namely mixing and stirring uniformly according to the dry-to-wet order, controlling the water content within 40 to 45% by pot bottom water, adjusting the pH value within 6.0 to 6.8, beating the mud into a pit, covering the pit mud tightly by plastic cloth, and tucking four sides tightly; 3)carrying out natural fermentation cultivation on the artificial pit mud, controlling the pit entering temperature at 30 to 35 DEG C, and lasting the fermentation time for 30 to 60 days; testing to reach standards, thus obtaining the high-quality artificial pit mud. The high-quality artificial pit mud disclosed by the invention is simple in preparation, short in fermentation and aging time and good in effect, can be used for replacing the high-quality aged pit mud and put into production, and further has very good economic benefits and social benefits.

In order to solve the problems that the granules are non-uniform, the surface is provided with cracks and recesses and the compactness of the microcapsule wall is low in the conventional microcapsule product and the product is low in thermal solubility, low in emulsifying property and high in sugar content and has the soybean smell, the invention provides a walnut oil microcapsule and a preparation method thereof belonging to the technical field of oil microencapsulation. The walnut oil microcapsule is prepared by taking 15-25 parts of walnut oil, 0.6-3.4 part of sucrose ester and 1.5-3.2 parts of monoglyceride as the core material and taking 3-10 parts of cane sugar, 18.3-27.6 parts of maltodextrin, 17.6-28.3 parts of peanut protein isolate and 1.3-3.5 parts of dipotassium phosphate as the wall material. Therefore, the prepared walnut oil microcapsule has the advantages of smooth surface, uniform particle size and high compactness of microcapsule wall.

The invention relates to the field of safety monitoring of food microorganisms, and discloses a salmonella characteristic chromogenic liquid nutrient medium, a preparation method thereof and a rapid detection method of salmonella. The salmonella characteristic chromogenic liquid nutrient medium comprises the following main components: tryptone, yeast powder, sodium chloride, lithium chloride, sodium deoxycholate, dipotassium phosphate, combined inhibitor, combined accelerator, characteristic enzymolysis substrate and cosolvent. The rapid detection method disclosed by the invention comprises two steps, i.e. pre-enrichment culture and chromogenic identification, and is characterized in that salmonella characteristic enzyme hydrolyzes corresponding substrates to result in that the culture medium is purple, thus rapidly judging the existence of salmonella; and the addition of the accelerator contributes to recovering damaged cells of salmonella and promoting growth of salmonella; and the added inhibitor can selectively inhibit the growth of other competitors so as to reduce the interference on detection by the competitors. The detection method disclosed by the invention has the advantages of short detection period, strong specificity and high accuracy, is simple to operate and is suitable for large-throughput detection of salmonella in food.

A sugar-free vegetable butter without by-effect is prepared from water, partially hydrogenated vegetable oil, xylitol or D-xylose or maltose alcohol or sorbitol, sodium caseinate, glycerine ester of fatty acid, sodium stearyllactate, carboxymethyl cellulose, xanthan gum, dipotassium phosphate, edible salt and essence.

The invention discloses a traditional Chinese medicine microbiological feed additive as well as a preparation method and application thereof. The additive is prepared by fermenting cultures which contain Chinese herbal medicines, inorganic mineral trace elements, compounds and the like by using saccharomycetes, bacillus subtilis and lactobacillus. The preparation method comprises the following steps: firstly uniformly mixing five Chinese herbal medicines including pericarpium citri reticulatae, plantain herb, gynostemma pentaphylla, the root of Chinese pulsatilla and astragalus membranaceus with sodium selenite, ferrous sulfate, zinc sulfate, wheat brans, soybean cake powder, glucose and dipotassium phosphate, adding 25-32 percent of water, inoculating probiotics, performing solid fermentation for 2-3 days in an anaerobic environment, drying the fermented cultures by using a low-temperature fluidized bed until the water content is 8%-10%, crushing and sieving by using a sieve of which the size is 60 meshes to obtain the traditional Chinese medicine microbiological feed additive. An application method of the product is as follows: every 1 ton of livestock compound feed is added with 1kg of the additive, and the product disclosed by the invention can be used for preventing epidemic diseases and promoting the growth of animals.

The invention relates to an antibiotic deodorant. The antibiotic deodorant is an antibiotic deodorant product with plant cryptolepis sinensis sourced alkaloid and novel cryptolepine analogue as main active ingredients; the antibiotic deodorant comprises a weak acid regulator, dipotassium phosphate, a solubilizer, a metal chelate salt, cyclodextrin, active components and essence. Due to the adoption of the antibiotic deodorant provided by the invention, the odor in a cloth product can be removed, and bacteria and viruses generating or adhered in the cloth product can be removed effectively at the same time, so as to provide an excellent clean environment to users; in addition, with the plant cryptolepis sinensis sourced cryptolepine, and the novel cryptolepine and derivative thereof as the main active ingredients for removing bacterial and resisting viruses, the antibiotic deodorant is safe and effective, and the odor caused by bacteria can be removed fundamentally.

The invention relates to the field of lactobacillus fermentation and particularly relates to a lactobacillus fermentation culture medium and a process for producing lactic acid at high yield. The lactobacillus fermentation culture medium is composed of peptone, a beef extract, a yeast extract or yeast extract powder, glucose, sodium acetate, ammonium citrate, dipotassium phosphate, magnesium sulfate heptahydrate, manganese sulfate monohydrate, tween-80, inulin and water. Compared with the existing process for producing lactic acid through microbial fermentation, the process disclosed by the invention can be used for remarkably (P<0.05) prolonging the growth time of lactobacillus and remarkably (P<0.01) increasing the yield of lactic acid.

The invention discloses a potash feldspar utilization method by using which dipotassium phosphate can be prepared from potash feldspar, and meanwhile, other valuable byproducts can be prepared. The method comprises the steps of (1) crushing raw materials including potash feldspar, phosphate ore, limestone, dolomite and coke, mixing the raw materials, then, placing the mixture into an electric furnace to react, and discharging potassium carbonate generated in the reaction process out of the electric furnace along with yellow phosphorus gas; (2) collecting dust in a way that the temperature of the furnace gas is kept to be higher than the dew point temperature of yellow phosphorus and lower than the boiling temperature of potassium carbonate, and enabling the yellow phosphorus gas obtained through gas-solid separation to enter a subsequent phosphoric acid preparation process; (3) respectively transferring furnace slag generated by the electric furnace, recovered potassium carbonate and prepared phosphoric acid to the same reaction vessel to stir, mix and react, concentrating and filtering a liquid phase obtained after the reaction, then, crystallizing filtrate and dehydrating to obtain a dipotassium phosphate product, and dehydrating lower slurry obtained after the reaction to obtain a calcium hydrogen phosphate and magnesium hydrogen phosphate contained compound.

The invention discloses a liquid leaf fertilizer and manufacturing method, which comprises the following parts: 230g solid polyammonium phosphoric acid, 300g dipotassium hydrogen phosphate with 3 crystal water (k2HPO4 .3H2O), 20g aquacare, 430g water, 12g octal-sodium boric kernite, 5g zinc sulphate heptahydrate and 3g sodium nitride solution.

The invention discloses a conditioner for remediating organic contaminated soil by utilizing microbes. The conditioner comprises the following components in percentage by mass: 5-20% of microbial flora fermentation liquor, 20-50% of an organic improver and 30-75% of a culture medium, wherein the microbial flora relates to 19 bacterial genera comprising acinetobacter, micrococcaceae, bacillus, candida, trichoderma and aspergillus; the organic improver is one or several of diatomite, humus, straws, charcoal, saw dust, bagasse and plant ash; the culture medium contains monopotassium phosphate, dipotassium phosphate, ammonium sulfate, limestone and bean pulp. The conditioner disclosed by the invention contributes to degrading growth and reproduction of the microbial flora of organic pollutants, and can achieve effects of regulating the pH value of the soil and nutrition-allocated proportion of carbon, nitrogen and phosphorus, effectively improving the composition and structure of the organic contaminated soil and avoiding the phenomenon that the ventilation volume of soil is reduced due to hardening, so that the organic contaminated soil is effectively remediated.

The invention provides a low-temperature preparation method of sulfur-free expansible graphite. The sulfur-free expansible graphite is prepared from, by mass, natural flake graphite, potassium permanganate and perchloric acid according to the ratio of 1:(0.37-0.42):(8.5-9.0). The method includes the steps of mixing natural flake graphite with potassium permanganate, adding perchloric acid, conducting unceasing stirring, making the mixture react for 60-70 min at the temperature of 20-25 DEG C, soaking the mixed solution and a dipotassium phosphate solution for 60 min at the room temperature according to the volume ratio of 1:(2.0-2.5) after the reaction ends, conducting the secondary intercalation reaction, conducting water washing till the pH value is 5-7, conducting suction filtration and dehydration, conducting drying at the temperature of 60 DEG C to prepare the sulfur-free expansible graphite, and obtaining the expansible graphite capable of adsorbing oil type pollutant by conducting expansion in a muffle furnace at the temperature of 950 DEG C. The method is free of high-temperature operation, safety and energy conservation are achieved, no sulfur dioxide pollutant is generated, industrialized production can be easily achieved, the expansion volume of expansible graphite reaches 400-430 mL / g, and the oil adsorption effect is good.