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699results about How to "Adjust pH" patented technology

Iron-based bio-char material, preparation process thereof, and application thereof in soil pollution treatment

The invention relates to the technical field of soil heavy metal remediation, and specifically discloses a method for preparing an iron-based bio-char material, a prepared iron-based bio-char material, and a method for applying the iron-based bio-char material in treating soil heavy metal pollution. According to the material, biomass is adopted as a raw material; a high-temperature carbonization method is adopted; during the bio-char preparation process, an iron-containing compound is added, such that iron is doped according to a certain ratio, and the iron-based bio-char material with special structure and function is formed. The material has the advantages of simple preparation process, low production cost, and short production period. The obtained iron-based bio-char material has a unique effect in repairing arsenic-cadmium composite polluted soil. With the material, bio-availability of arsenic and cadmium in soil can be effectively reduced, arsenic and cadmium contents in agricultural products planted in the arsenic-cadmium composite polluted soil can be greatly reduced, and no toxic or side effect is caused on crops. The material is safe to apply, and can be used in a large scale in treatment of arsenic-cadmium composite polluted soil.
Owner:GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI

Fertilizer special for tea trees

The invention applies to the tea crop production, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in tea crop cultivation. The invention relates to a liquid fertilizer containing microorganisms, organic matters and inorganic matters. The fertilizer adopts biological technology and electrolysis technology which complement each other, takes micro-organisms and mineralized substances as additive, as well as combines with nutritional formula (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, bacterial protein, amino acid, humus, plant nucleic acid, B vitamins, active enzymes and unknown factors which promote crop growth), so as to provide adequate nutrition for crops and improve soil to make the soil conducive to tea crop cultivation. Through biotechnology, the micro-organisms in a dormant state are added to the fertilizer and are activated under favorable environmental conditions to decompose the animal and plant residues, pesticides, fertilizers, heavy metal residues and minerals in the soil so as to change the contents of nitrogen, phosphorus and potassium. Through electrolysis technology, the mineralized substance additive enables the soil to produce a chain reaction to moisture and oxygen supply, so as to gradually change the ion charge in the soil, increase the soil oxygen supply amount, improve the moisture infiltration capacity and strengthen the conditions for microbial activities.
Owner:XINJIANG PUDESHI BIOLOGICAL

Composite soil conditioner

InactiveCN104788263AAdjust pHControl heavy metal contentFertilizer mixturesEcological environmentNutrition
The invention discloses a composite soil conditioner which belongs to the technical field of fertilizers, and mainly includes the following raw materials in parts by weight: 100-500 parts of humic acid with 45% of organic matter, 0.5-2 parts of ferrous sulfate, 8-100 parts of polyglutamic acid, 15-150 parts of polyaspartic acid, 1-50 parts of earthworm powder, 12-180 parts of shell powder, 10-50 parts of soybean cakes, 1-10 parts of amino-oligosaccharin, 10-30 parts of attapulgite powder and 10-20 parts of microorganism composite zymophyte. The composite soil conditioner provided by the invention can provide nutrition, adjust and balance the pH value of soil, adjust the soil microflora, improves the water retention, fertilizer maintenance and breathability of soil, degrade organic pollutants, releases phosphorus and potassium, has the antagonism function to heavy metals or can be used for precipitating heavy metals, reduces absorption of crops to heavy metals, and has the multiple conditioning functions of detoxifying the soil, building up fertility, improving the physical properties and micro-ecological environment of soil.
Owner:王龙潮 +1

Biostimulation method for remediation of oil-polluted soil

The invention discloses a biostimulation method for remediation of oil-polluted soil. In the method, on the premise of not adding an oil pollutant biodegrading bacterial agent, a soil conditioner is added to improve the soil environment, reduce soil stickiness, increase the soil permeability, adjust the water-retaining capacity of the soil, adjust inorganic and organic nutrients necessary for local microbe growth, maintain the pH value of the soil close to neutrality, promote oil pollutant degrading microbes in the soil to grow and propagate, and improve the oil pollutant degrading efficiency of the local microbes; by planting plants, the microenvironment of the soil near root systems of the plants is improved, the plants secrete organics with low molecular weight such as amino acid to the root systems so as to stimulate the massive propagation of the local microbes and indirectly promote oil pollutant degradation by the microbes of the root systems; and the biostimulation method has the advantages of accelerating the remediation of the oil-polluted soil and restoring the original state of the soil.
Owner:SINOPEC PETROLEUM ENG DESIGN

Liquid compound biological fertilizer with long shelf life as well as preparation method and application thereof

The invention relates to a liquid compound biological fertilizer with long shelf life as well as a preparation method and application thereof. The liquid compound biological bacterial fertilizer comprises the following components in parts by weight: 2-5 parts of microbial thalli, 80-130 parts of compound nutrients, 10-30 parts of thalli protective agents and 0.5-3.0 parts of additives, wherein the microbial thalli is metered in terms of the wet weight of deposition obtained after fermentation liquor is centrifugalized, the microbial thalli include bacillus thuringiensis, bacillus megaterium, bacillus mucilaginosus and bacillus amyloliquefaciens, and the total viable count achieves 5*10<8>-5*10<9> / mL. The liquid compound biological bacterial fertilizer disclosed by the invention can be used as a biological pesticide, can be directly applied to the spraying of plant surfaces or applied to seed soaking, root irrigation, and the like, has the effects of insect resistance, phosphate solubilization, potassium solubilization, organic matter solubilization, pest resistance, and the like and is long in shelf life.
Owner:天津北洋百川生物技术有限公司

Preparation method of metallic nano powder

InactiveCN1442260AReunion looseGood dispersionDispersityNanometre
A process for preparing nano-class metal particles by dual-pouring method features that under the existance of protector and regulator, the metallic salt is reduced by reducing agent to obtain one ormore (30-100 nm) metallic particles. Its advantages are high dispersity, easy control of diameter, high output rate up to 95%, and preparing the particles of more metals by a single equipment.
Owner:TIANJIN ZHONGKE PHYSICAL & CHEM NEW MATERIAL TECH CO LTD

Probiotic preparation and preparing method and application thereof

The invention relates to the field of aquaculture and discloses a probiotic preparation and a preparing method and application thereof. The probiotic preparation is prepared from bacillus, lactic acidbacteria, saccharomycetes and photosynthetic bacteria through liquid fermentation. The bacillus consists of bacillus subtilis and bacillus natto. The lactic acid bacteria consist of lactobacillus plantarum, lactobacillus acidophilus and lactobacillus casei. The saccharomycetes consist of candida utilis and saccharomyces cerevisiae. Rhodopseudomonas palustris severs as the photosynthetic bacteria.According to the probiotic preparation, ammonia nitrogen and nitrite in an aquaculture water body can be effectively degraded, water body organic matter is decomposed, the pH value of the water bodyis adjusted, the content of dissolved oxygen of the water body is increased, and meanwhile, harmful pathogens in the aquaculture water body can further be inhibited; and in addition, the probiotic preparation can further improve the micro-ecological environment of intestinal tracts of aquatic animals, adjust balance of intestinal flora and inhibit the growth of harmful bacteria, thus nutrient absorption is increased advantageously, and the feed utilization rate is increased.
Owner:XIAMEN HUIYING ANIMAL TECH

Organic compound fertilizer with citrus pomace and preparation method of organic compound fertilizer

The invention discloses an organic compound fertilizer with citrus pomace and a preparation method of the organic compound fertilizer and belongs to the technical field of preparation of organic fertilizers. The preparation method comprises the following steps of reducing the acidity of the citrus pomace by adopting microbial fermentation for deacidification, decomposing nondegradable components such as pectin and cellulose in the citrus pomace by adopting a compound-enzyme preparation, carrying out composting fermentation by microbial liquid inoculant, finally adding batched materials such as urea, monoammonium phosphate and potassium sulfate, and carrying out insect killing, sterilization, granulation, drying, cooling, sieving, coating and packaging to prepare the organic compound fertilizer with rich organic matter and the contents of N, P and K meeting the need of the optimal proportion for growth of citrus. The organic compound fertilizer and the preparation method disclosed by the invention have the advantages that deacidifying yeast is adopted to reduce the acidity of the citrus pomace and replace the existing method for adding quick lime to carry out deacidification, calcification and alkalization of soil are effectively prevented, the content of the compound fertilizer is more than 55%, the pH value is 6.5-8.5, the total contents of N, P and K are more than or equal to 8%, the water content is less than or equal to 20%, the contents of trace elements such as B, Zn and Mg are rich, and the other quality indexes are superior to national standard of organic fertilizer respectively.
Owner:重庆圣沛农业科技有限公司

Special fertilizer for strawberry

The invention relates to a special fertilizer for strawberry. The fertilizer is used for strawberry crops. By using the fertilizer, the structure of soil is improved, moisture, oxygen and nutrition are provided and yield and quality of the strawberry are improved. The invention relates to a fertilizer containing microorganisms and organic and inorganic matters. The fertilizer is prepared by using a biological and electrolysis technique and adding nutrient formulas (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, mycoprotein amino acid, humus, plant nucleic acid, Vitamin B, active enzymes and unknown factors for promoting growth of crops) based on microorganisms and mineralized substances as additives, and the obtained fertilizer can be used for modifying the soil so as to be beneficial to strawberry plant. Through the biological technique, the microorganisms in a dormant state are injected to the fertilizer. The microorganisms are activated under the beneficial environment, so as to decompose animal and plant residual bodies, pesticides, chemical manures, heavy metal residual hazards and minerals in the soil to further change the contents of nitrogen, phosphorus and potassium; and through the electrolysis technique, the soil generates chain reactions on moisture and oxygen supply by using the mineral additives so as to gradually change ion charges in the soil, increase soil oxygen supply amount, improve permeable capability of the moisture and enhance activity of the microorganisms.
Owner:XINJIANG PUDESHI BIOLOGICAL

Maca functional beverage and preparation method thereof

The invention discloses a maca functional beverage and a preparation method thereof. The maca functional beverage contains maca, citric acid and water. The preparation method comprises the following steps of crushing maca into fine powder, mixing the maca fine powder and other raw materials, and carrying out homogenization treatment on the mixture. The maca functional beverage has high biologically-active substance content, is conducive to direct absorption of functional and nutritive components by drinkers, realizes complete combination of maca functionality, naturality and safety and is a novel health food and drink having a plurality of functions.
Owner:赵之光 +1

Method for preparing stalk charcoal and stalk vinegar liquid form stalks of cropper

A method for preparing straw charcoal and straw vinegar liquid includes placing agricultural straw into retort for pyrolytic reaction of 4-12 h. at 300-600 deg.C under condition of oxygen being isolated or being provided with limitation; obtaining straw charcoal from solids through drying, precharring, charring and calcining; obtaining straw vinegar liquid and combustible gas by arrying out gas-liquid separation of pyrolysis gas and sending combustible gas back to combustion chamber as heating source.
Owner:NANJING FORESTRY UNIV

Composite biological soil modifier and application thereof

The invention discloses an unpolluted, green and high-efficiency composite biological soil modifier which comprises the following components: trichoderma pseudokoningii fermentation liquor, bacillus subtilis fermentation liquor, water-soluble chitin, potassium humate and decomposed organic matter. The trichoderma pseudokoningii and the bacillus subtilis are high-efficiency bacterial strains which are obtained through screening and mutating, the trichoderma pseudokoningii fermentation liquor and the bacillus subtilis fermentation liquor are obtained by a liquor submerged fermentation technology, and the unpolluted, green and high-efficiency composite biological soil modifier can be prepared in a combination way. The soil modifier has the following functions that the physicochemical property of the soil can be improved, the hardening of the soil can be broken up, the volume weight of the soil can be reduced, the air permeability of the soil can be improved, the microbiological activity of the soil can be promoted, the growth of the plant root system can be promoted, the disease resistance of the crop can be enhanced, the yield of the crop can be improved, the quality of the crop can be improved, the original ecology of the crop can be recovered and the like, and the soil modifier is the novel soil modifier which is high-efficiency, environment-friendly and convenient to use.
Owner:山东靠山生物科技有限公司

Soil-structure conditioner capable of stabilizing yield and fixing carbon and preparation method and application thereof

The invention relates to a soil-structure conditioner capable of stabilizing yield and fixing carbon and a preparation method and application thereof. The soil-structure conditioner comprises, by weight, 30-90 parts of plant materials, 1-40 parts of mineral materials, 1-30 parts of animal materials and 1-10 parts of compound microbial agent. The soil-structure conditioner has the advantages that carbon fixing and emission reduction of soil can be promoted, the formation of granular structures can be promoted, the water retention ability of the soil can be increased, and effective water supply is increased; the soil-structure conditioner can regulate soil pH and lower or reduce aluminum toxicity; saline-alkali soil can be improved, and base saturation degree and cation exchange capacity of the soil can be regulated; an imbalanced soil nutrition system can be conditioned, and effective nutrition supply is promoted.
Owner:仲元(北京)绿色生物技术开发有限公司 +2

Remediation method of organic contaminant-heavy metal compound contaminated soil

The invention discloses a remediation method of organic contaminant-heavy metal compound contaminated soil. The remediation method comprises the following steps: adding persulfate into organic matter-heavy metal compound contaminated soil, and on the basis of effective oxidative degradation of organic contaminant, further using iron-based biochar for passivating heavy metals after playing an activating effect so as to achieve effective remediation of the organic matter-heavy metal compound contaminated soil. Compared with the method for remedying contaminated soil with single contamination by using the biochar or the persulfate, the remediation method provided by the invention has the advantages as follows: two methods are combined for remedying organic matter-heavy metal compound contamination, the persulfate is used for oxidizing organic matters and can fully mineralize the organic matters; for heavy metal contaminated soil, the persulfate can oxidize the heavy metals, and reduces the pH of the soil to cause an increase in the concentration of effective-state metal; the biochar fixes the heavy metals to the surface through adsorption, so that the bioavailability of the heavy metals is reduced.
Owner:GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI

Special compound fertilizer for watermelons and preparation method of special compound fertilizer

The invention discloses a special compound fertilizer for watermelons and a preparation method of the special compound fertilizer. The special compound fertilizer for watermelons comprises the following substances in parts by weight: 10-26 parts of high-quality candy pomace, 2-4 parts of fulvic acid, 1-4 parts of adhesive, 10-28 parts of urea, 8-20 parts of monoammonium phosphate, 2-15 parts of potassium sulfate, 20-30 parts of ammonium sulfate, 1-4 parts of trace elements, 2-5 parts of charcoal and 3-5 parts of traditional Chinese medicine. The preparation method comprises the following steps: grinding the previous substances, uniformly mixing, and granulating, thereby obtaining the special compound fertilizer for watermelons. The special compound fertilizer for watermelons disclosed by the invention has the quick effect of an inorganic fertilizer and also has the long-acting and slow-release effects of an organic fertilizer, the volume weight of the soil is reduced, the granular structure in the soil is increased, the pH value of the soil is regulated, the special compound fertilizer has the effects of effectively expelling insects and sterilizing, the sugar content of the watermelon fruits is improved, and the solid content is increased, so that the yield and quality of the watermelons are improved. Meanwhile, the orchard soil can be improved, the environment is protected, and the special compound fertilizer has wide application prospects in green fruit production.
Owner:安徽沃福农业生物科技股份有限公司

Antibacterial fabric, preparation technology thereof and textile thereof

The invention relates to the field of functional fabrics, in particular to an antibacterial fabric, a preparation technology of the antibacterial fabric and textile of the antibacterial fabric. The antibacterial fabric comprises, by weight, 10-20 parts of short fiber silk, 20-25 parts of anion polypropylene staple fibers, 15-25 parts of nano bamboo carbon fiber, 2-5 parts of nano-titanium dioxide, 5-10 parts of nano-silver fiber, 2-4 parts of anti-mite finishing agent, 3-8 parts of sweat-absorbent quick-drying processing agent, 12-18 parts of binder, 2-4 parts of dispersing agent, 3-5 parts of fabric softener and 80-85 parts of polyester cotton fiber. Due to the fact that the anion polypropylene staple fibers are added, effects of nerve stability, sleep improvement, inflammation diminishing and pain relief are provided. Due to the fact that the anti-mite finishing agent is added, trouble caused by mites to a human body can be effectively prevented. Due to the fact that the sweat-absorbent quick-drying processing agent is added, sweat generated by the body can be rapidly absorbed, discomfort can be reduced, and breeding of germs under a humid environment can be prevented. The antibacterial fabric can be applied to clothing, home textiles, sports goods, medical care, bacteria resistance and insect prevention textiles.
Owner:广东雄兴内衣实业有限公司

Fertilizer special for rice

A fertilizer special for rice comprises a base fertilizer and a foliage fertilizer. The base fertilizer is prepared from, by mass, 80-100 parts of a nitrogen, phosphorus and potassium compound fertilizer, 4-8 parts of medium and trace elements, 0.05-0.1 part of rare earth elements, 5-10 parts of quick lime, 60-100 parts of an organic fertilizer, 10-15 parts of fluorspar powder and 12-20 parts of vermiculite; the foliage fertilizer is prepared from, by mass, 10-15 parts of urea, 6-8 parts of potassium sulphate, 1-1.6 parts of magnesium sulfate, 1.2-1.8 parts of zinc sulfate, 0.8-1 part of borax, 0.5-0.8 part of sodium selenite, 1.2-1.6 parts of ferrous sulfate, 30-40 parts of amino acid, 20-25 parts of humic acid, 0.5-1 part of glycerol, 1.2-1.8 parts of Chinese herb extracts and 0.1-0.5 part of a plant regulator. According to the fertilizer special for the rice, multiple elements are compounded, the organic elements and the inorganic elements are combined, various nutritional ingredients achieve the synergistic effect, the nutrition is complete, slow-release growth is achieved, the utilization rate is high, the water retaining capacity and the fertilizer retaining capacity are good, the physical characteristics of soil are improved, the Chinese herbs achieve pest killing and fungus resisting, the safety is high, the rice quality is improved, and the rice yield is increased.
Owner:左邦庆

Chemical mechanical polishing aqueous dispersion preparation set, method of preparing chemical mechanical polishing aqueous dispersion, chemical mechanical polishing aqueous dispersion, and chemical mechanical polishing method

A chemical mechanical polishing aqueous dispersion preparation set including: a first composition which includes colloidal silica having an average primary particle diameter of 15 to 40 nm and a basic compound and has a pH of 8.0 to 11.0; and a second composition which includes poly(meth)acrylic acid and an organic acid having two or more carbonyl groups other than the poly(meth)acrylic acid and has a pH of 1.0 to 5.0.
Owner:JSR CORPORATIOON

Seaweed fertilizer comprising seaweed leach liquor and preparation method thereof

ActiveCN103304278AAchieve organic unityEfficient biological controlOrganic fertilisersDiseaseGibberellin
The invention relates to a seaweed fertilizer comprising a seaweed leach liquor. The seaweed fertilizer is prepared by the following steps: (1) seaweed extraction; (2) preparation of a fermentation medium; (3) inoculation and fermentation. The seaweed fertilizer provided by the invention is an active biological fungicide fertilizer of seaweed produced by pure physical and biological methods, and has the activity of seaweed and the living body adjusting function of biological fungicide. The number of effective living bacteria is greater than or equal to 2.0*10 to the power of 9 CFU / ml. Meanwhile, the fertilizer is rich in plant growth-regulating activity substances such as alginic acid, seaweed oligosaccharide, gibberellin (GA) and indoleacetic acid (IAA) biologically fermented, degraded and converted from seaweed gel. The fertilizer is directly absorbed by root systems of crops conveniently and fast in fertilizer efficiency, and can effectively accelerate high yield and early-ripe of plants, enhance the disease-resistance and improve the quality of crops, so that the fertilizer is an excellent special fertilizer for organic food.
Owner:QINGDAO BRIGHT MOON SEAWEED GROUP

Seawater-based fracturing fluid for fracturing sea high-temperature oil-gas reservoir

The invention discloses a seawater-based fracturing fluid for fracturing a sea high-temperature oil-gas reservoir and relates to the technical field of cross-linked gel fracturing fluid. The seawater-based fracturing fluid comprises a base solution, a cross-linking agent and a thickening agent, wherein the base solution comprises the components (in percentage by weight) in terms of the weight of the prepared seawater-based fracturing fluid total solution as follows: 0.3%-0.8% of thickening agent, 0.1%-0.3% of pH regulating agent, 0.1%-0.5% of discharge aiding agent and the balance being seawater; relative to the mass fraction of the base solution, the cross-linking agent is 0.4%-0.6%; and the thickening agent refers to guar gum, carboxy-methyl hydroxypropyl guar gum, hydroxypropyl guar gum, fenugreek gum or sesbania gum. The seawater-based fracturing fluid is adopted, so that the dissolving speed of the thickening agent is quick, and therefore, direct mixing and continuous constructing can be realized, and therefore, the seawater-based fracturing fluid is in particular suitable for the fracturing construction of the sea high-temperature oil-gas reservoir. Meanwhile, the fracturing fluid can be continuously sheared for 90 minutes under the conditions of 150 DEG C and 170s<-1>, so that the viscosity is kept to be 70mPa.s or more.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Liquid fertilizer special for dragon fruit

The invention applies to the dragon fruit production, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in dragon fruit cultivation. The invention relates to a liquid fertilizer containing microorganisms, organic matters and inorganic nutrients. The fertilizer adopts biological technology and electrolysis technology which complement each other, takes micro-organisms and mineralized substances as additive, as well as combines with nutritional formula (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, bacterial protein, amino acid, humus, plant nucleic acid, B vitamins, active enzymes and unknown factors which promote crop growth), so as to provide adequate nutrition for crops and improve soil to make the soil conducive to dragon fruit cultivation. Through biotechnology, the micro-organisms in a dormant state are added to the fertilizer and are activated under favorable environmental conditions to decompose the animal and plant residues, pesticides, fertilizers, heavy metal residues and minerals in the soil so as to change the contents of nitrogen, phosphorus and potassium. Through electrolysis technology, the mineralized substance additive enables the soil to produce a chain reaction to moisture and oxygen supply, so as to gradually change the ion charge in the soil, increase the soil oxygen supply amount, improve the moisture infiltration capacity and strengthen the conditions for microbial activities.
Owner:XINJIANG PUDESHI BIOLOGICAL

Planting method for organic rice in mountainous area

InactiveCN105104044AWith sustainable production capacityFull of nutritionSuperphosphatesAnimal huntingInsect pestOrganism
The invention discloses a planting method for organic rice in a mountainous area. The planting method includes the following steps of address selecting, field preparing, seed processing, sowing and seedling raising, seedling transplanting, insect pest treating, later-stage fertilizer managing, irrigation processing, harvesting and straw and rice husk processing. According to the planting method for the organic rice in the mountainous area, fertilizer and pesticides are not used in the planting process for preventing insect and diseases, a solar insect killing lamp is mainly adopted, and ducks, frogs and fishes are stocked in a paddy field. The solar insect killing lamp integrates energy conservation, environmental friendliness, safety, illumination and the function of inducing and killing mosquitoes and other insects, and the insect killing function is high. According to the planting method, ducks, carps and frogs are stocked into the field, not only insects are removed, and particularly, a biologic chain wherein mutualistic symbiosis of species and cyclic utilization are achieved is formed in the field. Duck manure is used for fertilizing the field so that fodder organisms are multiplied to be fed to ducks, and meanwhile the rice growth is also promoted. The organic rice is good in taste and high in nutrient content, and the organic rice in the mountainous area is full in seed and low in chaff and hull rate.
Owner:GUANGXI XIEJI AGRI DEV CO LTD

Alkali-free liquid accelerator and preparation method thereof

The invention provides an alkali-free liquid accelerator and a preparation method thereof and belongs to the technical field of concrete admixtures. The alkali-free liquid accelerator is prepared fromthe following raw materials: aluminum sulfate, ferrous sulfate, sodium fluoride, magnesium fluosilicate, precipitated hydrated magnesium silicate, diethanol amine and water. The alkali-free liquid accelerator has a good rapid hardening effect, can effectively shorten the coagulating and final setting time of concrete, and effectively improves the early strength and the later strength of concrete.The preparation method of the alkali-free liquid accelerator comprises the following steps: stirring water and precipitated hydrated magnesium silicate for 15-20 min at 40 DEG C; then adding ferroussulfate and sodium fluoride, and performing mixing and stirring for 8-15 min; after that, adding aluminum sulfate; performing heating up to 75-85 DEG C; after a reaction for 1 h, adding magnesium fluosilicate, and performing stirring for 20-40 min; and at last, adding diethanol amine, performing stirring for 18-25 min to prepare the alkali-free liquid accelerator. The preparation method is simple,the reaction is safe, and the prepared accelerator has good dispersibility.
Owner:PANZHIHUA CITY JIYUAN TECH

Method for preparing high water dispersibility titanium dioxide

The invention discloses a method for preparing a high water dispersibility titanium dioxide. The method comprises the following steps sequentially: a, adding a dispersing agent into a titanium dioxide slurry, and stirring uniformly; b, adding a phosphorus-containing solution, and curing; c, adding an aluminum sulfate solution to control the pH value of the titanium dioxide slurry to be 1.5 to 4.5, and curing; d, adding a sodium metaaluminate solution to control the pH value of the titanium dioxide slurry to be 8.5 to 10.5, and curing; e, adjusting the pH value of the titanium dioxide slurry to be 7.0 to 7.8, and curing; f, filtering, washing, drying, and pulverizing to obtain the high water dispersibility titanium dioxide. According to the method, before coating, the dispersing agent is added to improve a dispersing condition of the titanium dioxide slurry, then the phosphorus-containing solution and the aluminum-containing solution are used as a coating agent, and then the coating agent is deposited on the surface of titanium dioxide in forms of aluminum phosphate and hydrated alumina, so that the water dispersibility of a product is effectively improved, and the titanium dioxide product with the high water dispersibility is obtained.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP

Rosa roxburghii polysaccharide, as well as preparation method and application thereof

The invention discloses a rosa roxburghii polysaccharide, as well as a preparation method and application thereof. The preparation method mainly comprises raw material pretreatment, extraction, deproteinization, de-coloration, alcohol precipitation, as well as separation and purification, wherein the extraction is to mix pretreated rosa roxburghii dry powder and water in a mass volume ratio of (1to 15) to (1 to 35), and perform extraction at a temperature of 55 to 95 DEG C; perform centrifugal separation to obtain a rosa roxburghii polysaccharide extracting solution, and concentrate the rosaroxburghii polysaccharide extracting solution under reduced pressure to 1 / 3 to 1 / 6 of the original volume to obtain a concentrated solution of the rosa roxburghii polysaccharide. The rosa roxburghii polysaccharide prepared by the invention has the advantages of high purity and uniform molecular weight. Compared with the existing rosa roxburghii polysaccharide, as proved by in-vitro fermentation experiments, the rosa roxburghii polysaccharide disclosed by the invention can promote the generation of short-chain fatty acids such as acetic acid, propionic acid and butyric acid, promote the growthof beneficial bacteria such as lactic acid bacteria and bifidobacterium, and can be taken as prebiotics. Meanwhile, the rosa roxburghii polysaccharide can inhibit the activity of alpha-glucosidase, and can be applied to healthy foods or medicines having auxiliary therapy effects on intestinal diseases and diabetes mellitus.
Owner:SOUTH CHINA UNIV OF TECH

Spiral symmetrical flow anaerobic reactor

The invention relates to a spiral symmetrical flow anaerobic reactor, which comprises a water distribution region, a reaction region and a three-phase separation region, wherein the water distribution region, the reaction region and the three-phase separation region are respectively arranged on a reactor from bottom to top, the water distribution region comprises a bottom plate and a lower post body, the upper surface of the bottom plate is connected with the lower post body, the reaction region comprises a middle post body, the middle post body comprises a spiral flow reaction region and a free airspace region, a back flow pipe is arranged in the free airspace region, and a case of the three-phase separation region is respectively provided with a cone body, an upper post body and a coverplate from bottom to top. The spiral symmetrical flow anaerobic reactor has the advantages that the water distribution is uniform, the blockage is not easy to occur, the spiral symmetrical flow anaerobic reactor trends to the flat push flow state, the treatment efficiency is high, the liquid solid mass transfer effect is good, the organic load impact resistance capability is high, the intermediate product suppression is reduced, and the particle sludge and the recycled alkalinity can be effectively maintained.
Owner:DONGHUA UNIV

Saline-alkaline land soil conditioner, and preparation method and application thereof

The invention relates to the technical field of soil improvement, and concretely discloses a saline-alkaline land soil conditioner, and a preparation method and an application thereof. Raw materials of the conditioner comprise 400-600 parts of a biomass decomposed material, 150-242 parts of a pyroligneous liquor, 200-300 parts of charcoal powder, 4-10 parts of urea and 2-10 parts of a microbial agent. All the components are synergistically combined, so the conditioner contains abundant organic matters, provides favorable conditions for crop growth, can improve the physical and chemical properties of the soil and slowly release nutrients, improves the fertilizer utilization rate and the water holding capacity of the soil, effectively reduces the pH value of the soil and the salt content ina soil solution, delays accumulation of salt in the surface soil, and has a good improvement effect on saline-alkaline land soil.
Owner:南京三聚生物质新材料科技有限公司 +2

Fish collagen composite fruit flavored beverage and preparation method thereof

The invention relates to a beverage, in particular to a fish collagen composite fruit flavored beverage. The fish collagen composite fruit flavored beverage comprises, in parts by mass, 100 parts of purified water, 4 to 30 parts of fish collagen powder, 3 to 24 parts of berry powder, 2 to 10 parts of pomegranate fruit powder, 1 to 8 parts of pear cactus powder, 0.1 to 1 part of oligochitosan, 0.01 to 0.32 part of epigallocatechin gallate, 0.1 to 30 parts of functional sweeteners, and 0.1 to 1 part of an acidity agent. The fish collagen composite fruit flavored beverage disclosed by the invention is taken as a health drink which combines a variety of natural substances, and is scientific in formula, balanced in nutrition, fresh in fruity taste, and beneficial to firming and moisturizing skin, enhancing elasticity and keeping female reproductive health. The invention further provides a preparation method of the fish collagen composite fruit flavored beverage.
Owner:世茂(苏州)生物科技有限公司

Beneficiated material composite grain material for rhizomys growth period and preparation method thereof

The invention discloses a beneficiated material composite grain material for the rhizomys growth period and a preparation method thereof. The beneficiated material composite grain material is obtained through the steps of obtaining a feed formula according to the digestion physiological characteristic, the nutritional needs and the foraging behavior characteristic of the rhizomys growth and through filtering the fodder raw material and processing technic, and preparing by virtue of a certain processing technic; the prepared beneficiated material composite grain material is uniform in size, smooth in surface, uniform in length and color, suitable in hardness, extensive in source of feed, low in price, and easy to use. The beneficiated material composite grain material provided by the invention is especially applicable for the nutritional requirement of rhizomys in the growth period from weaning at age of 45 days to 4 months, the problems that rhizomys fodder is unbalanced in alimentation, slow in gaining weight, low in efficiency of feed utilization and diarrhea are solved, and the production performance and comprehensive economic benefit are improved.
Owner:GUANGXI NORMAL UNIV
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