672 results about "Inorganic phosphorus" patented technology

The invention discloses a transition metal phosphide/porous carbon anode composite material for a sodium-ion battery and a preparation method thereof. The composite material is formed by dispersive distribution of transition metal phosphide nano-particles in a porous carbon material. A preparation process of the composite material comprises the following steps of preparing a transition metal organic frame structure by transition metal salt and organic ligands through an in-situ growth method; respectively placing the transition metal organic frame structure and a phosphorus source on two ends of a tube furnace, heating the tube furnace, and meanwhile, circulating liquid inert gas into one end of the tube furnace with the inorganic phosphorus source to carry out heat treatment; and washing and drying a heat treatment product in sequence to obtain the composite material. The prepared transition metal phosphide/porous carbon anode composite material used as the anode material of the sodium-ion battery has high specific capacity, good rate capability, simple preparation method, low cost and wide industrial application prospect.

The present invention relates generally to methods of in vitro diagnostics, in particular the use of a compound selected from the group consisting of fibroblast growth factor 23 (FGF23), inorganic phosphorus (P), the product of inorganic phosphorus and total calcium (P×tCa), osteopontin (OPN) and parathyroid hormone (PTH) as biomarker. Said biomarkers can be used to monitor the modulation of fibroblast growth factor receptor (FGFR) kinase activity, in particular its inhibition, and/or the occurrence of secondary effects of FGFR inhibition. The invention further provides methods and kits relating to these uses.

The invention relates to a high salt-tolerant bacillus alitudinis with functions of heterotrophic nitrification-aerobic denitrification and phosphorous removal and application thereof to wastewater treatment. The bacillus alitudinis has strong high salt environment tolerance, grows well under a high-salt condition, and can metabolize by taking organic carbon as one and only carbon source and ammonia nitrogen as one and only nitrogen source; through the heterotrophic nitrification-aerobic denitrification, the ammonia nitrogen is directly converted into a gaseous product so as to achieve a denitrifying purpose; the bacillus alitudinis can also take nitrate nitrogen as one and only nitrogen source, the nitrate nitrogen is converted into a gaseous product through the aerobic denitrification; and under aerobic conditions inorganic phosphorus can be taken into a body and converted into a component of the body so as to realize a purpose of removing phosphorus in sewage. The bacillus alitudinis is applied to high-salt wastewater treatment, can achieve synchronization removal of nitrogen and phosphorus under a single aerobic condition, and provides a new way for solving a problem of biological removal of the nitrogen and phosphorus under the high-salt condition.

The invention relates to a non-woven fabric, in particular to a fire-retardant polypropylene non-woven fabric and a preparation method thereof. The preparation method comprises the following steps: using a polypropylene non-woven fabric as a substrate; covering a fire-retardant layer formed by a fire retardant on the surface of the substrate, wherein the fire retardant is an inorganic phosphorus fire retardant, an organic phosphorus fire retardant, a nitrogen-contained fire retardant or an intumescent fire retardant; impregnating the polypropylene non-woven fabric in a fire retardant aqueous solution with the concentration of 10-40 percent for 5-30 minutes; and then, drying at 40-65 DEG C, coiling and packaging. The environment-friendly fire retardant is adopted for the fire-retardant treatment of the polypropylene non-woven fabric so that the prepared fire retardant non-woven fabric has high oxygen index, good fire-retardant performance, flexibility, light texture, little residentialdeformation, favorable mechanical performance, simple and practical preparation process, good product performance, low cost and strong economy and practical values.

The invention provides a preparation method of a multielement biological phosphorus-potassium fertilizer. The preparation method comprises the steps of: carrying out mixing, fermenting and low-temperature drying technologies on low and medium grade phosphate rock powder treated by super-fine grinding, low and medium grade potassium-containing rock powder treated by super-fine grinding, organic matter, a compound bacteria preparation and a proper amount of molasses or water to obtain mineral biological phosphorus-potassium fertilizer which is rich in phosphorus and potassium; and then carrying out mixing, pelleting, low-temperature drying and the like on the mineral biological phosphorus-potassium fertilizer and a compound mixed inorganic fertilizer to obtain the multielement biological phosphorus-potassium fertilizer. The multielement biological phosphorus-potassium fertilizer not only improves the conversion rates of low and medium grade phosphate rock and potassium-containing rock, but also has the advantages of organic phosphorus-potassium fertilizer and inorganic phosphorus-potassium fertilizer and overcomes the defects of the organic phosphorus-potassium fertilizer and the inorganic phosphorus-potassium fertilizer at the same time. The preparation method is short in process flow, simple in technology, free from pollution, low in cost, good in fertilizer efficiency and stable in fertilizer efficiency.

The invention discloses bacillus subtilis CYY-25 and belongs to the field of microorganisms. The bacillus subtilis CYY-25 is preserved with the preservation number CGMCC No.8995 in China General Microbiological Culture Collection Center and is capable of producing cellulase when salinity ranges from 0% to 15%. The bacillus subtilis CYY-25 is capable of synthetizing IAA and siderophore, dissolving sparingly soluble inorganic phosphorus, promoting plant growth and well inhibiting multiple kinds of plant pathogenic fungi such as fusarium oxysporum, pyricularia oryzae, sclerotinia sclerotiorum, fusarium moniliforme and sclerotinia sclerotiorum, is of great significance to prevention and control of alfalfa root rot and is suitable for being developed and used as an agricultural fungicide.

The invention relates to a bacillus megatherium SJ-7 strain and an application thereof, and belongs to the technical field of organisms. Strain separation, purification and cultivation are carried out from the natural world by a common method, so as to obtain the bacillus megatherium (bacillus megatherium) SJ-7 strain; the bacillus megatherium SJ-7 strain is reserved in the Common Microorganism Center of the China Committee for Culture Collection of Microorganisms; the reservation number is CGMCC No.7169; and the bacillus megatherium SJ-7 strain has strong effects of solubilizing phosphate and potassium and fixing nitrogen, and has good antagonism on a plurality of disease funguses, and can be applied to preparation of a drug for preventing and treating plant fungi diseases. Compared with the reported other bacillus megatherium, the bacillus megatherium SJ-7 disclosed by the invention has the advantages that the bacillus megatherium SJ-7 has good effects of solubilizing potassium, degrading refractory inorganic phosphorus in soil, and fixing nitrogen, can promote plant growth, and has strong inhibitory action on a plurality of plant pathogenic fungi of causing a gibberellic disease, a cotton drooping disease, wheat sharp eyespot and botrytis.

Relating to new use of nano black phosphorus in the flame retardant field, the invention discloses a nano flame retardant for high polymer materials. The flame retardant is nano black phosphorus withat least a one-dimensional size of 0.5-100nm in a three-dimensional space, and includes black phosphorene, black phosphorus quantum dot, black phosphorus nanowire, black phosphorus nanoribbon, black phosphorus nanotube and other nanoscale black phosphorus products. Adding of the nano black phosphorus into a high polymer matrix material can effectively improve the material microstructure, overcomethe disadvantages of large particle, uneven dispersion, and poor compatibility with a polymer matrix in existing inorganic phosphorus flame retardants and the shortcomings of low phosphorus content, poor heat stability, easy migration, easy volatilization and the like in organic phosphorus-containing flame retardants. Nano black phosphorus has the characteristics of good flame retardant effect, low toxicity, low smoke, no halogen and the like, and is in line with the current green and environment-friendly development trend of flame retardants.

The invention relates to a process for producing 5'nucleotide. A penicillium citrinum strain M-71 is cultured by submerged fermentation to generate extracellular nuclease P1, 2.5 to 5 percent ribonucleic acid solution is degraded, of which, the degradation rate is more than 80 percent; foreign protein and residual ribonucleic acid are removed by using a high frequency vibrating screen, clean 5' nucleotide solution after impurity removal is subjected to ultrafiltration by a ceramic membrane to remove the macromolecular residual matters; and four columns filled with strong alkaline anion exchange resin are connected in series to one-time adsorb and elute and collect in multiple steps, four mononucleotide solutions are collected, and a nano filter membrane with the molecular weight of 300 daltons is selected for cutting, desalting, concentration, decoloration by active carbon, crystallization and drying to obtain the product. The process has the advantages of better separating four nucleotides, removing inorganic phosphorus by elution and ensuring the preparation of high-purity 5'nucleotide product, and according to HPLC tests, the purity of the product can reach between 98 and 102 percent.

The invention discloses a compound feed for broilers of 3 to 5 weeks and a preparation method of the compound feed. The compound feed comprises the following raw materials: corn, wheat, corn albumen powder, corn alcohol dregs, bean pulp, peanut meal, grease for the feed, mountain flour, calcium hydrogen phosphate, table salt, synthetic lysine, synthetic methionine, synthetic threonine, choline chloride, a composite vitamin premix, a composite trace element premix and liquid phytase. The preparation method comprises the following steps of: crushing; mixing uniformly, and granulating; and uniformly spraying the liquid phytase onto the surfaces of feed granules obtained by granulating. The compound feed has the advantages that: the nutritional requirements of the broilers of 3 to 5 weeks on phosphorus are met, the using amount of inorganic phosphorus raw materials in the feed is reduced, and the pollution of the phosphorus in excrement to the environment is reduced; and the enzyme activity of the phytase is kept to the maximum limit by spraying the liquid phytase onto the surfaces of the feed granules after granulation is finished.

The invention relates to an exogenous composite enzyme preparation special for feed industry and a preparation method and application thereof. The composite enzyme preparation comprises five kinds of water-soluble non-starch polysaccharide enzyme and phytase, namely xylanase, dextranase, mannose, cellulase and pectase. The activity mixture ratio of the contained water-soluble non-starch polysaccharide enzyme to the contained phytase is designed according to the kinds and the contents of the non-starch polysaccharide and the phytase in raw materials of a common feed, the synergistic effect between two kinds of the enzymes can be fully achieved, and the most scientific and economic mixture ratio is provided. The exogenous composite enzyme preparation can improve the degradation efficiency of non-starch polysaccharide anti-nutritional factors and phytic acid in the feed, remove the anti-nutritional effect thereof, improve the absorption and conversion rate of the feed and the utilization rate of phosphorus in the feed, substantially reduce the dosage of inorganic phosphorus and the production cost, bring considerable economic benefit to feed processing enterprises and farmers, greatly reduce the contents of nitrogen and phosphorus in animal excrement so as to reduce environmental pollution, and has remarkable social benefit.

The invention discloses a comprehensive treatment and resource utilization method for an industrial organic phosphorus waste liquid. The technology includes firstly the industrial organic phosphorus waste liquid allows organic phosphorus to be oxidized into inorganic phosphorus by a catalytic wet oxidation method, then the inorganic phosphorus material is subjected to evaporation, concentration and desalination, small-molecule organic matters generated from oxidation are removed, the material after concentration is subjected to high temperature treatment, and a solid product is recycled. Through the method of the invention, the waste liquid can be avoided from being directly subjected to a high temperature contact oxidation process to possibly generate nitrogen oxides, dioxin, smoke dust and other air pollution factors difficult to deal with, and secondary pollution cannot be generated. The waste liquid after treatment is appropriately blended to be transformed into pyrophosphate, polyphosphate, metaphosphate, orthophosphate and other substances according to needs, so that recycling and reutilization of phosphorus is achieved.

The invention relates to a compound flame-retardant adhesive of high-strength polyester filament fabric and a finishing method. The compound flame-retardant adhesive is composed of a base coat A adhesive of the inorganic phosphorus series and a topcoat B adhesive of the bromine- antimony series. The flame-retardant finishing method is characterized in that the one-side coated flame retardant is coated first and then is waterproof, thereby the thick and heavy high-strength polyester filament fabric will have a good flame-retardant effect, and the dosage of the flame-retardant adhesive do not need to exceed 50 percent of the weight of the fabric in general. The compound flame-retardant adhesive has the advantages that: the appearance influence caused by adhesive leakage and defects can be avoided; and the fabric can obtain a good flame-retardant and waterproof performance simultaneously.

The invention discloses an Azorhizobium strain SCAUs152 and application thereof. The strain is a new strain which is separated and purified from fresh soybean root nodules and belongs to Rhizobium. The strain is collected to China Center for Type Culture Collection of Wuhan University on March 14th, 2014, and the collection number is CCTCC NO.M2014085. The strain is applied to production of Sichuan soybeans. The Azorhizobium strain SCAUs152 is a favorable broad-spectrum Rhizobium japonicum strain with high symbiotic fixation capacity, wide application range of Sichuan soybean species, IAA (indoleacetic acid) secretion capacity, capacities for dissolving inorganic phosphorus, organic phosphorus and potassium and high stress tolerance. The strain has favorable matching affinity with Sichuan dominant bean species, and can enhance the soybean yield by more than 23% in different ecological regions where no nitrogen fertilizer is applied and the Azorhizobium strain SCAUs152 is inoculated, which is much different from the regions where the Azorhizobium strain SCAUs152 is not inoculated.

The invention provides a polysaccharide-based additive pre-mixed pig feed, containing 0.001-1.0 weight percentage of immune polysaccharide; the invention uses the immune polysaccharide to enhance the animal immunity so as to improve the antiviral ability of the organism; through the scientific combination of formulas, though no antibiotic is needed in the feed to serve as feed medical additive, the feed can ensure health-care and growth of the pigs to enhance the survival rate and prevent toxic residual on the pork products. At the same time, through the balance of nutrients in the pig feed formulas, the invention greatly reduces the using amount of copper, iron, zinc and other metal trace element feed additives and inorganic phosphorus, thereby reducing the pollution to the environment caused by the undigested copper, iron, zinc and other metal trace elements in the feed.

The invention discloses wheat rhizosphere paenibacillus polymyxa WXD 6-4, and belongs to the field of biotechnology. The wheat rhizosphere paenibacillus polymyxa WXD 6-4 is classified and named as paenibacillus polymyxa, which is preserved in China General Microbiological Culture Collection Center with preservation number of CGMCC No. 8997. The wheat rhizosphere paenibacillus polymyxa WXD 6-4 disclosed by the invention can be used for synthesizing IAA and siderophore to dissolve insoluble inorganic phosphorus, so as to promote growth of plants, and fermentation broth can take a good inhibitory effect on cochliobolus sativus, fusarium moniliforme, fusarium oxysporum, botryis cinerea and like plant pathogenic fungi; and the wheat rhizosphere paenibacillus polymyxa WXD 6-4 is of great significance to the prevention and control of wheat root rot, and is suitable for development and utilization as an agricultural fungus.

The invention discloses an aquaculture microorganism substrate improver having a triplet efficacy and a preparation method thereof. A high viable content can still be kept in the production and transportation process, and the effect of the viable content can still be efficiently played under a low-oxygen-solubility condition on the bottom of a pond. Organic substances such as bait residues and manure can be decomposed, and the pathogenic microorganism can be inhibited; organic phosphorus in the water is converted into inorganic phosphorus, and the growth of phytoplankton is promoted; nitrite nitrogen in the water is converted to nitrogen to removal water, so that the content of the water nitrite nitrogen is reduced; and heavy metal ions are chelated, so that the toxicity of heavy metal is reduced, a triplet efficacy of bottom improvement, water regulation and detoxication can be realized, and the water environment is comprehensively improved. The aquaculture microorganism substrate improver is prepared from the following components in parts by weight: 1 to 3 parts of zeolite powder, 2 to 8 parts of bentonite, 0.5 to 4 parts of diatomite, 1 to 3 parts of polyglutamic acid powder, and 2 to 8 parts of composite probiotics powder.

The invention discloses burkholderia multivorans WS FJ9 which is separated from the soil at the root of the pine and can dissolve the slightly-soluble inorganic phosphorus and organic phosphorus efficiently and the application of the burkholderia multivorans. The WS FJ9 burkholderia multivorans is collected in the CCTCC (China Center for Type Culture Collection) on December 1, 2011 and has a collection number of No. M2011435. The burkholderia multivorans WS FJ9 has strong tricalcium phosphate, aluminum phosphate and lecithin dissolving effect under the condition of submerged culture, is very different from the contrast, has strong sphaeropsissapinea inhibiting activity and can be prepared into a microbial inoculum inoculated to the wetland pine to promote the growth of the pine. The invention provided an excellent strain resource for the development of the biological fertilizer for the pine.

The invention describes a preparation method of a metal phosphide type hydrocracking catalyst. The method comprises the following steps of (1) preparing a catalyst carrier containing a molecular sieve and an inorganic refractory oxide; (2) preparing a dipping solution containing a VIB group metallic compound, a VIII group metallic compound and an inorganic phosphorus-containing compound; (3) dipping the catalyst carrier obtained for the step (1) with the dipping solution prepared by the step (2), and then drying the dipped material; and (4) performing hydrogen activation on the material obtained from the step (4), obtaining the hydrocracking catalyst used for hydrocracking reactions after the activation. The hydrocracking catalyst prepared by the method has outstanding usage performance, and is particularly suitable for a hydrocracking process of increasing middle distillates.

The invention relates to a method for processing incineration fly ash with a composite medicament. The method which adopts a medicament A combined inorganic phosphorus medicament and a medicament B organic sulfur chelating agent as heavy metal stabilizing agents comprises the following steps: 1, mixing the incineration fly ash with an aqueous solution of the medicament A, and stirring for 10-30min to uniformly mix the flash ash with the medicament A to obtain a mortar A; 2, mixing the mortar A with an aqueous solution of the medicament B, and stirring for 10-30min to uniformly mix the flash ash with the medicament B to obtain a mortar B; and 3, maintaining the mortar B under natural ventilation conditions for over 24h, and preferably 24-36h to make effective components in the composite medicament be fully reacted with heavy metals in the flash ash, and conveying to a safe landfill. By adopting the method in the invention, the inorganic phosphorus medicament and the organic sulfur medicament mutually compensate each other, so the heavy metals in the incineration fly ash are efficiently stabilized, the usage amount of the composite medicament is reduced, and the flash ash processing cost is reduced.

The invention relates a phosphorus removing agent and a method for removing inorganic phosphorus from wastewater containing high concentration phosphorus, belonging to the technical field of wastewater treatment and environmental protection engineering. The phosphorus removing agent comprises the following components by weight percent: 50-80% of compound containing calcium, 5-20% of compound containing aluminum, 5-10% of compound containing iron and 10-20% of silicon additive. The invention also provides a preparation method of the phosphorus removing agent and a method for removing phosphorus by using the phosphorus removing agent. By using the phosphorus removing agent of the invention to treat the wastewater containing phosphorus, the phosphorus concentration of the effluent reach the integrated wastewater discharge standard. The phosphorus removing agent of the invention has low cost and good effect, thus having good industrialized application prospects.

The invention relates to a phosphorus-nitrogen-boron wood flame retardant, which is characterized in that the range of each component name and weight percentage of the compositions comprises: 70 to 80 percent of 8-sodium diborate and 18 to 30 percent of one or two of inorganic phosphorus-nitrogen compound and water soluble ammonium polyphosphate, wherein the inorganic phosphorus-nitrogen compound is one or more of ammonium phosphate, diammonium phosphate and monoammonium phosphate. A germicide with the weight percentage of between 0.7 and 3 percent or/and a staining agent with the weight percentage of between 0.7 and 7 percent can be added to the phosphorus-nitrogen-boron wood flame retardant, wherein the germicide is one or more of chlorothalonil, sanmate and tebuconazol; and the staining agent is one or more of malachite green, alkali red, alkali blue, alkali yellow and alkali black. The phosphorus-nitrogen-boron wood flame retardant can be dissolved in water and the concentration of the wood flame retardant is less than or equal to 20 percent. Wood subjected to treatment through the phosphorus-nitrogen-boron wood flame retardant has the effects of good flame retardant effect, small hygroscopicity, corrosion resistance, insect prevention, mildew prevention, more color change and so on. The phosphorus-nitrogen-boron wood flame retardant has the advantages of low toxicity, no chlorine and lower cost.