61 results about "Organic phosphorus" patented technology

The application relates to the technical field of soil chemical analysis, and discloses a multi-component grading detection method and a detection system for phosphorus in soil, which comprises the following steps: placing a soil sample in a centrifugal tube, and sequentially completing continuous extraction of at least two levels of different extractants without sample transfer in the whole process; after extraction, using a quantitative nondestructive transfer kit to transfer soil residues to a digestion container; adopting a two-step digestion procedure of low-temperature pre-digestion and high-temperature complete digestion to digest the soil residues; and using potassium persulfate solution to rapidly digest part of the extractant containing organic phosphorus; the application also provides a detection system for realizing the method, which comprises an extraction module, an organic phosphorus processing module, a residue phosphorus processing module and a detection module. The application completes multi-step extraction in a single container and optimizes key digestion steps, effectively solves the inaccuracy problem caused by sample transfer loss in the prior art, and significantly improves operation safety and analysis efficiency.

This invention discloses a plant Priestia megaterium This invention relates to strain H1-8 and its applications, belonging to the field of beneficial bacteria technology. The invention provides a strain... Priestia megaterium Strain H1-8 was deposited at the China Center for Type Culture Collection (CCTCC) on December 18, 2025, with accession number CCTCC M 20252958. This strain exhibits high salt and alkali tolerance; it has the ability to reduce salinity (12.56%); and it also possesses nitrogen-fixing, potassium-solubilizing, organic phosphorus-solubilizing, inorganic phosphorus-solubilizing, protease-producing, and IAA-producing growth-promoting abilities. Under both normal and salt-alkali stress conditions, it significantly promotes the growth of both above-ground and below-ground parts of cucumber plants, increasing cucumber yield and improving cucumber quality. Furthermore, it can significantly promote the growth of horticultural plants such as tomatoes.

This invention belongs to the technical field of corrosion and scale inhibitors, and relates to a composite corrosion and scale inhibitor, its preparation method, and its application. The composite corrosion and scale inhibitor comprises, by weight percentage: 10%-20% phosphorus compound, 25%-40% polycarboxylic acid composition, 2%-5% organic amine compound, 2%-5% amino acid, 5-10% water-soluble inorganic metal salt, and deionized water to make up to 100%. This composite corrosion and scale inhibitor has a relatively low organic phosphorus content and overcomes the shortcomings of traditional single-agent agents, such as significant critical threshold effects and high environmental toxicity, through the synergistic effect of multiple components. Furthermore, it can be directly applied to weakly acidic water bodies with a pH less than 7.

This invention discloses a plant Bacillus marisflavi This invention relates to the ASR-60 strain and its applications, belonging to the field of beneficial bacteria technology. The invention provides a strain... Bacillus marisflavi The ASR-60 strain was deposited at the China Center for Type Culture Collection on July 14, 2025, with accession number CCTCC M 20251592. The strain exhibits high salt and alkali tolerance and the ability to reduce soil salinity by 18.67%. It also possesses growth-promoting abilities such as nitrogen fixation, potassium solubilization, organic phosphorus solubilization, inorganic phosphorus solubilization, protease production, and cellulase production. Under both normal and salt-alkali stress conditions, it can significantly promote the photosynthetic capacity of cucumber plants, the growth of both above-ground and underground parts, increase cucumber yield, and improve cucumber quality.

This invention relates to a method for preparing a cobalt-zirconium bimetallic composite catalyst, comprising: dissolving a soluble zirconium salt in deionized water; adjusting the pH by adding an alkaline precipitant dropwise while stirring to obtain a suspension A; subjecting suspension A to hydrothermal treatment, washing, and drying to obtain an amorphous powder; dispersing the amorphous powder in ultrapure water while stirring; adding a cobalt salt solution dropwise; adjusting the pH by adding an alkaline precipitant dropwise again; continuing stirring; filtering, washing, and drying to obtain a supported cobalt-zirconium bimetallic composite catalyst. This method is simple, energy-efficient, and can achieve uniform surface loading. This invention also relates to the composite catalyst prepared using this method and its applications. This invention can achieve efficient degradation of organophosphorus pollutants and simultaneous removal of their mineralization product, phosphate, effectively solving the technical problem that residual phosphate after organophosphorus degradation easily leads to eutrophication of water bodies in traditional technologies.

The present disclosure provides a high hydration resistance electrode foil and a preparation method thereof. The preparation method comprises: multi-stage formation of the electrode foil with a formation solution added with an organic phosphorus compound; and preparation of a super-hydrophobic high-dielectric coating on the surface of the electrode foil. The preparation method of the high hydration resistance electrode foil provided by the present disclosure can improve the efficiency and compactness of the oxide film generated on the surface of the electrode foil, improve the hydration resistance, and facilitate obtaining an electrode foil with high hydration resistance and high capacity.

The present application provides a kind of method for removing pesticide residue in ginger oleoresin, the method comprises the following steps: (1) with fatty acid as entrainer, organic phosphorus pesticide and ginger essential oil in ginger oleoresin raw material are separated by supercritical carbon dioxide extraction method;Wherein, extraction pressure is 10-18MPa, extraction temperature is 35-70 DEG C;(2) with ginger essential oil as entrainer, the material remaining in supercritical carbon dioxide extraction device in step (1) is extracted, and pesticide-free ginger oleoresin is separated;Wherein, extraction pressure is 18-40MPa, extraction temperature is 35-70 DEG C.The present application process is simple, low in cost, can be effectively applied to large-scale production, solve the problem that pesticide residue in ginger oleoresin product is overproof, gingerol content and pesticide residue can be completely separated, and clean, safe ginger extract product is prepared.

The present invention relates to a process of hydrogenating an alkyne selectively to an alkene by hydrogen using a hydrogenation catalyst which is palladium supported on a carrier in the presence of an additive mixture of an organic phosphorus compound (AP) and an organic sulphur compound (AS).

The application relates to a preparation method of an H2O2 modified Mg-MOF derived oxide and the use of the H2O2 modified Mg-MOF derived oxide in treating wastewater, and comprises the following steps: MgNO3.6H2O and AA are dissolved in a mixed solution composed of DMF, EtOH and deionized water; the solution is heated in a reaction kettle, and the crystal is collected after cooling; the crystal is calcined at high temperature to prepare a nano metal oxide MOF-MgO; the MOF-MgO is mixed with H2O2, and is subjected to magnetic stirring under the irradiation of a xenon lamp; after washing with pure water, the mixture is collected through suction filtration and is dried to obtain a hydrogen peroxide modified Mg-MOF material; by introducing O22‑ active components on the surface of the material, a Fenton-like system is constructed to realize synergy, so that the photocatalytic oxidation of organophosphorus, the adsorption and fixation recovery of orthophosphorus and the killing of bacteria and microalgae in water are simultaneously driven, and a brand-new synergistic solution is provided for the green recovery and harmless treatment of pollutants.

This invention discloses the construction and application of a multifunctional ratiometric fluorescence sensing platform based on aggregation-induced emission nanozymes, belonging to the field of nanocomposite materials technology. This invention involves the stepwise synthesis of a zirconium-based aggregation-induced emission metal-organic framework (Zr-TCPE) and cadmium telluride quantum dots (CdTe QDs), followed by the preparation of a Zr-TCPE / CdTe ratiometric fluorescent nanozyme using an electrostatic self-assembly method. In this composite material, Zr-TCPE exhibits organophosphorus hydrolase-like activity, specifically catalyzing the hydrolysis of para-oxygen and phosphorus, resulting in specific quenching of its fluorescence at 475 nm. Meanwhile, the fluorescence of CdTe QDs remains stable at 585 nm, enabling self-calibrated detection through the ratio of the two fluorescence signals. This invention features mild synthesis conditions and simple operation. The constructed sensing platform has a detection range spanning four orders of magnitude, a low detection limit, strong anti-interference ability, and excellent long-term stability over 24 days. It can be effectively used for rapid and highly sensitive detection of para-oxygen and phosphorus in complex samples of organophosphorus pesticides.

This invention discloses a cerium-iron-nitrogen-doped carbon nanozyme, its preparation method, and its applications, belonging to the field of environmental pollutant detection technology. The cerium-iron-nitrogen-doped carbon nanozyme disclosed in this invention is composed of a two-dimensional planar iron-nitrogen-carbon support and a surface-loaded hexanuclear cerium cluster catalytic center. This cerium-iron-nitrogen-doped carbon nanozyme possesses advantages such as structural stability, well-defined and diverse catalytic activities, and strong specificity for target analytes. It can efficiently catalyze the characteristic reactions of organophosphorus pesticides by mimicking the activities of various natural enzymes, achieving rapid and highly sensitive detection of these pesticides and efficiently degrading and recovering inorganic phosphates from organophosphorus pesticide residues.

This invention discloses a plant Rossellomorea marisflavi The XJ3-14 strain and its application belong to the field of beneficial bacteria technology. This invention provides... Rossellomorea marisflavi The XJ3-14 strain was isolated for the first time and deposited at the China Center for Type Culture Collection on April 3, 2025, with accession number CCTCC M 2025698. It exhibits good salt and alkali tolerance and can grow well on media containing 16% NaCl or pH 12. It also has the ability to reduce alkali, fix nitrogen, solubilize potassium, dissolve organic phosphorus, dissolve inorganic phosphorus, produce protease and cellulase. Under normal conditions and salt and alkali stress conditions, it can significantly promote the photosynthetic capacity of cucumber plants, the growth of above-ground and underground parts, increase cucumber yield, improve cucumber quality, and can also significantly promote the growth of tomato and other plant seedlings.

This invention relates to a microbiological strain for the treatment of eutrophication in urban landscape water bodies and its application. Specifically, it describes a strain for the treatment of eutrophication in urban landscape water bodies and its application. The strain used in this invention for the treatment of eutrophication in urban landscape water bodies is *Klebsiella variicola* SW-26, deposited at the China General Microbiological Culture Collection Center (CGMCC) with accession number CGMCC No. 37677. This strain is a *Klebsiella variicola* strain that combines the functions of organophosphate solubilization, nitrogen fixation, salt tolerance, and iron carrier production, providing a novel microbial technology solution for the treatment of eutrophication in urban landscape water bodies and showing promising prospects for industrial application.

The application provides an organic phosphorus poisoning relief composite enzyme and application thereof, and belongs to the technical field of biological medicine. The organic phosphorus poisoning relief composite enzyme provided by the application comprises polyethylene glycol modified organic phosphorus hydrolase and butyrylcholine esterase, and the mass ratio of the polyethylene glycol modified organic phosphorus hydrolase to the butyrylcholine esterase is (4-8):(2500-10000). The rat acute organic phosphorus poisoning treatment result shows that the organic phosphorus poisoning relief composite enzyme provided by the application fully plays the efficient catalytic hydrolysis capacity of the enzyme as a catalyst, efficiently removes organic phosphorus and acetylcholine by using the organic phosphorus hydrolase and the butyrylcholine esterase respectively, provides a drug combination for treating the cause for the organic phosphorus poisoning injury first aid, and the treatment effect is significantly better than that of the single drug.

The present application relates to the technical field of hydrolysis and electrocatalytic oxidation, and particularly relates to an electro-anode composite hydrolysis membrane capable of synchronously performing hydrolysis and by-product electrocatalytic oxidation reaction on organic phosphorus pollutants, and a preparation method and application thereof. The present application loads a composite conductive catalytic layer on a polyvinylidene fluoride membrane, wherein the composite conductive catalytic layer comprises multi-walled carbon nanotubes after acid treatment and a zirconium-based metal organic framework with zirconium as a metal center. Meanwhile, by virtue of the highly adjustable topological structure, large specific surface area of the metal organic framework and the high conductivity of carbon nanotubes, the electro-anode composite hydrolysis catalytic membrane is realized to continuously operate in a flow-through reactor, so as to increase the contact and oxidation efficiency of pollutants and the composite membrane interface, and overcome the problems of limited mass transfer and treatment of toxic by-products after hydrolysis of pollutants. The electro-anode composite membrane can realize the synchronous hydrolysis and degradation of toxic by-products on organic phosphorus pollutants.

The application discloses a high-bonding-strength epoxy liquid silicone rubber prepared by high-efficiency catalysis of ring-opening polymerization of cyclosiloxane monomers by using an organic phosphorus azide catalyst and application of the high-bonding-strength epoxy liquid silicone rubber as an adhesive. The high-bonding-strength epoxy liquid silicone rubber has the advantages of simple preparation process, high polymerization efficiency, short reaction time and mild reaction temperature, can be applied to the bonding of various polar and non-polar substrates, and has high practical application value.

The application discloses a biodegradable coated urea added with zirconium-based MOF nanocrystals with phosphatase activity and a preparation method and application thereof, and belongs to the technical field of fertilizers. The zirconium-based MOF nanocrystals with phosphatase activity are prepared, a solution of the zirconium-based MOF nanocrystals is mixed with urea and dried, polypropylene carbonate is used as a coating material, and then the biodegradable coated urea added with the zirconium-based MOF nanocrystals with phosphatase activity is prepared through a fluidized bed solvent method. The coated urea prepared in the application can realize nitrogen control release, hydrolyze soil organic phosphorus through the phosphatase activity of the Zr-MOF nanocrystals, realize the dual functions of continuous supply of nitrogen and in-situ activation of soil phosphorus, simultaneously meet the demand of crops for two core nutrient elements of nitrogen and phosphorus, significantly relieve the low-phosphorus stress of crops, promote the growth of the root system and the aboveground part of crops, and improve the biomass of crops.

The application discloses a garlic leaf blight biocontrol and growth promoting bacterium Bacillus sp.NWAFU 21-25 and application thereof, and belongs to the technical field of microbial biocontrol agents. Bacillus sp.NWAFU 21-25 was preserved in China Center for Type Culture Collection on January 23, 2026, and the address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 2026211; has the functions of nitrogen fixation, potassium dissolution, organic phosphorus dissolution, proteinase production and cellulase production; through garlic seedling anti-leaf blight experiments and garlic, cucumber and tomato seedling growth promotion experiments, it is shown that the biocontrol strain can significantly promote the growth and development of garlic, cucumber and tomato seedlings, significantly alleviate the damage symptoms of garlic leaf blight, and has good broad-spectrum resistance to plant diseases, thereby providing a beneficial reference for breeding of strains suitable for resisting garlic leaf blight and promoting growth.

This invention discloses a *Pantotheca acuminata* strain G6 with rhizosphere growth-promoting functions in crops and its applications, belonging to the field of microbial technology. This invention isolated a multifunctional growth-promoting strain from the rhizosphere soil of japonica rice in cold-region black soil and, after reorganization, obtained *Pantotheca acuminata* G6, whose preservation number is CGMCC No. 38430. The *Pantotheca acuminata* G6 provided by this invention has the functions of decomposing inorganic phosphorus, decomposing organic phosphorus, producing iron carriers, producing IAA, fixing nitrogen, and decomposing potassium. This invention also discloses the application of *Pantotheca acuminata* G6 in improving seed germination and seedling growth in crops. *Pantotheca acuminata* G6 has a strong growth-promoting ability, providing an excellent growth-promoting bacterial resource for crops such as japonica rice, corn, and soybeans in cold regions, and has promotional value.

A fluorine-free flame-retardant reclaimed PC / ABS material and a preparation method thereof. The fluorine-free flame-retardant reclaimed PC / ABS material is prepared from the following raw materials in percent by weight: 50%-85% of a modified recycled PC / ABS material, 2.5%-25% of a reinforcing resin, 3%-15% of a compatibilizer, 4%-9% of a flame retardant, 0.2%-4% of a lubricant, and 0.3%-2% of an antioxidant. The flame retardant consists of an organic phosphorus flame retardant and a phosphazene flame retardant. The modified recycled PC / ABS material is prepared from a recycled PC material, a recycled ABS material, a styrene-epoxy group copolymer, pentaerythritol triallyl ether, a silane coupling agent, and ester gum. A method for preparing the fluorine-free flame-retardant reclaimed PC / ABS material includes: raw material mixing, melt extrusion, and cooling and granulation. The fluorine-free flame-retardant reclaimed PC / ABS material prepared by the present application has good flame retardancy, wave transmission, impact resistance and fatigue resistance.

The application discloses an Erwinia persicina 2022TIBBST187 strain, which is classified and named as Erwinia persicina, is preserved in the China Center for Type Culture Collection, has a preservation number of CCTCC NO: M 2022872, is preserved on June 13, 2022, and is located at Wuhan University, Wuhan, China. The application also discloses application of the Erwinia persicina 2022TIBBST187 strain in biological control, plant growth promotion and stress resistance. The BST187 strain has the advantages of salt tolerance, efficient organic phosphorus degradation and the like, provides a good biocontrol resource for prevention and treatment of bacterial diseases of animals and plants, and provides an active ingredient with potential value for research and development of biological pesticides, i.e., andrimid, and has important application value in the field of biological control.

The application discloses a kind of homogeneous heat-insulating materials and preparation method thereof, belong to heat-insulating material technical field.The material of preparation includes: (1) the mixture of graphene oxide aqueous solution and metal salt, add sodium hydroxide or potassium hydroxide solution to obtain graphene oxide composite inorganic flame retardant solution;(2) to graphene oxide composite inorganic flame retardant solution join surface modifier, obtain the modified graphene oxide composite inorganic flame retardant of powdery;(3) 50-60 parts polyether polyol, 40-50 parts polyester polyol, 3-5 parts uniform foaming agent, 2-3 parts catalyst, 15-18 parts foaming agent, 80-100 parts modified expandable graphite, 160-220 parts modified graphene oxide composite inorganic flame retardant, 15-20 parts organic phosphorus flame retardant and 0.9-1.5 parts water are mixed to obtain mixed liquid;(4) 100-110 parts diisocyanate is added to mixed liquid, after stirring, pour into mould to carry out foaming and curing, i.e.get.The method process is simple, production cost is low and flame-retardant performance, heat-insulating performance, mechanical property and thermal stability are all higher.

The application discloses a method for determining organic phosphorus components of high-organic-matter soil, which comprises a decoloring step: adding KMnO4 solution drop by drop into a liquid to be decolored until the liquid to be decolored is purple red, then adding ascorbic acid solution to neutralize the excessive KMnO4, completing the decoloring, and obtaining a decolored liquid. The application can oxidize and dissolve organic matters in the liquid to be measured by adding KMnO4 solution, then neutralize the excessive KMnO4 with ascorbic acid solution, so that the liquid to be measured becomes colorless and clear, and the decoloring purpose is achieved. The use of ascorbic acid to neutralize the excessive potassium permanganate can not introduce other substances into the liquid to be measured, so that other possible errors can be avoided. The application can more accurately determine various forms of Pi by KMnO4 decoloring, so that more accurate soil organic phosphorus components can be obtained.

This invention belongs to the field of flame retardant technology, specifically a novel halogen-free phosphorus-nitrogen synergistic flame retardant for optical cable materials. By weight, it comprises: 35-50 parts of a phosphorus-based flame retardant main agent, 25-40 parts of a nitrogen-based flame retardant main agent, 5-15 parts of a synergistic enhancer, 3-8 parts of a compatibility modifier, 2-5 parts of an anti-exudation agent, and 1-3 parts of a heat stabilizer; the phosphorus-based flame retardant main agent is a compound of halogen-free organophosphorus compounds and inorganic phosphorus compounds; the nitrogen-based flame retardant main agent is a compound of melamine derivatives and low-free-formaldehyde urea-formaldehyde resin; and the synergistic enhancer is a compound of nano-magnesium hydroxide and organically modified montmorillonite. The flame retardant of this invention is halogen-free and environmentally friendly, complies with international and domestic environmental regulations, has high flame retardant efficiency, and can achieve UL94 V-0 rating for optical cable materials with an addition of 15%-20%. It also has good compatibility with optical cable material substrates, excellent thermal stability, and controllable cost, making it suitable for large-scale industrial production. It can be widely used in the flame retardant modification of optical cable sheaths and insulation layers in densely populated indoor places such as office buildings and residences.

This application relates to the field of microbial technology, and in particular to a method and application for improving soil bioavailable phosphorus using protozoa. This application aims to utilize a soil-environment-friendly protozoan method for improving soil bioavailable phosphorus. The method of this application has advantages such as simple and convenient operation, low cost, environmental friendliness, a rich selection of microbial strains, in-situ application, and avoidance of nutrient loss, low utilization rate, pathogen contamination, and heavy metal contamination caused by excessive fertilization. Simultaneously, it significantly increases the organic phosphorus content of the soil.

This invention belongs to the field of phosphorus component separation and detection technology in urban sewage, specifically involving a method for the full-volume non-targeted trace detection of phosphorus components in urban sewage, comprising the following steps: (1) adding aluminum salt to the urban sewage sample and adjusting the pH value of the solution to perform targeted enrichment of different phosphorus components, and then processing the flocs obtained after enrichment to obtain an extract; (2) utilizing 31 P nuclear magnetic resonance technology enables the separation and full non-targeted detection of phosphorus components in the extract; (3) chemical shift analysis is performed on all detected resonance peaks to match the types of inorganic and organic phosphorus components; (4) the overlapping areas of the resonance peaks are deconvolved using the deconvolution method, the resonance peaks of all separated phosphorus components are integrated and the content of each phosphorus component in the wastewater is calculated. This invention breaks through the limitations of traditional phosphorus detection technology, solves the problem of difficult detection of trace organic phosphorus in urban wastewater, and has the characteristics of high detection comprehensiveness, good accuracy and excellent sensitivity.

The application relates to the technical field of lithium battery materials, and particularly discloses a carbon-coated lithium iron phosphate composite carbon nanotube material and a preparation method thereof, the preparation method comprising the following steps: dissolving carbon nanotubes and a surfactant in deionized water to obtain a suspension A; adding an organic phosphorus source, an iron source and a lithium source into the suspension to obtain a suspension B; and heating and sintering the suspension B to obtain the carbon-coated lithium iron phosphate composite carbon nanotube material. The hydrothermal method is adopted, lithium iron phosphate can be in-situ grown on the outer wall of the carbon nanotube in one step, a carbon layer is coated on the surface of the lithium iron phosphate, the prepared material has high cycle specific capacity and cycle stability, and also has excellent rate performance.