215 results about "Organic phosphorus" patented technology

The invention relates to a streptomyces sp. Strain EC15 and an application of the streptomyces sp. Strain EC15. The streptomyces strain EC15 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33195. The streptomyces strain EC15 has the advantages that the streptomyces strain EC15 can be used for preparing the streptomyces strain EC15; the strain has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing a biological membrane, producing an iron carrier, producing IAA and producing ACC deaminase. The EC15 bacterial liquid is used for soaking seeds under the stress of 200 mmol / L and 250 mmol / L NaCl, so that the germination potential, the germination rate, the germination index, the radicle length, the germ length and the fresh weight of group seedlings of the alfalfa seeds can be obviously improved. After the EC15 strain is inoculated, under the stress of 200 mmol / L NaCl, the plant height, stem diameter, leaf area and overground part fresh and dry weight of alfalfa plants can be obviously improved.

The invention relates to the technical field of wastewater treatment and resource recovery, and discloses an organophosphorus degradation and recovery system based on double-cathode electro-Fenton reaction, comprising: an electrolytic tank for accommodating organophosphorus wastewater to be treated; the anode is arranged in the electrolytic tank and is electrically connected with an anode of a power supply; the oxidizing agent generating cathode is arranged in the electrolytic tank and is used for generating hydrogen peroxide in situ under a power-on condition; the metal reduction cathode is arranged in the electrolytic tank and is used for adsorbing and reducing ferric ions; the metal source is composed of zero-valent iron or iron alloy, is not directly and electrically connected with the power source, and is arranged in an electric field acting area established by the anode and the at least one cathode. Through the design of inductive slow-release iron supply and double-cathode collaborative circulation, a series of problems of uncontrollable iron ion release, high iron sludge yield, low catalyst utilization efficiency, difficulty in resource recovery and the like in the traditional electro-Fenton technology are effectively solved.

The invention belongs to the technical field of coal chemical industry grey water treatment, and particularly relates to an advanced treatment method and system for coal chemical industry grey water circulating water. The method integrates pretreatment, complexing cracking, fractional crystallization and deep deamination, and is characterized in that a chelating structure of an organic phosphorus dispersing agent and calcium and magnesium ions is thoroughly destroyed through an advanced reduction-advanced oxidation combined process, target ions are released, and the core problems that hardness removal is hindered and phosphorus pollution is caused are solved; then, calcium and magnesium are respectively converted into calcium carbonate and magnesium ammonium phosphate particles for resource recovery by utilizing a secondary crystallization technology, so that the bottlenecks of high alkali liquor consumption and salt accumulation of a traditional high-pH magnesium ion precipitation method are broken through; and finally, the residual ammonia nitrogen is deeply removed by adopting a pollution-resistant PTFE hydrophobic membrane, so that the residual ammonia nitrogen is efficiently and stably removed, and the problem that a traditional polypropylene material membrane system is easy to pollute and block, easy to oxidize and difficult to apply to the field is solved.

The invention discloses an organophosphorus degradation and synchronous recovery system based on a double-cathode induced electro-Fenton reaction. An induced iron electrode plate and an electrochemical assembly with double cathode plates are arranged in an electrolytic tank; the double cathode plates are a gas diffusion cathode plate and an iron reduction cathode plate; the gas diffusion cathode is used for reducing oxygen to generate hydrogen peroxide, the induction iron electrode releases ferrous ions under the action of an electric field, the ferrous ions and the hydrogen peroxide are subjected to a Fenton reaction, organic phosphorus is degraded into PO4 < 3->, Fenton reaction by-products Fe < 3 + > and PO4 < 3-> form iron phosphorus precipitates, and degradation of the organic phosphorus and synchronous recovery of orthophosphate are realized; excessive Fe < 3 + > is adsorbed by the iron reduction cathode and is further reduced into Fe < 2 + > which enters the solution again to participate in the Fenton reaction, so that the reaction efficiency is improved, and Fe < 3 + > / Fe < 2 + > circulation is promoted while slow release of iron is realized. The device is simple in structure, low in maintenance cost and high in operability, and the purpose of efficiently recycling phosphorus resources is achieved.

The invention discloses a growth-promoting halophilic Clariella sackii BWT 1.2507 strain and a preparation method of the growth-promoting halophilic Clariella sackii BWT 1.2507 strain. The growth-promoting halophilic Clariella sackii BWT 1.2507 strain has the advantages that the growth- The invention relates to a bacillus subtilis BWT1.2507, which is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on September 28, 2025, the address of the GDMCC is the 5th floor of the building 59, No. 100 courtyard, Xianlie Middle Road, Guangzhou City, Guangdong province, the postcode is 510070, and the preservation number is GDMCC No: 67048. The halophilic Sacchaffia halmapaa BWT1.2507 is separated and screened from the corn rhizosphere saline-alkali soil, has the functional characteristics of saline-alkali resistance growth, nitrogen fixation, organic phosphorus dissolution, IAA secretion and siderophore production, has obvious application effects in promotion of healthy growth of corn plants and alkali and salt reduction of saline-alkali soil, can be developed as an agricultural microbial agent, and has broad application prospects. The application potential in improvement of saline-alkali soil is huge.

The application discloses a kind of high flame-retardant tpe materials and preparation method thereof, by polytetrahydrofuran, modified monomer and 4,4'-dicyclohexyl methane diisocyanate are reacted, chain extension is used with 1,4-butanediol, finally join flame-retardant additive, form branched structure, and the molecular structure of the pte material is branched structure, and molecular chain segment contains organic silicon composite organic phosphorus structure, when heat decomposition, can generate phosphoric acid, poly-metaphosphoric acid and other acidic substances, these acidic substances will catalyze pte molecule to occur dehydration reaction, accelerate its crosslinking, organic silicon chain segment will produce inorganic silicate or silicon-carbon, and then form a dense carbon layer on the surface of material, can heat insulation and oxygen isolation, prevent combustible gas to escape outward and oxygen diffusion inward, and slow down the further thermal decomposition of internal material, prevent carbon layer from being burnt through or collapse under high temperature, improve the durability of barrier, so that pte material has good flame-retardant effect.

The application provides a method for treating organic phosphorus in tanning wastewater by electrocatalytic ozone treatment with a modified foam iron electrode as a cathode, and the method comprises at least one pair of electrodes; the electrodes comprise a modified foam iron cathode and a modified graphite felt anode, the modified foam iron cathode is modified 40ppi foam iron; the method for treating organic phosphorus in tanning wastewater is as follows: the modified foam iron cathode and the modified graphite felt anode are placed in a reactor, the cathode and the anode are connected to a direct current power supply; the wastewater containing tetramethylphosphonium sulfate to be treated is added into the reactor, and the pH value of the wastewater is controlled in the range of 5-9; the mixed gas of ozone and oxygen is continuously introduced into the reactor, and the flow rate of the mixed gas of ozone and oxygen is controlled to be 0.1-0.5L / min per liter of wastewater; the direct current power supply is started to supply power to the graphite anode and the modified foam iron cathode, and the tetramethylphosphonium sulfate in the wastewater is continuously oxidized into orthophosphate salt between the electrodes; the crystallized orthophosphate salt is separated from the wastewater, and the organic phosphorus component in the tanning wastewater is removed.

The invention provides a nutrient solution formula. The nutrient solution formula comprises organic nitrogen, organic phosphorus, organic potassium, active calcium, quick-acting sulfur, magnesium, zinc, selenium, ferrous sulfate, organic silicon, expanded fertilizer, mineral source humic acid, chitin, live bacterial fertilizer, boric acid, manganese sulfate, zinc sulfate heptahydrate, ammonium molybdate, copper sulfate heptahydrate, disodium iron ethylenediaminetetraacetate, citric acid and water. According to the nutrient solution formula and the preparation system thereof provided by the invention, microelements are added into the formula, so that the nutrient requirements of vegetables during growth are met, the growth of the vegetables is promoted, and meanwhile, citric acid is added, so that the nutrient solution is stable in property, and the effectiveness of the nutrient solution can be kept in a relatively long period; the physiological acid-base reaction caused in the nutrient solution absorption process of the leaf vegetables can be kept stable, the activity of the root system is improved through high water-soluble phosphorus in the formula, the photosynthesis is improved through the magnesium element, long-acting biological sulfur is provided, and continuous energy supply is provided.

The invention provides a high-concentration phosphorus-containing wastewater composite phosphorus removal agent which is prepared from the following components in parts by weight: 50-70 parts of a modified fly ash-based adsorption material, 20-40 parts of an inorganic metal salt flocculating agent, 5-15 parts of a macromolecular coagulant aid and 3-8 parts of a synergistic component. The phosphorus removal agent has the advantages of being high in phosphorus removal efficiency, wide in applicable pH range, good in sludge sedimentation performance, effective to phosphorus in various forms (positive phosphorus, polymeric phosphorus and organic phosphorus), relatively small in agent dosage and the like.

The application discloses a PC / PCTG composite material and a preparation method and application thereof, relates to the technical field of modified PC / PCTG composite materials, and provides a PC / PCTG composite material, which comprises the following components in parts by weight: PC resin 55-75 parts, PCTG resin 20-35 parts, SMA resin 1-5 parts, organic phosphorus flame retardant 3-7 parts, and titanate 0.1-0.5 parts; the mass percentage content of maleic anhydride in the SMA resin is greater than or equal to 13%. Through the cooperation of the SMA resin, the organic phosphorus flame retardant and the titanate with specific parts by weight and specific components, the heat resistance, the solvent resistance and the flame retardance of the polycarbonate composite material can be simultaneously improved under the condition that good light transmittance is ensured.

The invention provides damp-heat-resistant flame-retardant polyurethane and a host-guest chemical preparation method thereof, hyperbranched polyethyleneimine reacts with aldehydes to obtain a Schiff base structure, and then an organic hydrogen phosphate compound reacts with the Schiff base structure to synthesize a phosphorus-containing hydrophobic shell-hydrophilic core hyperbranched polymer. A phosphate flame retardant is embedded in the obtained amphiphilic hyperbranched flame-retardant polymer to form a flame-retardant complex by utilizing a host-guest coated hydrophilic-hydrophobic interaction principle, and the complex is blended with polyurethane to obtain a modified polyurethane material. The modified polyurethane can effectively inhibit precipitation of phosphate flame retardants, so that the material has excellent flame retardance and humidity and heat resistance, and a flame-retardant complex of the flame-retardant polyurethane has good compatibility with the polyurethane, so that the material has good transparency.

The application discloses application of phospholipase in promoting phosphorus removal in water body, and belongs to the technical field of water treatment. The phospholipase is added to a wetland or a constructed wetland system, the phospholipase catalyzes degradation of organic phosphorus into intermediates, and then shortens the time for conversion of the organic phosphorus into absorbable phosphorus, accelerates the conversion of the phosphorus into the absorbable phosphorus, improves the absorption efficiency of plants on the phosphorus, and thus improves the removal efficiency of the wetland or the constructed wetland system on the phosphorus in the water body.

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.

The application relates to the technical field of PET film, and discloses a conductive PET film material for a transparent antenna and a preparation method thereof, wherein the conductive PET film material comprises, from top to bottom, a copper mesh and a PET film; the PET film comprises the following components by weight: 80-90 parts of PET resin, 1-2 parts of a compatilizer, 8-14 parts of a flame retardant, 2-4 parts of an ultraviolet resistance agent and 0.8-1 part of a heat stabilizer; the flame retardant is composed of an organic phosphorus flame retardant and 4-amino-5-imidazole formamide. Through the technical scheme, the problems of poor flame retardance and ultraviolet resistance of the conductive PET film material in the related art are solved.

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 invention discloses a phosphabicyclo [3, 2, 0] organic phosphorus compound as well as a preparation method and application thereof. Diallyl-containing tertiary phosphine oxide and phosphine sulfur compounds are used as raw materials, 10-phenyl phenothiazine is used as a photocatalyst, the photocatalyst is excited under a light source of 390 nm to activate double bonds, high-stereoselectivity [2 + 2] cycloaddition reaction is realized, the phosphorus heterocyclic bicyclo [3, 2, 0] organophosphorus compound containing two quaternary carbon centers is synthesized, diastereoisomers can be separated, and the yield is high. A single diastereoisomer product is as high as 97%, and excellent diastereoselectivity is achieved. The invention provides a green reaction mode for photocatalytic synthesis of the phosphabicyclo [3, 2, 0] organophosphorus compound, the conditions are mild, and the substrate universality is good. The obtained phosphabicyclo [3, 2, 0] organophosphorus compound is applied to a primary alcohol chlorination reaction as a catalyst, shows high reaction activity, and has more excellent catalytic activity compared with a reported catalytic system.

The invention belongs to the technical field of resource recycling, and particularly relates to a composite extraction agent for separating rubidium and cesium from a recovery liquid for extracting lithium, the composite extraction agent comprises a synergistic extraction agent, a diluent and a phase regulator; the synergistic extraction agent comprises a main extraction agent and a synergistic extraction agent; the main extraction agent is a substituted phenol extraction agent, and the synergistic extraction agent is an organic phosphorus extraction agent. On one hand, the composite extraction agent improves the rubidium and cesium extraction effect, and the cost is reduced; and on the other hand, the requirement of the extraction agent for alkalinity is reduced, efficient extraction of rubidium and cesium can be achieved under the low-alkalinity condition, and a series of problems that a traditional substituted phenol extraction system is serious in emulsification phenomenon, large in extraction agent dissolution loss and the like are solved. The organic phase of the extraction system can be recycled, the defects of easy emulsification, equipment corrosion and the like of the traditional extraction method can be effectively avoided, and industrial production is easy.

The invention provides a method for removing total copper, total phosphorus and COD (Chemical Oxygen Demand) in electroplating complexing wastewater. According to the method, the electroplating complexing wastewater is obtained; sequentially carrying out primary physical and chemical precipitation operation, Fenton advanced oxidation operation and secondary physical and chemical precipitation operation on the electroplating complexing wastewater to obtain a secondary separation solution; the molar ratio of the H2O2 in the Fenton advanced oxidation operation to the total copper in the electroplating complexing wastewater is (1-3): 1, and the concentration of the H2O2 is 100-500 mg / L; carrying out chelation reaction on the secondary separation liquid by adopting a low-COD recapturing agent; and carrying out third physicochemical precipitation operation on the electroplating complex wastewater subjected to chelation reaction to obtain recycled water meeting emission requirements. According to the method, on the premise of ensuring that a heavy metal-non-organic phosphorus strong complex Fenton advanced oxidation reaction is met with a small amount of H2O2, total copper, total phosphorus and COD in the electroplating complexing wastewater are removed more deeply, the total copper concentration of reclaimed water is stabilized to be 0.5 mg / L or below, the total phosphorus removal rate is larger than 95.0%, and the COD removal rate is larger than 89.0%, so that the increasingly strict requirements are met.

The invention provides a salt and alkali tolerant phosphate solubilizing bacterium and a growth promoting effect in adversity stress, and belongs to the technical field of biocontrol bacteria. The invention provides a salt and alkali tolerant phosphate solubilizing bacterium, the phosphate solubilizing bacterium comprises enterobacter CCZ3-8, and the phosphate solubilizing bacterium can activate insoluble phosphorus in soil, including inorganic phosphorus and organic phosphorus. The strain CCZ3-8 disclosed by the invention has strong stress resistance, can quickly grow when the NaCl concentration is below 7%, and can obviously slow down the growth rate when the NaCl concentration is greater than 9%; the strain can normally proliferate in a pH range of 4-10, and has relatively strong tolerance to a certain degree of acid and alkali environments at the same time. The phosphate solubilizing bacteria can promote plant growth under a single condition, can promote plant growth in a complex soil environment, can improve the adversity resistance of plants, and has a huge application value.

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.

The invention relates to the field of lubricating grease, in particular to a lubricating grease composition with excellent heat-resistant stability as well as a preparation method and application thereof, which are used for solving the problems that although an existing lubricating grease product is good in performance in daily application, the lubricating effect is still not ideal under high-temperature and high-speed operation; the reliability and the service life of the equipment are influenced; the lubricating grease composition comprises the following components: base oil, an organic phosphorus-nitrogen polyfluorine modifier, a thickening agent, an antioxidant, an antirust agent and nano tungsten disulfide, according to the preparation method, the lubricating property and the heat resistance of the lubricating grease composition can be remarkably improved by adding the organic phosphorus-nitrogen polyfluorine modifier into the lubricating grease composition, so that the lubricating grease composition keeps efficient lubricating property under a high-temperature condition; the lubricating grease composition can still continuously provide effective lubricating protection in high-temperature and severe environments, and the super-long service life under extreme working conditions of high-speed bearings, humanoid robot joints and the like is ensured.

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.

The invention relates to an Rh monatomic hydrogen evolution catalyst and a preparation method and application thereof.The preparation method comprises the following steps that S1, carbon nanotubes and an organic phosphorus source are ground and mixed, and powder A is obtained; s2, the powder A is subjected to high-temperature annealing, protective gas is introduced in the whole process, and powder B is obtained; s3, Rh metal salt is dissolved in a methanol / water mixed solvent, the powder B is added, and a mixed solution C is obtained through ultrasonic dispersion; s4, stirring the mixed solution C, and drying to obtain powder D; and S5, performing low-temperature annealing on the powder D, and introducing reducing gas in the whole process to obtain the Rh monatomic hydrogen evolution catalyst. Compared with the prior art, Rh atoms have an excellent surrounding environment, intrinsic catalytic activity is enhanced, and high electro-catalytic hydrogen production performance is achieved with low content.

The application discloses a kind of organic zirconium phosphate modified asphalt and preparation method thereof, belong to bitumen material preparation technical field.The raw materials of the organic zirconium phosphate modified asphalt include: 100 parts of base asphalt, 5-15 parts of organic zirconium phosphate.The application utilizes ionic organosiloxane, anionic surfactant to carry out secondary grafting on the surface of zirconium phosphate, so that the surface of zirconium phosphate has long chain structure, so as to obtain organic zirconium phosphate.Two graftings of ionic organosiloxane and anionic surfactant promote the transformation of zirconium phosphate from nanoscale solid powder to fluid-like material, which can effectively avoid the agglomeration phenomenon between zirconium phosphate particles, greatly improve the compatibility of zirconium phosphate and asphalt.Adding organic zirconium phosphate modifier tending to fluid-like to asphalt can not only improve the low-temperature performance of asphalt, but also its unique lamellar structure can effectively absorb and block ultraviolet light, greatly improve the anti-ultraviolet aging ability of asphalt.

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.

The invention discloses a graphene oxide corrosion inhibitor and a preparation method thereof. The corrosion inhibitor is prepared by reacting graphene oxide with an organophosphorus corrosion inhibitor. The preparation method comprises the following steps: dispersing graphene oxide in a solvent; adding an organophosphorus corrosion inhibitor to carry out amination reaction; and filtering, washing, drying and grinding. According to the graphite oxide corrosion inhibitor, organic phosphate is introduced to a base plane, on one hand, the interlayer distance can be increased, the maze effect of graphene oxide is enhanced, on the other hand, the water solubility is improved through phosphate anions, meanwhile, agglomeration of graphene oxide is prevented through the electrostatic repulsion effect between the phosphate anions, and when the corrosion inhibitor is deposited on the surface of metal, the corrosion inhibitor has the good corrosion resistance. And an excellent slow-release effect can be obtained.

This invention discloses a comprehensive recovery method for nickel, cobalt, manganese, and scandium, belonging to the field of metal production or refining technology. The method includes: pretreatment of nickel-cobalt hydroxide by ultrasonic grinding with oxygen / air introduction; selective leaching of the pretreated nickel-cobalt hydroxide with dilute sulfuric acid solution, followed by solid-liquid separation to obtain manganese oxide slag and a first leachate; using a synergistic extraction system formed by a compound of an organophosphate extractant, a neutral phosphorus-oxygen extractant, and an organic diluent as the first extractant; scandium extraction of the first leachate using the first extractant to obtain a scandium-loaded organic phase and raffinate; precipitation of vanadium and removal of iron in the raffinate, followed by solid-liquid separation to obtain iron alum slag and a second leachate; and nickel-cobalt extraction of the second leachate to obtain a nickel-cobalt-loaded organic phase. This invention enables efficient recovery of nickel, cobalt, manganese, and scandium, and effective separation from impurities.

The invention discloses an organic phosphorus wastewater degradation and phosphorus recovery experimental device and method, and particularly relates to the field of organic phosphorus wastewater treatment.The organic phosphorus wastewater degradation and phosphorus recovery experimental device comprises an electric reaction box, a recovery reaction unit capable of performing electrochemical reaction is arranged in the electric reaction box, and a water inlet pipe and a water outlet pipe are arranged between the two sides of the recovery reaction unit and the electric reaction box respectively; the recovery reaction unit comprises a water storage reaction box, a Fe3O4-coated N-GO negative plate and a titanium platinum positive plate are arranged in the water storage reaction box, the Fe3O4-coated N-GO negative plate is used for preparing Fe3O4-coated N-GO by adopting a one-step hydrothermal method, the Fe3O4-coated N-GO is loaded on an electrode, and the Fe3O4-coated N-GO negative plate has excellent electron transfer efficiency and catalytic activity. The organic phosphorus wastewater can be completely degraded within 40 minutes, and the PO4 < 3-> conversion rate is 35%; by constructing a continuous operation system for electrochemical degradation and recovery of the organophosphorus wastewater, efficient degradation and detoxification of the organophosphorus wastewater are realized, released phosphorus is recovered, and the method has practical significance of reducing treatment cost and increasing economic benefits.

The application provides an organic phosphorus synergistic bromine flame-retardant nylon material and a preparation method thereof, and the organic phosphorus synergistic bromine flame-retardant nylon material comprises the following components in mass fractions: nylon resin 60-100 parts, halogenated polystyrene 10-30 parts, modified zinc borate 15-30 parts, flame retardant 5-15 parts, and auxiliary agent 0.1-5 parts; wherein the modified zinc borate is obtained by reacting zinc borate with a silane coupling agent containing a double bond, and then reacting with an allyl phosphate, vinyl POSS, maleic anhydride and a copolymer of styrene. The compatibility and combination effect of various components are optimized, the basic properties such as the strength and toughness of the nylon material are improved, the flame retardation is synergistically achieved from the gas phase and the condensed phase, the flame retardation performance of the composite material is ensured, the problems in the prior art are solved, and the further popularization of the flame-retardant nylon material has important significance.