45results about How to "Improve degradation efficiency" patented technology

This invention relates to the field of industrial wastewater treatment technology, and discloses an electrocatalytic oxidation device and its operating method for treating saline industrial organic wastewater. Wastewater enters the reaction chamber through the bottom inlet, is forced through the anode channels, and undergoes an electrochemical oxidation reaction on the anode surface to convert chloride ions into hypochlorous acid. A vacuum ultraviolet light source performs in-situ photolysis of water molecules and hypochlorous acid, exciting various active species, including strongly reducing hydrated electrons, strongly oxidizing hydroxyl radicals, and chloride radicals. This device, through the construction of a reduction-oxidation system, can efficiently degrade various pollutants with both electron-rich and electron-deficient characteristics. This invention utilizes the synergistic coupling of electrochemical generation and photochemical conversion to convert high-concentration chloride ions into active precursors, effectively overcoming the bottlenecks of low degradation efficiency and poor selectivity in traditional technologies for high-salt and complex water quality, and significantly improving the system's mineralization efficiency and energy utilization rate.

The application belongs to the technical field of polymer material recycling, and particularly relates to a high-efficiency enzymatic hydrolysis process of polycaprolactam. The high-efficiency enzymatic hydrolysis process of polycaprolactam provided by the application comprises the steps of acid pretreatment, enzymatic catalytic depolymerization and product post-treatment. The process combines sulfuric acid and a multi-enzyme system to treat PA6 with high substrate concentration. The physical form and chemical accessibility of PA6 are significantly changed through sulfuric acid pretreatment, which creates conditions for subsequent enzymatic hydrolysis reaction, and realizes efficient, deep and green degradation of PA6.

This invention relates to the field of environmental remediation technology, specifically providing a method for the synergistic degradation of chlorinated organic pollutants using anaerobic microorganisms and iron-manganese minerals. The method includes the following steps: S1, after deoxygenation, water containing chlorinated organic pollutants is inoculated into a bacterial culture system, and the reaction system is placed in a constant-temperature shaking incubator for anaerobic reaction; S2, iron-manganese minerals are added to the reaction system, and a secondary reaction is carried out under aerobic conditions, thus completing the degradation of chlorinated organic pollutants. This invention significantly improves the overall purification efficiency of complex pollution systems containing chlorinated organic pollutants through an anaerobic-aerobic coupling and a synergistic biodegradation-chemical oxidation strategy, demonstrating promising application prospects.

This invention relates to a method for in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste. The technical solution is as follows: vanadium-containing solid waste is ground into powder, and the resulting vanadium-containing solid waste powder is mixed with vanadium pentoxide powder. The resulting vanadium-containing geopolymer precursor is mixed with an alkaline activator and stirred evenly to obtain a vanadium-containing geopolymer slurry. The vanadium-containing geopolymer slurry is placed in a mold, cured, demolded, cured a second time, and crushed to obtain a crushed vanadium-containing geopolymer. The crushed vanadium-containing geopolymer is mixed with deionized water to obtain a vanadium-containing geopolymer aqueous solution. Bismuth nitrate solution is added to the vanadium-containing geopolymer aqueous solution, mixed evenly, and the pH value is adjusted. A hydrothermal reaction is then carried out. Solid-liquid separation, washing, and drying are performed to obtain the visible light photocatalytic geopolymer. This invention can efficiently utilize low-vanadium content and completely eliminate vanadium. The in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste not only effectively decomposes organic pollutants under visible light conditions but also effectively fixes vanadium in the vanadium-containing solid waste.

The application discloses a process for improving the quality of palm kernel meal feed by enzyme and bacteria synergistic fermentation, and belongs to the field of feed biotechnology.The process is characterized by the following steps: crushing and screening palm kernel meal, mixing the palm kernel meal with 20% bran and 4% ammonium sulfate as dry matter to obtain a basic substrate;compounding bacillus subtilis, aspergillus niger and saccharomyces cerevisiae at a ratio of 1:1:1 of viable bacterial number, adding 0.67% mannanase and 0.3% xylanase to prepare a bacteria-enzyme mixed solution, inoculating the bacteria-enzyme mixed solution at a 10% inoculation amount, adjusting the moisture content to 50% and the pH to 6.4, and then sealing and storing the bacteria-enzyme mixed solution for use after 4 days of fermentation at 33.5 DEG C; and the bacteria-enzyme mixed solution can be stored for a long time.The process can efficiently degrade crude fiber and anti-nutritional factors, improve the protein content and the digestibility, is stable and easy to mass-produce, can replace part of corn and soybean meal in the daily ration of ruminants, and realizes high-value utilization of palm kernel meal.

The utility model discloses a detachable aeration device, including the air intake main pipe of setting in the activated sludge pool upper end, the branch pipe of vertical setting in the air intake main pipe below, the aeration pipe of setting in the branch pipe lower extreme, be equipped with the aeration micropore on the aeration pipe. Can solve the problem of the micropore on the existing aeration device easy to block and not easy to replace and clean after blocking.

This invention relates to the field of wastewater treatment technology, and more particularly to an urban domestic wastewater treatment device including a treatment pump station. The top of the outer arc surface of the treatment pump station is provided with a flange inlet, and the bottom of the inner arc surface of the treatment pump station near the flange inlet is connected to a conical flow guide plate. The upper surface of the conical flow guide plate is provided with an inlet in the middle. The conical flow guide plate is a double-layered structure with an arched end inside. Through a special structural design, the water flow is guided to form a slow flow state, providing sufficient reaction time for the coalescence of tiny oil droplets. This promotes the fusion of emulsified oil droplets and dispersed oil droplets to form large oil droplets. Utilizing the physical property that the density of oil is less than that of water, the oil droplets can naturally float to the surface and form a stable floating oil layer. The entire oil-water separation process does not require additional power and can be completed solely by gravity, effectively improving the oil-water separation efficiency while reducing the energy consumption and maintenance costs of the device.

The application provides a Mo and K co-doped MnO2 catalyst, which is obtained by doping Mo and K in alpha-MnO2 nanowires, and Mo and K are uniformly distributed on the surface and tunnel structure of the alpha-MnO2 nanowires, and the catalyst has a hydroxyl functional group. The application also provides a preparation method of the catalyst, and a method for degrading pollutants by activating peracetic acid with the catalyst, wherein peracetic acid and the catalyst are added into wastewater containing organic pollutants under stirring, and the pH value of the wastewater is controlled to be 5-9; in the wastewater treatment process, the catalyst activates the peracetic acid to generate organic free radicals and singlet oxygen to degrade the organic pollutants in the wastewater. The application can improve the ability of the MnO2-based catalyst to activate peracetic acid to generate active species to degrade organic pollutants, and solves the problems that the existing MnO2-based catalyst has low ability to activate peracetic acid and poor degradation ability for organic pollutants.

This invention belongs to the field of inorganic catalyst materials and organic pollutant degradation technology, specifically relating to a Cu@ITGs confined microsphere catalytic material based on iron tailings, its preparation method, and its application in degrading organic matter. The method includes the following steps: mixing activated iron tailings powder and meta-high terephthalic acid to obtain a mixed dry powder; obtaining a composite alkali activator; weighing copper nitrate particles, dispersing them in ethanolamine for complexation, and slowly adding them to the composite alkali activator to obtain a mixed solution; adding the mixed dry powder to the mixed solution to synthesize a gel slurry; dripping the obtained gel slurry into polyethylene glycol-800 to form microspheres; and after fully curing and drying the microspheres, gradient calcining under a N2 atmosphere to obtain the confined catalytic material Cu@ITGs. This invention uses bulk industrial solid waste as the main raw material to prepare a multifunctional catalytic material with both high catalytic activity and excellent stability for use in wastewater treatment, realizing "waste-to-waste" treatment and high-value-added resource utilization of solid waste.

The application provides application of a nitrogen-doped carbon-based iron monatomic catalyst in degradation of ADC drugs in wastewater, and belongs to the technical field of advanced oxidation water treatment. The nitrogen-doped carbon-based iron monatomic catalyst with a two-dimensional wrinkled ultrathin morphology is prepared by a nano-magnesium oxide template assisted method. In application, the catalyst is dispersed in wastewater containing ADC drugs, stirred and adsorbed to adsorption equilibrium, then a proportion of persulfate is added, and reaction is carried out under the condition that pH is 3-9, so that efficient degradation of the ADC drugs is realized. The application has the advantages of high degradation efficiency, fast reaction speed, wide pH adaptation range, strong anion interference resistance, good broad-spectrum property, good catalyst stability and the like, and actual wastewater toxicity evaluation proves that the application has good detoxification capacity, and has wide application prospect in the field of treatment of refractory organic wastewater such as pharmaceutical wastewater and hospital wastewater.

This invention relates to a bacterium that degrades chlorobenzene pollutants and its applications. The bacterium is a *Pseudomonas putida* strain, named *Pseudomonas putida* BS-1, deposited at the China Center for Type Culture Collection (CCTCC) with accession number CCTCC M 2024441 on March 11, 2024. Compared with existing technologies, the strain provided by this invention can completely degrade a complex pollutant mixture of dichlorobenzene, chlorobenzene, and benzene within 48 hours. It can survive for a long time and maintain its degradation activity under actual pollution conditions of complex pollution and low temperatures. Furthermore, the functional genes related to the degradation of chlorobenzene pollutants are located on a plasmid, which helps the indigenous bacterium acquire the relevant functions for degrading chlorobenzene pollutants. This strain can be applied to in-situ bioremediation of groundwater with complex chlorobenzene pollution in chemical industrial parks, effectively overcoming the technical shortcomings of traditional reduction dechlorination remediation technologies, which often result in incomplete reduction of products, and achieving green, sustainable, and thorough purification without secondary pollutants.

This invention discloses a bio-fermentation tank system for the harmless treatment of livestock and poultry manure and its usage method, belonging to the field of manure bio-fermentation treatment technology. The system includes an inclined and rotatable fermentation tank, an openable and closable cover, and supporting components. An installation plate with microbial filler holes is embedded inside the tank, with the holes pre-filled with adsorption substrate to fix the microbial community. A rotatable turbulence component is provided, which pushes the manure into the cutting chamber, where it is squeezed and segmented before flowing back to the main chamber, achieving cyclic treatment. The system is equipped with an independent gas control structure, supporting switching between aerobic and anaerobic fermentation modes. Through the synergistic effect of tank rotation and internal turbulence, thorough mixing of manure, mechanical cutting, and slow-release contact with the microbial community are achieved, significantly improving degradation efficiency and harmless treatment effect. This invention solves the problems of uneven mixing, low microbial activity, poor solid-liquid separation, and incomplete resource conversion in traditional processes, and is suitable for the efficient, harmless, and resource-based treatment of large-scale manure.

This invention relates to a method for preparing double perovskite La2CoFeO6 and its application in degrading odorous pollutants, comprising the following steps: dissolving La(NO3)3·6H2O, Co(NO3)2·6H2O, and Fe(NO3)3·9H2O in a mixed solution of deionized water and ethylene glycol or deionized water and citric acid, adjusting the pH, and then mixing thoroughly; placing them separately in a high-pressure reactor and heating or evaporating the moisture and drying in an oven to obtain precursor powder or dry gel; then calcining at high temperature and cooling to obtain double perovskite La2CoFeO6 powder. The R3c phase La2CoFeO6 material provided in this application, by combining crystal structure regulation with oxygen vacancy defect engineering, establishes a synergistic enhancement mechanism of "structure optimization + defect regulation" for double perovskite materials, significantly improving the photoresponse capability and catalytic performance of the material, providing a new technical path and material design idea for the design of subsequent high-performance photocatalysts for odor pollution control.

This invention relates to a phthalate hydrolase mutant and its application in phthalate degradation, belonging to the field of microbial enzyme technology. The amino acid sequence of the phthalate hydrolase mutant HylD1 is shown in SEQ ID NO.1, and the nucleotide sequence of the encoding gene is shown in SEQ ID NO.2. This enzyme can catalyze the reaction to generate MMP using DMP as a substrate; or catalyze the reaction to generate MEP and EMP using DEP as a substrate. In this invention, the encoding gene of the phthalate hydrolase HylD1 from *Paracoccus koningii* BJQ0001 was artificially modified by site-directed mutagenesis at amino acid position 265, resulting in a mutant HylD1 (R265A) with higher activity. Compared with the wild-type phthalate hydrolase HylD1, the absolute enzyme activity of this phthalate hydrolase mutant HylD1 (R265A) in degrading DMP and DEP is increased by 2-fold and 3.6-fold, respectively, and a special product EMP is also produced during the degradation of DEP.

This invention provides a traditional Chinese medicine compound preparation for treating vaginitis and its preparation method. The raw materials of the traditional Chinese medicine compound preparation include: 8-12 parts of Callicarpa macrophylla, 8-12 parts of Cnidium monnieri, 3-6 parts of Astragalus membranaceus, 3-6 parts of Sophora flavescens, 3-6 parts of Stemona japonica, 3-6 parts of Kochia scoparia, 3-6 parts of Saposhnikovia divaricata, and 1-2 parts of Gleditsia sinensis. The preparation method is as follows: S1, the raw materials such as Cnidium monnieri are cut into small pieces, the small pieces are expanded under high pressure, and then pulverized to obtain expanded powder; S2, the expanded powder is enzymatically hydrolyzed to obtain enzymatic hydrolysate, then glucose and peptone are added and mixed, and mixed fermentation bacteria are inoculated and cultured by shaking to obtain mixed culture solution; S3, the mixed culture solution is percolated and extracted, the percolate is collected, filtered, and concentrated to obtain compound drug, which is then used to prepare a wash or suppository to obtain the target traditional Chinese medicine compound preparation. The traditional Chinese medicine compound preparation of this invention mainly uses Callicarpa macrophylla and Cnidium monnieri, and works synergistically with Astragalus membranaceus, Sophora flavescens, Stemona japonica and other raw materials to effectively inhibit pathogenic bacteria such as Staphylococcus aureus that cause vaginitis, and can also regulate the vaginal environment to effectively treat vaginitis.

The utility model relates to the technical field of sewage treatment, and disclose a coal mine wharf sewage treatment is with multilayer filtration's clean water pool, including clean water pool body, clean water pool body includes the aeration tank for treating coal mine wharf sewage, is located the collecting piece for collecting gas in aeration tank top, is used for treating the gas after collection's purification device and gas recycling device, and purification device includes dust removal dehydration unit, desulfurization deodorization unit and oxygen enrichment unit, and dust removal dehydration unit, desulfurization deodorization unit and oxygen enrichment unit are sequentially connected and set up. The clean water pool of the application has realized the whole process collaborative treatment of sewage pretreatment, aeration reaction, gas recovery purification and recycling, can effectively remove coal dust, water vapor, hydrogen sulfide, volatile organic compounds and other pollutants in gas, and improve oxygen concentration, both avoid secondary pollution, and realize the resource recovery of coal dust.

This invention belongs to the field of environmental microbiology, specifically a type of Klebsiella variicola and its applications. Klebsiella variicola, strain IFPBD3, is deposited at the China General Microbiological Culture Collection Center (CGMCC) on May 25, 2023, with accession number CGMCC No. 27461. The rice straw degrading bacteria produced by the technical solution of this invention can effectively degrade rice straw, significantly increase straw fertility, and improve straw utilization rate.

The application relates to the technical field of micro-reactors, in particular to a micro-channel reactor and a photocatalytic reaction device. The micro-channel reactor comprises a base plate, the base plate comprises a first base plate and a second base plate which can be detachably matched, the opposite surfaces of the first base plate and the second base plate are each provided with a sample inlet channel, a reaction unit communicated with the sample inlet channel and a sample outlet channel communicated with the reaction unit; the reaction unit comprises an arc-shaped channel and a micro-flow channel which are communicated with each other; a flow divider is arranged in the arc-shaped channel, and the side surface of the flow divider close to the opposite surface is lower than the opposite surface; and a photocatalyst film is arranged on the inner wall of at least one of the sample inlet channel, the arc-shaped channel, the micro-flow channel and the sample outlet channel. The micro-channel reactor provided by the application improves the mass transfer effect, the degradation efficiency and the production efficiency, reduces the cleaning difficulty and is low in energy consumption.

This utility model relates to the field of wastewater treatment technology, and in particular to a wastewater treatment system for industrial parks used to reduce pollutant emissions. The system includes an industrial wastewater treatment device and a domestic wastewater treatment device. The industrial wastewater treatment device includes, in sequence, an underground buffer tank, a demulsification reaction tank, a paper tape oil separator, a wastewater collection tank, a physicochemical flat-plate biological bed, a first dissolved air flotation tank, and a first sludge tank. The domestic wastewater treatment device includes, in sequence, a bar screen, an equalization tank, a domestic flat-plate biological bed, a second dissolved air flotation tank, and a second sludge tank. The first and second dissolved air flotation tanks are connected via pipelines and output as treated wastewater that meets emission standards. This system separates industrial and domestic wastewater treatment, specifically by converting the original MBR membrane tank into a flat-plate biological bed and the primary treatment tank into a flat-plate biological bed. Carbon removal / nitrification reactions are achieved through the biofilm carrier (packing material), improving the efficiency of organic matter degradation and reducing the COD, ammonia nitrogen, and sludge volume in the effluent.

This invention discloses an ozone catalyst, its preparation method, and its application, belonging to the field of environmental materials technology. The ozone catalyst has a core-shell structure; the core-shell structure consists of an inorganic support layer, a composite metal oxide layer, and a metal oxide layer, from the inside out. The inorganic support layer is composed of one or more of attapulgite, kaolin, and modified silica-alumina minerals; the composite metal oxide layer is composed of calcium oxide, magnesium oxide, kaolin, and attapulgite; and the metal oxide layer is composed of iron oxide, copper oxide, and cobalt oxide. The ozone catalyst has a multi-level structure of core-functional layer-shell layer, exhibiting excellent catalytic activity, structural stability, and metal immobilization ability. Applying the ozone catalyst to the advanced treatment of industrial wastewater can significantly improve the degradation efficiency of recalcitrant organic matter.

This invention relates to the field of microbial technology, and particularly to a soil LiTFSI-degrading bacterium and its application in environmental remediation. The LiTFSI-degrading bacterium is *Pseudomonas nitroreductoides* (Nitroreducing Pseudomonas). Pseudomonas nitroreducens LiT2 or LiT3 were deposited on December 1, 2025, at the Guangdong Provincial Microbial Culture Collection Center, located at 5th Floor, Building 59, No. 100, Xianlie Middle Road, Guangzhou, China, with accession numbers GDMCC No: 67389 and GDMCC No: 67390, respectively. This soil LiTFSI-degrading bacterium can use LiTFSI as its sole carbon source and exhibits excellent degradation efficiency for LiTFSI. This invention also provides an environmental remediation agent that can precisely and rapidly intervene in and enhance the degradation process of LiTFSI in soil, thereby significantly reducing the pollution levels of LiTFSI and its intermediate metabolites TFNH2 and TFOH.

This invention belongs to the field of formaldehyde removal technology, specifically a formaldehyde removal agent quantitative release device, comprising a shell structure; the shell has an inner liner connected to it, which together with the inner wall of the shell forms a sandwich space for diverting the incoming formaldehyde removal agent; the inner sidewall of the inner liner is evenly distributed with multiple atomizing nozzles; in this invention, a liquid pump accurately delivers formaldehyde removal agent mixed with a photocatalyst, which is atomized by the atomizing nozzles and flows to the diversion pipe under the drive of the internal swirling flow, and the first fin rotates to expand the diffusion range and accelerate the diffusion speed, and works with the first lamp to activate the photocatalyst, achieving full mixing of the agent with the air, enhancing the formaldehyde removal effect; the various functional components achieve coordinated action through mechanical linkage, reducing dependence on additional power sources, with a compact structure and good operational coordination; the overall equipment forms a highly efficient and coordinated purification system in terms of dust removal, formaldehyde removal, photocatalytic activation, and agent diffusion.

An adaptive reaction system for intelligent responsive microplastic degradation, relating to the field of microplastic pollution control technology, addresses the problem of rigid model cognition in existing machine learning models. It includes a sample input and pretreatment module, a plasma degradation module, a photocatalytic degradation module, an intelligent response control module, and a product output and monitoring module. The sample input and pretreatment module receives microplastic samples and outputs a homogeneous microplastic suspension. The plasma degradation module receives the microplastic suspension and outputs a reaction mixture containing intermediate degradation products. The photocatalytic degradation module receives the reaction mixture and outputs the final product. The intelligent response control module incorporates a metacognitive monitor and a controlled exploration unit. The product output and monitoring module receives the final product and outputs degradation product and efficiency data, feeding the data back to the intelligent response control module. This invention solves the problem of rigid model cognition in existing machine learning models.

This invention discloses an environmentally friendly antistatic bubble bag, belonging to the field of bubble bag technology. It includes an upper bag body, a lower bag body, and a sealing assembly that cooperate with each other. Both the upper and lower bag bodies are made of biodegradable materials, and both have a bubble film layer laminated to their outer walls. Both the upper and lower bag bodies also have an antistatic coating on their outer surfaces. The sealing assembly is detachably connected to the joint between the upper and lower bag bodies, allowing for easy separation. The combination of biodegradable materials for the upper and lower bag bodies, the bubble film layer on the outer wall providing cushioning and protection, and the detachable design of the sealing assembly allows the bag to be disassembled when the contents are removed, fully exposing the inner wall of the bubble bag without the antistatic coating. This significantly accelerates the degradation rate of the biodegradable substrate, balancing practicality, antistatic safety, and lifecycle environmental adaptability.

The utility model discloses a water environment renovation pool of high -efficient degradation pollutant, wherein, water environment renovation pool of high -efficient degradation pollutant, including pool body and aeration mechanism, the pool body has biological degradation area, is used for through the decomposition of pollutant of microbial action, and the pool body one side is equipped with at least one inlet channel, the aeration mechanism sets up in biological degradation area, is used for providing oxygen to water body to promote microbial metabolism, wherein, any inlet channel is provided with the breaking mechanism, can carry out pretreatment breaking to sewage, to facilitate the high -efficient degradation of microorganism. The utility model technical scheme is designed to reduce the pollutant concentration in water quickly and effectively, thereby improving water quality.

This invention relates to highly efficient corn straw-degrading bacteria, specifically the actinomycetes *Streptomyces* sp. GS9, *Streptomyces canus* MD31, *Streptomyces fagopyri* MD55, *Streptomyces cinnabarigriseus* MD63, and a complex bacterial flora. The degrading bacteria or complex bacterial agents obtained through screening in this invention can withstand low and high temperatures and complex acidic and alkaline environments, making them suitable for the complex environment of straw return to the field. They significantly improve the straw degradation rate and increase soil organic matter content.

This invention belongs to the field of microbial technology, specifically relating to a highly efficient Arthrobacterium X-6 that degrades sulfonamide antibiotics and its applications. The highly efficient Arthrobacterium X-6 that degrades sulfonamide antibiotics provided by this invention (… Paenarthrobacter sp. Arthroblast X-6, deposited on January 19, 2026, at the China General Microbiological Culture Collection Center (CGMCC) with accession number CGMCC No. 37463, provides this invention. Arthroblast X-6 can grow using seven common antibiotic resistance (SA) species as its sole carbon source, exhibiting a highly efficient degradation capacity for SA species, reaching up to 100%. It not only possesses environmental remediation potential but also minimizes the risk of secondary pollution. Furthermore, it is inexpensive and environmentally friendly, achieving highly efficient microbial control of antibiotic-resistant environmental transmission and providing strain resources and theoretical data for the remediation of SA species contamination.

The application discloses an illumination self-enhancing photocatalytic material and a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The material is obtained through cross-linking reaction of a composite photocatalyst, thioctic acid, polyethylene glycol and polyacrylamide, wherein the composite photocatalyst comprises the following raw materials in parts by mass: 1.2-2.4 parts of ammonium molybdate tetrahydrate, 0-5 parts of thiocarbamide and 0.006-0.018 parts of fullerene. The application can realize efficient removal of tetracycline by introducing the composite photocatalyst with high specific surface area and combining with the hydrophilic hydrogel matrix. Meanwhile, the material can enhance the hydrogel strength under illumination, and further improve the mechanical strength and durability of the material.