48 results about "Antibiotic degradation" patented technology

The invention relates to the technical field of microbial treatment of antibiotic pollution, and discloses an antibiotic degrading bacterium with salt tolerance and capable of degrading sulfamethoxazole at low temperature and application, the strain degrades SMX in a wide temperature range of 10-40 DEG C, the degradation rate of 20mg / L SMX at 10-35 DEG C within 64 hours is greater than 70%, and the degradation rate of 20mg / L SMX at 20-30 DEG C reaches 100%; at the low temperature of 10 DEG C, low-concentration SMX is obviously degraded, and the SMX with the concentration of 5 mg / L can be completely degraded within 16 hours; the MJ2 can still effectively degrade SMX under the harsh conditions that the temperature is low and SMX serves as the unique carbon and nitrogen source, the degradation rate reaches 100% after 66h at the concentration of 5 mg / L, and it is proved that the MJ2 has the unique oligotrophic adaptability. Salinity tests show that the degradation rate of MJ2 to 20 mg / L SMX within 48 hours under the 0.1-2% NaCl concentration is 100%, the degradation rate is still kept at 50% even under the stress of 3% high salt, and remarkable salt tolerance is also shown. In conclusion, the strain MJ2 integrates wide temperature range adaptability, low-temperature high efficiency, oligotrophic tolerance and high salt stability, and has great application value in sulfonamide antibiotic pollution remediation in a complex environment.

The application discloses a functional carrier filler, a preparation method and application thereof. The functional carrier filler comprises a polyethylene carrier and a functional layer loaded on the surface of the polyethylene carrier; and the functional layer comprises amino graphene. The application fixes the amino graphene on the surface of the polyethylene carrier, so that the surface of the filler is rich in nitrogen functional groups capable of mediating electron transfer, the electron transfer of microorganisms is promoted, the biodegradation of antibiotics is strengthened, the specific surface area of the carrier is improved, and the biofilm is hung, the functional carrier filler is used as a suspended filler of a moving bed biofilm reactor, and is used in a post-denitrification MBBR process after sewage treatment, so that the denitrification rate is improved, the degradation of antibiotics is promoted, the use of carbon sources is reduced, and energy saving and emission reduction are facilitated.

The invention discloses a method for strengthening three-effect synergy of chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction in rice field soil through sulfurized zero-valent iron, and belongs to the technical field of rice field soil pollution remediation. The sulfurized zero-valent iron (S-ZVI) is prepared according to the sulfur-iron ratio of 0.1-0.2; the S-ZVI is mixed with the contaminated soil, and rice is cultivated in cooperation with a specific fertilization and irrigation scheme. According to the method for strengthening the triple-effect synergy of chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction in the rice field soil through the sulfurized zero-valent iron, by optimizing preparation and application of the sulfurized zero-valent iron, under the synergistic effect of chemical reduction and microbial degradation, the triple-effect synergy of chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction is expected to be achieved, and the effect of strengthening the rice field soil chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction is achieved. And an important means is provided for degradation of antibiotics in rice field soil.

The invention belongs to the technical field of environmental pollution treatment and water treatment, and particularly relates to a method for degrading organic pollutants by coupling a nano confinement catalytic membrane with micro-nano bubbles. The method comprises the following steps: adding micro-nano bubble water and an oxidizing agent into an organic pollutant solution, regulating the pH value to prepare a pretreatment mixed solution, and enabling the pretreatment mixed solution to pass through a nano confinement catalytic membrane to catalytically degrade the organic pollutants, the nano confinement catalytic membrane comprises an organic polymer membrane substrate and a catalyst loaded in the organic polymer membrane substrate; the loading capacity of the catalyst is 5 to 30 mg. The problems that antibiotics are difficult to degrade, pollutant concentration is easily caused by membrane separation, a catalyst is difficult to recycle, and membrane flux and catalytic activity are difficult to balance are solved, the method has the advantages of being high in degradation efficiency, stable in membrane flux, easy to recycle the catalyst and wide in application range, and wastewater containing organic pollutants can be efficiently treated.

The invention belongs to the technical field of livestock and poultry breeding wastewater treatment and agricultural reuse, and particularly relates to an electrochemical enhanced low-pressure ultrafiltration system and method for livestock and poultry breeding tail water reuse, and the electrochemical low-pressure ultrafiltration system comprises a water inlet tank, a constant water level water tank, a gravity-driven low-pressure ultrafiltration membrane assembly, a water collecting device and a constant-voltage driving power supply; the gravity-driven low-pressure ultrafiltration membrane assembly comprises a reactor, and an anode, an ultrafiltration membrane and a cathode pre-filtering layer which are arranged in the reactor, wherein the cathode pre-filtering layer consists of a biological filter cake layer and a cathode. According to the electrochemical enhanced low-pressure ultrafiltration system and the electrochemical enhanced low-pressure ultrafiltration method for recycling livestock and poultry breeding tail water, the electrochemical enhanced gravity-driven low-pressure ultrafiltration system driven by external source constant voltage is adopted according to the characteristics of livestock and poultry breeding waste water tail water; heavy metal reduction, antibiotic degradation, pathogen interception, resistance gene transmission inhibition and membrane pollution control can be synchronously realized under the condition of low energy consumption, nitrogen and phosphorus resources in wastewater are reserved, and safe recycling of agricultural irrigation is guaranteed.

The application belongs to the technical field of photocatalytic materials and the field of environmental governance, and discloses a preparation method and application of a heterojunction photocatalytic material for degrading fluoroquinolone antibiotics. The catalytic material is an S-type photocatalytic material, and the heterojunction photocatalytic material can be prepared through a simple hydrothermal method. By controlling the addition amount of NH2-MIL-68(In), Bi2MoO6 / NH2-MIL-68(In) heterojunctions with different component contents are obtained. Experimental results show that when the Bi2MoO6 / NH2-MIL-68(In) (BMN-2) photocatalytic material prepared by the application is applied to photocatalytic degradation of ofloxacin in water, 100% of the ofloxacin can be degraded after visible light irradiation for 90 minutes. In addition, the photocatalyst also has good photocatalytic degradation performance for ofloxacin in actual water. The heterojunction photocatalyst prepared by the application has good visible light response and excellent antibiotic degradation performance, and has good application prospect in the field of photocatalytic degradation of antibiotics.

The application discloses a kind of ultra-high temperature aerobic fermentation composite microbial inoculum for treating organic solid waste, belonging to solid waste biological treatment technical field.The composite microbial inoculum is compounded by functional microbial inoculum group and auxiliary group, the functional microbial inoculum group includes thermophilic side spore mold agent, thermophilic bacillus agent, high-temperature actinomycete agent, fecal alkali-producing bacteria agent, the auxiliary group is composed of modified diatomite, coated fungus bran carbon, oyster shell calcined powder, kitchen waste pretreatment powder, sodium lignosulfonate and sodium gluconate.The composite microbial inoculum is adapted to municipal sludge, livestock and poultry manure, open-air strip-pile type fermentation of kitchen waste mixed solid waste, can be quickly heated to 80 DEG C or more, ultra-high temperature duration is greater than or equal to 7.8 days, roundworm egg inactivation rate is greater than or equal to 99.9%, comprehensive antibiotic degradation rate is greater than or equal to 90.2%, heavy metal comprehensive passivation rate is greater than or equal to 85.5%, effectively control odor emission, can be applied to municipal sludge, livestock and poultry manure, open-air strip-pile type fermentation of kitchen waste mixed solid waste, and has good industrial application value.

The invention relates to the field of antibiotic degradation, in particular to an aminoglycoside antibiotic degradation microbial inoculum as well as a preparation method and application thereof. The aminoglycoside antibiotic degrading bacterial agent is prepared from the following raw materials: a seed solution of Chryseobacterium (Chryseobacterium sp.) (Chryseobacterium Zn-C) and iron lanthanum modified hydrothermal carbon. The preparation method comprises the following steps: (1) pretreating straws by using a ferric chloride and lanthanum chloride composite solution, and carrying out hydrothermal carbonization; (2) preparing a Chryseobacterium (Chryseobacterium sp.) (Chryseobacterium Zn-C seed solution, and preparing a seed solution of the Chryseobacterium (Chryseobacterium sp.) (Chryseobacterium Zn-C); and (3) compounding the iron-lanthanum modified hydrothermal carbon with the seed solution to form the aminoglycoside antibiotic degrading microbial inoculum. The microbial agent is put into a water body, soil or compost polluted by the aminoglycoside antibiotics to degrade the aminoglycoside antibiotics so as to achieve the pollution remediation effect.

This invention discloses an iron-based nano-earthworm hybrid and its application in the degradation of organic solid waste and antibiotics. The iron-based nano-earthworm hybrid is composed of a live earthworm and a nano-iron-based compound coated with mucus secreted by the earthworm. The method for preparing this iron-based nano-earthworm hybrid includes the following steps: S1. Pretreatment of nanomaterials to obtain a suspension for later use; S2. Earthworm mucus induction to obtain domesticated earthworms; S3. In-situ construction of the hybrid to obtain an iron-based nano-earthworm hybrid. This invention constructs a hybrid system by combining nano-ferric oxide with earthworm mucus. The concentration of hydroxyl radicals in the system can be increased by 4-6 times, and the concentration of hydrogen peroxide can be increased by more than 1 time, effectively improving the removal rate of various types of antibiotics. The removal rate of some antibiotics can reach more than 95%, representing a breakthrough improvement in antibiotic degradation efficiency.

The application belongs to the technical field of water treatment and specifically relates to a kind of biological fluidized bed immobilized microorganism wastewater treatment device and method, which is a tank structure, and a biological reaction zone is arranged in the tank; the biological reaction zone comprises a fixed plate and embedded beads, the fixed plate comprises a first fixed plate and a second fixed plate, and the embedded beads are arranged between the first fixed plate and the second fixed plate; the embedded beads are composed of polyvinyl alcohol, sodium alginate, nano-modified biochar and antibiotic-degrading bacteria. The application creatively combines the biological fluidized bed with the immobilized microorganism technology, so that the microorganisms can be stably attached to the carrier, which not only improves the utilization rate of the microorganisms, but also enhances their resistance to harsh environments; the biological fluidized bed makes the microorganism carrier particles in a fluidized state in the fluid, increases the contact area between the microorganisms and the substrate, and thus improves the mass transfer efficiency.

The invention provides a preparation method and application of a near-infrared response carbon dot composite bismuth vanadate / nickel oxide heterojunction photocatalyst. According to the material, levofloxacin is taken as a precursor, nitrogen-fluorine-doped carbon dots with an up-conversion characteristic are synthesized through a hydrothermal method, and the nitrogen-fluorine-doped carbon dots are compounded with a NiO nanosheet and a BiVO4 precursor which are prepared in advance by adopting a one-step hydrothermal strategy. Due to the up-conversion characteristic of the carbon dots, near-infrared light can be converted into visible light, spectral response is widened, and light capture efficiency is improved; meanwhile, the electron transmission capability of the material is cooperated with the built-in electric field of the BiVO4 / NiO p-n heterojunction, a multi-dimensional transmission channel is constructed, and carrier recombination is inhibited, so that the generation efficiency of active oxygen is remarkably improved, and the photocatalytic material with near-infrared light response characteristics, excellent antibiotic degradation performance and high stability is finally obtained.

This invention discloses an interlayer confined heteroatom-doped carbon material, its preparation method, and its applications. Utilizing the tunable size of LDH crystals, the interlayer confined nanoscale of the carbon material can be precisely controlled by adjusting the synthesis pH. The controllable structure directly enhances reaction kinetics, making the reduction efficiency of Fe³⁺ by the CNS material more than 2.5 times that of traditional carbon materials, while simultaneously significantly improving antibiotic degradation capabilities. The interlayer confined space functions as both a rapid mass transfer channel and a nano-enrichment device, greatly increasing the reactant transport rate and local concentration. Combined with heteroatom doping, it significantly enhances the adsorption and electron transfer capabilities for Fe³⁺, effectively suppressing iron ion hydrolysis and iron sludge formation, simultaneously addressing the three major drawbacks of traditional Fenton processes and bulk carbon-based materials: low utilization of active sites, slow mass transfer, and low iron recycling efficiency. The process is simple and controllable, uses economical raw materials, and the resulting solid material is easy to recycle, making it suitable for the efficient treatment of recalcitrant organic pollutants in rural sewage, industrial wastewater, and other scenarios, demonstrating strong practicality.

The invention discloses a method for treating antibiotic-containing aquaculture tail water by utilizing bacteria-algae granular sludge. The method comprises the following steps: (1) domesticating the bacteria-algae granular sludge; (2) an antibiotic-free exposure test stage; (3) a low-concentration antibiotic exposure experiment stage; (4) a high-concentration antibiotic exposure experiment stage; and (5) an antibiotic exposure recovery experiment stage. According to the method, a symbiotic system is formed by inoculating scenedesmus and aerobic granular sludge, oxygen is supplied by utilizing photosynthesis of algae, a carbon source is produced by metabolism of bacteria, low-energy-consumption operation is realized, an antibiotic degradation path is strengthened, and synchronous removal of nitrite nitrogen and antibiotics is promoted by combining a reflux device. The problems that the concentration of nutrient substances in traditional aquaculture tail water is low, antibiotic residues inhibit microbial activity, the concentration of nitrite nitrogen in effluent is high, and the antibiotic removal efficiency is low are solved, and the method is suitable for efficient treatment of the antibiotic-containing aquaculture tail water.

This invention provides a sulfonamide antibiotic-degrading bacterium, a microbial agent, and their applications. The sulfonamide antibiotic-degrading bacterium, identified as *Klebsiella Michigani*, is deposited at the China General Microbiological Culture Collection Center (CGMCC) with accession number CGMCC No. 39134, on January 22, 2026. This sulfonamide antibiotic-degrading bacterium can be used to degrade various sulfonamide antibiotics in wastewater. This invention isolates, screens, enriches, and domesticates a strain with sulfonamide antibiotic-degrading efficacy from wastewater treatment plant sludge. This strain, identified as *Klebsiella Michigani* by 16S rDNA sequencing, lays a theoretical and strain foundation for the large-scale application of highly efficient sulfonamide antibiotic-degrading bacteria, broadens the spectrum of microbial resources for this type of degradation, and opens up a green and efficient biological treatment pathway to solve the problem of sulfonamide antibiotic residue pollution.

The invention belongs to the technical field of new pollutant removal, and discloses a photocatalyst, a preparation method and application of the photocatalyst in antibiotic degradation. The preparation method comprises the following steps: firstly, synthesizing a hydroxyl organic amine imine cage, preparing a flexible hydroxyl organic amine cation cage with rich N sites through a series of structural modification, and stabilizing photosensitive metal salt by utilizing the N sites of the molecular cage; the photocatalyst is obtained by reducing photosensitive metal salt to obtain photosensitive metal nanoclusters and immobilizing the photosensitive metal nanoclusters in a cavity or a skeleton site of a molecular cage. As the catalyst has a smaller photosensitive metal nano size, fully exposed catalytic active sites and good water solubility, the catalyst has the characteristics of multiple degradation types, high efficiency, good reutilization performance and the like when being used for degrading antibiotics in wastewater according to a homogeneous catalyst principle, and is suitable for purification treatment of biochemical wastewater of a sewage treatment plant.

The present application relates to the technical field of dregs of medicine antibiotic degradation, specifically to a method for antibiotic biological and physical degradation in dregs of medicine, comprising the following steps: step S1, dregs of medicine pretreatment; step S2, strain activation and mixing; step S3, sectional temperature control fermentation; step S4, ultraviolet irradiation; step S5, post-treatment. The present application not only degrades part of antibiotics through early fermentation, but also changes the microstructure of dregs of medicine through microbial metabolism, releases antibiotics from organic matrix, and reduces the energy consumption demand of subsequent irradiation through self-heating. Late ultraviolet-ozone synergistic irradiation not only completely degrades residual antibiotics, but also slightly modifies the organic matter of dregs of medicine using the weak oxidizing property of ozone, thereby improving the nutrient release efficiency when used as organic fertilizer.

The invention relates to a bamboo pottery solid waste-based core-shell hollow sphere filler as well as a preparation method and application thereof. The filler is spherical particles and has a shell-core-hollow three-stage composite structure from outside to inside; wherein the inner core is a hydrophilic bamboo-based porous carbon-ceramic-based sintered composite layer, the shell is a ceramic-based sintered layer, and the middle is a cavity; the preparation method comprises the following steps: S1, raw material treatment; S2, core-shell structure raw material ball preparation; and S3, post-treatment. According to the invention, bamboo-based and ceramic-based solid wastes are used as main raw materials, and the inner core bamboo-based porous carbon-ceramic-based sintered composite layer enriches antibiotics through physical and chemical adsorption, so that inhibition on microorganisms is reduced; the shell ceramic-based micropores provide channels for substrate transmission; an anoxic environment is maintained in the hollow cavity, and the proliferation of denitrifying bacteria and the degradation of antibiotics are promoted, so that the integrated coordination of adsorption, degradation and denitrification is realized, and the adsorption saturation is avoided.

This invention discloses a dual-functional material based on steel slag, its preparation method, and its application, belonging to the field of solid waste resource utilization and environmental pollution control technology. The method uses steel slag, a solid waste from the iron and steel industry, as raw material, and prepares an iron-rich catalyst and a calcium-rich adsorbent through selective leaching. The iron-rich catalyst efficiently activates PMS in a photocatalytic persulfate (PMS) system to degrade tetracycline antibiotics in water; simultaneously, the calcium-rich adsorbent can capture CO2 generated during antibiotic degradation in situ, thus achieving multiple objectives of solid waste resource utilization and pollution and carbon reduction. This invention utilizes widely available and inexpensive raw materials and employs a simple process, effectively improving the high-value-added resource utilization level of steel slag and overcoming the carbon emission problems associated with traditional advanced oxidation technologies, providing a new approach for synergistic technologies of wastewater treatment and carbon reduction.

The application provides a TiO2 / g-C3N4 S-type heterojunction photocatalyst with a close interface, which is constructed based on a one-step in-situ thermal polymerization strategy and is used for deep purification of antibiotic wastewater under visible light driving. In the application, anatase TiO2 nanoparticles and melamine precursors are ground and uniformly mixed at a mass ratio of 4:9, calcined at 550 DEG C for 2h for in-situ thermal polymerization, a chemical bonding close heterojunction interface is constructed, and the defects of a large charge transfer resistance of a traditional physical mixing interface are solved. The composite material has a developed mesoporous structure, and the internal strong electric field and S-type charge transfer mechanism significantly improve the photocatalytic performance. Tetracycline hydrochloride can be completely degraded within 70 min under visible light, the environmental interference resistance is strong, the cycle stability is excellent, and the degradation rate is still more than 83% after 4 cycles. The method is simple in process, conforms to atomic economy, and provides a new scheme for the development of efficient heterojunction photocatalytic materials.

The invention relates to the technical field of photocatalysts, in particular to preparation of a porous nano-zinc oxide photocatalyst and application of the porous nano-zinc oxide photocatalyst in antibiotic degradation, which comprises the following steps: S1, selecting and preparing a template, selecting and preparing a proper template material which is an ordered porous material; s2, preparing a precursor solution; s3, filling a precursor; s4, material deposition; s5, removing the template; s6, post-treatment, wherein the obtained material is washed, dried and subjected to heat treatment; and S7, performance testing. The porous nano zinc oxide photocatalyst is prepared by a template synthesis method, a nano structure with a specific shape and size can be prepared, the porous structure provides a relatively high specific surface area and is beneficial to improvement of catalytic efficiency, a nano material with uniform size distribution can be prepared by the template synthesis method, and the method has good repeatability and is suitable for industrial production. The method is suitable for large-scale production.

This invention belongs to the field of photocatalysis technology, specifically relating to a microbial-MOF photosensitizing material, its preparation method, and its application. The microbial-MOF photosensitizing material comprises antibiotic-degrading bacteria and a metal-organic framework shell encapsulating the surface of the antibiotic-degrading bacteria. The metal-organic framework in the microbial-MOF photosensitizing material provided by this invention has a porous structure, enabling the encapsulated microorganisms to receive sufficient light, enhancing light absorption capacity, and facilitating rapid carrier migration. Ultimately, this gives the microbial-MOF photosensitizing material superior photoelectrocatalytic activity, lowers the photoelectrocatalytic reaction energy barrier, and increases the kinetics of antibiotic degradation.

This invention belongs to the field of livestock and poultry breeding wastewater treatment and agricultural reuse technology, specifically relating to an electrochemically enhanced low-pressure ultrafiltration system and method for reusing livestock and poultry breeding wastewater. The electrochemically enhanced low-pressure ultrafiltration system includes an inlet tank, a constant-level water tank, a gravity-driven low-pressure ultrafiltration membrane module, a water collection device, and a constant-pressure driving power supply. The gravity-driven low-pressure ultrafiltration membrane module includes a reactor, and an anode, an ultrafiltration membrane, and a cathode pre-filtration layer installed within the reactor. The cathode pre-filtration layer consists of a biofilter cake layer and a cathode. This invention, an electrochemically enhanced low-pressure ultrafiltration system and method for reusing livestock and poultry breeding wastewater, addresses the characteristics of livestock and poultry breeding wastewater by employing an externally sourced constant voltage-driven electrochemically enhanced gravity-driven low-pressure ultrafiltration system. It can simultaneously achieve heavy metal reduction, antibiotic degradation, pathogen interception, inhibition of resistance gene transmission, and membrane fouling control under low-energy consumption conditions, while retaining nitrogen and phosphorus resources in the wastewater, ensuring safe reuse for agricultural irrigation.

This application provides a *Staphylococcus pseudoci* AT8 strain for degrading antibiotics and its application. The *Staphylococcus pseudoci* is a species of Staphylococcus (…). Staphylococcus The *Staphylococcus pseudocarpa* species, having a 16S rDNA sequence as shown in SEQ ID NO:1, is named... Staphylococcus pseudoxylosus AT8, deposited on November 20, 2025 at the Guangdong Provincial Center for Microbial Culture Collection, accession number: GDMCC No: 67323. This application pertains to *Staphylococcus pseudocarpa*. Staphylococcus pseudoxylosus AT8 can achieve a degradation rate of over 90% for trimethoprim and tilmicosin, and over 78% for enrofloxacin. Furthermore, this application enriches the antibiotic-degrading bacterial strain library, promotes the control of new antibiotic pollutants in livestock and poultry manure and farmland soil, and facilitates the resource-based treatment and safe utilization of solid waste, demonstrating broad application prospects.

This invention discloses a method, system, and application for treating antibiotic-containing wastewater. The treatment method includes the following steps: inoculating sludge into a wastewater treatment reactor, then introducing wastewater for treatment; adding N-acylhomoserine lactone during the 149th-212th day of wastewater treatment; the N-acylhomoserine lactone includes C6-HSL and C12-HSL; the concentration of the N-acylhomoserine lactone in the system is 1-2.8 μM. This invention's method for treating antibiotic-containing wastewater, by adding N-acylhomoserine lactone during the wastewater treatment stage, effectively improves the antibiotic degradation rate, methane production, and QS-related gene abundance during the wastewater treatment stage, and can be effectively used to treat antibiotic-containing wastewater.

The invention discloses an immobilization method and application of a sulfonamide antibiotic degrading flora, and belongs to the technical field of sewage treatment. The chitosan modified filler is used as an immobilization carrier, and in the process of immobilizing the sulfonamide antibiotic degrading flora, the sulfonamide antibiotics, the specific carbon source and the specific nitrogen source are added, so that the immobilization process can be enhanced, the immobilization period can be shortened, and meanwhile, the biomass of the immobilized degrading flora can be improved; the sulfonamide antibiotic degrading flora can be better colonized, and the degradation rate of the immobilized sulfonamide antibiotic degrading flora filler to sulfonamide antibiotics is obviously improved; besides, the immobilized sulfonamide antibiotic degrading flora filler obtained by the immobilization method has the characteristics of quick response and long-term operation stability, can meet the emergency treatment requirements of sudden antibiotic pollution events, can also be used as a biological enhancement means to play a role, can be suitable for large-scale wastewater treatment engineering, and has a wide application prospect. The method has the advantages of high efficiency, economy and environmental protection.

The invention discloses a method for predicting the antibiotic degradation rate in a mushroom dreg hydrothermal process based on data driving, and belongs to the field of solid waste disposal and resource utilization. The method solves the problems of low efficiency and high cost of a traditional antibiotic degradation optimization method. The method comprises the following steps: firstly, collecting experimental parameters and results of a mushroom dreg hydrothermal process, and constructing an original experimental data set of a numerical value type; and constructing a machine learning prediction model of the antibiotic degradation rate in the mushroom residue hydrothermal process by adopting extreme improvement, random forest and K nearest neighbor methods, and selecting an optimal model according to evaluation indexes, thereby realizing accurate prediction of the antibiotic degradation rate in the mushroom residue hydrothermal process under different parameters. The effect of each parameter on the degradation rate is represented through the single-factor PDP graph, the synergistic effect among the parameters is represented through the double-factor PDP graph, and then the parameters of the mushroom dreg hydrothermal treatment process are optimized according to the prediction result and the PDP graph. The method can be applied to parameter optimization in the antibiotic hydrothermal process.

The invention belongs to the technical field of new materials, and particularly discloses a porous high-entropy alloy catalyst and a preparation method and application thereof. A powder bed melting technology is used for constructing a three-period tiny curved surface structure micron hole precursor of the high-entropy alloy; and then placing the precursor in a corrosive liquid by adopting a dealloying technology, and removing active elements in the precursor, thereby forming a nano-porous structure on the surface of the precursor, and forming the micro-nano hierarchical porous high-entropy alloy catalyst. The catalyst has the characteristics of controllable structure, high catalytic activity, high cycle durability and the like. Compared with a traditional powder nano-catalyst and a supported catalyst, the catalyst has the advantages that the cycle index reaches 400 times or above in the antibiotic degradation process, and the activity is not obviously lost. In addition, the catalyst prepared by the invention has certain mechanical strength, and can be used for constructing a water treatment grating plate, a stirring paddle of a farm water oxygen pumping machine and the like.

This invention proposes a CuO / Co3O4 heterojunction catalyst and its application in the degradation of bisphenol A (BPA), relating to the field of antibiotic degradation technology. Addressing the shortcomings of existing catalysts in terms of insufficient catalytic activity and stability in complex aquatic matrices with high salt and high organic matter content, this invention provides a CuO / Co3O4 heterojunction catalyst. This catalyst combines MOF-derived CuO as the catalyst core with Co3O4, providing a high specific surface area, abundant defects / functional groups, and good mass transfer characteristics. This enhances the catalytic performance for PMS activation while reducing the aggregation of metal oxides within the catalyst structure. Furthermore, MOF-derived carbon can serve as an electron transport channel and interface regulation scaffold, promoting the construction of a stable heterojunction interface and improving recyclability. Accordingly, the interfacial coupling of the copper-based MOF-derived CuO / carbon composite material with Co3O4 ensures high activity while achieving precise control of the PMS activation pathway through interfacial electronic structure regulation.

The application discloses a preparation method and application of a carbon oxide lanthanum nanotube, sulfur indium copper nanoparticle and Basham ternary heterojunction composite catalyst. The composite catalyst is prepared by adding thioacetamide, copper sulfate, indium sulfide and carbonized Basham fine slag into a carbon oxide lanthanum electrospinning film as a precursor through a one-step hydrothermal method. During the hydrothermal process, the thioacetamide hydrolyzes to remove polyacrylonitrile in the spinning film, forming hollow carbon oxide lanthanum nanotubes; the thioacetamide and sulfur salt and indium salt are hydrothermally generated into sulfur indium copper nanoparticles; the carbon oxide lanthanum nanotubes are deposited on the surface of the carbonized Basham fine slag, the sulfur indium copper nanoparticles are uniformly distributed and closely contacted, and a heterojunction interface is constructed. The catalyst has excellent photocatalytic degradation performance on ciprofloxacin, and the degradation rate reaches 72.26% in 60 min. The core advantage lies in the synergistic effect of the ternary heterojunction system: the adsorption capacity of the carbonized Basham fine slag is enhanced to enrich pollutants, the carbon oxide lanthanum and the sulfur indium copper heterojunction interface promotes the separation and transfer of photo-generated electrons and holes, and high-efficiency degradation is realized.

This invention belongs to the field of photocatalytic material preparation and antibiotic degradation technology, specifically relating to a ZIF-67(C) / g-C3N4 heterojunction photocatalyst, its preparation method, and its application in antibiotic degradation. This invention involves pre-calcining ZIF-67 to generate CN-framework-encapsulated zero-valent cobalt, which is then mixed with melamine and calcined to form the ZIF-67(C) / g-C3N4 heterojunction photocatalyst. This catalyst not only contains CN-framework-encapsulated zero-valent cobalt, Co3O4, and g-C3N4, but also forms a Co3O4 / g-C3N4 p-n heterojunction, exhibiting a synergistic activation effect on PMS, thus enhancing the catalyst's catalytic degradation effect on antibiotics. At a low dosage of 0.2 g / L, this catalyst can essentially completely degrade tylosin in water within 10 minutes.