93 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 invention belongs to the technical field of microorganisms, and particularly discloses a fluoroquinolone antibiotic efficient degrading bacterium and application thereof. The fluoroquinolone antibiotic degrading bacterium is Kocuria sp. X03, the preservation number of the Kocuria sp. X03 is CCTCC NO: M 2025522, the invention provides the fluoroquinolone antibiotic degrading bacterium Kocuria sp. X03 separated from soil, the Kocuria sp. X03 can efficiently degrade fluoroquinolone antibiotics, an antibiotic degrading strain library is enriched, biotransformation mechanism research and bioremediation application are promoted, and the application prospect is wide. The strain can be used for degrading and eliminating livestock and poultry manure and residual antibiotics in farmland soil, and has certain research and application values.

The invention discloses a sewage treatment method based on reinforcement of composite magnetic nanoparticles, and belongs to the technical field of sewage treatment, and the sewage treatment method comprises the following steps: 1, pretreatment: intercepting large-particle-size floating objects in wastewater by using a grid, and stirring by using an adjusting tank to uniformly mix water; in the second step, composite magnetic nanoparticles are added into the pretreated wastewater, and nitrogen and phosphorus adsorption and electric energy collection and storage are achieved at the same time; 3, separation: separating the composite particles through a magnetic separation device, and further purifying the wastewater through a sedimentation tank; 4, regeneration: forming an electric field by utilizing the collected electric energy, desorbing particles by combining with a neutral solution of an antibiotic degradation product, and recycling after cleaning; 5, standard reaching and energy consumption balance are carried out, the wastewater is disinfected, the water quality is monitored, the stirring speed and the power supply proportion are adjusted in a linkage mode, and standard emission and energy consumption self-balance are ensured. The method does not need to depend on microorganisms, particles and energy recycling, the treatment efficiency is high, and the operation cost is low.

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 provides a preparation method and application of a photocatalytic microorganism-nano material heterozygote. The heterozygote is formed by compounding electroactive bacteria Shewanella oneidensis MR-1 and a nano material CNx with a photoelectric effect, degradation of antibiotics such as tetracycline and the like is accelerated by utilizing photo-induced electrons and holes generated by excitation of the CNx under a natural illumination condition, inhibition of the antibiotics on microbial activity is relieved, the microbial metabolism efficiency is improved, and the degradation rate of antibiotics such as tetracycline and the like is increased. Therefore, nitrogen and phosphorus elements in the wastewater are rapidly induced to form magnesium ammonium phosphate crystals, and synchronous antibiotic degradation and nitrogen and phosphorus resource recovery are realized. The method is easy and convenient to operate, environmentally friendly and high in phosphorus recovery efficiency, the obtained magnesium ammonium phosphate crystals are controllable in grain size and excellent in quality, and the method is suitable for resourceful treatment scenes of antibiotic-containing organic pollutants such as breeding wastewater and has good application and popularization prospects.

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 discloses an efficient detoxification and nutrient recovery method for aerobic composting of fungus-enhanced erythromycin fermentation fungus residues, and belongs to the field of solid waste disposal and resource reutilization. The method comprises the following steps: mixing erythromycin fermentation mushroom dregs subjected to high-temperature sterilization treatment with corn straw powder, inoculating trichoderma asperellum, and carrying out aerobic composting fermentation. According to the method, aerobic co-compost of erythromycin fermentation mushroom dregs and crop straws is strengthened by inoculating an antibiotic degrading microbial agent taking trichoderma asperellum as a core, and an organic fertilizer which is high in nutrient content and is non-toxic and harmless is produced, so that an efficient, economical and environment-friendly solution is provided for solving the problem of resource utilization of the erythromycin fermentation mushroom dregs.

The application relates to the technical field of nanomaterials, in particular to a CoMo-BTNT anode, a preparation method and application thereof, wherein the preparation method comprises the following steps: preparing a Ti substrate; preparing a titanium dioxide nanotube array by using the Ti substrate; depositing a Co-Mo oxide layer deposition solution onto the surface of the TNA through a direct current deposition method, and then performing annealing heat treatment to prepare a CoMo-TNA; and preparing the CoMo-BTNT anode by taking the CoMo-TNA as a cathode and a Pt sheet as an anode; the application further provides application of the above CoMo-BTNT anode in antibiotic degradation in water; the application takes the TNA as a base layer, and deposits an active CoMo oxide layer thereon; the CoMo-BTNT anode has good conductivity and electrocatalytic performance, the conductivity of the anode is improved, an effective electrically assisted activated PMS tetracycline degradation system is constructed, and a new solution idea is provided for tetracycline wastewater treatment.

The invention discloses a high-activity nitrogen-doped catalyst for efficiently degrading chemical organic wastewater, which is characterized in that a precursor containing nitrogen or rich functional groups is self-polymerized with metal to anchor a large number of metal ions, and a stable coordination environment is provided for the metal ions through rapid self-polymerization, so that the chemical organic wastewater can be efficiently degraded. Therefore, metal aggregation is inhibited, and metal leaching in the using process is prevented. The catalyst provided by the invention can be used for degrading organic wastewater, has the advantages of small catalyst dosage, good catalyst performance and good degradation effect, can completely degrade dye to the highest degree of 100%, can degrade antibiotics to the highest degree of 99%, and is a catalyst with wide application prospects in the field of chemical organic wastewater treatment.

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 discloses a PDDA modified LaFeO3 / g-C3N5 magnetic composite photocatalyst, a preparation method thereof and application of the PDDA modified LaFeO3 / g-C3N5 magnetic composite photocatalyst in antibiotic degradation, and the preparation method comprises the following steps: (1) dispersing g-C3N5 in water, and adjusting pH to obtain a g-C3N5 suspension; (2) dispersing the LaFeO3 nano material in water, adjusting the pH value, adding a PDDA solution, stirring, separating and drying to obtain PDDA modified LaFeO3 powder; and (3) dispersing the PDDA modified LaFeO3 powder in water, dropwise adding the PDDA modified LaFeO3 powder into the g-C3N5 turbid liquid under a stirring condition, continuously stirring and reacting, and centrifuging and drying to obtain the magnetic composite photocatalyst. According to the invention, the PDDA modified LaFeO3 / g-C3N5 composite material with high catalytic activity, strong magnetic recovery performance and excellent stability is obtained, and effective degradation of antibiotics in wastewater is realized.

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 present application relates to the field of antibiotic degradation, and discloses a plant growth condition optimization method based on antibiotic pollutant degradation effect analysis, comprising the following steps: through sampling soil contaminated by antibiotic pollutants and detecting the types and concentrations, determining plants that can degrade antibiotic pollutants, i.e., target degradation plants, then based on the target degradation plants, performing experimental simulation on different types of antibiotic pollutants, and evaluating the experimental results, generating and adjusting the growth conditions of the target degradation plants according to the degradation rate optimization. The present application can optimize the growth conditions of plants, such as temperature, illumination, humidity, etc., improve the degradation efficiency of plants on antibiotics, and thus increase the economic benefits of plants in antibiotic pollution control.

The application discloses a PDDA modified LaFeO3 / g-C3N5 magnetic composite photocatalyst, a preparation method thereof and application of the photocatalyst in antibiotic degradation, and comprises the following steps: (1) dispersing g-C3N5 in water and adjusting pH to obtain a g-C3N5 suspension; (2) dispersing LaFeO3 nanomaterial in water and adjusting pH, adding a PDDA solution and stirring, and then separating and drying to obtain PDDA modified LaFeO3 powder; (3) dispersing the PDDA modified LaFeO3 powder in water, and under stirring conditions, dropping the powder into the g-C3N5 suspension, continuing to stir and react, and then centrifuging and drying to obtain the magnetic composite photocatalyst. The PDDA modified LaFeO3 / g-C3N5 composite material obtained in the application has high catalytic activity, strong magnetic recovery performance and excellent stability, and realizes effective degradation of antibiotics in wastewater.

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.

The invention discloses a modified biochar matrix loaded with electroactive bacteria and a preparation method and application thereof, and relates to the technical field of environmental protection, and the preparation method comprises the following steps: (1) preparing a biochar carrier; 2) modifying the surface of the ferro-manganese metal oxide; and (3) carrying out attachment culture on the electroactive bacteria on the surface of the substrate. Biochar is prepared by a hydrothermal method to serve as a carrier, modification of metal oxides such as iron and manganese is carried out on the surface of the biochar, modified hydrothermal biochar is obtained, the material is used as the biochar carrier, on one hand, directional enrichment of electroactive bacteria is achieved through directional culture, on the other hand, the extracellular electron transfer process is enhanced, and the electroactive bacteria can be effectively enriched. Therefore, antibiotic degradation is promoted.

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 discloses a method for promoting the degradation of penicillin antibiotics in water, comprising: S1, water quality detection; S2, medium adjustment; S3, catalytic degradation; S4, precipitation reaction. The invention uses calcium ions and organic matter to adjust the medium of the water to be treated, so that the water to be treated can be in a good state. The calcium ions can coordinate with the carbonyl and carboxyl groups in the penicillin molecules, stabilize the hydrolysis reaction intermediates, and accelerate the hydrolysis rate of the penicillin antibiotics. The characteristic functional groups such as amino groups and thiol groups in the biological metabolic organic matter can also serve as strong nucleophilic reagents to promote the rapid hydrolysis of the penicillin antibiotics. At the same time, through the specific setting of the method, it is possible to avoid secondary pollution of the water to be treated by calcium ions and biological organic metabolic media before degradation.

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.

The present application relates to a kind of water body antibiotic and its degradation intermediate toxicity determination device and method, belong to the detection technical field of water antibiotic.The determination device includes: degradation reaction chamber, degradation reaction chamber is horizontally arranged flat plug flow reactor, the two ends of flat plug flow reactor are continuous water inlet and continuous water outlet respectively;Degradation reaction chamber is provided with fixed matrix, and microbial membrane or photodegradation material is attached on fixed matrix, or continuous inlet section is connected with chemical oxidant;The bottom of degradation reaction chamber is provided with multiple low-flow water outlets at the distance set along length direction;Low-flow water outlet is connected with toxicity detection device;The flow ratio of single low-flow water outlet and continuous water outlet is 1:(300-1000), and the number of low-flow water outlet is 3-10.In flat plug flow reactor, the time difference of antibiotic degradation process can be reflected from different low-flow water outlet position, so toxicity is determined at each point, and the toxicity of antibiotic matrix and intermediate product can be more accurately obtained.

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.