223 results about "Anaerobic bacterium" patented technology

The invention belongs to the technical field of wastewater treatment and energy recovery, and provides a regulation and control method for promoting anaerobic acid production by taking soybean molasses as a substrate through cooperation of ferroferric oxide and bamboo charcoal. Soybean molasses is used as a substrate carbon source, anaerobic activated sludge is inoculated in a medium-temperature SBR reactor, the volume ratio of reactor inflow sewage to sludge is 2: 1, ferroferric oxide and bamboo charcoal composite conductive particles which are subjected to ball milling treatment and have the concentration of 1 g / L are added to promote an anaerobic fermentation system to produce acid, and then anaerobic fermentation is carried out. The mass ratio of ferroferric oxide to bamboo charcoal in the ferroferric oxide and bamboo charcoal composite conductive particles is (1: 2)-(2: 1); monitoring the acid yield, the pH value change and the product type; and the variety and concentration of the acid-producing substance are analyzed, and the interaction of all the components in the reaction process is evaluated. The acid production rate and the total acid production amount in the anaerobic acid production process are obviously improved. And the activity of anaerobic flora is promoted. The variety distribution of acid-producing substances is obviously optimized, and the stability of the acidification process is improved.

The invention discloses a compound micro-ecological preparation for aquatic products as well as a preparation method and application thereof, and belongs to the technical field of micro-ecological preparations. The microecological preparation disclosed by the invention comprises clostridium butyricum, bacillus licheniformis, enterococcus faecalis and lactobacillus plantarum. The microecological preparation is combined with concentrated cottonseed protein for use, can replace fish meal, is added into feed, can remarkably improve the immunocompetence, oxidation resistance and digestive enzyme activity of animals, and can improve the relative abundance of beneficial bacteria in intestinal tracts, inhibit the growth of pathogenic bacteria and regulate the microecological balance of the intestinal tracts after entering the intestinal tracts of the animals. According to the invention, aerobic bacteria and anaerobic bacteria are cooperatively used, oxygen in the surrounding environment is greatly consumed by bacillus licheniformis and enterococcus faecalis, the proliferation of beneficial bacteria such as clostridium butyricum and lactobacillus plantarum is promoted, and the probiotic effect is fully played.

The invention belongs to the technical field of biomass anaerobic treatment, and particularly discloses a method for preparing methane through biomass anaerobic digestion based on oxygen nano bubble water. Biomass, activated sludge, oxygen nano bubble water and water are mixed, anaerobic digestion treatment is carried out, and methane is obtained. By introducing high-stability oxygen nano bubble water, a suitable micro-aerobic environment is provided for facultative anaerobic bacteria, so that the metabolic activity of the facultative anaerobic bacteria is activated, the decomposition and conversion of complex organic matters are accelerated, and the efficiency of a hydrolytic acidification stage is remarkably improved. Compared with a traditional chemical or physical pretreatment mode, the method has the advantages that interference on anaerobic flora is avoided, the degradability of a substrate is effectively enhanced, and more sufficient organic acid is provided for a subsequent methane production stage, so that the yield of methane is increased.

The invention discloses a high-sensitivity oxygen-resistant anode MFC (Microbial Fuel Cell) sensor for biotoxicity detection and a preparation method thereof. The sensor comprises a positive electrode, a negative electrode, a positive electrode chamber, a negative electrode chamber, a diaphragm, a current loop and a data acquisition system, a double-layer biological membrane is formed on the positive electrode through aerobic domestication, the outer layer is an aerobic bacteria layer, and the inner layer is an anaerobic electroactive bacteria layer. The aerobic bacteria on the outer layer consume dissolved oxygen and provide a stable environment for the anaerobic bacteria on the inner layer, so that the oxygen resistance and the operation stability of the sensor are remarkably improved. When the toxicity of a to-be-detected sample is detected, the biotoxicity of the sample is represented through the electrogenesis inhibition rate of the sensor. Experiments show that the response sensitivity of the sensor to toxic substances (such as Cu (II)) is obviously higher than that of a traditional anaerobic MFC sensor, and the sensor shows excellent anti-interference capability under different dissolved oxygen conditions. The method is suitable for rapid detection of biotoxicity of water and environmental samples, and has the characteristics of high sensitivity, strong oxidation interference resistance and good stability.

The invention relates to a specific culture medium for detecting propionibacterium acnes in cosmetics and a detection method thereof, and belongs to the technical field of microbiological detection. Every 1000 mL of the specific culture medium contains 5-25 g of a nitrogen source, 5-10 g of a carbon source, 0.02-16 g of an inhibitor, 0.01-0.02 g of a color indicator, 0.1-13 g of a conditioning agent and the balance of a solvent. The inhibitor comprises Tween 80, a tea tree oil extract, cholate, sodium laurate and hydroxyproline. The specific culture medium provided by the invention is a propionibacterium acnes selective culture medium which is free of antibiotics, high in selectivity, sensitive in color development and low in cost. By optimizing the components of the culture medium and adding the selective inhibitor and the color indicator, the growth of other facultative anaerobic bacteria such as lactic acid bacteria can be effectively inhibited, specific culture and color development detection of propionibacterium acnes are carried out, and the accuracy and reliability of detection are improved.

The utility model discloses a micro-power nitrogen removal tank. The micro-power nitrogen removal tank comprises a first chamber, a second chamber, a fluid discharge channel and a gas supply unit, wherein the first chamber is used for reducing oxygen content; the second chamber is used for removing nitrogen; the first chamber is provided with a water inlet, the upper part of the first chamber is communicated with the upper part of the second chamber, and the lower part of the second chamber is communicated with the lower part of the fluid discharge channel; the gas supply unit is communicated with the lower part of the fluid discharge channel and is used for introducing gas into the fluid discharge channel; during application, aerobic bacteria can be added into the first chamber, and anaerobic bacteria can be added into the second chamber; sinking the micro-power nitrogen removal tank added with the strain into a sewage water body; the micro-power nitrogen removal tank disclosed by the utility model can realize flowing of an internal water body only under the action of airflow, is extremely low in energy consumption, and can assist in realizing removal of total nitrogen under the condition that the ecology of a natural water body is not changed.

The invention relates to the technical field of blood culture bottles, in particular to a composition and application thereof in preparation of a microbial culture medium. Yeast extract powder, soy peptone and casein tryptone are combined into a nitrogen source, and an aerobic and anaerobic culture medium for clinical pathogenic microorganism culture is formed. Through comparison verification, in growth experiments of nine aerobic bacteria and seven anaerobic bacteria, the culture speed and the biomass accumulation of the aerobic and anaerobic culture media added with the composition are integrally superior to those of other components excluded in the prior art and screening. Therefore, the composition can effectively promote the performance of a blood culture product, improve the clinical blood flow infection detection capability, inhibit antibiotic abuse and save the life of a patient.

The invention discloses a lithium battery precious metal recovery method based on microorganism-electrochemical coupling and one-way membrane separation, which comprises the following steps: step 1, pretreatment of a waste lithium battery: performing complete discharge treatment on the waste lithium battery, then disassembling the battery in an oxygen-free environment, separating out a positive electrode material and a negative electrode material, and drying the positive electrode material and the negative electrode material; electrode material black powder containing precious metal is obtained; 2, designing an anaerobic tank, and culturing and domesticating an acid-producing electroactive flora; 3, continuously and stably adding black powder into the anaerobic tank; copper electrodes are added to the two sides of the cylindrical anaerobic tank and the center of the one-way membrane, a power source is connected, the positive electrode is connected with the electrodes on the two sides of the anaerobic tank, and the negative electrode is connected with the membrane center electrode. Compared with the prior art, the method has the advantages that the solid-to-liquid ratio of microbiological leaching can be greatly increased through microbiological-electrochemical coupling and one-way membrane separation, the transfer efficiency of precious metal electrons is accelerated, anaerobic flora is protected, poison to the anaerobic flora is reduced, and the service life of equipment is prolonged.

The utility model provides a pair of full-hemp surface layer menstrual period trousers, which comprises a full-hemp surface layer menstrual period trousers body which is in the shape of underpants formed by cutting and compounding non-woven fabrics and rubber bands. The full-China-hemp surface layer menstrual period pants body sequentially comprises a surface layer, a flow guide layer, an absorber, an anti-leakage bottom film and an elastic surrounding body from the skin contact surface to the bottom, and the surface layer is made of full-China-hemp non-woven fabric. The surface layer is the non-woven fabric made of all China-hemp fibers, the China-hemp fibers belong to natural plant fibers and can destroy the thallus structure of bacteria and prevent anaerobic bacteria from surviving, the China-hemp fibers have moisture absorption and quick drying functions, a dry environment is not beneficial to bacterial reproduction, menstrual blood is quickly pulled to the bottom through the multi-layer tiled structure in the absorber, and therefore the menstrual blood can be quickly absorbed. The China hemp fibers can effectively inhibit bacterium breeding and prevent bacteria from breeding upwards, skin or gynecological diseases caused by contact with skin are avoided, and the use requirement of women for menstrual period trousers is met.

A medium supplement for high-yield culture of anaerobes is disclosed. The medium supplement includes N-acetylhexosamine, L-aspartic acid, L-cysteine and cobalamin. A culture medium including the supplement and a culture method using the culture medium are also disclosed. It is possible to provide an innovative method which is capable of achieving high-concentration culture of anaerobes that are difficult to culture in high yield. The method is cost-effective, and in particular, is capable of culturing large amounts of fastidious aerobes suitable for use in food and pharmaceutical applications.

The invention relates to a composite microbial inoculant and an evaluation method for the antibacterial effect thereof. The method optimizes the in-vitro culture mode of the microbial agent compounded by aerobic bacteria and anaerobic bacteria by simulating the intestinal environment of probiotics in an animal body, and adopts a facultative anaerobic culture method for the microbial compound agent, namely, the outer layer of a sealing film of a triangular flask is wrapped with four layers of preservative films, and the neck of the triangular flask is tightened by a rubber band. The facultative anaerobic environment of aerobic bacillus and facultative anaerobic enterococcus faecalis is considered in the microbial composite inoculant, in the subsequent oxford cup bacteriostasis evaluation experiment, the experiment result with the accurate bacteriostasis effect and good parallelism can be obtained, and the action effect of bacillus and enterococcus faecalis composite bacteria can be efficiently and scientifically evaluated.

The utility model discloses a sewage treatment device which comprises a homogenizing tank, one side of the homogenizing tank is connected with a monitoring room through a first conveying pipe, the homogenizing tank is connected with a biological fluidization tank through a second conveying pipe, one side of an anaerobic digestion tank is connected with an ozone tank through a pipeline, and one side of the ozone tank is connected with a biological aerated filter through a pipeline. A plurality of aerators are arranged in the biological aerated filter, stirring blades and a motor are arranged in the homogenizing tank, and different kinds of sewage from the septic tank effluent collecting tank, the domestic sewage inlet and the production wastewater inlet can be fully mixed through stirring, so that the quality and the quantity of the sewage entering a subsequent treatment unit are more uniform; according to the sewage treatment system disclosed by the invention, by adopting a mode of synergism of multiple treatment processes, the anaerobic digester can decompose macromolecular organic matters into micromolecules by utilizing anaerobic bacteria, and multiple processes are combined, so that various pollutants such as organic matters, heavy metals and toxic and harmful substances in sewage are more thoroughly removed, and strict environment-friendly emission standards can be better met.

The present invention discloses a method for improving black soil by applying a manure fertilizer in a furrow combined with returning straw to the field. The method comprises the following steps: returning straw to the field: after harvesting the previous crop, crushing the previous crop straw and returning it to the field; preparing a composite inoculant: inoculating psychrophilic bacteria, cellulolytic bacteria, and anaerobic bacteria into LB culture medium to form a bacterial solution, diluting the bacterial solution 20-100 times, mixing them in a volume ratio of (1-2):(1-2):(1-2), and adding auxiliary materials to prepare a composite inoculant; applying the composite inoculant into the 0-15 cm soil layer through shallow furrows along the planting rows at a dosage of 100-150 kg / mu; and sowing seedling strips in alternate years. The method of the present invention can significantly increase the organic matter content of black soil, improve soil aggregate structure, reduce the salinity of the plow layer, and achieve rapid soil fertilization and stable crop yield and efficiency.

The invention discloses a method for improving the processing quality of tobacco leaves by using a facultative anaerobic bacterium compound preparation, which comprises the following steps: preparing seed solutions of bacillus altitudinis ZY02-1, bacillus subtilis SMXP-58 and klebsiella variicola HNYJ-3, preparing a tobacco extracting solution, compounding the seed solutions according to the ratio of 2: 1: 2, centrifuging, resuspending and culturing by using the tobacco extracting solution to obtain a compound bacterial agent, and preparing the compound bacterial agent by using the facultative anaerobic bacterium compound preparation. And finally, spraying the complex microbial inoculant according to the inoculum size of 2-5% until the primarily-cured tobacco leaves are dampened until the moisture content is 14-15%, sealing, stacking and fermenting at 20-30 DEG C for 3-5 days, and then re-drying. By means of the method, decomposition of polyphenol and terpene aroma precursors of the tobacco leaves can be accelerated, the content of aroma substances such as megastigmatrienone is remarkably increased, aroma components such as oxidized isophorone are added, the aroma quality and the aroma amount of cigarettes are improved, offensive odor is reduced, and the aftertaste and smoking comfort are improved.

The invention discloses a method for treating PBAT wastewater by zero-energy-consumption enhanced anaerobic bacteria, which comprises the following steps: (1) uniformly mixing Fe3O4 and GAC according to a certain mass ratio, so that Fe3O4 powder is uniformly attached to the surface of the GAC to prepare a Fe3O4-coated GAC complexing agent, and adding the Fe3O4-coated GAC complexing agent into an anaerobic reactor filled with PBAT wastewater and anaerobic sludge; and (2) forming a magnetic field environment on the outer side of the anaerobic reactor, and coupling the Fe3O4-coated GAC complexing agent with an exogenous magnetic field to form an endogenous current to strengthen anaerobic bacteria in the anaerobic sludge to treat the PBAT wastewater until COD is not degraded any more. According to the zero-energy-consumption method for strengthening anaerobic bacteria treatment of the PBAT wastewater, no chemical agent needs to be added, the operation cost is low, secondary pollution is avoided, generated fuel gas such as methane can be recycled, secondary economic benefits can be generated, the method has the advantages of being efficient, environmentally friendly and economical, and a new solution is provided for treatment of the PBAT wastewater.

The invention discloses an anaerobic bacterial agent and a method for improving the anaerobic methane production rate of medium-temperature and medium-temperature cellulose. The compound anaerobic microorganism liquid bacterial agent is prepared from clostridium termite, thermophilic anaerobe of ethanol, clostridium swardii and methanosarcina barkeri, and the compound anaerobic microorganism liquid bacterial agent is prepared from the following raw materials: clostridium termite, thermophilic anaerobe of ethanol, clostridium swardii and methanosarcina barkeri, and the compound anaerobic microorganism liquid bacterial agent is prepared from the following raw materials: the compound anaerobic microorganism liquid bacterial agent, the compound anaerobic microorganism liquid bacterial agent, the compound anaerobic microorganism liquid bacterial agent and the compound anaerobic microorganism liquid bacterial agent, the compound anaerobic microorganism liquid bacterial agent, the compound anaerobic microorganism liquid bacterial agent and the compound anaerobic microorganism liquid bacterial agent, and the compound anaerobic microorganism liquid bacterial agent is prepared from the compound anaerobic microorganism liquid bacterial agent and the compound anaerobic microorganism liquid bacterial agent. The microbial inoculum is formed by compounding four strains of synergistic bacteria, the culture process is simple and easy to implement, and when the microbial inoculum is applied to medium-temperature and medium-temperature anaerobic digestion, the conversion rate of cellulose to methane (greater than 40%) and the yield of methane (greater than 120%) can be remarkably improved.

The present invention discloses a device for deeply multi-stage treating industrial wastewater, and the wastewater treatment process steps of the device are as follows: 1) collecting the wastewater through a collecting tank; 2) introducing the wastewater in the collecting tank into a pH adjustment tank, testing the pH value of the sewage in the tank through a pH tester in the pH adjustment tank, and adjusting the pH value to pH 3-5.5; 3) the adjusted wastewater enters an iron-carbon reactor, and iron-carbon micro-electrolysis treatment is carried out on the wastewater in the iron-carbon reactor, and the reaction time is 40-95 minutes; 4) the wastewater treated by the iron-carbon reactor enters a neutralization device to neutralize the wastewater and adjust the pH value of the sewage to 7-9; 5) the neutralized wastewater is introduced into an anaerobic device for anaerobic treatment; 6) the wastewater treated anaerobically is subjected to sedimentation treatment through a sedimentation tank. The present invention can change the flow direction of the wastewater, can not only accelerate the neutralization rate of the wastewater, but also make the wastewater neutralize more evenly; and can prevent a large amount of anaerobic bacteria sludge from being carried inside the discharged clear water.

The invention relates to the technical field of wastewater treatment, and discloses a chemical wastewater treatment system, which is characterized in that an adjusting tank is used for introducing chemical wastewater, adjusting the pH of the wastewater through a pH regulator, and adding suspended solids to obtain pretreated wastewater; the anaerobic reaction tank is used for introducing the pretreated wastewater, adding an anaerobic bacterium agent, carrying out biogas backflow aeration stirring, and regulating and controlling the biogas backflow flow and the stirring intensity in real time through a fuzzy PID algorithm; the aerobic reaction tank is used for introducing anaerobic effluent, adding an aerobic microbial agent, predicting the degradation-resistant COD (Chemical Oxygen Demand) concentration of the effluent by adopting an LSTM (Long Short Term Memory) model, and if a predicted value is greater than 50mg / L, prolonging the hydraulic retention time by 0.5-1h or increasing the dosage of the microbial agent; the hydrogen incinerator is used for heating anaerobic reaction inlet water to 30-35 DEG C through the heat exchanger; the post-treatment unit is used for discharging or recycling aerobic effluent after the aerobic effluent is subjected to membrane filtration and disinfection and reaches the standard; the degradation-resistant COD (Chemical Oxygen Demand) standard-reaching rate of effluent is improved.

The utility model discloses an anaerobic reactor for wine brewing wastewater treatment relates to anaerobic reactor technical field, including reaction box, support leg, rotation water distribution subassembly, blow -off pipe subassembly, marsh gas collection subassembly and blow -off subassembly, the inside installation of reaction box has rotation water distribution subassembly, blow -off pipe subassembly, marsh gas collection subassembly and blow -off subassembly, and the downside of reaction box is provided with four support legs, rotation water distribution subassembly contains rotating cylinder, circular water distribution tray, shower nozzle, scraper, filter plate mounting ring and conical filter plate, and the upper end middle part rotation of reaction box is connected with rotating cylinder, and the lower end of rotating cylinder is provided with circular water distribution tray, and the outside of circular water distribution tray is provided with a plurality of shower nozzles, and this anaerobic reactor for wine brewing wastewater treatment can filter and clean up big granular pollutant, is equipped with water level and temperature double detector simultaneously, monitors the reaction environment in real time, ensures the best activity of anaerobiosis group, and improves the processing efficiency of organic wastewater.

The utility model discloses an anaerobic bacterium feeding device, which belongs to the field of sludge recycling and comprises a moving mechanism and a stirring mechanism, the moving mechanism comprises a second motor and a threaded rod, and the second motor and the threaded rod are mounted on a sludge treatment box; the stirring mechanism comprises a driving gear, a first driven gear, a second driven gear, a first rotating shaft and a second rotating shaft, the stirring mechanism and the anaerobic bacteria liquid outlet are driven to move in the sludge treatment box through movement of the connecting piece, multi-point and uniform feeding of anaerobic bacteria in sludge is achieved, the feeding range is expanded, and the feeding efficiency is improved. The condition that anaerobic bacteria are unevenly distributed in the sludge treatment box is effectively improved, meanwhile, through the design that the two stirring shafts rotate bidirectionally and the stirring blades are staggered, the sludge forms a complex flowing mode in the stirring process, the viscous structure of the sludge can be broken more effectively, full contact and mixing of the anaerobic bacteria and the sludge are promoted, and the sludge treatment effect is improved. And the decomposition efficiency is greatly improved.

The utility model discloses an integrated sewage integrated treatment system which comprises a base, a mixing tank, a rough filtration tank, an anaerobic tank, an aerobic tank and a membrane tank are sequentially and fixedly mounted on the base from left to right, stirring mechanisms are mounted in the mixing tank and the anaerobic tank, a high-permeability membrane module is mounted in the membrane tank, and the high-permeability membrane module is mounted in the membrane tank. A lifting pump is mounted in the rough filtration tank, and the output end of the lifting pump is communicated with the interior of the anaerobic tank. According to the utility model, sewage enters the aerobic tank again to be decomposed again, so that organic matters are treated more thoroughly, and then the sewage continuously enters the membrane tank and is filtered by the high-permeability membrane to finally reach the emission standard; and accumulated sludge is filtered at the bottom of the membrane tank, and the sludge backflow device is started to reversely inject the sludge into the anaerobic tank to assist decomposition of anaerobic bacteria, so that the device has the advantages of improving the treatment efficiency, increasing the effective efficiency of the anaerobic bacteria and being better in treatment effect.

A pretreatment process for anaerobic digestion sludge in a municipal sewage treatment plant, comprising the following steps: Step 1, slurry distribution; Step 2, static thickening; Step 3, slurry flora cultivation; Step 4, primary slurry dewatering; Step 5, secondary slurry dewatering; Step 6, aerobic treatment of slurry; Step 7, alkali treatment of slurry; Step 8, slurry mixing; Step 9, slurry heating; In the present invention, the slurry produced by the sewage treatment plant is divided into two portions. One portion is used to cultivate anaerobic flora in the sludge through a flora cultivation device. The cultivation of anaerobic flora can reduce the sludge digestion gas production time in the digestion tank. The other portion undergoes two-stage dewatering, and the slurry dewatered by the centrifuge undergoes an aerobic reaction to allow the rapid growth of aerobic microorganisms, enabling more microbial cells to be dissolved in the subsequent alkali treatment. The sludge after pretreatment has increased sludge organic matter content, thereby improving the unit gas production rate of the sludge in the digestion tank in the next step.

The present disclosure provides a method and device for heating sludge anaerobic fermentation to produce biogas by microwaves under the action of a magnetic field, and relates to the technical field of green energy. The method comprises: drying and crushing sludge raw materials and inoculating anaerobic bacteria to form a fermentation mixture; placing the fermentation mixture in a closed reactor equipped with a microwave heating system and an electromagnetic field generating system, forming a uniform temperature field by microwaves and applying a controllable magnetic field to stimulate microbial activity; periodically switching or cooperatively controlling the two systems to maintain the target temperature zone and realize dynamic metabolic reinforcement; detecting the biogas yield and components, and adjusting the energy field parameters to form a closed loop control accordingly. The present scheme can establish a dynamic coupling between energy input and microbial metabolism, make the internal temperature distribution of the system uniform, the reaction rate stable, and the energy utilization rate high, and further make the organic matter degradation more sufficient and the gas production process more continuous, so that the energy efficiency and controllability of the overall anaerobic fermentation can be significantly improved.

One bacterial strain, designated HC1M1C21T, was isolated from human faeces and analyzed using phylogenetic, morphologic and biochemical approaches. Phylogenetic analyses based on 16S rRNA sequences and a set of 92 bacterial core genes indicated that this strain belongs to the Lachnospiraceae family and clusters near Pilosibacter fragilis (96.9% 16S rRNA sequence identity). HC1M1C21T has a DNA G+C content of 48.7 mol%. This strain is anaerobic, Gram- stain-positive, non-motile and non-spore-forming. HC1M1C21T cells appear as single rods or chained rods with tapered ends. Optimal growth was observed at 37°C, at pH between 5.5 and 6.5 and at salinity below 10 g / L. HC1M1C21T is a potent butyrate producer. The invention pertains to a new bacterial strain that produces butyrate and several independent factors with anti-inflammatory properties.

The application discloses an aerobic-anaerobic bacteria combined coal pretreatment biological gas production device, which comprises a gas blowing system, a bacterial population pre-culturing system, an aerobic-anaerobic biological combined pretreatment and gas production system and a gas-liquid two-phase collection and monitoring system. The application also discloses a gas production method of the gas production device. The application takes coal as a substrate, and under suitable conditions, carries out culture and optimization of a methanogenic bacterial population, and simulates indoor biological gas production effects under different coal rank, bacterial type, combined pretreatment mode, treatment time and metabolic environment conditions. The application adopts an integrated combined processor to combine aerobic bacteria and anaerobic bacteria for pretreating coal, so that coal-based biological gas production can be safely and efficiently carried out, and the application has important environmental benefits and broad application prospect.

This invention discloses a method and application for treating polyoxymethylene (POM) wastewater, belonging to the field of wastewater treatment technology. The method first involves adding hexadecyltrimethylammonium bromide and ethanol to the wastewater in an anaerobic environment to form micelles that encapsulate POM, and then utilizing anaerobic bacteria to degrade formaldehyde and macromolecular organic matter. Next, the anaerobic effluent is introduced into a facultative anaerobic environment, where a continuous linear decrease in pH triggers the staged disintegration of the micelles, releasing POM. Simultaneously, acclimation bacteria are added in stages according to pH changes to dynamically degrade the released formaldehyde. Finally, complete mineralization is achieved through two-stage biological oxidation in an aerobic environment. This invention blocks the random depolymerization of POM through spatial encapsulation and controls the release rate through sequential acidification, achieving a dynamic balance between formaldehyde formation and biodegradation. This effectively avoids the inhibition of microorganisms by toxicity peaks, significantly improving the removal efficiency of formaldehyde and organic pollutants and the stability of system operation.

The invention discloses nanogel for activating metronidazole to co-treat non-anaerobic bacteria infection through starvation therapy. The nanogel takes composite nano hydrogel which is formed by compounding sodium alginate SA, a natural polyphenol compound and high-valence metal ions and has a three-dimensional network structure as a main carrier; glucose oxidase GOx and anaerobic bacteria antibiotics required by starvation therapy are loaded in composite nanogel, meanwhile, natural polyphenol and high-valence metal ions in the composite nanogel can be self-assembled to form a metal-polyphenol network structure MPNs, and the nanogel loaded with GOx and MNZ is packaged to prepare the composite nanogel. A new cocktail therapy is constructed, a new thought is provided for research and development of antibacterial treatment drugs, and great scientific research significance and clinical application value are achieved for collaborative treatment of tolerant bacteria.

The application discloses an oil agent equipment cleaning waste liquid treatment device and method, and relates to the field of oil agent waste liquid treatment. The device comprises an electric field demulsification mechanism in communication with a waste liquid pipe, wherein a pulse electrode is arranged in the electric field demulsification mechanism, a composite reactor is arranged on the downstream side of the electric field demulsification mechanism, an anaerobic bacteria area, a lower grid, a transverse partition plate, an upper grid and an aerobic bacteria area are arranged from bottom to top in the electric field demulsification mechanism, and the electric field demulsification mechanism is further provided with an aeration assembly, a monitoring and shunting system and a gas collecting mechanism. The treatment method comprises the following steps: electric field demulsification pretreatment, aeration, aerobic / anaerobic microbial degradation, multi-parameter monitoring and shunting treatment. According to the application, secondary pollution is avoided through pulse electric field demulsification, pollutants are degraded in stages by using an anaerobic-aerobic linkage circulation structure, real-time monitoring and intelligent shunting are combined, and the treatment efficiency is improved and the operation cost is reduced.

The invention provides a biological fermentation solid waste solid-liquid separation device, and relates to the technical field of waste treatment, the biological fermentation solid waste solid-liquid separation device comprises a barrel body, a filter structure is fixed in the middle of an inner cavity of the barrel body, the filter structure comprises a second filter screen, an elastic ring and a first filter screen, the second filter screen is fixed at the lower part of the elastic ring, and the first filter screen is fixed at the upper part of the elastic ring; and the second filter screen is fixed with the inner wall of the barrel body. During use, water containing anaerobic bacteria in the water supply pipe enters the water guide cover, then the water containing anaerobic bacteria in the water guide cover is discharged through the jet flow hole, the discharge end of the water supply pipe is opposite to the water guide cover, and the water guide cover is of a hemispherical cover shell structure, so that the water guide cover can guide waste sewage conveyed by the water supply pipe; therefore, waste sewage and water containing anaerobic bacteria discharged from the jet holes are conveniently mixed, the waste sewage is rapidly mixed with the anaerobic bacteria, and the treatment efficiency of the waste sewage is improved.

The application discloses a small and micro river ecological landscape restoration system, comprising: a drop weir including a front end suspended in the downstream of a river channel; a stone cage wall for supporting the drop weir; a riprap group for constructing a deep pool-shoal sequence, including riprap blocks for forming a nutrient temporary storage area, and refuge gaps provided between adjacent riprap blocks for small fish and shrimps; and a vegetation tower. The application also discloses a small and micro river ecological landscape restoration method. The small and micro river ecological landscape restoration system and the restoration method make the water body in the river channel fall through the front end to form a water curtain in contact with air, increase the oxygen content in the river channel, inhibit the generation and reproduction of anaerobic bacteria, prevent the water body from being black and smelly, ensure the cleanliness of the water body, and increase the ornamental property. The riprap group facilitates the reproduction and refuge of small fish and shrimps, and the vegetation tower is further beneficial to the long-term stable and sustainable development of the water body ecological landscape system.