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117results about How to "High organic load" patented technology

Waste water treatment technology for livestock breeding

The invention discloses a waste water treatment technology for livestock breeding. The waste water treatment technology comprises the following steps: 1) pretreating the waste water; 2) biochemically treating the waste water; 3) posttreating the waste water, wherein the pretreatment of the waste water mainly comprises a grating well, a pH regulating tank, a regulating tank, floatation equipment and a middle water tank; the waste water biochemical treatment mainly comprises an anaerobic tank, an anoxia and aerobic tank, an aerobic tank, a secondary sedimentation tank, and a contact aeration tank; the waste water posttreatment mainly comprises a coagulating sedimentation tank, a fiber filter disc and a disinfection drain tank. The waste water treatment technology can efficiently and conveniently perform purification treatment on the waste water, effectively reduce the manufacturing cost for the waste water purification treatment industry, and increase the production efficiency through the reasonable wastewater treatment process procedure arrangement.
Owner:江苏鑫林环保设备有限公司

Whole process low-oxygen aeration SBMBBR synchronous denitrification and dephosphorization method

The invention discloses a whole process low-oxygen aeration SBMBBR (sequencing batch moving bed biofilm reactor) synchronous denitrification and dephosphorization method and belongs to the technical field of sewage treatment. The method achieves synchronous denitrification and dephosphorization by adding suspension filling into the traditional SBR (sequencing batch reactor) to form an SBMBBR, controlling an organic load, a nitrogen and phosphorus load and a DO (dissolved oxygen) value in the reactor, performing staged culture and acclimation on an inoculum, and performing synchronous nitrification-denitrification and denitrification-dephosphorization on enriched denitrification polyphosphate accumulating bacteria and aerobic polyphosphate accumulating bacteria and by other approaches. The method achieves the synchronous denitrification and dephosphorization for low C/N (carbon/nitrogen) ratio sewage in the same reactor under a whole process low-oxygen aeration condition, has the advantages of a simple technology, simple operational control, a high sludge load, small floor area, low energy consumption, no need of an additional carbon source, stable denitrification and dephosphorization effects and the like. The method has very practical significance in simplifying the traditional denitrification and dephosphorization sewage treatment technology, improving the denitrification and dephosphorization effects and reducing the floor area and energy consumption, and is a sewage treatment technology with good application prospects.
Owner:GUANGZHOU UNIVERSITY

Method for pretreatment of wastewater and recreational water with nanocomposites

A single step pretreatment of wastewater or recreational water is provided comprising treatment with nanocomposites consisting of an anchoring particle such as a clay mineral and one or more polymers.
Owner:GAVISH GALILEE BIO APPL

Methods for reducing microbial contamination in seafood processing

The present invention is generally directed to methods for reducing microbial population on food, especially seafood, during processing. Provided are methods of seafood processing that involve contacting seafood with a disinfection composition comprising an acid, a buffer, and an antimicrobial metal. Such methods can result in reduced pathogen load, reduced spoilage odor, and prolonged shelf-life of seafood. Also provided are systems for seafood processing employing said disinfectant compositions.
Owner:TASKER PRODS CORP

Complex enzyme preparation for sewage treatment and application method thereof

The invention relates to a complex enzyme preparation for sewage treatment. The complex enzyme preparation is compounded by mixing complex enzyme and mineral water, wherein the weight ratio of the complex enzyme to the mineral water is 1:9-50; and the complex enzyme contains the following components in volume content: 50 to 80 mg / L of bromelain, 50 to 80 mg / L of papain, 15 to 30 mg / L of L-aspartase, 15 to 30 mg / L of glutathione, 100 to 150 mg / L of yeast extract and 50 to 80 mg / L of cellulose. The complex enzyme preparation improves the treatment capability of a sewage plant, reduces the running cost, basically achieves zero release of residual organic sludge, prevents environmental secondary pollution of the sewage treatment, improves the self-purification capability of yielding water of the sewage plant, prevents secondary pollution of the yielding water, prevents secondary eutrophication of the yielding water, and radically solves the problem of environmental protection in operation of the sewage treatment plant.
Owner:麦广鸿 +2

Filter tower packing for processing VOCs gas and odorous gases

The invention discloses a filter tower packing for processing VOCs gas and malodorous gases. The filter tower packing is composed of a porous spherical shell and an inner packing, and the inner packing comprises, by volume, 40-50% of pine barks, 20-30% of bamboo charcoal, 5-10% of shellfish and 10-35% of polyurethane foam. The filter tower packing enables the filter tower to run efficiently and stably, has a wide application range, and is convenient for large-scale application and use.
Owner:BEIJING VICTEX ENVIRONMENTAL PROTECTION TECH DEV

Compositions and methods for reducing microbial contamination in meat processing

InactiveUS20080213444A1Reduce pathogen contaminationHigh organic loadMilk preservationAnimal feeding stuffBiologyMetal
The present invention is directed to compositions, methods, and systems for reducing microbial contamination in meat processing. In accordance with one aspect of the invention, disinfection composition and / or recycled disinfection composition comprising an acid, a buffer, and optionally an antimicrobial metal is applying to a carcass during at least one processing step of sacrificing, scalding, feather / hair / hide removal, eviscerating, and washing. Other aspects of the invention provide a carcass processing system comprising processing stations intermittently fluidly connected via a buffered acidic disinfection composition.
Owner:TASKER PRODS

Method for carrying out anaerobic digestion by using heavy metal ions-rich biomass waste materials

The invention provides a method for carrying out anaerobic digestion by using heavy metal ions-rich biomass waste materials. The method comprises the following steps: adding charcoal produced from garden wastes and agriculture and forestry wastes or plants used for adsorbing heavy metal ions to wastewater containing heavy metal ions to obtain heavy metals saturated charcoal or heavy metals hyper-enriched plants; and adding the heavy metals saturated charcoal or heavy metals hyper-enriched plants to a kitchen waste anaerobic digestion system for methane production according to a certain ratio. The heavy metal ions adsorbed by the plants or the charcoal are used as a basic composition part of anaerobic reaction enzyme to promote growth of methanogens, activate the activity of the enzyme, shorten the hydrolysis acidifying time, reduces the accumulation of VFA and accelerate the generation of methane and other energy products, so the heavy metals saturated charcoal or the heavy metal hyper-enriched plants are processed, secondary pollution to environment is eliminated, reduction and harmless utilization of the wastes are realized, anaerobic digestion production of methane is promoted, and the method is of great significance to accelerate the processing and recycling of the kitchen wastes.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Waste water treatment apparatus for generating firedamp and self-circulating anaerobic reactor thereby

This invention relates to a biogas production wastewater treatment device and a cycle anaerobic reactor used in the device, which is used for environmental engineering. The device invented consists of a new self-cycle anaerobic reactor and a computer control system. The core self-cycle anaerobic reactor comprises two overlapping anaerobic reaction zones in series, wherein the upper parts of the two reaction zone are established gas-solid-liquid three phase separators respectively. The lower reaction zone is at an extreme high load, while the upper reaction zone is at low load. The three-phase separator sludge can be separated and returned to the main separator by the separator and biogas is collected. Internal reactor is capable of forming self-circle liquid, and can strengthen mass transfer process of organism and granular sludge and improve handling capability. The floor place of the three phase separator is small, high concentration of organic wastewater can be treated and biogas as biological energy can be produced. The device can achieve the scale biogas technology and automated production, and is an ideal scale wastewater treatment and gas production equipment.
Owner:WUXI MASHENG ENVIRONMENT ENERGY TECH CO LTD

Method for increasing organic load of anaerobic fermentation

InactiveCN109554402AIncreased rate of methane productionShorten the digestion cycleWaste based fuelFermentationGeneration rateDigestion
The invention discloses a method for increasing organic load of anaerobic fermentation. In a digestive system of which the organic load is gradually increased, charcoal is quantitatively added to an anaerobic digestion system, the addition quantity of a fermentation substrate is gradually increased, and the load is increased. Experiment proves that along with the increment of the load of the anaerobic fermentation, the charcoal has obvious promotion effect on anaerobic fermentation. In a high-load anaerobic system, the charcoal can increase the methane generation rate, the digestion period canbe obviously shortened, the fermentability of the system is effectively improved, system rancidity is avoided, and the method has certain directive function on the engineering application.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Chemical industry wastewater comprehensive treatment method

The invention relates to a chemical industry wastewater comprehensive treatment method which comprises a pretreatment system, a primary biochemical system, an ozone treatment system, a secondary biochemical system and an after-treatment system. By adopting the two biochemical treatment systems, the iron carbon treatment system is arranged before the primary biochemical treatment system, and the ozone treatment system is arranged between the two biochemical treatment systems so as to greatly enhance the biodegradability of the wastewater, so that the treated wastewater can satisfy the direct discharge requirement. The method is suitable for comprehensive treatment of various types of chemical industry wastewater, has the advantages of low treatment cost, high technical stability, high pollutant removal rate, stable and standard effluent water quality and the like, and is suitable to be widely used in chemical industry wastewater treatment.
Owner:浙江一清环保工程有限公司

Accelerator for anaerobic fermentation of antibiotic antibacterial residue and preparation and application of accelerator

The invention discloses an accelerator for anaerobic fermentation of an antibiotic bacterial residue. The accelerator comprises functional microbes, a microelement and a carrier, wherein the functional microbes are bacillus amyloliquefaciens Y10 and clostridium bifermentans Z-13;charcoal is used as a carrier, the microelement comprises Fe<2+>, Co<2+> and Ni<2+>. The preparation method comprises the steps of mixing various components evenly, drying and then crushing or granulating. The accelerator is used for anaerobic fermentation of a high-protein waste to produce a biogas, especially anaerobic fermentation of the antibiotic antibacterial residue to produce the biogas; organic loads of the antibiotic antibacterial residue can be improved to 4.5-5.5kg / m<3>d from 2.5kg / m<3>d; and the yield of the biogas is improved by more than or equal to 40%.
Owner:BIOLOGY INST OF HEBEI ACAD OF SCI

Dual-circulation two-grade anaerobic digestion system and application thereof

The invention belongs to the field of sludge resource treatment and relates to a dual-circulation two-grade anaerobic digestion system and application thereof. The anaerobic digestion system comprises a pre-treatment device (1), a first circulating system (2), a primary anaerobic digestion reactor (3), a second circulating system (4), a secondary anaerobic digestion reactor (5), a sludge mixing and preparing pool (6), a methane tank (7) and a sludge collecting pool (8), wherein the first circulating system (2) is arranged between the pre-treatment device (1) and the primary anaerobic digestion reactor (3); and the second circulating system (4) is arranged between the primary anaerobic digestion reactor (3) and the secondary anaerobic digestion reactor (5). The system provided by the invention is high in treatment efficiency, compact in structure, mutually matched in operation, stable in operation and suitable for being popularized and applied in large, medium and small sewage treatment plants.
Owner:盐城同济环科固体废物处理处置有限公司 +2

Municipal sludge energy treatment system

The invention belongs to the field of sludge treatment and relates to a municipal sludge energy treatment system. The system comprises an acidogenic reactor and a methanogenic reactor; and first-level membrane separation equipment and second-level membrane separation equipment are arranged between the acidogenic reactor and a methanogenic reactor. The sludge passes through the acidogenic reactor and is hydrolyzed to generate acid in the methanogenic reactor, and then passes through the first-level membrane separation equipment to be separated into first concentrated solution and first penetrating fluid. The first concentrated solution reflows to the acidogenic reactor, and the first penetrating fluid enters the second-level membrane separation equipment to be separated into second concentrated solution and second penetrating fluid; and the second concentrated solution enters the methanogenic reactor to be fermented to generate methane. By organically combining the two-phase anaerobic digestion technology with the membrane separation technology, the municipal sludge energy treatment system realizes the combination of a physical dialysis method and a kinetic control method and really realizes the separation of fermentative bacteria bacteria and methanogenic bacteria. Therefore, the bacteria in two phases can exert the maximum activity, and the operating stability and energy efficiency of the whole system are improved.
Owner:广州微启生物科技有限公司

Novel up-flow anaerobic sludge blanket for treating wastewater of pig farm

The invention discloses a novel up-flow anaerobic sludge blanket (UASB) for treating wastewater of a pig farm, which comprises a UASB reactor main body, a raw water tank, a heating and heat insulation system, a control cabinet, a water inlet system, a reflux system and the like. A bio-film filler fixed bracket is arranged in the reactor, a bio-film filler is arranged on the filler fixed bracket, and the operation of the whole reactor is controlled through an electromagnetic metering pump. The reactor has the characteristic of simultaneously degrading organic substances and ammonia nitrogen, and is suitable for automatic control of the whole process.
Owner:NANCHANG UNIV

Method for treating sewage by using biological membrane and equipment thereof

The invention belongs to the field of water treatment, and relates to a method for treating sewage by using a biological membrane and equipment thereof. In the method, a biological membrane carrier is adopted and floats on the water, and a material having capillary water absorption function is used as a medium for connecting the biological membrane carrier and a water body environment under the water. The pre-cultured mature biological membrane can be suspended above the water, and microbial strains can be transferred to the carrier to perform culture and enrichment by using the medium with strong capillary water absorption effect. Therefore, the formed biological membrane is directly contacted with the air, so the transfer speed of oxygen is high, soluble pollutants in the water are continuously transferred, and the technique of suspending the capillary mass-transfer biological membrane can fully meet the aerobic biodegradation of the high-concentration pollutants and belongs to a technique of naturally strengthening the aerated biological membrane. The method for treating the sewage by using the biological membrane has the advantages of high organic load, low oxygen supply cost, easy construction and management, flexible application and the like; and the method can be applied to in-situ treatment of polluted rivers, and can effectively and constantly perform sewage purification.
Owner:SOUTH CHINA AGRI UNIV

Method for preparing marsh gas through lignocellulose hydrolysate

The invention relates to a method for preparing marsh gas through a lignocellulose hydrolysate. The method comprises the following steps of acid production, wherein the lignocellulose hydrolysate is added into a reaction bottle with a stirring function, then an inoculum secondary sedimentation tank sludge is added according to a certain proportion, activated carbon is added, the mixture is evenlystirred and closely placed in a water bath heating device, and an air bag is connected to a reactor bottle plug and used for balancing the pressure of a reaction device; stirring is conducted on timeevery day, after 3 days, an acid production reaction stage is ended, and a fermentation solution with rich organic acid is obtained; methane production, wherein a, anaerobic granular sludge is subjected to domestication; b, the obtained acid production fermentation solution is taken out, subjected to centrifugal solid-liquid separation and diluted to the proper load, the pH is adjusted, and then the solution enters a methane production reactor; by controlling the mass loading rate, the aim of adjusting the system load is achieved, so that the methane production process is normally conducted; remaining sludge can be used as the inoculum and continues to be used for an acid production reaction in the later period through the hydrolysate; a water outlet of the methane production reactor is used for adjusting the load of materials entering a UASB, and the water is returned to an adjustment tank for recycling.
Owner:ENERGY RES INST OF SHANDONG ACAD OF SCI

Device and method for strengthening treatment of anaerobic sewage by using solar energy

The invention discloses a device and method for strengthening treatment of anaerobic sewage by using solar energy, belonging to the field of purification of anaerobic sewage. The device for strengthening treatment of anaerobic sewage by using solar energy comprises an anaerobic reactor, wherein a metal electrode plate is arranged in the anaerobic reactor, and is connected with a solar direct-current generating system. In the invention, the anaerobic reactor is externally connected with the solar direct-current generating system, novel active catalysis micro-electrolysis filling is added into the reactor through the electrode plate in a sludge area of the reactor after particle sludge is acclimatized, hardly-degradable matters are removed under the coaction of an electrode electric field, the filling and particle sludge microorganisms, and running of the reactor is particularly strengthened under the condition of low temperature, so that energy consumption can be lowered, the removal rate of the hardly-degradable matters can be effectively increased, and continuous and stable running of the reactor is kept. The device and the method are mainly suitable for biological strengthened treatment of high-concentration slightly-degradable waste water such as industrial waste water, garbage percolates and the like.
Owner:NANJING UNIV

Dual-ring nested two-phase integrated anaerobic reactor

The invention relates to a dual-ring nested two-phase integrated anaerobic reactor. The reactor comprises an anaerobic digestion tank adopting an inner and outer dual-ring nested structure, the innerring of the anaerobic digestion tank is used as a hydrolysis acidification phase, and the outer ring of the anaerobic digestion tank is used as a methane production phase. The anaerobic digestion tankwith the inner and outer dual-ring nested structure is adopted, the inner ring is used as the hydrolysis acidification phase, and the outer ring is the methane production phase, so the dual-ring nested two-phase integrated anaerobic reactor realizes phase separation in the same reactor, the influences of volatile acid accumulation in the kitchen waste anaerobic digestion process on the stabilityof the system are reduced, the stability of the system is improved, the organic load and the volumetric gas production efficiency are increased, the structure is compact, the occupied area of the reactor is saved, and the running efficiency is improved. The dual-ring nested two-phase integrated anaerobic reactor has the advantages of simple structure, convenience in running and maintenance, and high automation degree, and can be widely applied to the two-phase anaerobic digestion treatment of the kitchen wastes.
Owner:TSINGHUA UNIV +1

Method for jointly producing hydrogen and methane by carrying out coupling anaerobic fermentation on preprandial garbage and kitchen garbage

ActiveCN103451236ASolve secondary processing problemsReduce startup timeWaste based fuelFermentationCelluloseSlurry
The invention discloses an environment-friendly method for jointly producing hydrogen and methane by carrying out coupling anaerobic fermentation on preprandial garbage and kitchen garbage, and belongs to the technical field of solid waste treatment and biological energy. The method comprises the following steps: firstly carrying out soaking pretreatment on the preprandial garbage by utilizing biogas slurry generated through the anaerobic fermentation, and carrying out damp heat flash evaporation pretreatment on the kitchen garbage; then mixing the pretreated preprandial garbage and kitchen garbage to prepare the hydrogen and the methane through an anaerobic fermentation process by taking biogas residues discharged by a system after a methane production stage as inocula. The method disclosed by the invention is suitable for recovering the biomass energy contained in solid organic matters with multiple high-organic matters, high-water ratio and high-cellulose organic solid wastes in hydrogen and methane forms, integrates energy conservation, emission reduction, renewable resource utilization and pollution control into a whole, is a pollution-free, low-energy consumption and high-productive capacity kitchen garbage anaerobic fermentation treatment process and has the advantages of important environmental benefit and wide application prospect.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Method for simultaneously removing insoluble organic matter, total cyanogen and total nitrogen in wastewater of industrial park

The invention relates to a method for simultaneously removing insoluble organic matter, total cyanogen and total nitrogen in wastewater of an industrial park. The method comprises the following steps: wastewater enters a high-efficiency coagulated decyanation reactor to remove total cyanogen in the wastewater removed from the coagulated decyanation reaction; effluent from the coagulating reaction enters an aeration biofilter, ammonia and nitrogen in the wastewater is oxidized into nitrate nitrogen or nitrite nitrogen, and partial organic matters are oxidized and removed; effluent from the aeration biofilter flows into a denitrification filter tank, and nitrate nitrogen and nitrite nitrogen in the wastewater are denitrified into nitrogen and removed; effluent from the denitrification filter tank is filtered in a V-shaped filter tank and then enters an ozone catalytic oxidation tank, and insoluble organic matters are oxidized into small-molecular organic matters or mineralized in the presence of a catalyst. The method can be used for oxidizing and degrading organic matters while removing total cyanogen and total nitrogen in the wastewater to ensure that treated effluent can be emitted in standard, thus having an excellent market prospect.
Owner:BEIJING CYCLE COLUMBUS ENVIRONMENTAL TECH RES INST CO LTD

Method for treating high-salt wastewater and recycling nutritive salt through microbial desalination cell

The invention discloses a method for treating high-salt wastewater and recycling nutritive salt through a microbial desalination cell. The method comprises the steps of (1) acclimating an anodic microbe under the conditions with high salinity and high ammonium; (2) sequentially assembling a cathode chamber, a recycle chamber and an anode chamber to form a microbial desalination cell, separating the cathode chamber and the recycle chamber through an anion-exchange membrane, separating the anode chamber and the recycle chamber through a cation-exchange membrane, and adopting a carbon brush and an air cathode as an anode material and a cathode material; and (3) inoculating the acclimated anodic microbe to the carbon brush, adopting the high-salt wastewater as an anode chamber water intake matrix, operating the desalination cell by adopting an intermittent water intake and cathode-anode fluid circulation type operation mode, and collecting the nutritive salt through the recycle chamber. According to the method provided by the invention, the degradation of complex organic matters is remarkably promoted, the organic matter removal rate can reach to more than 90 percent along with the increase of ammonium concentration, part of nutritive salt is recycled, the wastewater treatment cost is effectively reduced, and the method is economic and environmental-friendly.
Owner:CHONGQING UNIV

High-protein wastewater treatment process

The invention belongs to the technical field of wastewater treatment and provides a high-protein wastewater treatment process. The high-protein wastewater treatment process adopts a mechanical grid, a regulating pond, a reaction pond, a flocculation settling pond, a hydrolysis acidification pond, a mixing pond, an EGSB reactor, an air-floated machine, a contact oxidation pond, a first settling pond, an active silt pond and a second settling pond. By means of the technical solution, the problems of poor high-protein wastewater treatment effect and high operation cost of a wastewater treatment process in the prior art are solved.
Owner:河北德龙环境工程股份有限公司

Nitrogen and phosphorus removal system for treating circulating cooling discharge water of power plant

The invention relates to a nitrogen and phosphorus removal system for treating circulating cooling discharge water of a power plant, and belongs to the technical field of sewage treatment. According to the system, a carbon source and a deoxidant are added into circulating cooling discharge water with high-nitrogen, low carbon and high-dissolved-oxygen to keep an appropriate carbon nitrogen ratio and water intake dissolved-oxygen concentration; the sewage flows through a composite biofilter, denitrifying bacteria grow as a biofilm in the composite biofilter filling, nitrogen in a polluted water sample is removed by utilizing the denitrification effect, and the upper part of a biological filling region is aerated to carbonize residual organic matters; partial ammonia nitrogen and suspended solids in the sewage are synchronously entrapped by means of adsorption and filtration of multi-stage filter materials; a phosphorus removing agent is added into effluent of the composite biofilter, flocculated phosphorus enters an active sand filter, phosphorus is removed by filtering, and suspended solids can be further removed. The nitrogen and phosphorus removal system is applicable to a circulating cooling discharge water treatment engineering of a power plant and nitrogen and phosphorus removal deep treatment of other wastewater with similar qualities.
Owner:TSINGHUA UNIV +1

Highly efficient water treatment method by aerobic circulating biological expansion bed and reactor thereof

The high-efficiency water treatment method for aerobic cycle biological expansion bed comprises: using the distribution gas device on reaction tower bottom and light biological particle of aerobic bed to take water treatment to biological reaction with aerobic biological reaction tower as main; and controlling the flow rising speed in tower to achieve need expansion state. The opposite reactor comprises a biological reaction unit, a water cycle unit with a collection pond for output water and cycle pump, an aerobic bed unit. The advantages of this invention include: high organic load, short startup period and stable running.
Owner:江苏中宜金大环保产业技术研究院有限公司

Method for promoting formation of anaerobic granular sludge

The invention belongs to the field of wastewater treatment, and particularly relates to a method for promoting formation of anaerobic granular sludge, which comprises the following steps: 1) adding an iron-based material into an anaerobic reactor, and adding sludge; 2) pumping synthetic wastewater into the anaerobic reactor, and starting the anaerobic reactor; and 3) when gas production and water outgoing are stable in the reaction, and the measured volatile suspended matter of the granular sludge accounts for 70-90% of the total suspended matter mass of the sludge, determining that the granular sludge is mature, stopping running of the reactor, and recovering mature granular sludge. The iron-based material added in the invention has a large specific surface area, which is beneficial to enrichment of anaerobic microorganisms on the surface of the iron-based material so as to form a sludge aggregate. The iron-based material is close to mature granular sludge in density and can float up and down in the anaerobic reactor, so that sludge deposition caused by increase of the volume weight of the sludge is avoided. The iron-based material is used as a core, so that the mechanical property of the anaerobic granular sludge is improved.
Owner:CHINA AGRI UNIV

Organic waste anaerobic digestion method

The invention relates to an organic waste anaerobic digestion method. The method comprises the steps of adding organic waste, inoculum and a catalyst rich in high efficiency microorganisms to a reactor, and performing stirring for a reaction to generate methane. The catalyst adopts a magnet as a basal body and ferroferric oxide as a surface adsorber to enrich electrical activity microorganisms capable of realizing efficient anaerobic transformation of the organic waste and enable the microorganisms to be quickly combined with the ferroferric oxide on the surface of the magnet to form a biomembrane, the rate for generating the methane through anaerobic digestion is increased, the organic loading and the methane generating amount of an anaerobic digestive system can be increased, and the reaction period can be shortened. Compared with the prior art, the catalyst is used for enriching the electrical activity microorganisms capable of realizing efficient anaerobic transformation of the organic waste and enabling the microorganisms to be quickly combined with the ferroferric oxide on the surface of the magnet to form the biomembrane, the rate for generating the methane through anaerobicdigestion is increased, the organic loading and the methane generating amount of the anaerobic digestive system can be increased, and the reaction period can be shortened.
Owner:TONGJI UNIV

Granular sludge-containing microbial fuel cell device

InactiveCN109336255ATo achieve comprehensive and rational utilization of resourcesHigh organic loadTreatment by combined electrochemical biological processesWater contaminantsHigh concentrationSludge
The invention discloses a granular sludge-containing microbial fuel cell device. The granular sludge-containing microbial fuel cell device comprises an anode chamber, a cathode chamber and a precipitation chamber, wherein holes are formed in the side wall of the anode chamber; the outer part of the side wall of the anode chamber is wrapped with an ion exchange membrane; the cathode chamber surrounds the anode chamber; a liquid outlet for discharging water into the precipitation chamber is formed in the top of the cathode chamber; a liquid distributor and anaerobic granular sludge are arrangedinside the anode chamber; and aerobic granular sludge is arranged inside the cathode chamber. The granular sludge-containing microbial fuel cell device not only can perform sewage treatment, but alsocan generate electricity through the action of microorganisms with wastewater as an energy source, so that comprehensive and reasonable resource utilization is achieved. The granular sludge-containingmicrobial fuel cell device adopts a simple and easily implemented operating method, is small in land occupation and low in investment, achieves continuous operation, can treat high-concentration organic wastewater, has very high pollutant removing efficiency, and has a broad engineering application prospect.
Owner:JIANGSU UNIV OF SCI & TECH

Ozone catalytic fluidized bed device and method for treating high-concentration organic wastewater difficult to biodegrade

The invention discloses an ozone catalytic fluidized bed device for treating high-concentration organic wastewater difficult to biodegrade, and relates to sewage treatment technology in the field of environmental protection. The ozone catalytic fluidized bed device structurally comprises an organic wastewater conveying pipeline and a dissolved air water conveying pipeline which are used for beingconnected with a sewage storage tank, a sewage pressure pump, an ozone generation device, a dissolved air pump, a fluidized bed reactor and a plurality of control valves, a top dissolved air water distribution pipe is arranged at the top of the fluidized bed reactor and is communicated with a dissolved air water distribution head to convey dissolved air water; the invention also discloses a methodfor organic wastewater treatment. The method comprises the following steps: adding the organic wastewater into the sewage storage tank, starting the ozone generation device, and filling a catalyst atthe bottom of the fluidized bed reactor; at least one part of ozone generated by the ozone generation device is mixed with the organic wastewater and then is conveyed to the dissolved air pump to generate dissolved air water; gas-dissolved water enters the bottom of the fluidized bed reactor through a pipeline from the top gas-dissolved water distribution pipe to the gas-dissolved water distribution head and is in contact with the granular catalyst to generate a catalytic degradation reaction.
Owner:成都九翼环保科技有限公司

Modular bioecological unit for in-situ river regulation and sewage treatment

The invention discloses a modular bioecological unit for in-situ river regulation and sewage treatment. The modular bioecological unit comprises a modular biological unit and a modular ecological unitconnected together; the modular biological unit is arranged above the modular ecological unit when they are arranged in a river channel. The modular biological unit comprises a packing frame and a slow-release carbon-source packing unit packed in the packing frame, and the slow-release carbon-source packing unit comprises a carbon-source supporter and a slow-release carbon source packaged in thecarbon-source supporter. The modular ecological unit comprises floaters, water plants arranged on the floaters and buoys limiting moving of the floaters. The modular bioecological unit can enrich microorganisms effectively, provide a stable carbon source for eutrophication of water of rivers and lakes and microbial denitrogenation of sewage lack of carbon sources and the like, and realize quick construction of a biomembrane system.
Owner:JIANGSU KAIMI MEMBRANE TECH
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