Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
05/2013
05/08/2013CN202921065U Pulse airflow sewage disposal device for bag type filter basin
05/08/2013CN103097308A Anaerobic digestion method
05/08/2013CN103097307A Purifier comprising a solids separation device, and method for wastewater purification
05/08/2013CN103097306A Membrane bioreactor process
05/08/2013CN103097305A Waste water treatment apparatus
05/08/2013CN103097303A Composition for triggering microbiological processes in water and method of producing the same
05/08/2013CN103094598A Integrated nitrification-denitrification microbial fuel cell
05/08/2013CN103094597A Microbial fuel cell with function of efficiently and synchronously removing nitrogen and carbon
05/08/2013CN103092079A Method of controlling sequencing batch activated sludge process (SBR) intelligently based on fully coupling activated sludge models (FCASMs) and embedded system
05/08/2013CN103087966A Efficient degrading microbial inoculum for regenerated papermaking wastewater and preparation method thereof
05/08/2013CN103087958A Pyridine degradation bacterium and application thereof
05/08/2013CN103087957A Genetically engineered bacterium for rapidly degrading methyltestosterone and application thereof
05/08/2013CN103087952A Formaldehyde degradation bacterium and use thereof
05/08/2013CN103087945A Heavy-metal-resisting microbial agent, preparation method and application thereof
05/08/2013CN103087938A Application of medium for rapid propagation of photosynthetic bacteria in slightly polluted water
05/08/2013CN103087920A Mixotrophic scenedesmus and application thereof in sewage resource treatment
05/08/2013CN103087918A Aerobic denitrifying fungicide, preparation and applications thereof
05/08/2013CN103086578A Method for treating quintavalent-antimony-containing wastewater with sulfate mixed bacteria
05/08/2013CN103086572A Pretreatment method of high-concentration synthesis pharmaceutical wastewater
05/08/2013CN103086525A Self-suction three-mixing pipe two-level jet aeration device
05/08/2013CN103086520A Device and a method for producing biodiesel in a coupling way by treating livestock and poultry breeding wastewater
05/08/2013CN103086519A Immobilized microorganism sewage treatment process
05/08/2013CN103086518A Polymer flooding oilfield produced water hydrolytic acidification processing method and system
05/08/2013CN103086517A Method for treating cadmium-containing wastewater with calcified algae
05/08/2013CN103086516A Sewage treatment method of vertical current mangrove forest constructed wetland ecosystem
05/08/2013CN103086515A Combined curve-shaped three-dimensional floating island
05/08/2013CN103086514A Method for performing water quality purification and slope protection by applying novel wave attenuation and slope protection block
05/08/2013CN103086513A Ecological ditch for increasing utilization rates of N and P in farmland by controlling agricultural non-point source pollution
05/08/2013CN103086512A Method for controlling anaerobic digestion of easily-degradable organic wastes through utilizing intermittent micro-aeration
05/08/2013CN103086511A Method for enhancing nitrogen and phosphorus removal of urban sewage by sludge fermentation
05/08/2013CN103086510A Membrane separation active sludge treatment method and membrane separation active sludge treatment device
05/08/2013CN103086509A Nitrogen and phosphor removal treatment method, and nitrogen and phosphor removal treatment apparatus
05/08/2013CN103086508A Microbial fuel cell wastewater treatment system for improving nitrogen removal effect
05/08/2013CN103086507A Denitrification and precipitation integrated sewage treatment device and treatment process thereof
05/08/2013CN103086506A Sewage treatment device
05/08/2013CN103086505A Device and method for strengthening impact resisting load of anaerobic treatment wastewater
05/08/2013CN103086504A System and method for reinforcing mass transfer effect of medium in water
05/08/2013CN103086503A PACT (powdered activated carbon treatment) process and device, and activated carbon-microbial zoogloea culture method using same
05/08/2013CN103086502A Rapid styrene butadiene rubber (SBR) nitrosoation recovery method
05/08/2013CN103086501A Double-layer filter material biological aerated filter
05/08/2013CN103086500A Vertically lateral flow stored sewage filter
05/08/2013CN103086499A Biological membrane device for improving water environment and lowering bait cost of aquaculture pond
05/08/2013CN103086498A Ecological brick for purifying water
05/08/2013CN103084143A Two-pore zeolite microsphere and preparation method thereof
05/08/2013CN103084067A Hollow fiber membrane biological reaction component and membrane biological reaction device
05/08/2013CN103081684A Aquatic plant planting method for water body purification
05/08/2013CN102730912B Integrated sewage-sludge treatment method
05/08/2013CN102689990B Method for controlling water quality in shrimp pool by using bacillus and bagasse
05/08/2013CN102557236B Weak stream river side ditch repair system with pollutant reduction and landscape utilization functions
05/08/2013CN102515440B Device and method for conducting depth denitrification treatment on landfill leachate
05/08/2013CN102491587B Method and device for treating early urban landfill leachate
05/08/2013CN102491499B VT-MBR (Vertical Tubular-Membrane Bioreactor)
05/08/2013CN102381816B Anaerobic membrane biological reaction apparatus and sewage treatment technology thereof
05/08/2013CN102336505B Preservation method for anaerobic ammonium oxidation granular sludge
05/08/2013CN102336469B Membrane bioreactor and sewage treatment device
05/08/2013CN102249403B Method for preparing modified coal gangue-pulverized fuel ash composite filling for purifying sewage
05/08/2013CN102211810B Preparation method of modified volcanic filling material for sewage purification
05/08/2013CN102190398B Coking wastewater treatment method
05/08/2013CN102154147B Bacillus pumilus LC01 laccase and application thereof
05/08/2013CN101985376B Method for removing carbon and nitrogen pollutants in waste water in one step
05/08/2013CN101880147B Steel slag eco-concrete, steel slag eco-concrete product and preparation method thereof
05/08/2013CN101624226B Method and reactor for removing nitrate through catalytic electrochemical biological hydrogen autotrophic denitrification
05/07/2013US8435409 Activated sludge process in wastewater treatment
05/02/2013WO2013062057A1 Screen device for wastewater treatment tank and wastewater treatment method
05/02/2013WO2013061752A1 Method for treating waste water
05/02/2013WO2013060992A1 Method for upgrading waste and corresponding device
05/02/2013WO2013059868A1 Portable sewage collection system
05/02/2013WO2013034942A3 Small installation for biological wastewater treatment with improved efficiency
05/02/2013US20130105410 Wastewater treatment
05/02/2013US20130105391 Design of modules for use in and operation of a membrane biofilm reactor with reduced biofouling
05/02/2013US20130105390 Low Mean Cell Residence Time Anaerobic Digestion Process
05/02/2013US20130105389 Water treatment method and ultrapure water production method
05/02/2013US20130105388 Advanced Biologic Water Treatment Using Algae
05/02/2013CA2852751A1 Portable sewage collection system
05/01/2013EP2586749A1 Self-rinsing water purification assembly
05/01/2013EP2586748A1 Freshwater-generating device, and freshwater-generating method
05/01/2013EP2585407A2 Advanced biologic water treatment using algae
05/01/2013CN202916602U Automatic control device for intermittent drainage of blowers
05/01/2013CN202913402U Composite algae blocking enclosure for floating plants
05/01/2013CN202912807U Miniature unpowered ecological treatment pond
05/01/2013CN202912806U Miniature unpowered ecological treatment pond
05/01/2013CN202912804U Constructed wetland and sewage treatment system
05/01/2013CN202912770U Biological fluidized bed proliferation reactor
05/01/2013CN202912769U Solar microbe reaction tank
05/01/2013CN202912768U Efficient constructed wetland system
05/01/2013CN202912767U Combined reactor for domestic sewage
05/01/2013CN202912766U Organic wastewater biological reactor
05/01/2013CN202912765U Improved combined oxidation ditch
05/01/2013CN202912764U Biological sewage treatment device for stirring by using anaerobic gas
05/01/2013CN202912763U Efficient microporous pipe type aeration disc
05/01/2013CN202912762U Energy-saving control device for aeration system of waste water biochemical pool
05/01/2013CN202912761U Gas stripping biological sludge fluidized bed
05/01/2013CN202912760U Sewage treatment tank with heating function
05/01/2013CN202912759U Biological aerated filter with bundling filler
05/01/2013CN202912758U Combined aeration biological filter pond
05/01/2013CN202912757U Clamping groove for membrane bioreactor (MBR) membrane
05/01/2013CN202909652U Agitating tank
05/01/2013CN103080022A Method for utilizing internally generated biogas for closed membrane system operation
05/01/2013CN103080014A Aeration device and seawater flue gas desulfurization device provided with same
05/01/2013CN103080012A Method for treating wastewaters from the reprocessing of crude aromatic nitro compounds
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