Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
03/2014
03/26/2014CN103667246A Holothurian culture water body remediation agent with strong environment tolerance, and preparation method and usage thereof
03/26/2014CN103667168A Aerobic denitrifying bacterium and application thereof in wastewater treatment
03/26/2014CN103667161A Pseudomonas stutzeri KY-02 and application thereof
03/26/2014CN103667144A Domestic sewage treatment microbial inoculant
03/26/2014CN103667141A Industrial sewage treatment agent
03/26/2014CN103667140A Compound synergism method of enterococcus faecalis and application thereof
03/26/2014CN103667139A Composite microbial preparation for culture water body improvement
03/26/2014CN103667138A Composite microbial preparation for seaculture water body improvement
03/26/2014CN103667135A Stenotrophomonas and applications thereof
03/26/2014CN103667133A Mixed microbial preparation for aquaculture and preparation method thereof
03/26/2014CN103667122A Compound bacterium and application thereof
03/26/2014CN103667113A New strain with azo reducing capacity and application thereof
03/26/2014CN103667112A Complex bacterium for degrading electroplating wastewater and preparation method of complex bacterium
03/26/2014CN103667111A Bacillus megaterium capable of dissolving microcystis aeruginosa and application thereof
03/26/2014CN103667109A Rhodobacter capsulatus and application thereof
03/26/2014CN103667108A Rhodococcus corynebacterioides strain and application thereof in printing and dyeing wastewater treatment
03/26/2014CN103667105A Bacillus cereus with dimethyl disulfide degradation capability, and applications thereof
03/26/2014CN103667104A Bacillus having ethanethiol degradation ability and application thereof
03/26/2014CN103667098A Pseudomonas putida C2 for degrading unsymmetrical dimethylhydrazine and a method thereof for degrading unsymmetrical dimethylhydrazine
03/26/2014CN103667096A Sulfur-oxidizing bacterium and method for removing sulfide by using sulfur-oxidizing bacterium
03/26/2014CN103667094A Bacillus subtilis with electrochemical activity and strong acid resistance and application of bacillus subtilis
03/26/2014CN103666426A Oil field water biological treatment agent as well as preparation method and use method thereof
03/26/2014CN103663886A Tank type loach ecological treatment method and device for rural domestic sewage
03/26/2014CN103663882A Method for treating high-concentration ink wastewater by utilizing efficient dominant bacteria
03/26/2014CN103663867A Device and method of residual sludge alkaline fermentation and inner carbon source development technology coupled with A-A-O nitrogen and phosphorous removal system
03/26/2014CN103663859A Method for constructing multi-stage subsurface flow constructed wetland system
03/26/2014CN103663855A Treatment method, reagent and special facility before recharge of wastewater from alkali-surfactant-polymer combination flooding oil recovery in oil field
03/26/2014CN103663748A Unpowered aerating apparatus easy to regulate and control
03/26/2014CN103663747A Aerating-stirring combined machine
03/26/2014CN103663733A Aeration biological filter
03/26/2014CN103663732A Integrated RBC (Rotating Biological Contactor) equipment for enhancing denitrification and treating excess sludge in situ
03/26/2014CN103663731A Porous adsorbent for adsorbing and biologically degrading petrochemical wastewater and preparation method
03/26/2014CN103663730A Enzyme preparation for treating papermaking wastewater
03/26/2014CN103663729A Sewage flocculant
03/26/2014CN103663728A Composite microbial preparation for fresh-water aquiculture water body improvement
03/26/2014CN103663727A Microorganism-induced biologically-manipulated water body ecology restoration method
03/26/2014CN103663726A Preparation method of microbiological water purifier
03/26/2014CN103663725A Continuous flow biological denitrification method based on granular sludge, and apparatus
03/26/2014CN103663724A Method for degrading printing and dyeing sewage dye and reducing COD through Phanerochaete chrysosporium and Gloeophyllum trabeum mixed flora
03/26/2014CN103663723A Method for further denitrogenation by using wood and rotten wood
03/26/2014CN103663722A Efficient biological enzyme water purification agent
03/26/2014CN103663721A Method for degrading gallic acid in wastewater by using Phanerochaete chrysosporium
03/26/2014CN103663720A Technique for removing gallic acid in wastewater by using Phanerochaete chrysosporium thallus
03/26/2014CN103663719A Technique for removing gallic acid in wastewater by using Ceriporiopsis subvermispora thallus
03/26/2014CN103663718A Technique for removing gallic acid in wastewater by using Aspergillus oryzae thallus
03/26/2014CN103663717A Biological reaction film and manufacture method and use thereof
03/26/2014CN103663716A Discharge treatment system for produced water of polymer flooding oilfield
03/26/2014CN103663715A Biotreatment method for efficiently purifying biogas slurry with microalgae
03/26/2014CN103663714A Double-layer net bed for repairing water by planting submerged plants and water repairing method
03/26/2014CN103663713A Biological compound treatment agent for sewage and sewage treatment method
03/26/2014CN103663712A Three-dimensional floating bed for purification of black and odorous rivers and building method
03/26/2014CN103663711A Efficient dephosphorization artificial marsh combined substrate, artificial marsh system and dephosphorization method
03/26/2014CN103663710A Vertical-flow self-aeration annular artificial wetland system
03/26/2014CN103663709A Constructed wetland combination substrate, constructed wetland system and method for efficiently removing phosphorus
03/26/2014CN103663708A Method and system for controlling ecological sensitive area blue algae bloom of eutrophic large-size lakes and reservoirs
03/26/2014CN103663707A Network-based wastewater degradation system
03/26/2014CN103663706A Sewage treatment system of chemical plant
03/26/2014CN103663705A Rapid sewage degradation system
03/26/2014CN103663704A Preparation method of filter material of earthworm biological filter
03/26/2014CN103663703A Method for preparing filter material with an earthworm treatment layer in an earthworm biofilter from inorganic filter material
03/26/2014CN103663702A Ecological intercepting technology of source of pollution of urban and rural polluted water
03/26/2014CN103663701A Ecological restoration method of submerged plant planting water body
03/26/2014CN103663700A Mud-water separating artificial wetland
03/26/2014CN103663699A Method for controlling eutrophic water body by selecting grass type lake native aquatic plant
03/26/2014CN103663698A Method and structure for holing and flow regime regulation without changes in tank shape of oxidation ditch
03/26/2014CN103663697A Device and method for quickly realizing shortcut biological denitrification through combination of free ammonia (FA) restraining and pH value
03/26/2014CN103663696A Membrane bio-reactor (MBR) used for treating preserved szechuan pickle wastewater and reinforcing biological phosphorous and nitrogen removal
03/26/2014CN103663695A Method for removing nitrogen and phosphorus in wastewater
03/26/2014CN103663694A Anaerobic-aerobic stabilization process for high concentration organic wastewater
03/26/2014CN103663693A Combined device and method for organic wastewater treatment with high ammonia nitrogen concentration
03/26/2014CN103663692A Integrated shortcut nitrification/anaerobic ammoxidation reactor
03/26/2014CN103663691A Industrial device and treatment method for treating coal-gasification ammonia nitrogen wastewater by synchronous nitrification and denitrification
03/26/2014CN103663690A Sewage treatment bioreactor
03/26/2014CN103663689A Integrated denitrification system for treating total nitrogen in sewage treatment plant and control method
03/26/2014CN103663688A Anaerobic fluidized bed bioreactor and using method thereof
03/26/2014CN103663687A Cultivation method of anaerobic ammonium oxidation bacteria capable of degrading nitrate nitrogen
03/26/2014CN103663686A Hydrolytic acidification-catalyzed iron/anaerobic-aerobic biological dephosphorization coupling process
03/26/2014CN103663685A Multi-bed biomembrane reactor for culture of anaerobic ammoxidation bacteria
03/26/2014CN103663684A Three-phase separator of cylindrical internal-recycling anaerobic reactor
03/26/2014CN103663683A Anoxic bioreactor
03/26/2014CN103663682A Split-level superimposed biological filtration and oxygenation device
03/26/2014CN103663681A Device and method for utilizing carbon source in sludge to treat urban sewage through in-depth nitrogen and phosphorus removal by SBR (sequencing batch reactor)
03/26/2014CN103663680A Method for cultivating aerobic half-nitrosation granular sludge in continuous flow manner
03/26/2014CN103663679A Device and method for carrying out nitration reaction of low-carbon high-nitrogen sewage by virtue of pure oxygen aeration
03/26/2014CN103663678A Integrated oxidation ditch sewage treatment method
03/26/2014CN103663677A Porous columnar biological stuffing
03/26/2014CN103663676A Power-free aerobic biological treatment method for rural domestic sewage
03/26/2014CN103663675A Flow dispersing aerator with rotary cut orifices
03/26/2014CN103663674A Real-time control device and control method for blast aeration process of sewage treatment plant
03/26/2014CN103663673A Hybrid membrane bioreactor
03/26/2014CN103663672A Method using scratching fish and periphyton for combined control of lake eutrophication
03/26/2014CN103663671A Regenerative permeable reactive barrier
03/26/2014CN103663670A Configuration method of underwater manmade waterweeds
03/26/2014CN103657611A Nano adsorption material for water pollution control
03/26/2014CN103657420A Membrane element, membrane block, and membrane separation system
03/26/2014CN103288214B Efficient denitrifying integrated biological drum and operating method thereof
03/26/2014CN103253775B Microbial flocculant and dicyandiamide formaldehyde resin combined decoloring agent, and preparation and application methods thereof
03/26/2014CN103214106B Method for biologically degrading organic wastewater by utilizing microbe
03/26/2014CN103086511B Method for enhancing nitrogen and phosphorus removal of urban sewage by sludge fermentation
03/26/2014CN103086500B Vertically lateral flow stored sewage filter
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