| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 09/17/2009 | US20090232601 Apparatus, System and Method for Remediation of Contamination |
| 09/17/2009 | US20090230057 Tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unit |
| 09/17/2009 | US20090230056 Method of treating wastewater and wastewater treatment apparatus |
| 09/17/2009 | US20090230055 continuous, automatic aeration; energy efficiency |
| 09/17/2009 | US20090230054 Contaminant Removal System And Method For A Body Of Water |
| 09/17/2009 | US20090230040 Apparatus and Process for Biological Wastewater Treatment |
| 09/17/2009 | US20090230037 Apparatus for Aerobic Biological Cleaning of Waste Water |
| 09/17/2009 | CA2716728A1 A new class of chloroflexi-like thermophilic cellulose degrading bacteria |
| 09/16/2009 | EP2100953A1 Novel microorganism capable of microbially decomposing chloro-, methylthio- and methoxy-triazine agrichemicals |
| 09/16/2009 | EP2100856A1 Method for microbiological treatment of water from flowing and/or standing water |
| 09/16/2009 | EP2100855A1 A tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unit |
| 09/16/2009 | EP2099718A2 Upflow bioreactor with septum and pressure release mechanism |
| 09/16/2009 | EP2099717A1 Biological water treatment by alternating continuous and sequential aeration |
| 09/16/2009 | CN201309863Y Integrative biological-reaction wastewater treatment device of side channel type |
| 09/16/2009 | CN201309862Y Combined type anaerobic biological filter sewage-treatment device |
| 09/16/2009 | CN201309861Y Special-purpose membrane components of membrane bioreactors |
| 09/16/2009 | CN201309860Y Aeration tank and sedimentation tank combined wastewater treatment tank |
| 09/16/2009 | CN201309859Y Underwater aerator |
| 09/16/2009 | CN201309858Y Point-source pollution direct processor |
| 09/16/2009 | CN201309857Y Sewage treatment device |
| 09/16/2009 | CN201309856Y Sludge discharging system of biological contact tank |
| 09/16/2009 | CN101535191A Treatment of aqueous liquid |
| 09/16/2009 | CN101532021A Phenol degrading and regulating gene and acting promoter thereof |
| 09/16/2009 | CN101531983A Method for cultivating aerobic short-cut nitrification granular sludge for treating domestic sewage |
| 09/16/2009 | CN101531978A Method for mixed culture of microalgae through regulation and control of lactobacillus and for synergistic purification of culture discharge water |
| 09/16/2009 | CN101531976A Citrobacter sp. strain DBM and method for treating acid mine drainage (AMD) using same |
| 09/16/2009 | CN101531974A Arctic bacteria strain for highly efficiently degrading crude oil and application thereof |
| 09/16/2009 | CN101531970A Pseudomonas and application thereof in biological reduction and biological adsorption |
| 09/16/2009 | CN101531445A Aeration-less water treatment system |
| 09/16/2009 | CN101531444A Sewage recycling process for combination of biological rapid filtration and slow filtration |
| 09/16/2009 | CN101531443A Coupling type sewage treatment process |
| 09/16/2009 | CN101531441A Treatment method of zero pollution of waste of pig farm |
| 09/16/2009 | CN101531440A Method for treating printing and dyeing wastewater |
| 09/16/2009 | CN101531439A Integrative three-bent tridimensional cyclic oxidation ditch |
| 09/16/2009 | CN101531438A Sewage treatment DAT-IAT process |
| 09/16/2009 | CN101531437A Compound treatment method of wastewater in pig farm |
| 09/16/2009 | CN101531436A Treatment method of wastewater anaerobic digestive fluid in pig farm |
| 09/16/2009 | CN101531423A New rain water treating technique-road biological treatment method |
| 09/16/2009 | CN101531422A Purifying treatment method of polynary microorganism lake water by jetting eddy currents |
| 09/16/2009 | CN101531421A Method of treating wastewater and wastewater treatment apparatus |
| 09/16/2009 | CN100540484C Combined helical fan flow mixing water distributor |
| 09/16/2009 | CN100540483C Vacuum self-control type membrane biological reactor |
| 09/16/2009 | CN100540482C Biological filter pocket for treating septic tank drainage |
| 09/15/2009 | US7588686 Dual porosity filter |
| 09/15/2009 | CA2502448C Synthetic material filter and associated method of use |
| 09/15/2009 | CA2476733C Pre- and post-treatment system and method for aquatic plant filtration using ozone |
| 09/15/2009 | CA2462145C Method and device for purifying wastewaters |
| 09/13/2009 | CA2625508A1 A tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unit |
| 09/11/2009 | WO2009111256A2 Method and system for surface water treatment |
| 09/11/2009 | WO2009109994A1 A method for anaerobic process coupled separation and refining of plant materials |
| 09/11/2009 | WO2007077578A3 A bio-reactor |
| 09/11/2009 | CA2716824A1 Method and device for producing electricity and conversion products such as ethanol |
| 09/10/2009 | US20090223891 System, device and method for on-site wastewater processing |
| 09/09/2009 | EP2098487A1 Biological clearing device |
| 09/09/2009 | EP2098280A1 Toilet, in particular for a boat |
| 09/09/2009 | EP2097356A1 Diffuser for aeration |
| 09/09/2009 | CN201305511Y Integrated vertical flow constructed wetland aerator |
| 09/09/2009 | CN201305510Y Lateral flow type membrane bioreactor device |
| 09/09/2009 | CN201305509Y Double-channel self-circulating anaerobic biological reactor |
| 09/09/2009 | CN201305508Y Strain fed-batch type anaerobic ammonia oxidation device |
| 09/09/2009 | CN201305507Y Pump E-shaped vertical-type surface aerator |
| 09/09/2009 | CN201305506Y Novel pump E-shaped vertical-type surface aerator |
| 09/09/2009 | CN201305505Y Sewage treatment pool |
| 09/09/2009 | CN201305504Y Fed-batch type short range nitration device |
| 09/09/2009 | CN201305503Y Jet flow membrane bioreactor |
| 09/09/2009 | CN201305502Y Sewage-treating floated packing aeration tank with mechanical grids mounted at inlet and outlet |
| 09/09/2009 | CN201305501Y Biological fluidized bed reactor for water treatment |
| 09/09/2009 | CN201305500Y Runoff complex ecological bed |
| 09/09/2009 | CN201305499Y Up-flow complex ecological bed |
| 09/09/2009 | CN101525632A Microecological preparation and preparation method thereof |
| 09/09/2009 | CN101525576A Method for producing microalgae with domestic sewage and industrial sewage |
| 09/09/2009 | CN101525208A Rural wastewater and refuse intensive treatment and resource green engineering |
| 09/09/2009 | CN101525207A Integrated pre-denitrification and denitrogenation biological filter sewerage treatment process |
| 09/09/2009 | CN101525206A Ecologically harmless treatment system of excrement and domestic sewage |
| 09/09/2009 | CN101525205A Pressure type membrane bioreactor technique of suspension bed and device |
| 09/09/2009 | CN101525204A Method for treating village sewage and specific device thereof |
| 09/09/2009 | CN101525203A Method for treating persistent organic pollutant wastewater |
| 09/09/2009 | CN101525202A Advanced dyeing wastewater treatment and reclaimed water reuse system and method thereof |
| 09/09/2009 | CN101525201A Method for purifying pig-raising wastewater by using green water cress |
| 09/09/2009 | CN101525200A Ecological soil purifying bed with automatic domestic sewage reoxygenation function |
| 09/09/2009 | CN101525199A Method for processing polluted water by utilizing film bioreactor in positive pressure environment. |
| 09/09/2009 | CN101525198A Method for treating and recovering polyvinyl chloride mother liquid waste water |
| 09/09/2009 | CN101525184A Method for complementing organic carbon sources to artificial wetland |
| 09/09/2009 | CN101525183A Method for treating penicillin waste residue water |
| 09/09/2009 | CN101525182A Clogging-prevention horizontal-flow wetland and waste water treatment method |
| 09/09/2009 | CN101525181A Clogging-prevention vertical-flow wetland and waste water treatment method |
| 09/09/2009 | CN101525180A Method for controlling sewage comprehensively for urban front damming engineering system |
| 09/09/2009 | CN101525179A Method for anaerobic ammonia oxidation treatment of low-concentration ammonia nitrogen wastewater |
| 09/09/2009 | CN100537453C Method for treating eutrophication water body by herbaceous plant waterborne planting |
| 09/09/2009 | CN100537452C Sewage treating artificial wet land method |
| 09/09/2009 | CN100537451C Mist microvesicle gas jet aeration head |
| 09/09/2009 | CN100537450C Bio-affinity water treatment filling |
| 09/09/2009 | CN100537449C Main ditch surrounding functional pool type integral combined building oxidation ditch |
| 09/09/2009 | CN100537448C Comb-like membrane-bioreactor having free end |
| 09/09/2009 | CN100537447C Method and system for treating domestic sewage by artificial sloping fields landscape |
| 09/09/2009 | CN100537446C Water treatment device utilizing solar energy and microorganism |
| 09/08/2009 | US7585416 Apparatus for filtration and disinfection of sea water/ship's ballast water and a method of same |
| 09/08/2009 | US7585414 Water treatment by activated sludge |
| 09/08/2009 | US7585413 Promoting aerobic conditions by decreasing the amount of oxygen required to maintain aerobic cultures in the wastewater; solids are separated and anaerobically digested to produce biogas; odor reduction; livestock sewage |
| 09/08/2009 | CA2504319C Biological wastewater purification device |