| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/31/2008 | CN201172633Y Double-power self-circulation anaerobic sewage purification reactor |
| 12/31/2008 | CN201172632Y Water treating device with dynamic balance system by film method |
| 12/31/2008 | CN201172631Y Large-flux low pressure film assembly for MBR process for sewage treatment |
| 12/31/2008 | CN101333504A Method for enhancing hydrogen-producing speed and yield of photosynthetic bacteria |
| 12/31/2008 | CN101333502A Process for preparing emergency strain and repairing aquaculture environment |
| 12/31/2008 | CN101333499A Complex active bacterial biological water purifying a gent and method for preparing same |
| 12/31/2008 | CN101333057A Small-sized box type modularization general-purpose sewage treating apparatus |
| 12/31/2008 | CN101333056A Simple box type modularization sewage treating apparatus |
| 12/31/2008 | CN101333055A Complete plant for treating and recovering printing light polluted waste liquid |
| 12/31/2008 | CN101333053A Processing method for waste water in production process of fine terephthalic acid |
| 12/31/2008 | CN101333052A Discrete type sewage processing system |
| 12/31/2008 | CN101333051A Process for treating and recovering polyvinyl chloride centrifugation mother liquid by suspension method |
| 12/31/2008 | CN101333050A Waste water treating process of salt-containing propenoic acid and/or salt-containing propylene ester |
| 12/31/2008 | CN101333049A Advanced treatment and reclamation method for oil-salts containing sewerage |
| 12/31/2008 | CN101333048A Pre-treating method and device for cycling treatment for car washing water in city |
| 12/31/2008 | CN101333043A Bioreactor for treating landscape water body |
| 12/31/2008 | CN101333042A Bio-synergistic processing method for sewerage |
| 12/31/2008 | CN101333041A Ecological floating island and building method thereof |
| 12/31/2008 | CN101333040A Ecological repairing method of large-scale marine algae of gracilaria to eutrophication cage culture sea area |
| 12/31/2008 | CN101333039A Anaerobe filter using standard box |
| 12/31/2008 | CN101333038A Anaerobic dynamic film bio sewage treating process |
| 12/31/2008 | CN101333037A Gas-lifting internal circulation intermission aerobic granule sludge reactor and water treatment process thereof |
| 12/31/2008 | CN101333036A Moving-bed bioreactor for treating dyeing waste water |
| 12/31/2008 | CN101333035A Biological reaction device of moveable recycling film for sewage treatment |
| 12/31/2008 | CN101333034A Method for constructing purifying water by constructing microbe film in pond by using elastic filler |
| 12/31/2008 | CN101333033A Rigid and flexible composite bio-fillers for deodorization by bio trickling filtration and method for preparing same |
| 12/31/2008 | CN101333032A Bio-contact oxidizing treatment device using standard box |
| 12/31/2008 | CN101333031A Aerobic biological fluidized bed using standard box |
| 12/31/2008 | CN101333030A Sewage treating method and device for simulating aeration process in deep well |
| 12/31/2008 | CN101333029A Artificial oxygenation type composite underflow wet land sewage purification process |
| 12/31/2008 | CN101331849A Ecology reparation method of eutrophication barricaded sea area using gracilaria marine macroalgae |
| 12/31/2008 | CN100447101C Treatment technology of mesitylene amine |
| 12/31/2008 | CN100447100C Biological electrochemical combined system for treating dye waste water and method thereof |
| 12/31/2008 | CN100447099C Reactor and method for anaerobic wastewater treatment |
| 12/31/2008 | CN100447098C Cladophora and transparent daphnia combined algae control method |
| 12/30/2008 | US7470367 aerobic and anaerobic processes, nitrification of ammonia (impurity) to nitrate under the influence of a microorganism in presence of oxygen, denitrification to form N2 through addition of a carbon-containing component |
| 12/30/2008 | US7470362 In line wetland water treatment system and method |
| 12/25/2008 | US20080314845 in settling and retention basin; wastewater flow |
| 12/25/2008 | US20080314841 physical-chemical treatment method and a biological treatment method; replace the expensive measuring unit with the inexpensive measuring unit when abnormal operation or failure of a measuring device; automatic operation; reduce cost on installation, maintenance time and manpower |
| 12/25/2008 | US20080314830 Method of Removing Phosphorus from Wastewater |
| 12/25/2008 | US20080314829 determining a control algorithm based on the relationship between the value of a parameter of the influent provided to the membrane bioreactor system and an optimal performance measurement parameter of the system and controlling operating parameters using determined control algorithm; reduced energy use |
| 12/25/2008 | US20080314828 Apparatus and method for the treatment of waste |
| 12/25/2008 | US20080314826 Membrane Supported Biofilm Process for Autotrophic Reduction |
| 12/25/2008 | US20080314825 for waste water effluents |
| 12/25/2008 | US20080314824 biosynthesis production of biogas by fermentation the biomass, or waste |
| 12/25/2008 | US20080314806 Waste Water Purification Apparatus |
| 12/24/2008 | WO2008157669A1 Wastewater treatment system with simultaneous separation of phosphorus and manure solids |
| 12/24/2008 | WO2008156151A1 Simulation method, simulation apparatus, biological treatment method and biological treatment apparatus |
| 12/24/2008 | WO2008155859A1 Water purification method and purification apparatus |
| 12/24/2008 | WO2008155510A1 Process control software for the control of hydraulic retention time in a biological reactor |
| 12/24/2008 | WO2008155407A1 A unit, a plant and a method for treatment of polluted water |
| 12/24/2008 | EP2006254A1 Wastewater treatment |
| 12/24/2008 | EP1858812A4 Biodestruction of blended residual oxidants |
| 12/24/2008 | EP1807184B1 Integrated permeate channel membrane |
| 12/24/2008 | CN201169556Y Movable sewage treating device |
| 12/24/2008 | CN201169555Y Multifunctional filter tube |
| 12/24/2008 | CN201168573Y Aerating gas external pressure float grass type membrane filter |
| 12/24/2008 | CN101331089A Double-sided self-cleaning media |
| 12/24/2008 | CN101328463A Microorganism water purifying assistant, and preparation and use thereof |
| 12/24/2008 | CN101328001A Process for biological treatment of organic waste water and apparatus therefor |
| 12/24/2008 | CN101328000A Lichenism system and short-term contact oxidation comprehensive processing sewerage method |
| 12/24/2008 | CN101327999A Integrated domestic sewage rapid purification reaction apparatus |
| 12/24/2008 | CN101327998A Combination type biological contact oxidation reaction system |
| 12/24/2008 | CN101327997A Comprehensive processing method of aquiculture sewerage |
| 12/24/2008 | CN101327996A Treating process of dilute emulsified oily watewater |
| 12/24/2008 | CN101327990A Method for processing sewerage by A/O biological contact oxidation process |
| 12/24/2008 | CN101327989A Tandem type two-stage three-segment aerating biological filter |
| 12/24/2008 | CN101327988A Surface water comprehensive water processor |
| 12/24/2008 | CN101327987A Use of sludge porcelain granule in sewage disposal |
| 12/24/2008 | CN101327986A Eutrophication water purification apparatus |
| 12/24/2008 | CN101326900A Device for industrially producing Procambarus clarki with roe and production process |
| 12/24/2008 | CN100445367C Nitrobacteria growth promoter |
| 12/24/2008 | CN100445366C Nitrobacteria culture promoter |
| 12/24/2008 | CN100445365C Nitrobacteria culture promoter |
| 12/24/2008 | CN100445364C Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage |
| 12/24/2008 | CN100445362C Method of improving PHA synthesis yield of residual active sludge by native PHA synthesis bacteria refilling process |
| 12/24/2008 | CN100445222C Method of purifying fischer-tropsch derived water |
| 12/24/2008 | CN100445221C Dissolved oxygen control device of Orbal oxidation ditch biological denitrification process and its method |
| 12/24/2008 | CN100445220C Silver carp, bighead carp and cladophora united algae control method |
| 12/24/2008 | CN100445219C Method of purifying Fischer-Tropsch derived water |
| 12/24/2008 | CA2692133A1 Wastewater treatment system with simultaneous separation of phosphorus and manure solids |
| 12/23/2008 | US7468135 Portable tank wastewater treatment system and method |
| 12/23/2008 | US7468134 See-thru self cleaning biological filter system for aqua-culture |
| 12/23/2008 | US7468133 Production of methane gas from flush dairy operations using baffles indirectly heated by hot water or steam in a lagoon that are aligned in rows oriented perpendicular to the flow of nutrient-rich liquid; suspended sheets of porous material on which are methane-producing bacteria |
| 12/23/2008 | US7468132 Exposing to ultrasound, digesting manure producing combustible gases, solid matter and water containing dissolved organic pollutants, drawing off combustible gases, separating, then converting pollutants into bacteria, carbon dioxide and water by treating with activated sludge aeration system; bedding |
| 12/23/2008 | CA2394359C Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonisation |
| 12/18/2008 | WO2008153818A1 Membrane cleaning with pulsed airlift pump |
| 12/18/2008 | WO2008152700A1 Ultrafine grain burnt sand biofiltration apparatus |
| 12/18/2008 | WO2008127357A3 Upflow bioreactor with septum and pressure release mechanism |
| 12/18/2008 | US20080308493 Wastewater treatment |
| 12/18/2008 | US20080308479 Biological treatment and filtration system equipment |
| 12/18/2008 | DE10016365B4 Verfahren zur Trinkwasseraufbereitung Method for drinking water treatment |
| 12/18/2008 | CA2822316A1 Membrane cleaning with pulsed airlift pump |
| 12/18/2008 | CA2688455A1 Membrane cleaning with pulsed airlift pump |
| 12/17/2008 | EP2001809A1 Integrated apparatus and system for the treatment of waste fluids and drain networks |
| 12/17/2008 | EP2001806A1 Modulair continuous production of micro-organisms |
| 12/17/2008 | EP2001579A2 Apparatus for mixing gasses and liquids |
| 12/17/2008 | EP1542932B1 Method for the treatment of waste water with sludge granules |
| 12/17/2008 | EP1381572B1 Method and device for the treatment of fluids in particular for effluent purification |
| 12/17/2008 | EP1313669B1 Method and apparatus for treating wastewater using membrane filters |