| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 10/30/2007 | CA2398461C Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same |
| 10/30/2007 | CA2398460C Air diffuser and flushing method thereof |
| 10/25/2007 | WO2007119732A1 Float for treating oily sewage and method of treating oily sewage |
| 10/25/2007 | WO2007077575A3 A waste water treatment plant |
| 10/25/2007 | WO2007053890A8 Combination membrane/biolytic filtration |
| 10/25/2007 | US20070246422 Hollow Fiber Membrane Filter with a Supporting Structure |
| 10/25/2007 | US20070245480 Spa with waterfall |
| 10/25/2007 | DE102006019446A1 Carrier material as growth surface for immobilizing biofilm containing microorganisms in wastewater for biological treatment of wastewater, includes disk-, ring- or unsymmetrical calotte shaped hollow plastic bodies with rough surface |
| 10/24/2007 | CN200964375Y Pressure type integrated biological treatment apparatus for sewage |
| 10/24/2007 | CN200964374Y Underearth domestic sewage treatment apparatus |
| 10/24/2007 | CN200964373Y System for ecologically cleaning flat country water area |
| 10/24/2007 | CN200964372Y Running water pulser |
| 10/24/2007 | CN200964371Y Purifying and treating apparatus for self-decomposing domestic sewage |
| 10/24/2007 | CN200964370Y Device for eliminating expansion and foam generated by oxidation groove sludge |
| 10/24/2007 | CN200964369Y Compact type minitype sewage biological treatment device using membrane module instrument |
| 10/24/2007 | CN200964368Y Membrane biological reactor |
| 10/24/2007 | CN101058464A Micro-aerobic bacteria treatment method for high concentrated organic wastewater |
| 10/24/2007 | CN101058463A Waste water biological treatment method for realizing anaerobic ammoxidation and methanation denitrification coupling |
| 10/24/2007 | CN101058462A Multi-stage inner-circulation nitration-denitrification biological denitrogenation reactor |
| 10/24/2007 | CN101058461A Air-lift type anaerobic bioreactor |
| 10/24/2007 | CN101058460A Preparation method and application of composite man-made fibre material |
| 10/24/2007 | CN101058459A Substance for treatment of sewage and waste water, carrier containing the substance and method for preparing the same |
| 10/24/2007 | CN101058458A Water purifying device and system for hanging swinging type biochemical reactor |
| 10/24/2007 | CN101058457A Detachable jet aerator and using method thereof |
| 10/24/2007 | CN101058456A Method of enhancing organism treatment industrial sewage by employing complex enzyme biological accelerant |
| 10/24/2007 | CN101058455A Method of enhancing organism treatment domestic sewage by employing complex enzyme biological accelerant |
| 10/24/2007 | CN101058453A Method of eliminating hexavalent chromium in sewage by using active sludge microorganism |
| 10/24/2007 | CN101058048A Electric wastewater treating apparatus |
| 10/24/2007 | CN100344749C Saccharomycete and its application |
| 10/24/2007 | CN100344559C Method for cyclically utilizing middle water of public toilet sewage and specialized equipment therefor |
| 10/24/2007 | CN100344558C Integrated sewage treatment equipment with multi-biomembrane |
| 10/24/2007 | CN100344557C Sewage treatment system |
| 10/24/2007 | CN100344556C Bioreactor for sewage treatment |
| 10/24/2007 | CN100344555C Application of netural plant luffa hollow fibre material |
| 10/24/2007 | CN100344552C Method and apparatus for treating urban sewage by means of flue gas desulfurization of power plant and fly ash |
| 10/24/2007 | CN100344548C Waste water treatment system by superconductive magnetic separation |
| 10/23/2007 | US7285217 Removing odoriferous sulfides from wastewater |
| 10/23/2007 | US7285216 Maintaining, in the sulphide-containing water, a redox potential gradient across an interface zone between oxidized surface water and substantially non-oxidized water below the interface zone; biologically oxidizing, in the interface zone, sulphides in the water to sulphur |
| 10/23/2007 | US7285215 Process for improving phosphorus removal in waste water treatment without chemical addition |
| 10/23/2007 | US7285212 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 10/23/2007 | US7285208 Water circulation systems for ponds, lakes, and other bodies of water |
| 10/23/2007 | US7285207 Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater |
| 10/23/2007 | CA2374221C Water circulation apparatus system and method |
| 10/18/2007 | WO2007117152A1 Method for producing biogas |
| 10/18/2007 | WO2007115464A1 An apparatus for anaerobic treating wastewater |
| 10/18/2007 | US20070241041 Waste water and sludge treatment apparatus |
| 10/18/2007 | DE19942188B4 Systemfilter für Teichwasser o. dgl. System filter for pond water o. The like. |
| 10/17/2007 | EP1844847A1 Microbubble producing device, vortex breaking nozzle for microbubble producing device, spiral flow producing blade body for microbubble producing device, microbubble producing method, and microbubble applied device |
| 10/17/2007 | EP1492733B1 Plantations equipped for treatment of organic effluents by biosanitization |
| 10/17/2007 | CN200961114Y Integrated splash oxygenate organism filtering sewage purifying installation |
| 10/17/2007 | CN200961113Y Immersion type rolled thin film filter |
| 10/17/2007 | CN200961112Y Fiber type biological membrane carrier filling structure |
| 10/17/2007 | CN200961111Y Aerating biological filter |
| 10/17/2007 | CN200961110Y Mobile ecological filtering bed |
| 10/17/2007 | CN200959767Y Overall plastic composite culturing floating bed for plant on water |
| 10/17/2007 | CN200959766Y Multi-functional culturing floating bed for straw foil on water |
| 10/17/2007 | CN200959764Y Culturing floating bed for plant on water |
| 10/17/2007 | CN101056826A Packing for a bioreactor |
| 10/17/2007 | CN101054567A Clostridium Daqing clostridium and application thereof |
| 10/17/2007 | CN101054563A Fixation bacterium organism adsorbent for silver and preparation method thereof |
| 10/17/2007 | CN101054562A Bacterium organism adsorbent for silver and preparation method thereof |
| 10/17/2007 | CN101054255A Method and device for treating and reclaiming unpowered sewage |
| 10/17/2007 | CN101054254A Method and apparatus for treating emulsified oil waste water |
| 10/17/2007 | CN101054253A Method for treating sewage of organism/zoology lake bank |
| 10/17/2007 | CN101054252A Method and system for treating domestic sewage by artificial wet field |
| 10/17/2007 | CN101054251A Method of preparing biological activity water by fecaluria of livestock and poultry and application thereof |
| 10/17/2007 | CN101054250A Technique for treating garbage percolate by combinated physicochemistry and organism bacterium |
| 10/17/2007 | CN101054249A Multipoint water feeding sewage treatment process by zeolite and organism united adsorption and regeneration |
| 10/17/2007 | CN101054248A Method of treating fluorine-containing edible water of various water quality |
| 10/17/2007 | CN101054243A Application of micrococcus antarcticus in treating sewage at low temperature |
| 10/17/2007 | CN101054242A Application of planococcus psychrotoleratus in treating sewage at low temperature |
| 10/17/2007 | CN101054241A Application of flavobacterium omnivorum in treating sewage at low temperature |
| 10/17/2007 | CN101054240A Method and device for treating flowing polluted water body |
| 10/17/2007 | CN101054239A Method and device for treating flowing polluted water body |
| 10/17/2007 | CN101054238A Method and device for treating flowing polluted water body |
| 10/17/2007 | CN101054237A Method of treating sewage by composite vertical down flow artificial wet field and treatment system thereof |
| 10/17/2007 | CN101054236A Denitrogenation method for nitrosation-anaerobic ammoxidation single stage organism |
| 10/17/2007 | CN101054235A Three-phase separator for high efficiency anaerobic reactor |
| 10/17/2007 | CN101054234A Upflow type anaerobic reactor |
| 10/17/2007 | CN101054233A Zeolite strengthened anaerobic ammoxidation sewage processing technique |
| 10/17/2007 | CN101054232A Highly efficient treatment process for waster water with high content of salt |
| 10/17/2007 | CN101054231A Process for concentrating, assimilating and treating flat plate film sludge synchronously |
| 10/17/2007 | CN101054230A Flat plate film sludge concentration and treatment process |
| 10/17/2007 | CN101054229A Alveolate carrier deposited with stale garbage microorganism, preparation method and application thereof |
| 10/17/2007 | CN101054211A Water-algae self-circulation station for preventing and curing blooms explosion and water body eutrophication |
| 10/17/2007 | CN101053816A Bulk stuffing |
| 10/17/2007 | CN100343384C Biological process for colour reduction of pulp and paper effluent |
| 10/17/2007 | CN100343186C Water quality modifier |
| 10/17/2007 | CN100343185C Ecological water purifying material for aquiculture |
| 10/16/2007 | US7282149 Vaporizing a liquid electron donor to form a treating gas; treating gas or hydrogen is directed to a subsurface site that includes one or more contaminants, thereby stimulating anaerobic degradation of the subsurface contaminants |
| 10/16/2007 | US7282144 Semi-submersible floating decanters and methods of using same |
| 10/16/2007 | US7282141 Mixer and process controller for use in wastewater treatment processes |
| 10/16/2007 | CA2305489C Method for controlling and managing the biomass store of biological installations treating waste water |
| 10/11/2007 | WO2007115285A2 Wastewater purification method and apparatus |
| 10/11/2007 | WO2007114787A1 High solid thermophilic anaerobic digester |
| 10/11/2007 | WO2007114476A1 A method and system of digesting excess sludge |
| 10/11/2007 | WO2007114063A1 Method of utilizing by-product water and system for utilizing by-product water |
| 10/11/2007 | WO2007062621B1 Sewage treatment plant comprising a membrane unit |
| 10/11/2007 | WO2006135500A3 Method and apparatus for controlling sulfide generation |
| 10/11/2007 | US20070235388 Process and Reactor for Intensified and Energy-Efficienty, Biological (Waste-)Water Treatment |