| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/09/2006 | US7041215 System for composting-free disposal of organic wastes |
| 05/09/2006 | US7041214 Waste water treatment system |
| 05/04/2006 | WO2006047225A2 Waste treatment systems |
| 05/04/2006 | WO2006039508A3 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge digestion systems |
| 05/04/2006 | WO2005100265A3 Nitrogen recovery system and method using heated air as stripping gas |
| 05/04/2006 | US20060091075 Water filtration using immersed membranes |
| 05/04/2006 | US20060091074 Membrane filtration device and process |
| 05/04/2006 | US20060091073 Process control by adding nitrite to a biological treatment tank from a nitrite storage tank concurrently with contacting ammonium-containing liquid with anaerobic bacteria so that the highest concentration of nitrite nitrogen in the tank is lower than 80 mg/L |
| 05/04/2006 | US20060091054 Apparatus for processing alkaline solution |
| 05/04/2006 | DE19983710B4 Elektromagnetisches Gebläse und dieses verwendende Zweiwege-Luftversorgungsvorrichtung Electromagnetic fan and this use two-way air supply device |
| 05/03/2006 | EP1652824A1 Method and apparatus for treating ammonium-containing liquid |
| 05/03/2006 | EP1652821A1 Device for withdrawing clarified water |
| 05/03/2006 | EP1651576A2 System and method for enhanced wastewater treatment |
| 05/03/2006 | EP1651575A1 Bioreactor |
| 05/03/2006 | EP1651574A1 Method and installation for the biological treatment of water using activated sludge and comprising aeration regulation |
| 05/03/2006 | EP1343729B1 Microbiological composition |
| 05/03/2006 | CN2776969Y Float planting experimental box for polluted water |
| 05/03/2006 | CN2776968Y Reflux biological phosphorus removing device of sludge |
| 05/03/2006 | CN2776967Y Telescopic water decantator |
| 05/03/2006 | CN1768131A Bacterial strain and a method of reducing total dissolved solids |
| 05/03/2006 | CN1768008A Method and system for methane fermentation treatment of wastewater containing sulfur compound |
| 05/03/2006 | CN1765841A Method for innocent treatment of dung or urine of stock and fowl and utilization |
| 05/03/2006 | CN1765779A Printing and dyeing wastewater recovery and disposal method |
| 05/03/2006 | CN1765778A Railway wash water recovery and utilization method |
| 05/03/2006 | CN1765773A Floating island of plant and its construction method |
| 05/03/2006 | CN1765772A Disposal method of nitrobenzene removal from water |
| 05/03/2006 | CN1765771A Process for two-step type bioreactor for sludge decrement |
| 05/03/2006 | CN1765770A Degradation controllable cellulose base microbe carrier stuffing for water disposal and its preparation method |
| 05/03/2006 | CN1765769A Polluted water land disposal method using light haydite as main stuffing |
| 05/03/2006 | CN1765768A City inland river pollution biological purification material and device |
| 05/03/2006 | CN1765767A Apparatus and method for disposing refuse leachate from household refuse burning factory |
| 05/03/2006 | CN1765766A Solar energy membrane bioreactor |
| 05/03/2006 | CN1765765A Combined throw type water oxidation ditch |
| 05/03/2006 | CN1765475A Self air feeding type gas liquid mixing blade |
| 05/03/2006 | CN1254440C Method for preparing granular ammonia oxidative mud with anaerobic bacteria from mixed mud |
| 05/02/2006 | US7037429 Filter device is arranged in the area of the reactor base, and has a filter element that is pivot-connected to a hollow pivoting carrier body so that the filtrate can reach the interior of the carrier from the interior of the filter |
| 05/02/2006 | US7037423 Method for removal and detoxication of dissolved metals in a rainwater discharge |
| 04/27/2006 | WO2006044499A2 Consortium of nitrifying bacteria |
| 04/27/2006 | WO2006043726A1 Method for treating waste water from plant for producing hydrocarbon or oxygen-containing compound |
| 04/27/2006 | WO2006043583A1 Method and system for purifying soil or water contaminated with environmental hormone |
| 04/27/2006 | WO2006042951A1 Method for the physical and biological treatment of a biomass and device for carrying out said method |
| 04/27/2006 | WO2005026052A3 Bionest reactor for the application of anaerobic wastewater treatment and bioenergy recovery |
| 04/27/2006 | US20060086663 System and method for remediaton of soil and groundwater |
| 04/27/2006 | US20060086662 Waste treatment systems |
| 04/27/2006 | US20060086661 Method for reducing sludge of a biological ozone treatment system |
| 04/27/2006 | US20060086660 Integrated technology for treatment and valorization of organic waste |
| 04/27/2006 | US20060086659 Method for digestion of sludge in water purification |
| 04/27/2006 | DE10085484B4 Verfahren zur Herstellung von stabilen und wiederverwendbaren, bioempfindlichen Granulaten A process for the preparation of stable and re-usable, granules bioempfindlichen |
| 04/27/2006 | CA2584148A1 Method and device for low-emission storage of biodegradable matter |
| 04/26/2006 | EP1650170A1 Method of utilizing recovered magnesium ammonium phosphate and apparatus therefor |
| 04/26/2006 | EP1650169A1 Biological clarification device with a submersible pump |
| 04/26/2006 | EP1648525A1 Methods of producing, marketing and using odor control compositions |
| 04/26/2006 | EP1273556B1 Symbiotic residual water treatment station |
| 04/26/2006 | CN2775132Y Water purifying stone cage |
| 04/26/2006 | CN1764716A Microbial materials for degradation of oils and toxic chemicals |
| 04/26/2006 | CN1764606A Bacterial strain for removing total dissolved solids (TDS) from tannery wastewaters |
| 04/26/2006 | CN1764605A Method for depurating waste water biologically |
| 04/26/2006 | CN1762861A Printing and dyeing waste water disposal process |
| 04/26/2006 | CN1762858A Novel highly effective aeration device of revolved blend |
| 04/26/2006 | CN1762855A Method for treating enriched surface water |
| 04/26/2006 | CN1762854A Water purification method for quick transferring contaminant and resource utilization |
| 04/26/2006 | CN1762853A Sewage water denitrification handling method |
| 04/26/2006 | CN1762852A High nitrogen high concentration organic wastewater disposal process |
| 04/26/2006 | CN1762851A Modified microbe stuffing and its preparation method |
| 04/26/2006 | CN1762555A Revolve type film separator |
| 04/26/2006 | CN1253553C Ceramide bacillus and method for production of glycoprotein analog biological flocculant using same |
| 04/26/2006 | CN1253389C Energy saving biological sewage treating method of low soluble oxygen filament bacteria sludge expansion |
| 04/26/2006 | CN1253388C Method and equipment for treatment of polluted fluid |
| 04/26/2006 | CN1253387C Multistage refuse percolate drastic biochemical and physio-chemical treating technology |
| 04/26/2006 | CN1253383C Anaerobic bioreactor for the wastewater-treatment plant |
| 04/26/2006 | CN1253382C Granular carrier for waste water/sewage biological treatment |
| 04/26/2006 | CN1253381C Aerobic polishing system for wastewater |
| 04/25/2006 | US7033503 Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration |
| 04/25/2006 | US7033491 Aquarium filter |
| 04/20/2006 | WO2006041688A1 Nitrate removal in a purge stream using constructed wetlands |
| 04/20/2006 | WO2006041128A1 Organic wastewater treatment method and apparatus |
| 04/20/2006 | US20060081534 Energy-efficient biological treatment with membrane filtration |
| 04/20/2006 | US20060081533 Batch-continuous process and reactor |
| 04/20/2006 | US20060081532 Nitrosomonas and Nitrobacter for oxidizing ammonia and nitrite; aquaculture; use in shrimp ponds to increase yield and size |
| 04/20/2006 | DE102004036634B4 Vorrichtung zum Begasen von Flüssigkeiten und Verfahren zur Montage der Vorrichtung A device for gassing liquids and method of assembling the apparatus |
| 04/20/2006 | CA2583752A1 Integrated multi-zone wastewater treatment system and method |
| 04/19/2006 | EP1647530A1 Energy-efficient biological treatment with membrane filtration |
| 04/19/2006 | EP1646586A1 Treatment of sewage sludge |
| 04/19/2006 | CN2773064Y Denitrifying biological rotary disk device |
| 04/19/2006 | CN2773063Y Interactive and internal-circulation reacting pool |
| 04/19/2006 | CN2773062Y Biological float island frame |
| 04/19/2006 | CN2773061Y Biological-membrane waste water treater |
| 04/19/2006 | CN2773060Y Separated and integral reacting pool |
| 04/19/2006 | CN1761625A Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater |
| 04/19/2006 | CN1761624A Two phase anaerobic organic matter treatment and system |
| 04/19/2006 | CN1761621A Method and hybrid reactor for processing residual wastes |
| 04/19/2006 | CN1761516A Methods for cleaning and maintaining membrane surface during filtration |
| 04/19/2006 | CN1760483A Toilet seat device |
| 04/19/2006 | CN1760146A Nourishing water transfer agent for aquiculture |
| 04/19/2006 | CN1760145A Technique of undercurrent artificial wetland in sequence batch mode for treating sewage |
| 04/19/2006 | CN1251980C Biological reactor for sewage and waste-water treatment |
| 04/19/2006 | CN1251979C Sludge method in sequenced batch mode automatic controlling device and control method |
| 04/19/2006 | CN1251978C Suspended stuffing for water treatment |
| 04/19/2006 | CN1251977C Novel functional suspension filler |
| 04/19/2006 | CN1251976C Biological filter tower for sewage deep treatment |