| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/09/2011 | CN201756488U Town domestic sewage treatment device |
| 03/09/2011 | CN201756472U Ecological cloth for sewage treatment |
| 03/09/2011 | CN201756471U Novel biological anaerobic reactor used for pulping wastewater |
| 03/09/2011 | CN201756470U Jet type aeration device of membrane bioreactor system |
| 03/09/2011 | CN201756469U Waste water treatment device with deep well aeration process |
| 03/09/2011 | CN201756468U Waste water treatment device with deep well aeration process |
| 03/09/2011 | CN201756467U Jet flow swirling aerator |
| 03/09/2011 | CN101983939A Method and device for processing sewage by gas suspension collection and inner circulation settlement |
| 03/09/2011 | CN101983938A Preparation method of bagasse-based biofilm |
| 03/09/2011 | CN101983937A Aeration tank and method of replacing hoses therein |
| 03/09/2011 | CN101705359B Method for recovering silver in silver-containing waste water by biological method |
| 03/09/2011 | CN101514053B Eutrophication water body artificial wetland processing system taking steel-making waste residue as a substrate |
| 03/09/2011 | CN101468846B Sectional inlet and drop oxygenation and contact oxidation integrated sewage treating apparatus and method |
| 03/09/2011 | CN101132994B Waste gas/waste water treatment equipment and method of treating waste gas/waste water |
| 03/09/2011 | CN101113059B Method for low-temperature denitrification and phosphorous removal |
| 03/08/2011 | US7901580 Method, apparatus, and processes for producing potable water utilizing reverse osmosis at ocean depth in combination with shipboard moisture dehumidification |
| 03/03/2011 | WO2011025092A1 Aerator and low-head power-generating apparatus |
| 03/03/2011 | WO2011024905A1 Biotreatment method |
| 03/03/2011 | WO2011023660A1 Agent for preventing and/or controlling biological foaming |
| 03/03/2011 | WO2011023659A1 Kit and agent for preventing and/or controlling biological foaming |
| 03/03/2011 | WO2011023408A1 Waste water purification plant and method for purifying waste water |
| 03/03/2011 | WO2011022754A1 Biological wastewater treatment method |
| 03/03/2011 | WO2010149597A3 3D CULTURING SYSTEMS FOR GROWTH AND DIFFERENTIATION OF HUMAN PLURIPOTENT STEM (hPS) CELLS |
| 03/03/2011 | WO2010114343A3 Water purification recovery and activation apparatus and nozzle assembly for use in water purification recovery and activation apparatus |
| 03/03/2011 | US20110048233 Three-phase cascade separator |
| 03/03/2011 | DE102009037953A1 Reaktor Reactor |
| 03/02/2011 | EP2289855A1 Waste water purification assembly and method for waste water purification |
| 03/02/2011 | EP2018417B1 Novel microorganism for treating wastewater and corresponding method |
| 03/02/2011 | CN201753303U Steam low-temperature quenching and tempering complete sludge drying device |
| 03/02/2011 | CN201753302U Experimental device for treating high ammonia nitrogen leachate with single-stage anoxic/anaerobic UASB - A/O process |
| 03/02/2011 | CN201753301U Fecal sewage mixture A2/O-biofilm synchronous denitrification and dephosphorization equipment |
| 03/02/2011 | CN201753285U Complex enzyme biochemical treatment device for polluted water |
| 03/02/2011 | CN201753284U Buoyancy-free tubular type microporous aerator |
| 03/02/2011 | CN201753283U Plate-type micropore aerator |
| 03/02/2011 | CN101982431A Water inlet outlet pipe network system of efficient sewage land treatment process |
| 03/02/2011 | CN101982430A Novel concentric anaerobic baffled hydrolytic reactor |
| 03/02/2011 | CN101982429A Ultramicropore aerator |
| 03/02/2011 | CN101982428A Ultramicropore aerator used for high organic load sewage treatment |
| 03/02/2011 | CN101982427A Method for modifying composite surface of carbon fiber |
| 03/02/2011 | CN101544450B Method for treating and recycling waste paper making wastewater |
| 03/02/2011 | CN101356927B Use of Bdellovibrio in eliminating pathogenicity vibrio in marine products and breeding water body thereof |
| 03/02/2011 | CN101094814B Apparatus for the aerobic biological purification of wastewater |
| 03/01/2011 | US7897375 Efficiently collect highly active anaerobic ammoxidizing bacteria from water treated, can carry out acclimatization in a short time; ammonium used as a hydrogen donor can considerably reduce the amount of methanol used for denitrification and reduce the amount of sludge produced |
| 03/01/2011 | US7897048 Membrane bioreactor and sewage treatment method |
| 03/01/2011 | US7897047 Retention/detention pond and green roof passive nutrient removal material mixes |
| 03/01/2011 | US7897042 Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set |
| 03/01/2011 | US7897041 Apparatus for aerobic biological cleaning of waste water |
| 02/24/2011 | WO2011022590A2 Heavy metal remediation system |
| 02/24/2011 | WO2011021620A1 Aquatic float unit body using waste tires and aquatic float structure obtained by connecting aquatic float unit bodies |
| 02/24/2011 | WO2011020651A1 Reactor for anaerobically purifying waste water comprising multi-phase separator devices |
| 02/24/2011 | WO2011020532A1 Coupling element for a water aerating device |
| 02/24/2011 | WO2011020142A1 Aeration device |
| 02/24/2011 | WO2010132825A3 System for forming mini microbubbles |
| 02/24/2011 | US20110042309 Solar powered aeration and microbial incubation system |
| 02/24/2011 | US20110042308 Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge |
| 02/24/2011 | US20110042307 Methods and apparatuses to reduce hydrogen sulfide in a biogas |
| 02/24/2011 | US20110042306 Method and Apparatus for Generating Fresh Water, and Method and Apparatus for Desalinating Sea Water |
| 02/24/2011 | US20110042305 Gas actuated mixing system and method |
| 02/24/2011 | CA2808982A1 Wastewater treatment apparatus |
| 02/24/2011 | CA2771528A1 Heavy metal remediation system |
| 02/23/2011 | EP2286903A2 Method and apparatus for dissolving oxygen in water |
| 02/23/2011 | EP2286900A1 Hollow fiber membrane module with covered membrane outer periphery |
| 02/23/2011 | EP2285745A1 Method for biological purification of an aqueous solution containing ammonium perchlorate and optionally nitrates |
| 02/23/2011 | CN201751397U Sewage treatment device of ozone and aeration biological filter pool |
| 02/23/2011 | CN201751393U Omnibearing aeration full-corundum micropore aerator |
| 02/23/2011 | CN1792869B Waste water treating device and method |
| 02/23/2011 | CN101981176A Microbial consortia for biodegradation of sucralose and other chlorinated carbohydrates |
| 02/23/2011 | CN101980971A Advanced wastewater treatment apparatus with two-stage reactor |
| 02/23/2011 | CN101980970A Method for processing waste water |
| 02/23/2011 | CN101980969A Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
| 02/23/2011 | CN101979634A Method for preparing fermentation nitrogen source from chondroitin sulfate production waste water |
| 02/23/2011 | CN101979348A Facultative biochemical-strengthened artificial wetland-based sewage treatment method |
| 02/23/2011 | CN101979347A Method for treating phosphotriester flame retardant wastewater |
| 02/23/2011 | CN101979338A Method for purifying surface water body of reed wetland by using oil degradation bacterium immobilized carrier |
| 02/22/2011 | US7892814 Heat-stable carbonic anhydrases and their use |
| 02/22/2011 | US7892800 Composite support material for bacteria |
| 02/22/2011 | US7892433 Wastewater treatment system |
| 02/22/2011 | US7892432 Organic waste treatment using anaerobic and facultative anaerobic bacteria |
| 02/22/2011 | US7892431 Method and device for purification of effluent |
| 02/22/2011 | US7892424 Decentralized source separation sewage system |
| 02/22/2011 | CA2417321C Nitrite-type nitrification carrier and method for producing the same and method and apparatus for removing nitrogen using the same |
| 02/17/2011 | WO2011020000A2 Combined liquid to solid-phase anaerobic digestion for biogas production from municipal and agricultural wastes |
| 02/17/2011 | WO2011019854A2 A bio-denitrification apparatus and method for making and using same |
| 02/17/2011 | WO2010102418A3 Electrolysis method, and method and plant for the pretreatment of raw water |
| 02/17/2011 | US20110039296 Method of attaching a cell-of-interest to a microtube |
| 02/17/2011 | US20110039291 Bioremediation of Nanomaterials |
| 02/17/2011 | US20110036772 Method of Removing Phosphorus from Wastewater |
| 02/17/2011 | US20110036771 Ballasted anaerobic system and method for treating wastewater |
| 02/17/2011 | US20110036762 Digester gas mixer for waste liquid treatment |
| 02/17/2011 | US20110036377 Parts Washing System |
| 02/17/2011 | DE102009037433A1 Method for pre-clarification of municipal and commercial wastewater, by introducing the waste water in a pre-clarification basin by which the mud is taken away and discharging the pre-cleaned wastewater present above the mud via an outlet |
| 02/17/2011 | CA2771147A1 Combined liquid to solid-phase anaerobic digestion for biogas production from municipal and agricultural wastes |
| 02/17/2011 | CA2770703A1 A bio-denitrification apparatus and method for making and using same |
| 02/16/2011 | EP2284128A2 Method and device for cleaning waste water and separation device for same |
| 02/16/2011 | EP2283734A1 Process to obtain fat and/or oil from industrial waste to use them as raw materials for the production of fuels |
| 02/16/2011 | EP2282974A1 Method and device for biological treatment of water in swimming pools |
| 02/16/2011 | EP2282852A1 Identification, characterization, and application of pseudomonas stutzeri (lh4:15), useful in microbially enhanced oil release |
| 02/16/2011 | EP1943193B1 Method for the treatment of ammonium-containing effluent by means of ph-regulation |
| 02/16/2011 | EP1517862B1 Method for treating an effluent in three biological steps |
| 02/16/2011 | CN201749343U Sewage treatment control system |