| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/26/2005 | CN1569687A Anaerobic reactor for processing waste water containing high concentration suspended solid |
| 01/26/2005 | CN1569686A Vertical sewage treatment device |
| 01/26/2005 | CN1569685A Water treatment fillings |
| 01/26/2005 | CN1569684A Process for preparing bio-catalytic combined filling for biological fluidized bed |
| 01/26/2005 | CN1569683A Novel filter material used in process of bio-aeration filter tank |
| 01/26/2005 | CN1569682A Membrane aeration and membrane separation coupled sewage treatment device and method |
| 01/26/2005 | CN1569680A Biomembrane water treatment device |
| 01/26/2005 | CN1569668A Apparatus and method for treating waste water containing organic substances |
| 01/26/2005 | CN1186275C Long-acting microbial water purifying agent and its producing method |
| 01/26/2005 | CN1186269C Device for electro-biological treatment of organic sewage difficult to be degraded |
| 01/26/2005 | CN1186109C Biological filtering equipment |
| 01/25/2005 | US6846666 Bacterial strain MTCC 5098 and a method of reducing total dissolved solids (TDS) from pulp and paper wastewater effluents using the said strain |
| 01/25/2005 | CA2111274C Wastewater treatment |
| 01/20/2005 | WO2005005328A1 Method of utilizing recovered magnesium ammonium phosphate and apparatus therefor |
| 01/20/2005 | WO2005005327A1 Water purification high-level treatment method and apparatus |
| 01/20/2005 | WO2005005326A1 Bioreactor |
| 01/20/2005 | WO2005004639A1 Process for producing liquid formulation containing raw yeast and liquid formulation |
| 01/20/2005 | US20050011830 Gel-based remedial additive for remediation of environmental media and method of use |
| 01/20/2005 | US20050011829 Digestion efficiency; filament structure for attaching biomass; water pollution control |
| 01/20/2005 | US20050011828 Integrated technology for treatment and valorization of organic waste |
| 01/19/2005 | EP1497231A1 Aerator |
| 01/19/2005 | EP1414750A4 Pcr-based monitoring in wastewater biotreatment systems |
| 01/19/2005 | EP1351894A4 Aerobic polishing system for wastewater |
| 01/19/2005 | CN2672053Y Waste water processing aerator of novel liquid resistant structure |
| 01/19/2005 | CN2672052Y Waste water purifier |
| 01/19/2005 | CN1568221A Air diffuser membrane treated with biocide |
| 01/19/2005 | CN1565991A Culture method of microorganism for treating high temperature wastewater |
| 01/19/2005 | CN1565990A Biochemical treatment process for recovered waste water in oil field |
| 01/19/2005 | CN1565989A Method for waste water treatment by utilizing intermittent aeration and re-circulations |
| 01/19/2005 | CN1565988A Bioreactor for water treatment |
| 01/19/2005 | CN1185489C Methanation activity measuring instrument |
| 01/19/2005 | CN1185173C Method and equipment for controlling residence time of clarified sludge in activated sludge process |
| 01/19/2005 | CN1185172C 自动曝气装置 Automatic aerator |
| 01/18/2005 | US6843909 Three-stage aquarium filtration |
| 01/18/2005 | US6843908 Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same |
| 01/18/2005 | US6843470 Air diffuser and flushing method thereof |
| 01/13/2005 | WO2005003044A1 Method and system for treating wastewater |
| 01/13/2005 | WO2005003043A1 Ejector for aeration |
| 01/13/2005 | WO2005003024A1 Photosynthetic hydrogen production |
| 01/13/2005 | WO2005002331A1 Device for removing impurities from a liquid |
| 01/13/2005 | US20050006308 Inverted cavity aerator for membrane module |
| 01/13/2005 | US20050006306 Absorbent on catalyst support; bioremediation of soil and, or groundwater |
| 01/13/2005 | US20050006305 Method and system for treating wastewater |
| 01/13/2005 | US20050006304 Separator is used to separate solid and liquid human waste, decompose chambers; sewage treatment, recycling liquid waste to purification for different uses, decomposing solid waste for plant growth; odorless; onsite domestic sewerage treatment |
| 01/12/2005 | EP1494971A1 Methods and apparatus for treating animal manure |
| 01/12/2005 | CN1563355A enteric bacilli, preparation method and application |
| 01/12/2005 | CN1563354A Strain in use sensor of measuring oxygen quantity needed by industrial wastewater or seawater biochemistry-method for cultivating bacillus licheniformis |
| 01/12/2005 | CN1563350A Schizogensis microzyme, and preparation method and application |
| 01/12/2005 | CN1563342A Microbe preparation in use for treating high difficult wastewater and preparation method |
| 01/12/2005 | CN1562897A Method for efficient utilizing wastes from brewage industry |
| 01/12/2005 | CN1562812A Method of carrying out sewerage treatment by using zoology filter cell and earthworm tower type zoology filter cell |
| 01/12/2005 | CN1562811A Method for constructing landscape ecosystem on ultrophication water body |
| 01/12/2005 | CN1562810A Method for renovating zoology in lakeshore zone |
| 01/12/2005 | CN1562809A Method for controlling water bloom of blue algae |
| 01/12/2005 | CN1562808A Biological denitrification technique for waste water of bean products and fuzzy control device and method |
| 01/12/2005 | CN1562807A Method for determining nitrogen loss quantity in procedure of nitrifying wastewater of containing ammonia |
| 01/12/2005 | CN1562806A Carbon source denitrogenation inside cells for sewage |
| 01/12/2005 | CN1562805A Sludge method in sequenced batch mode automatic controlling device and control method |
| 01/12/2005 | CN1562804A Facility for guiding airflow and water flow in aerator |
| 01/12/2005 | CN1562803A Water treatment of catalysis particulate fillter for aerobe and its prodn. method |
| 01/12/2005 | CN1562802A Vertical deflector combined Filtration type dephosphorization and nitrogen rejection facility |
| 01/12/2005 | CN1562801A Sewerage treatment method by using precoated dynamic membrane to filter mixed liquor of activated sludge |
| 01/12/2005 | CN1562800A Stuffing of controllable degradative macropore cellulose for carrying microbe in use for treating wastewater and preparation |
| 01/12/2005 | CN1562799A Method for fast starting up procedure for nitrifying wastewater of containing ammonia in short range |
| 01/12/2005 | CN1562784A Water saving type multifunctional technique for treating circulating water and device |
| 01/12/2005 | CN1562777A Method for restraining consumed speed rate of oxygen dissolved in polluted water and water quality acidified |
| 01/12/2005 | CN1184152C Overlapped bio-chemical filter |
| 01/11/2005 | US6841072 Method and device for the anaerobic purification of a slurry which contains organic constituents |
| 01/11/2005 | US6841071 Symbiotic residual water treatment station |
| 01/11/2005 | US6841070 Apparatus and method for cleaning membrane filtration modules |
| 01/11/2005 | US6841066 Filtration device for a waste water treatment system |
| 01/06/2005 | WO2004101447B1 A method of induced froth (foam) formation process and natural purification |
| 01/06/2005 | US20050003204 Mutiple layered membrane with fluorine containing polymer layer |
| 01/06/2005 | US20050000907 Flocculating; separating solids from liquids by filtration; fluidization; discharging |
| 01/06/2005 | US20050000906 Methods and apparatus for treating animal manure |
| 01/06/2005 | US20050000873 Wastewater treatment bioreactor |
| 01/06/2005 | US20050000871 Fluid diverter for a wastewater treatment system |
| 01/05/2005 | EP1493717A1 Method for flushing a biological sewage treatment reactor |
| 01/05/2005 | EP1493477A2 Activated sludge system for purifying household waste waters |
| 01/05/2005 | EP1492733A1 Plantations equipped for treatment of organic effluents by biosanitization |
| 01/05/2005 | EP1330415A4 Polluted water treatment system |
| 01/05/2005 | EP1236688B8 Biological purification plant for residual waters equipped with anaerobic digestors and purification process |
| 01/05/2005 | EP1204608B1 Method of purifying water, suitable bacteria for the method and use thereof |
| 01/05/2005 | DE10326701A1 Verfahren zur Vererdung von Faulschlämmen Process for the humification of digested sludge |
| 01/05/2005 | DE10225286B4 Beschickungsschöpfwerk für biologische Reinigungsstufen Feed pumping station for biological treatment step |
| 01/05/2005 | CN2668728Y Integral septic tank |
| 01/05/2005 | CN2668623Y Hole-type rubber film aerator |
| 01/05/2005 | CN2668622Y Efficient surface-oxygenation aeration machine |
| 01/05/2005 | CN1559937A Process for treating and controlling waste water containing high concentration hazard rubbish chromium by high efficient function bacteria |
| 01/05/2005 | CN1559936A Ecology process of controlling nitrite in fish and shrimp pond |
| 01/05/2005 | CN1559935A Method for biological repairing eutrophication of subtropical zone caltivate pond |
| 01/05/2005 | CN1559934A Method for biological repairing eutrophication of subtropical zone sea water fish culture in net cage area |
| 01/05/2005 | CN1559927A Process of streng thening biotreating sewage with supersonic generator |
| 01/05/2005 | CN1559924A Apparatus for treating circulating water of environmental protection toilet |
| 01/05/2005 | CN1559710A Method of treating fail sand arsenic pollution |
| 01/05/2005 | CN1559184A Method for quickly reproducing engineering seedling of myriophyllum |
| 01/05/2005 | CN1183046C Method of purifying water, suitable microbe for said method and use thereof |
| 01/05/2005 | CN1183045C Multifunction sea-water purifying device and treatment method |
| 01/05/2005 | CN1183041C Process for purification of industrial waste water fro propylene oxide production process |
| 01/04/2005 | US6838000 Ultrafiltration, microfiltration of gray/black water with membrane; for producing potable water |