| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 06/30/2009 | CA2332438C Improvements to sealed reservoirs for methanation or storage in corrosive atmosphere |
| 06/30/2009 | CA2243190C Method for monitoring biological activity in fluids |
| 06/25/2009 | WO2009078917A2 Removal of selenium in contaminated wastewater streams |
| 06/25/2009 | WO2009077623A1 Trace element solution for biogas methods |
| 06/25/2009 | WO2009076911A1 A hollow fiber membrane module, a membrane biological reactor and a water-processing equipment use of it |
| 06/25/2009 | WO2009052008A3 Retrievable diffuser module with internal ballast/buoyancy chamber |
| 06/25/2009 | WO2009051867A4 Retrievable diffuser module with truss construction |
| 06/25/2009 | US20090159529 removing undesirable contaminants from organic waste material prior to processing; segregating hard particulates; dilution; anaerobic digestion |
| 06/25/2009 | DE102007062563A1 Führungseinrichtung für Tauchmotorrührwerke Guide means for submersible mixers |
| 06/25/2009 | CA2709825A1 Trace element solution for biogas processes |
| 06/24/2009 | EP1409419A4 Anaerobic digestion apparatus, methods for anaerobic digestion a nd for minimizing the use of inhibitory polymers in digestion |
| 06/24/2009 | CN201261741Y Intelligent variable frequency rotating self-cleaning low pollution membrane bioreactor |
| 06/24/2009 | CN101462799A Method for repairing polluted seawater by shellfish-alga composite ecologic system |
| 06/24/2009 | CN101462798A Method for repairing beach wetland by papermaking wastewater irrigation |
| 06/24/2009 | CN101462797A Method for screening and cultivating pollution resistant cladocera, and use thereof |
| 06/24/2009 | CN101462796A Method and apparatus for supplementing composite vertical current constructed wetland carbon source |
| 06/24/2009 | CN101462795A Low energy consumption and high efficiency complete set apparatuses for domestic sewage treatment and odor purification |
| 06/24/2009 | CN101462794A Anaerobic filter for sewage treatment |
| 06/24/2009 | CN101462793A Method for promoting denitrification and dephosphorization of activated sludge sewerage by using composite iron enzyme |
| 06/24/2009 | CN101462792A Apparatus and method for performance comparison of multi-membrane-bioreactor |
| 06/24/2009 | CN101462791A Suspending stuffing for processing fluid bed biological film |
| 06/24/2009 | CN101462790A Modified bio-filter stuffing |
| 06/24/2009 | CN100503475C Method for treating arsenic waste solution of hazardous waste by using composite functional bacteria |
| 06/24/2009 | CN100503474C Biological city sewage treating method |
| 06/24/2009 | CN100503473C T-shape dam upward flow potential-flow wet ground |
| 06/24/2009 | CN100503472C A2/O+A/O technique wastewater biological denitrification phosphorous removal process and its device |
| 06/24/2009 | CN100503471C intensified endogeneous denitrified biological denitrificaion equipment and method |
| 06/24/2009 | CN100503470C Control method and device of A2/O oxidation trench technology synchronous nitration and denitrification |
| 06/24/2009 | CN100503469C Method for manufacturing polymer micro-hole aerator |
| 06/23/2009 | US7550087 Denitrifying a waste stream followed by anoxic treatment to remove selenium; flue gas desulfurization |
| 06/23/2009 | US7550086 Advanced treatment method of ethanolamine-wastewater based on physico-chemical and biological coupling process |
| 06/23/2009 | US7550085 Creating a bacterial treatment zone at a contaminated site by supplying a hydrocarbon food source such as butane to the treatment zone, and recirculating the hydrocarbon to the treatment zone; soil vapor extraction (SVE) system; in-situ method of remediating a contaminated site; VOCs removal |
| 06/23/2009 | US7550083 Process and equipment for treating ammonium containing liquid |
| 06/23/2009 | US7550082 Process and equipment for treating ammonium containing liquid |
| 06/23/2009 | US7550076 System for the treatment of wastewater |
| 06/18/2009 | WO2009074753A2 Sequential biological reactor having a selector for the treatment of municipal or industrial wastewaters. |
| 06/18/2009 | WO2009047406A3 Method and installation for biologically treating waste water |
| 06/18/2009 | US20090152196 Altering metabolism in biological processes |
| 06/18/2009 | US20090152195 Biofilm reactor |
| 06/18/2009 | US20090152194 Removal of selenium in contaminated wastewater streams |
| 06/18/2009 | US20090152193 Drainage water-treating method and drainage water-treating apparatus |
| 06/18/2009 | US20090152192 Novel Arrangement of Denitrification Reactors in a Recirculating Aquaculture System |
| 06/18/2009 | CA2701149A1 Sequential biological reactor having a selector for the treatment of municipal or industrial wastewaters. |
| 06/17/2009 | EP2070880A1 Treatment facility for wastewater containing ammonium |
| 06/17/2009 | EP2070879A1 Method of keeping active the activated sludge in a waste water purification unit |
| 06/17/2009 | EP2070878A1 Process for treating water in a treatment plant and corresponding treatment plant |
| 06/17/2009 | EP2070877A1 Small-scale wastewater treatment plant |
| 06/17/2009 | EP1517859A4 Treating micro-organisms in water using boron conditioned enzymes |
| 06/17/2009 | CN201258281Y Spiral bioreactor |
| 06/17/2009 | CN201258280Y 一体化内循环厌氧污泥反应器 Integrated internal circulation anaerobic sludge reactor |
| 06/17/2009 | CN201258279Y Upward flow reinforcement sewage water land treatment system |
| 06/17/2009 | CN101460413A Anaerobic digester system for animal waste stabilization and biogas recovery |
| 06/17/2009 | CN101460412A System and methods for biological selenium removal from water |
| 06/17/2009 | CN101460411A Apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid |
| 06/17/2009 | CN101456645A Process for biological treatment of organic waste water and apparatus therefor |
| 06/17/2009 | CN101456630A Method for repairing water environment by using biological packet |
| 06/17/2009 | CN101456629A Device of deep layer water distribution multi-medium ecological wetland sewage disposal system and method thereof |
| 06/17/2009 | CN101456628A Sludge slight expansion actuating apparatus and method of anoxia/aerobic biological denitrification process |
| 06/17/2009 | CN101456627A Sewage water and sludge co-processing emission-reducing process and system |
| 06/17/2009 | CN101456626A A<2>/O oxidation ditch process operation control method |
| 06/17/2009 | CN101456625A Method for gathering denitrifying microorganism |
| 06/17/2009 | CN101456624A Air-bubble atomizing device |
| 06/17/2009 | CN101456623A Denitrification method using polylactic acid as carbon source and biological film vector |
| 06/17/2009 | CN101456622A Method for preparing membrane bioreactor plain filter membrane for industrial sewage treatment |
| 06/17/2009 | CN101456621A Biological filling agent and water treatment technology thereof |
| 06/17/2009 | CN101456620A Multi-medium rapid infiltration sewage disposal device and method thereof |
| 06/17/2009 | CN101456619A Hydrophile guard rail at bank edge |
| 06/17/2009 | CN100500831C Denitrifying bacteria composition and its application |
| 06/17/2009 | CN100500593C Combined type wastewater treatment method and equipment |
| 06/17/2009 | CN100500592C Synchronous anaerobic denitrification and desulfurization process |
| 06/17/2009 | CN100500591C Waste water and gas simultaneously biological treating plant for garbage compression station |
| 06/16/2009 | USRE40734 Method for remediation of aquifers |
| 06/16/2009 | US7547394 Sequencing batch reactor tanks with high volumetric exchange rate, a variable cycle length and constant batch volume; batch reactors are operated for carbon, nitrogen removal and phosphorus is removed chemically |
| 06/16/2009 | US7547392 Wastewater treatment vessel |
| 06/14/2009 | CA2646112A1 Process for treating water in a treatment plant and corresponding treatment plant |
| 06/11/2009 | WO2009072887A1 Method and device for converting biomass into methane |
| 06/11/2009 | WO2009071878A1 Production of volatile fatty acids by means of mesophilic fermentation of sludge |
| 06/11/2009 | WO2009050661A3 Process for treating sulphate-containing effluent |
| 06/11/2009 | US20090145844 Sequencing batch membrane bioreactor and method thereof |
| 06/11/2009 | US20090145843 Method for reducing carbon dioxide emissions and water contamination potential while increasing product yields from carbon gasification and energy production processes |
| 06/11/2009 | US20090145827 Water Treatment System |
| 06/10/2009 | EP2067750A1 Method and device for treating waste water with a high share of nitrogen and low share of BSB5, especially water on a waste tip |
| 06/10/2009 | EP2067540A1 Underground in situ bioremediation using site-specific microorganisms |
| 06/10/2009 | EP1377362B1 Floating paddlewheel aerator |
| 06/10/2009 | CN201254493Y Deep groove type gas lifting plug flow stereoscopic circulation type inversion A<2>O integrated combined oxidation ditch |
| 06/10/2009 | CN201254492Y TAIC high efficiency anaerobic reactor |
| 06/10/2009 | CN201254491Y Biochemical matching water installation |
| 06/10/2009 | CN201254490Y Upward assembling anti-blocking filter head |
| 06/10/2009 | CN201254489Y Down-flow type double deck filter material aerating biological filter |
| 06/10/2009 | CN201254488Y Bulk stuffing box |
| 06/10/2009 | CN201254487Y Hollow fiber diaphragm cross flow tilting arrangement structure |
| 06/10/2009 | CN201254486Y Suspension filler for effluent purification |
| 06/10/2009 | CN201254485Y Blocked type floating net cage for treating biological culture water pollution |
| 06/10/2009 | CN201254484Y Control device artificial wet land system |
| 06/10/2009 | CN101450831A Gas stripping circulation type membrane biological reaction apparatus and sewage disposal method |
| 06/10/2009 | CN101450830A Multi-stage aerobic and anoxic coupling bioreactor and sewage disposal method |
| 06/10/2009 | CN101450829A Method for removing toluene in water by using aerobic granule sludge |
| 06/10/2009 | CN100497618C Specific bacteria preparation and method for treating chemical waste water or conventional organic waste water |
| 06/10/2009 | CN100497210C Farmer life sewage treatment system using scattered fields with landscape function |
| 06/10/2009 | CN100497209C Preparation of probiotics bacterium and method for rehabilitation of aquaculture environment |