| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 11/25/2009 | CN101585578A Artificial wetland sewage treatment system provided with high-position overflow trough |
| 11/25/2009 | CN100562500C Drinking water deeply purifying method and device |
| 11/24/2009 | US7622285 Fermenting organic waste in mixture containing methanogenic microorganisms to a biogas comprising methane, removing sulfhydryls from biogas, converting at least a portion of the biogas to synthesis gas comprising carbon monoxide and hydrogen, then contacting with sulfur-free catalyst to produce alcohol |
| 11/24/2009 | US7622042 Water treatment apparatus and method |
| 11/24/2009 | CA2445046C Nitrilases |
| 11/19/2009 | WO2009140013A2 Methods of reducing greenhouse emissions from animal manure |
| 11/19/2009 | WO2009139529A1 Package type water treatment apparatus for reusing sewage water |
| 11/19/2009 | WO2009138192A1 Three-phase cascade separator |
| 11/19/2009 | WO2009138087A2 Resilient member and device, in particular a bio film reactor |
| 11/19/2009 | WO2009114224A9 Microbial consortia for biodegradation of sucralose and other chlorinated carbohydrates |
| 11/19/2009 | US20090286283 Method and affinity column for purifying proteins |
| 11/19/2009 | US20090283472 having a fixed film media apparatus having insertable high surface area polymer cartridges providing growth surfaces for autotrophic or heterotrophic bacteria and a protective shielding surface which isolates the biofilm from turbulence within the wastewater treatment system |
| 11/18/2009 | EP2119499A1 Biofilm carrier used in waste water purification |
| 11/18/2009 | EP1976804B1 Ozonation of wastewater for reduction of sludge or foam and bulking control |
| 11/18/2009 | CN201347397Y Cold rolling, silicon iron diluted alkaline advanced waste treatment apparatus |
| 11/18/2009 | CN201347380Y Circulation type SBR tank device |
| 11/18/2009 | CN201347379Y Elastic support plate type membrane element |
| 11/18/2009 | CN201347377Y Reactor for removing nitrate in groundwater |
| 11/18/2009 | CN101583573A Upflow bioreactor with septum and pressure release mechanism |
| 11/18/2009 | CN101580808A Rhodococcus ruber and application thereof in degradation of hydrocarbon compounds |
| 11/18/2009 | CN101580550A Extra-cellular polysaccharide of aerobic Ruthia sp. strain metabolin and preparation and application thereof |
| 11/18/2009 | CN101580333A Domestic sewage disposal device and treatment method thereof |
| 11/18/2009 | CN101580332A Tubificidae-microorganism symbiotic system muddy water degradation batch reactor and application thereof |
| 11/18/2009 | CN101580331A Tubificidae-microorganism symbiotic system muddy water degradation continuous flow reactor and application thereof |
| 11/18/2009 | CN101580330A Coking waste water processing method and processing equipment |
| 11/18/2009 | CN101580329A Device for anaerobic removal of organic matters in municipal sewage and denitrification of autotrophic organism and method |
| 11/18/2009 | CN101580328A Method and device for treating micro-polluted surface water |
| 11/18/2009 | CN101580327A Sewage treatment process and device thereof |
| 11/18/2009 | CN101580326A Multistage tower type method for treating sewage |
| 11/18/2009 | CN101580325A Method for treating garbage leachate |
| 11/18/2009 | CN101580324A Method applied to new village sewage treatment |
| 11/18/2009 | CN101580323A Treatment method of cellulose ethanol production wastewater |
| 11/18/2009 | CN101580309A Method of treating wastewater containing organic compound |
| 11/18/2009 | CN101580308A Method of treating wastewater containing organic compound |
| 11/18/2009 | CN101580307A Method for constructing demersal microorganism layer on substrate sludge layer in eutrophic water |
| 11/18/2009 | CN101580306A Method for treating breeding water by composite bacteria |
| 11/18/2009 | CN101580305A Wetland governance method for improving ecological environmental in reservoir falling zone |
| 11/18/2009 | CN101580304A Method for united removal heavy metal pollutants from landscape water body by plant material sorbent and limnodrilus organism and device thereof |
| 11/18/2009 | CN101580303A Forest-based algae pool |
| 11/18/2009 | CN101580302A Ecological repairing method of sphagna macroalgae to eutrophic open sea area |
| 11/18/2009 | CN101580301A Ecological repairing method of porphyry macroalgae to eutrophic open sea area |
| 11/18/2009 | CN101580300A Method for purifying culturing water in pond ecological protection slope |
| 11/18/2009 | CN101580299A Wastewater denitrification processing method and system |
| 11/18/2009 | CN101580298A Denitrification of wastewater denitrification processing method and system |
| 11/18/2009 | CN101580297A Method for hanging membrane in sludge internal circulation biological filter |
| 11/18/2009 | CN101580296A Ecological method for treating eutrophic rivers and lakes |
| 11/18/2009 | CN100560713C Xylose oxidation achromatous bacillus SY8 for purifying arsenic contamination and usage thereof |
| 11/18/2009 | CN100560516C Energy-conservation combined building aeration sedimentation tank |
| 11/18/2009 | CN100560515C Batch type aerobic particle sludge membrane bioreactor sewage treatment technique |
| 11/18/2009 | CN100560513C Method for preparing biological flocculant using glutamic acid fermentation waste water |
| 11/17/2009 | US7618547 Groundwater treatment system with air injection into vadose zone |
| 11/17/2009 | US7618537 simultaneous removal of nitrate, perchlorate, and other organic contaminates such as trichloroethylene (TCE); involves recirculating water using the contaminated groundwater long enough to form a biofilm for performing denitrification in the influent water |
| 11/17/2009 | US7618536 Method of treating a marine object |
| 11/15/2009 | CA2631906A1 Versatile biological wastewater treatment system |
| 11/12/2009 | WO2009135249A1 Apparatus for removing contaminants from water |
| 11/12/2009 | WO2009104176A3 Methods of attaching a molecule-of-interest to a microtube |
| 11/12/2009 | WO2009104174A3 A method of attaching a cell-of-interest to a microtube |
| 11/12/2009 | US20090277832 Method for biological disposal of organic wastewater and biological disposal apparatus |
| 11/12/2009 | US20090277831 Microbial based chlorinated ethene destruction |
| 11/12/2009 | US20090277829 Method of ecological restoration of water bodies containing excess nutrient |
| 11/12/2009 | US20090277819 Treating unit for simultaneous removal of carbon and nitrogen from wastewater and treating apparatus having the same |
| 11/12/2009 | DE102008022388A1 Biological cleaning of water up to drinking water quality in ponds, cisterns, biological clarification plant and water-retaining basin, comprises supplying a gabion with a filter material and then placing in a water region e.g. pond |
| 11/12/2009 | DE102008021330A1 In-situ Reinigung von im Bioreaktor integrierten Membranen In-situ cleaning of integrated bioreactor membranes |
| 11/12/2009 | DE102008019782A1 Cleaning of wastewater in aeration basin, comprises occasionally introducing oxygen by a feeding device, and detecting a process actual value of the wastewater in the basin by a measuring device and then guiding to data-processing system |
| 11/11/2009 | CN201343479Y Electroplating wastewater treatment device |
| 11/11/2009 | CN201343478Y UASB-MBR integrated system for treating dyeing wastewater |
| 11/11/2009 | CN201343477Y Specialized intelligent small hospital wastewater treatment facility |
| 11/11/2009 | CN201343476Y Combined reclaimed water treatment system |
| 11/11/2009 | CN201343475Y Waste water processing device for regenerated pulp boxboard production |
| 11/11/2009 | CN201343467Y Two-stage UASB-SBR biochemical system teaching experiment device for garbage percolate treatment |
| 11/11/2009 | CN201343466Y Shortcut biological nitrogen removal teaching experiment device for high ammonia nitrogen garbage percolate |
| 11/11/2009 | CN201343465Y An anaerobic reactor of processing chemical sewage water in high concentration |
| 11/11/2009 | CN201343464Y Fertilizer wastewater treatment device |
| 11/11/2009 | CN201343463Y Float type novel decanter |
| 11/11/2009 | CN201343462Y Unpowered siphoning type decanter |
| 11/11/2009 | CN201343461Y Tube type microporous aerator |
| 11/11/2009 | CN201343460Y Device for strengthening the process control in CAST step-feed synchronous nitrogen and phosphorus removal |
| 11/11/2009 | CN201343459Y Heat energy conversion device for heating garbage percolate |
| 11/11/2009 | CN201343458Y High-temperature high-pressure micro-reflux water sample digestion instrument for monitors |
| 11/11/2009 | CN201343457Y Oily sewage biochemical treatment automatic control device |
| 11/11/2009 | CN101578239A Process and installation for anaerobic treatment of material having a high solids concentration |
| 11/11/2009 | CN101576734A Dissolved oxygen control method based on dynamic radial basis function neural network |
| 11/11/2009 | CN101575162A Method for treating wastewater of fibre-board plant |
| 11/11/2009 | CN101575161A High-salt-content organic wastewater treating device |
| 11/11/2009 | CN101575160A Device for treating organic wastewater by active film bioreactor |
| 11/11/2009 | CN101575159A Method of intensified denitrification and dephosphorization of urban sewage |
| 11/11/2009 | CN101575158A Garbage leachate treatment process and device |
| 11/11/2009 | CN101575157A Method and system for treating sewage through composite tidal current artificial marsh |
| 11/11/2009 | CN101575156A Artificial wetland system with strengthened denitrification and dephosphorization |
| 11/11/2009 | CN101575155A High-efficiency and energy-saving sewage treatment method and high-efficiency and energy-saving sewage treatment device |
| 11/11/2009 | CN101575147A Method for restoring heavy metal of eutrophic water by utilizing lawn plants |
| 11/11/2009 | CN101575146A Self-anchored immersed ecological filter bed and method thereof for purifying micro-polluted surface water in situ |
| 11/11/2009 | CN101575145A Riverway water quality purification and ecosystem restoration adjustable wetland technology |
| 11/11/2009 | CN101575144A Method for repairing water ecology |
| 11/11/2009 | CN101575143A Anaerobic treatment device for treating sewage with sulfate radicals and organic matters |
| 11/11/2009 | CN101575142A Rotary-type water decanter |
| 11/11/2009 | CN101575141A Biodegradable inclined form filler |
| 11/11/2009 | CN101575140A Method for treating urban sewage with low carbon nitrogen ratio by using garbage percolate as carbon source |
| 11/11/2009 | CN101575139A Method for treating urban sewage with low carbon nitrogen ratio by using sludge liquor as carbon source |
| 11/11/2009 | CN101575126A Sewage purification treatment method and device thereof and system |