| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/07/2008 | CN101172714A Technique for purifying water system of landscape public park |
| 05/07/2008 | CN101172713A Novel technique for sewage process with full-natural material low cost |
| 05/07/2008 | CN101172712A Process method for stairway composite ecological bed clarified sewage and ecological bed thereof |
| 05/07/2008 | CN101172711A Sewage treating apparatus of point-division feed water multilevel biomembrane reactor |
| 05/07/2008 | CN101172710A Method for processing high concentrated organic wastewater with two-stage diphasic anaerobic technique |
| 05/07/2008 | CN101172709A Method for anaerobic treatment of consumer waste leachate and reactor thereof |
| 05/07/2008 | CN101172708A Speed changing type liquefaction sewage sludge bed organic waste water processing method |
| 05/07/2008 | CN101172707A Spiral flow-pulling tumbling-box anaerobic reactor |
| 05/07/2008 | CN101172706A Low energy consumption oxygenation method and system for organic waste water biochemical treatment |
| 05/07/2008 | CN101172705A High-efficiency oxidation ditch biological sewage treatment method and system |
| 05/07/2008 | CN101172704A Wastewater film biological treatment technique for pressurization static bed coal gasification technique |
| 05/07/2008 | CN101172703A Oxidation ditch technique processing method based on feed water variation of water quality |
| 05/07/2008 | CN101172702A Wastewater treatment technique for pressurization static bed biomembrane reactor |
| 05/07/2008 | CN101172701A Mist microvesicle gas jet aeration head |
| 05/07/2008 | CN101172700A Discontinuous bidirectional-flow aerating biological filter and wastewater treatment method thereof |
| 05/07/2008 | CN101172699A Improved structure for gas and water mix backwash of aerating biological filter |
| 05/07/2008 | CN101172698A Wedge and plug-in combined suspending filling material |
| 05/07/2008 | CN101172697A Artificial soil rapid filtration system for strengthening remove of nitrogen in sewage |
| 05/07/2008 | CN101172696A Air-water combined siphonage bidirectional backwash technique and device |
| 05/07/2008 | CN101172695A Centralized aerobic mud pulling sedimentation tank |
| 05/07/2008 | CN101172694A Accelerant for biological treatment of dimethyl ether waste water |
| 05/07/2008 | CN101172693A Artificial wet land water treatment technology |
| 05/07/2008 | CN101172668A Indoor simulated system applied in lake sediment-water interface process research |
| 05/07/2008 | CN101172217A Self-suction gas-liquid mixing impeller |
| 05/07/2008 | CN101172216A Self-suction gas-liquid mixing impeller |
| 05/07/2008 | CN100386428C Chloride ion resistant strain S616 and its screening method |
| 05/06/2008 | US7368278 Process for treating an effluent polluted by MTBE or TAME using the Mycobacterium austroafricanum I-2562 strain fixed on a mineral support comprising perlite |
| 05/06/2008 | CA2538687C Method and portable apparatus for in-transport treatment of waste water |
| 05/06/2008 | CA2372374C Waste treatment with control over biological solids |
| 05/02/2008 | WO2008050826A1 Aeration apparatus |
| 05/02/2008 | WO2008049152A1 A system, method and apparati for managing air pollution and effects of global warming on a large scale |
| 05/02/2008 | WO2008030870A3 Wastewater treatment system |
| 05/02/2008 | WO2007131522A3 Method and device for purification of wastewater |
| 05/01/2008 | US20080101868 Bioventing Remediation Method |
| 05/01/2008 | US20080099398 Incorporating into nonwoven fibrous filtering layer; long term continuous flow operation without maintenance |
| 05/01/2008 | US20080099397 Applicable to domestic sewer, industrial, slaughterhouse and dairy waste waters; low cost; produces natural fertilizer material |
| 05/01/2008 | US20080099396 Device and Method for Purifying Waste Water |
| 05/01/2008 | US20080099395 Nucleic acid, nucleic acid for detecting chlorinated ethylene-decomposing bacteria, probe, method of detecting chlorinated ethylene-decomposing bacteria, and method of decomposing chlorinated ethylene |
| 04/30/2008 | EP1419003B1 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
| 04/30/2008 | DE102006050922A1 Transmitting heat between wastewater e.g. domestic wastewater located in sand trap and fluid e.g. oil by heat exchanger, comprises producing convective flow that moves the wastewater along outer surface of the exchanger, in the wastewater |
| 04/30/2008 | CN201052991Y Intermediate water regenerating machine |
| 04/30/2008 | CN201052986Y Highly effective ecological unit type sewage treatment device |
| 04/30/2008 | CN201052985Y Radial flow type artificial wetland |
| 04/30/2008 | CN201052984Y Biological island reciprocal current artificial wet land |
| 04/30/2008 | CN201052983Y Upflow type expanding bed anaerobic bioreactor |
| 04/30/2008 | CN201052982Y Rotary disc sheet for aeration machine |
| 04/30/2008 | CN101171386A Chlorine dioxide treatment composition and method |
| 04/30/2008 | CN101168729A Highly effective hydrogen yield photosynthetic bacterium and application thereof |
| 04/30/2008 | CN101168461A Sewage denitrogenation dephosphorylation treatment method by using biological film to filter |
| 04/30/2008 | CN101168460A Alternative aeration technique |
| 04/30/2008 | CN100384994C Method of immobilized sludge to remove nitrogen, phosphor in eutrophication water body |
| 04/30/2008 | CN100384763C Artificial ecological waste water treating device |
| 04/30/2008 | CN100384761C Method and apparatus for immobilizing cells to treat wastewater |
| 04/30/2008 | CN100384760C Arsenic polluted water body repairing method and apparatus |
| 04/30/2008 | CN100384759C Drink-water biological treatment method of realizing synchronous nitration and counter nitration |
| 04/30/2008 | CN100384758C Biochemical city sewage denitriding and dephosphorizing method in suspension stuffing bed |
| 04/30/2008 | CN100384757C Method for preventing and controlling eutrophic water bloom in drinking water source |
| 04/30/2008 | CN100384520C Bioreactor of dynamic membrane of 3D filter cloth |
| 04/24/2008 | WO2008048594A1 Membrane bioreactor for phosphorus removal |
| 04/24/2008 | WO2008048103A1 Simultaneous acid and base production from an aqueous stream |
| 04/24/2008 | WO2008046927A1 Biofilm support component for a biological water purification reactor, having a series of corrugations, and corresponding reactor |
| 04/24/2008 | WO2008046431A1 Biological sewage treatment device |
| 04/24/2008 | WO2008046139A1 Wastewater treatment |
| 04/24/2008 | WO2008021558A3 Biomass treatment of organic waste or water waste |
| 04/24/2008 | WO2007128897A3 Novel microorganism for treating wastewater and corresponding method |
| 04/24/2008 | US20080093295 Waste treatment; controlled release; prevents dry trap in systems containing U-traps |
| 04/24/2008 | US20080093294 Includes corrugated sheets having crests (peaks) and valleys (trough), with intermediate member mounted between layers |
| 04/24/2008 | US20080093293 Fluid Bed Expansion and Fluidisation |
| 04/24/2008 | DE102007036657A1 Domestic-scale sewage treatment plant comprises collecting tank with overflow at top which feed sewage to reed bed, pipe system at base of tank aerating sewage in it to produce biological clarification |
| 04/24/2008 | DE102006019446B4 Trägermedium zur Immobilisierung von Mikroorganismen und Verfahren zur Herstellung dieses Trägermediums Carrier medium for immobilizing microorganisms and method for producing said carrier medium |
| 04/24/2008 | CA2666503A1 Membrane bioreactor for phosphorus removal |
| 04/24/2008 | CA2666331A1 Wastewater treatment |
| 04/23/2008 | EP1914205A1 Method for the fermentation of high calorific and nutrient rich substances |
| 04/23/2008 | EP1914204A1 Plastic container and manufacturing method therefor |
| 04/23/2008 | EP1913809A2 Method of sequestering carbon dioxide |
| 04/23/2008 | EP1913021A2 Polypeptides having an activity in the mtbe degradation path and uses thereof |
| 04/23/2008 | EP1912905A1 Biosorption system produced from biofilms supported on faujasite (fau) zeolite, process obtaining it and its usage for removal of hexavalent chromium (cr (vi)) |
| 04/23/2008 | EP1912904A1 Method and plant for the treatment of an aqueous waste stream |
| 04/23/2008 | EP1912903A2 Installation for the nitrification of waste water |
| 04/23/2008 | CN201049914Y Rigid pipe vertical suspension aeration system |
| 04/23/2008 | CN201049913Y Pipe-type aerator |
| 04/23/2008 | CN201049911Y Screw-type self-circulation biological reactor |
| 04/23/2008 | CN201049910Y Rotary multi-section anaerobic bioreactor |
| 04/23/2008 | CN201049909Y Air-lift type self-circulating anaerobic bioreactor |
| 04/23/2008 | CN201049908Y Water distribution device for anaerobic reactor |
| 04/23/2008 | CN201049907Y Biochemical ball |
| 04/23/2008 | CN201049906Y Rotary water decanting equipment |
| 04/23/2008 | CN201049905Y Upstream biological filter |
| 04/23/2008 | CN201049904Y Landscape water ecological purifying processing unit by using composite medium |
| 04/23/2008 | CN201048512Y River, ditch lotus and fish pond, water-storing dam fish-cultivating and lotus-root-planting protecting device |
| 04/23/2008 | CN101166695A Device for treating fluids, especially waste water, comprising a stack of disks |
| 04/23/2008 | CN101165167A Microbial inoculum for repairing amino benzenes polluted water and its preparation method and using method |
| 04/23/2008 | CN101164924A Countryside sewage treatment equipment and application |
| 04/23/2008 | CN101164923A Integrated printing and dyeing waste water treatment process |
| 04/23/2008 | CN101164922A Oil-containing sewage treatment system |
| 04/23/2008 | CN101164917A Water body static oxygen increasing and purifying device |
| 04/23/2008 | CN101164916A Method for treating eutrophication water body by hydrophyte |
| 04/23/2008 | CN101164915A Diphase integrated multi-gradation internal circulation anaerobic bioreactor |
| 04/23/2008 | CN100383243C Trace element-containing carrier for growing microorganism |
| 04/23/2008 | CN100383061C Aeration air-flow control device for sewage treatment plant |