| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 06/10/2009 | CN100497208C Preparation of antidotal bacterium and method for rehabilitation of aquaculture environment |
| 06/10/2009 | CN100497207C Backwash, aeration type undercurrent wetland water body purification apparatus and water body purification method |
| 06/10/2009 | CN100497206C Modular air-floating type artificial mattress for processing polluted water, its manufacture method and purification method |
| 06/10/2009 | CN100497205C Artificial wet land system for sewage treatment |
| 06/10/2009 | CN100497204C Reverse umbrella shape impeller |
| 06/10/2009 | CN100497203C Inclined micro-pore aeration flexible pipe |
| 06/10/2009 | CN100497202C Hollow tooth-shape fluidized filling |
| 06/10/2009 | CN100497201C Aeration device for polluted water purification processing and water scene, and its production method and usage method |
| 06/10/2009 | CN100497200C Chub, grass carp, cladophora and Daphnia hyaline cooperated algae control method |
| 06/10/2009 | CN100497199C Silver carp and cladophora united algae control method |
| 06/10/2009 | CN100497198C Grass carp, cladophora and daphnia hyaline multi-organism cooperated algae control method |
| 06/10/2009 | CN100497197C Multiple-component filler matrix undercurrent wet land purifying and processing apparatus and undercurrent wet land purifying method |
| 06/10/2009 | CN100497196C Alga-bacterium symbiosis fluid bed treatment system for high concentrated organic wastewater |
| 06/10/2009 | CN100497195C Multi-medium filtering biological denitrification process and apparatus thereof |
| 06/10/2009 | CN100496298C Process for producing liquid formulation containing raw yeast and liquid formulation |
| 06/09/2009 | US7544501 Bacterial strain that oxidizes nitrite to nitrate for use in removing nitrogenous waste from freshwater, seawater and aqua-cultures |
| 06/09/2009 | US7544299 Biological nutrient removal process and process control for same |
| 06/09/2009 | US7544298 Apparatus and method for dispensing decomposing bacteria into a waste stream |
| 06/09/2009 | US7544287 Reciprocating biological contactor and method of use |
| 06/09/2009 | US7544286 Method and apparatus for enhancing aquatic environments |
| 06/06/2009 | CA2645709A1 Heating system and method for prevention of underground tank freeze-ups |
| 06/05/2009 | CA2627987A1 Water treatment contact filter and water treatment apparatus |
| 06/04/2009 | WO2009070581A1 Anti-microbial matrix and filtration systems |
| 06/04/2009 | WO2009069156A1 Underwater structure for biopurification of waters |
| 06/04/2009 | WO2009068995A2 Process for the treatment of wastes combining a phase of treatment by methanization and a phase of thermophilic aerobic treatment |
| 06/04/2009 | WO2009068875A1 Treatment of eukaryotic cellular biomass |
| 06/04/2009 | WO2009068845A1 Anaerobic digestion process and apparatus |
| 06/04/2009 | WO2009068684A1 Underground in situ bioremediation using site-specific microorganisms |
| 06/04/2009 | WO2009003603A4 Apparatus and method for the purification of grey water |
| 06/04/2009 | WO2003009919A3 Method and apparatus for preparing pure water |
| 06/04/2009 | US20090139928 Method And Apparatus For Biologically Processing Fluid |
| 06/04/2009 | US20090139927 Super-enhanced, adjustably buoyant floating island |
| 06/04/2009 | DE102007058177A1 Method and device for optimizing small clarification plant by preventing/reducing discharge of mud particles in the plant with sequencing batch reactor process, and/or other technical plant by a simple device, consist of a mammoth pump |
| 06/04/2009 | CA2707130A1 Treatment of eukaryotic cellular biomass |
| 06/04/2009 | CA2706431A1 Process for the treatment of wastes combining a phase of treatment by methanization and a phase of thermophilic aerobic treatment |
| 06/03/2009 | EP2065344A1 Settling device, purifier containing the settling device and method for anaerobic or aerobic water purification |
| 06/03/2009 | EP2065343A1 Method of wastewater disposal |
| 06/03/2009 | CN201250148Y Adjustable ramjet jet aerator |
| 06/03/2009 | CN201250147Y Aeration system and self-sinking form microporous rubber aeration tube |
| 06/03/2009 | CN201250146Y Moving bed bioreactor used for dyeing waste water treatment |
| 06/03/2009 | CN201250145Y Aerator |
| 06/03/2009 | CN201250144Y Membrane unit with gas channel |
| 06/03/2009 | CN201250143Y Biological filter with movable filler |
| 06/03/2009 | CN201250142Y Suspended-type multistream micropore aerator |
| 06/03/2009 | CN201250141Y Internal circulation biological fluidized-bed reactor using microcapsule carrier |
| 06/03/2009 | CN201250140Y Stereoscopic fabric packing device |
| 06/03/2009 | CN201250139Y Biological purification drinking water facility |
| 06/03/2009 | CN101445301A Manufacture method for degradable artificial floating island |
| 06/03/2009 | CN101445300A Eutrophic water low-energy consumption mobility bed-constructed wetland combined treatment method |
| 06/03/2009 | CN101445299A Method for purifying domestic sewage by using biological membrane band aerator pipe plant filtering frame wetland |
| 06/03/2009 | CN101445298A Improved UCT sewage disposal system and method for treating same |
| 06/03/2009 | CN101445297A Method for deeply treating papermaking wastewater |
| 06/03/2009 | CN101445296A Apparatus for biologically treating livestock and poultry waster water |
| 06/03/2009 | CN101445295A Biological-activity monitoring device for monitoring abnormal operation of sewage disposal system and monitoring method thereof |
| 06/03/2009 | CN101445294A A marsh gas preparation method of landfill leachate resources |
| 06/03/2009 | CN101445293A Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment |
| 06/03/2009 | CN100494094C Treatment method for radical curing of black liquor of straw pulp from alkaline process |
| 06/03/2009 | CN100494093C Nourishing water conditioning agent for aquiculture |
| 06/03/2009 | CN100494092C Sewage treatment process and apparatus integrating dissolved cell, reinforced denitrifying and dephosphorization |
| 06/03/2009 | CN100494091C Method for restoring mine environment |
| 06/03/2009 | CN100494090C Outside loop type contact deflector anaerobic reactor, and working method |
| 06/03/2009 | CN100494089C Composite type polluted water pretreatment apparatus for hydrolysis and acidification |
| 06/03/2009 | CN100494088C Biological reactor of internal circulating and double filtering |
| 06/02/2009 | US7540965 Removing DOC (dissolved organic carbon) from a concentrated salt solution containing DOC by contacting the salt solution with a coagulant/flocculant such that the DOC becomes insoluble and removing the insoluble DOC from the salt solution; water treatment |
| 06/02/2009 | US7540961 Methods for manufacturing hydrogen using anaerobic digestion |
| 06/02/2009 | US7540960 Applicable to domestic sewer, industrial, slaughterhouse and dairy waste waters; low cost; produces natural fertilizer material |
| 06/02/2009 | US7540959 Process and equipment for treating ammonium containing liquid |
| 06/02/2009 | CA2543701C Hollow fiber membrane module, hollow fiber membrane module unit, and water treatment method |
| 06/02/2009 | CA2416607C Improved growing and conditioning system for bioaugmentation products used for the treatment of waste water and water quality improvement |
| 05/28/2009 | WO2009065509A1 Method and device for treating sludge |
| 05/28/2009 | WO2009065402A1 Compact lift arrangement |
| 05/28/2009 | WO2009065203A2 Effluents treatment natural system |
| 05/28/2009 | US20090134092 Membrane filtration device and process |
| 05/28/2009 | US20090134091 Method for removing undesirable components from water while containing, cultivating, and harvesting photosynthetic marine microorganisms within water |
| 05/28/2009 | DE102007056996A1 Verfahren und Vorrichtung zur Behandlung von Abwasser mit hohem Stickstoff- und niedrigem BSB5Anteil, insbesondere von Deponiewasser Method and apparatus for treating wastewater with high nitrogen and low BSB5Anteil, in particular of water landfill |
| 05/27/2009 | EP2062661A1 Organic de-icer removal |
| 05/27/2009 | EP2062637A2 Device for scrubbing polluted gases and the method of scrubbing polluted gases combined with biological treatment in the closed cycle of scrubbing water |
| 05/27/2009 | CN201245531Y Scale hogpen integrated sewage treatment equipment |
| 05/27/2009 | CN201245530Y Multi-stage refluxing load control biological process equipment |
| 05/27/2009 | CN201245529Y Water landscape water modification zeolite bio-filter processing system in district |
| 05/27/2009 | CN201245528Y Small water quantity water supply water treatment apparatus |
| 05/27/2009 | CN201245517Y Double-floater soft connected underwater aeration machine installation apparatus |
| 05/27/2009 | CN201245515Y M tower type microporous tube aeration apparatus |
| 05/27/2009 | CN201245514Y Adjustable partial pressure joint V-shaped strip type microporous tube length malposition aeration apparatus |
| 05/27/2009 | CN201245513Y Unequal diameter gas transmission main pipe type microporous tube length malposition aeration apparatus |
| 05/27/2009 | CN201245512Y Bioreactor for landscape water treatment |
| 05/27/2009 | CN201245511Y Multifunctional water quality purification floating plate and group structure thereof |
| 05/27/2009 | CN201245510Y Natural energy water control ecological bed |
| 05/27/2009 | CN201245509Y 分体式污泥回收系统 Split sludge recycling system |
| 05/27/2009 | CN201245508Y Sewage treatment bacterial sludge separator |
| 05/27/2009 | CN201245507Y Sludge recovery system for water treatment |
| 05/27/2009 | CN201245506Y Combined type biological treatment apparatus for sewerage |
| 05/27/2009 | CN201245505Y Buried unpowered sewage purifier |
| 05/27/2009 | CN201245504Y Prepositive anoxic bio-aeration filter apparatus |
| 05/27/2009 | CN201245503Y Multi-cycle efficient anaerobic waste water treating device |
| 05/27/2009 | CN201245502Y Efficient aeration oxygen increasing machine |
| 05/27/2009 | CN201245501Y Rotary aeration disc with water level indicator |
| 05/27/2009 | CN201245500Y Phi 1500 socket wedge shaped plug flow rotary aeration disc |
| 05/27/2009 | CN201245499Y 搅拌型悬挂链式曝气器 Stirred suspension chain aerator |
| 05/27/2009 | CN201245498Y Screw drive rotary type uniform speed draining device |