| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/21/2008 | CN101182077A Worm biological filter tank device for industrial wastewater treatment |
| 05/21/2008 | CN101182076A Method for treating industrial wastewater by employing worm biological filter tank |
| 05/21/2008 | CN101182075A Biological filter dephosphorizing technique employing alternative aeration |
| 05/21/2008 | CN101182074A Real-time controlling method for denitrification by reinforced circulating type active sludge process |
| 05/21/2008 | CN101182073A High-load biological filter tank sewage water treating method capable of backwashing |
| 05/21/2008 | CN101182072A Method for sludge decrement by using endogenous denitrification denitrification dephosphorization and reaction system |
| 05/21/2008 | CN101182071A Aerator |
| 05/21/2008 | CN101182070A Biological-ecological composite sewage water treatment tank |
| 05/21/2008 | CN101182069A Oxidation ditch intelligent control system based on change of water entry |
| 05/21/2008 | CN101182068A High-loading logical filter capable of backwashing |
| 05/21/2008 | CN101182067A Main ditch surrounding functional pool type integral combined building oxidation ditch |
| 05/21/2008 | CN101182066A Photo-biological reactor for treatment of high-chroma waste water |
| 05/21/2008 | CN100389081C Process for decyanadating water used to wash ammonia and naphthalene in pretreatment of coking by iron salt method |
| 05/21/2008 | CN100389079C Bionic aquatic weed and its intensified purification method for water quality |
| 05/20/2008 | US7374683 Biofilter and method for filtering a waste liquid |
| 05/20/2008 | US7374682 Method and apparatus for the methane fermentation treatment of wastewater containing sulfur compound |
| 05/20/2008 | US7374681 adding yeast comprising Rhodotorula to water, in a quantity that is sufficient to grow and thereby reduce the oxygen level in the water, to a growth inhibitory or lethal level for microorganisms such as algae or molluscs |
| 05/20/2008 | US7374675 Mixer for use in wastewater treatment processes |
| 05/20/2008 | US7374670 High aspect ratio wastewater system |
| 05/20/2008 | US7374059 Covering systems and venting methods |
| 05/20/2008 | CA2211721C Device and process for thickening and conveying waste water sludges |
| 05/15/2008 | WO2008057784A2 Upflow bioreactor having a septum and an auger and drive assembly |
| 05/15/2008 | WO2008057416A1 Low oxygen biologically mediated nutrient removal |
| 05/15/2008 | WO2008056115A2 Filter elements for biological filtration arrangements |
| 05/15/2008 | WO2008055388A1 Method for the treatment of waste water from florfenicol production |
| 05/15/2008 | WO2008002448A3 Method of enhancing methane production from organic material |
| 05/15/2008 | US20080112820 Water circulation systems for ponds, lakes, and other bodies of water |
| 05/15/2008 | US20080110828 Integrated Multi-Zone Wastewater Treatment System And Method |
| 05/15/2008 | US20080110827 Supported biofilm apparatus and process |
| 05/15/2008 | US20080110826 Use of Rhizomucor pusillus (Lindt) schipper in methods for treating industrial wastewaters containing dyes |
| 05/15/2008 | US20080110825 remarkably reduces the generated amount of sludge at a much lower running cost; reduces size and capacity of the solubilization tank; solubilizing sludge after alkali treatment under anaerobic, anoxic or microaerophilic conditions; recycling solubilized sludge to the biodegradation system |
| 05/15/2008 | US20080110824 the fungal biomass absorbs the dye; good biosorption yields; dyeing or tanning industries (This is almost identical to 20080110823 and indexing was copied from this.) (note: claims are incorrrect since they are for a "system for storing golf balls on a waist of a wearer") |
| 05/15/2008 | US20080110823 the fungal biomass absorbs the dye; good biosorption yields; dyeing or tanning industries |
| 05/15/2008 | DE102006053195A1 Bioreactor with benthic cover for filtering and cleaning fresh and salt water, comprises mussels, plates arranged in the bioreactor and a mechanism for preventing the delivery of mussels brood in the treated and/or following waters |
| 05/15/2008 | DE102006006166B4 Verfahren und Anlage zur Behandlung von Schlämmen Method and apparatus for treatment of sludge |
| 05/14/2008 | EP1921045A1 Use of Cunninghamella elegans Lendner in methods for treating industrial wastewaters containing dyes |
| 05/14/2008 | EP1919833A1 Waste water purifying device |
| 05/14/2008 | EP1877344A4 Biofilter units and water treatment facilities with using the same biofilter units |
| 05/14/2008 | CN201058831Y Suspension type microporous aeration pipe and aeration pipe connection thereof |
| 05/14/2008 | CN201058830Y Inverted umbrella surface aerator |
| 05/14/2008 | CN201058829Y Highly effective sewage treatment gas-mixing apparatus |
| 05/14/2008 | CN201058827Y Highly effective anaerobic ammonia oxidation reactor |
| 05/14/2008 | CN201058826Y Siphon type water decanter |
| 05/14/2008 | CN201058825Y Aerator |
| 05/14/2008 | CN201058824Y Sewage treating plant with high integration and purification functions |
| 05/14/2008 | CN101180241A Method and apparatus for dispersing oils and fats in oils- and fats-containing wastewater |
| 05/14/2008 | CN101177322A Method for treating water eutrophication and blue algae bloom through glucose enhancement microbiological process |
| 05/14/2008 | CN101177321A Method for processing sewage in non-clogging highly effective vertical subsurface flow wetland |
| 05/14/2008 | CN101177320A Method for self-purifying landscape water by using biological membrane |
| 05/14/2008 | CN101177319A Energy source self-help river water contamination treating apparatus |
| 05/14/2008 | CN101177318A Unit type high-strength elastic packing smell-less biological turnplate |
| 05/14/2008 | CN101177317A Enhanced compounded mix multi-stage alternate wetland sewage treating process and apparatus thereof |
| 05/14/2008 | CN101177313A Method for processing phenol waste-water by using biological membrane electrode technology |
| 05/14/2008 | CN100387529C Method of treating organic waste water and organic sludge and treatment equipment therefor |
| 05/13/2008 | US7371560 Chlamydomonas with mutation of Moc1 gene which eliminates activity of mitochondrial transcription factor; oxidative phosphorylation using hydrogenase |
| 05/13/2008 | US7371556 Caldothrix species for use in degradation of organic waste; bioremediation and composting |
| 05/13/2008 | US7371323 Segregating black wastewater from gray wastewater with separate plumbing and treatment systems, storing the black wastewater, separating solids from it, and evaporating the liquid portion; reduced total amount of nitrogen and phosphorous compounds released into the environment |
| 05/13/2008 | CA2466473C Integrated hydroponic and fixed-film wastewater treatment systems and associated methods |
| 05/13/2008 | CA2226729C Detection and biodegradation of explosives |
| 05/08/2008 | WO2007036229A8 A multi-phase process and plant for treatment of wastewater |
| 05/08/2008 | US20080105615 scrape off deposits from membrane surface using the particles which the surface has been hydrophilized with water; antibacterial metal is silver or copper; non-porous polyurethane particles coated with hydrophilic polyoxyethylene glycol |
| 05/08/2008 | US20080105614 Contacting of the biosolids and dissolved ozone in a plug flow reactor, in which the primary contact and reaction of the oxidant (dissolved ozone) and the biosolids occurs; improved treatment of activated sludge; sewage treatment |
| 05/08/2008 | CA2657804A1 Energy production with hyperthermophilic organisms |
| 05/07/2008 | EP1918255A1 Method of feeding microbial activity controlling substance, apparatus therefor, and making use of the same, method of environmental cleanup and bioreactor |
| 05/07/2008 | EP1918254A1 Trickling filter device |
| 05/07/2008 | EP1918253A1 Filtration method for use in the treatment of wastewater with activated sludge |
| 05/07/2008 | CN201056529Y Chemical coagulation film reactor equipment in tableland railway middle and small station area |
| 05/07/2008 | CN201056523Y Grain slag filling material surface flow artificial wet land |
| 05/07/2008 | CN201056522Y Undercurrent and drift current integrated artificial wet land |
| 05/07/2008 | CN201056521Y Novel quasi good oxygen |
| 05/07/2008 | CN201056520Y Landscape type water permeation floating water body in-situ purifying biological vessel |
| 05/07/2008 | CN201056519Y Three-phase separator of upflow type anaerobic reactor |
| 05/07/2008 | CN201056518Y Three-phase separator of upflow type anaerobic reactor |
| 05/07/2008 | CN201056517Y Multi-layer dynamic film waste water purifying device |
| 05/07/2008 | CN201056516Y Active sludge filter |
| 05/07/2008 | CN201056515Y Anti-obstruction ribbon type water purification material |
| 05/07/2008 | CN201056514Y Ring-shaped solid suspending type water purification material |
| 05/07/2008 | CN201056513Y Fixed fluidization biomembrane bed |
| 05/07/2008 | CN201056512Y Film component integrated oxidation ditch |
| 05/07/2008 | CN201056511Y Integrated aeration type film component |
| 05/07/2008 | CN201054914Y Replaceable water-culturing cup used for artificial plant floating bed |
| 05/07/2008 | CN101175700A Method for biological disposal of organic wastewaer and biological disposal apparatus |
| 05/07/2008 | CN101175699A An apparatus for treating small river water |
| 05/07/2008 | CN101173216A Fusarium solani P-1 mycopremna and use in degradation of polychlorinated biphenyl thereof |
| 05/07/2008 | CN101173211A Composite type microecology preparation |
| 05/07/2008 | CN101172744A Process method for dimethyl ether production wastewater recycled for cooling water |
| 05/07/2008 | CN101172743A Combination technique for processing and recycling high-cyanogen high-ammonia high-salt organic waste water |
| 05/07/2008 | CN101172742A Method for reducing Fe(III)EDTA in solution and uses thereof |
| 05/07/2008 | CN101172740A Sanitary sewage photocatalysis and multi- medium advanced treatment system for single family in countryside |
| 05/07/2008 | CN101172739A Alkaline residue processing method |
| 05/07/2008 | CN101172738A Innocent treatment method for oil-containing sewage sludge |
| 05/07/2008 | CN101172737A Integrated high concentration difficult degradable sewage processor |
| 05/07/2008 | CN101172736A Intermittent aerating biological filter seprobia dephosphorization technique |
| 05/07/2008 | CN101172735A Method for advanced treatment of ammonia nitrogen sewage |
| 05/07/2008 | CN101172734A Eutrophic water process technique |
| 05/07/2008 | CN101172733A High algae-laden water treatment technology |
| 05/07/2008 | CN101172732A Method for renovating groundwater in situ with chemical and biological composite reaction wall |
| 05/07/2008 | CN101172717A Water treatment plants fixer |
| 05/07/2008 | CN101172716A Ecological control method for auriculana |
| 05/07/2008 | CN101172715A Method for removing settled organism on surface of submerged plant by using grazer |