| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/27/2008 | CN101130447A Method for optimizing controlling denitrification and phosphorus release in double precipitation pool by A*/O technique |
| 02/27/2008 | CN101130194A Method for comprehensive processing garbage of food and recycling to use |
| 02/27/2008 | CN100371270C Combined treatment process for manioc producing effluent |
| 02/27/2008 | CN100371269C Method and installation for treating domestic sewage by using artificial wetland |
| 02/27/2008 | CN100371266C Method for processing city waste water and industrial organic waste water |
| 02/27/2008 | CN100371265C Biologic water purification tank |
| 02/27/2008 | CN100371264C Low-power membrane bioreactor |
| 02/26/2008 | US7335310 Adding coagulant; solid-liquid separation; decomposing dibenzodioxin-, dibenzofuran-, benzene-, alkane-, alkene-, phenol-, and/or or alkylphenol halides; polychlorinated biphenyls, phthalic esters, bisphenols, and/or polycyclic aromatic hydrocarbons with peroxide other than hydrogen peroxide |
| 02/26/2008 | US7335305 Sequential batch reactor and wastewater treatment process |
| 02/26/2008 | US7335304 injecting ozone gas into an aeration tank which contains the effluent, then contacting with microorganisms; water treatment |
| 02/26/2008 | US7335303 Biodegrading said wastewater without any prior pH adjustment by alkalophilic/alkaline-tolerant microbes |
| 02/26/2008 | US7335298 Modular aquarium filter |
| 02/21/2008 | WO2008021558A2 Biomass treatment of organic waste or water waste |
| 02/21/2008 | WO2008020818A1 Granular microbial formulation capable of self aggregation used in the treatment of wastewater. |
| 02/21/2008 | WO2008019993A1 Method for removing sulphate and heavy metals from waste water |
| 02/21/2008 | WO2007136970A3 Method and apparatus for enhancing aquatic environments |
| 02/21/2008 | WO2007048537A8 Process and reactor for anaerobic treatment of wastewater by means of a uasb |
| 02/21/2008 | WO2007018642A8 Undersea well product transport |
| 02/21/2008 | US20080041786 Methods and apparatus for the removal of organic matter and related degradation products from water |
| 02/21/2008 | US20080041785 Systems and methods for wastewater odor control |
| 02/21/2008 | US20080041784 aerobic waste processing; anaerobically converting nitrate and nitrite to nitrogen gas, reducing the phosphorus content; water purification in a leaching and septic systems; usng a carbon source and microbes |
| 02/21/2008 | US20080041783 Process to Improve The Efficiency of a Membrane Filter Activated Sludge System |
| 02/21/2008 | US20080041776 Downwash prcoess bioremediation system |
| 02/21/2008 | DE202007016942U1 Kläranlage Sewage plant |
| 02/21/2008 | DE202006015836U1 Biologische Klärvorrichtung Biological clarifier |
| 02/21/2008 | DE202006015834U1 Saugvorrichtung Suction device |
| 02/21/2008 | DE102006038207A1 Verfahren zur Entfernung von Sulfat und Schwermetallen aus Abwasser A process for the removal of sulphate and heavy metals from waste water |
| 02/21/2008 | CA2660791A1 Method for removing sulfate and heavy metals from waste water |
| 02/21/2008 | CA2655201A1 Biomass treatment of organic waste or water waste |
| 02/21/2008 | CA2598215A1 Liquid level measurement device and installation incorporating the same |
| 02/20/2008 | EP1889815A1 Method of biological treatment of farm effluent and device for implementing this method |
| 02/20/2008 | EP1888472A2 Method and installation for treating community effluents |
| 02/20/2008 | EP1888471A1 Anaerobic purification device |
| 02/20/2008 | EP1888470A1 A sewage treatment and recirculation unit |
| 02/20/2008 | EP1888469A2 Method and apparatus for controlling sulfide generation |
| 02/20/2008 | EP1613739B1 Process for colour reduction of pulp & paper effluent |
| 02/20/2008 | EP1490304B1 Circular installation for the biological treatment of wastewater. |
| 02/20/2008 | CN201024129Y Waste water zero discharge quick highly-effective automatic-clarification treatment field, device |
| 02/20/2008 | CN201024128Y Phosphorus-accumulating bacteria reinforced type improved CASS biological polluted water treatment device |
| 02/20/2008 | CN201024125Y Nitrosation-anaerobic ammonium oxidation coupled synergistic biological denitrification device |
| 02/20/2008 | CN201024124Y Highly effective anaerobic bioreactor |
| 02/20/2008 | CN201024123Y Slurry separator for anaerobic reactor |
| 02/20/2008 | CN201024122Y Aeration pool for sewage biochemical processing |
| 02/20/2008 | CN201024121Y Light biological filter |
| 02/20/2008 | CN201024120Y Integral highly-effective bioreactor |
| 02/20/2008 | CN201024119Y Filtering head of filter plate |
| 02/20/2008 | CN201024118Y Diaphragm hole |
| 02/20/2008 | CN101128480A Gram positive bacterial cells comprising a disrupted flagellin gene, flagellin-based fusion proteins and use in removal of metal ions from a liquid |
| 02/20/2008 | CN101128398A Water treatment system |
| 02/20/2008 | CN101128252A A spacer for membrane modules, a membrane module and uses thereof |
| 02/20/2008 | CN101128251A Permeate spacer module |
| 02/20/2008 | CN101125725A Technique for treating fertilizer waste water |
| 02/20/2008 | CN101125724A Innocuous treatment method for mature landfill leachate |
| 02/20/2008 | CN101125723A Low-temperature sewage treatment method |
| 02/20/2008 | CN101125721A Technique for reusing sewage |
| 02/20/2008 | CN101125720A Synthetic treating process for pulp waste water |
| 02/20/2008 | CN101125712A Method for treating lake blue algae by composite microorganism |
| 02/20/2008 | CN101125711A Method for treating eutrophication water body by herbaceous plant waterborne planting |
| 02/20/2008 | CN101125710A Adjustable self-flowing diffluence type ring-shape oxidization trench |
| 02/20/2008 | CN101125709A Reverse umbrella shape impeller |
| 02/20/2008 | CN101125708A Inclined micro-pore aeration flexible pipe |
| 02/20/2008 | CN101125707A Vacuum self-control type membrane biological reactor |
| 02/20/2008 | CN101125706A Sewage biochemical treatment equipment |
| 02/20/2008 | CN101125705A Biological treatment technique for eutrophication water body |
| 02/20/2008 | CN101125338A Method for treating soil or water cadmium pollution |
| 02/20/2008 | CN100369836C Synchronous denitrogen dephosphorus technology of city sewagte |
| 02/20/2008 | CN100369835C Treatment process for making sewage as recirculating cooling water |
| 02/20/2008 | CN100369834C Sewage treatment facility integrative anaerobic baffle-aerobic-adsorptive regeneration |
| 02/20/2008 | CN100369832C Municipal sewage composite artificial wet land denitrifying and dephosphorizing method |
| 02/20/2008 | CN100369831C Biological activity reactor system and wastewater treating method |
| 02/20/2008 | CN100369830C Waste water treating process of circulation sequence batched active sludge and its active sludge reactor |
| 02/20/2008 | CN100369829C Internal circulation dynamic membrane bioreactor |
| 02/19/2008 | US7332325 Biological method for removing organic polymers |
| 02/19/2008 | US7332084 multistage activated sludge process involving a predation effect caused by microorganisms realizes further improvement in treatment efficiency and further decrease in the amount of excess sludge generated while a stable quality of the treated water is maintained; aerobic and anaerobic treatment |
| 02/19/2008 | US7332083 made especially as a loop reactor with a central guide pipe, and gas injection; treated suspension be removed from a zone of the bioreactor with a small solid concentration and the removed suspension be routed out of the bioreactor by way of a tilted discharge |
| 02/19/2008 | US7332082 System and method for biological purification of water |
| 02/19/2008 | US7332080 Apparatus for salt free water softening |
| 02/19/2008 | US7332078 Apparatus for recovering energy from turbulence created within an aerobic biological reactor |
| 02/19/2008 | US7332077 Methods for biological treatment of waste waters |
| 02/19/2008 | US7332074 Water circulation systems for ponds, lakes, and other bodies of water |
| 02/14/2008 | WO2008018486A1 Method and apparatus for biological treatment of organic wastewater |
| 02/14/2008 | WO2008018077A2 A method and apparatus for simultaneous clarification and endogenous post denitrification |
| 02/14/2008 | WO2007147056A3 Bioremediation blanket and method of use |
| 02/14/2008 | WO2007146658A3 System and methods for biological selenium removal from water |
| 02/14/2008 | WO2007130408A3 System and method for gas treatment comprising biological and chemic oxidation scrubbing stages |
| 02/14/2008 | US20080038554 Media |
| 02/14/2008 | US20080035563 Immersed-Membrane Water Treating Filtering Device Comprising Means Preventing Filterable Medium Backflowing to Filter Cleaning Gas Injecting Means |
| 02/14/2008 | DE10360465B4 Bakterienträgermaterial Bacteria carrier material |
| 02/14/2008 | DE102007046188A1 Composition, useful as external carbon source in the biological denitrification of waste water, comprises glycerin and molasses and additives e.g. perfumes, surfactants, preservatives or emulsifying agent |
| 02/14/2008 | DE102006037223A1 Verfahren und Vorrichtung zur Behandlung von so genannten Food-Waste-Reject-haltigen Abwässern sowie eine Verwendung Method and apparatus for the treatment of so-called food-waste-Reject containing effluents and use |
| 02/13/2008 | EP1887078A1 Bacteria inoculation system with earthworm humus, used as a treatment of contaminated water (inoculom) |
| 02/13/2008 | EP1885656A1 A method for improving flux in a membrane bioreactor |
| 02/13/2008 | EP1503848B1 Hollow-fibre membrane filtration device and use thereof for purifying waste water and membrane bioreactor |
| 02/13/2008 | CN201021444Y Efficient compound sewage cleaning and recycling device |
| 02/13/2008 | CN201021443Y A mane biological film reaction bed |
| 02/13/2008 | CN201021442Y Biological reaction device for water ejection loop film |
| 02/13/2008 | CN201021441Y Film oxygen charging device |
| 02/13/2008 | CN201021440Y A liquid film oxygen charging component |
| 02/13/2008 | CN101124171A Biotechnological process for neutralizing alkaline beverage industrial waste water |
| 02/13/2008 | CN101121570A Method and device for treating domestic sewage by earthworm strengthened artificial wet land |