| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/26/2007 | CN200995978Y Biological purifier of cultured water-body circulation integrating |
| 12/26/2007 | CN101094959A Wastewater treatment |
| 12/26/2007 | CN101094814A Apparatus for the aerobic biological purification of wastewater |
| 12/26/2007 | CN101094735A Method for decomposing biogenic material |
| 12/26/2007 | CN101092486A Method for preparing plastic biologic packing material of even adulterated powder |
| 12/26/2007 | CN101092273A Method and system for treating waste water from aqueous printing ink, starch and household wastewater |
| 12/26/2007 | CN101092270A Biological reactor of polygonal line flowing film |
| 12/26/2007 | CN101092269A Method for processing organic wastewater |
| 12/26/2007 | CN101092268A Biological fluidized bed reactor for raising mixed gas and liquid |
| 12/26/2007 | CN101092267A Solar powered biochemical cruise boat in use for cleaning river water |
| 12/26/2007 | CN101091885A V cone type coupling seat of absorbing shock utilized in agitating plug flow equipment |
| 12/26/2007 | CN100357201C Artificial leather effluent treating process |
| 12/26/2007 | CN100357198C Water distribution method for earthworm biofilter |
| 12/26/2007 | CN100357197C Integral membrane biological reaction device for water treatment |
| 12/26/2007 | CN100357196C Process for nitrating synchronous phosphorus removing denitrogen of composite type active mud oxygen-dificient poly-phosphorus biological film |
| 12/26/2007 | CN100357195C Automatic controlling method and controller for treating urban waste water by suspending filler bed |
| 12/26/2007 | CN100357194C Single-stage inner circulating aerating biological filtering tank |
| 12/25/2007 | US7311843 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 12/25/2007 | US7311839 Removal of biological pathogens using surfactant-modified zeolite |
| 12/25/2007 | US7311835 Contacting an oxygen carrier of dimethylsiloxane, ethylene oxide and propylene oxide copolymer with an oxygen containing gas |
| 12/25/2007 | US7311834 Apparatus for the treatment of particulate biodegradable organic waste |
| 12/25/2007 | US7311833 Inclined plate coupled membrane bioreactor; an anoxic bioreactor, an aerobic bioreactor, an array of inclined plates, a weir system, membranes submerged into aerobic sludge; aerobic sludge is recycled to the lower compartment of anoxic bioreactor, the supernatant of is collected as weir effluent |
| 12/21/2007 | WO2007146658A2 System and methods for biological selenium removal from water |
| 12/20/2007 | US20070290380 Device for Injecting Gas Into a Liquid |
| 12/20/2007 | US20070289923 Treating formaldehyde-containing waste liquid formed as byproduct in plant for production of hydrocarbons or oxygen-containing compounds by subjecting formaldehyde liquid to chemical treatment and treating resulting waste liquid, with aeration, using bioreactor composed of microorganism and membrane |
| 12/20/2007 | US20070289922 Modular wastewater treatment system |
| 12/20/2007 | US20070289921 Apparatus And Method For Treating Wastewater |
| 12/20/2007 | US20070289912 Circular clarifier apparatus and method |
| 12/20/2007 | US20070289910 Method and system for removal of contaminants from aqueous solution |
| 12/20/2007 | US20070289909 Method of reducing volume of sludge and apparatus therefor |
| 12/19/2007 | EP1866255A2 Method and system for utilizing activated sludge in a ballasted flocculation process to remove bod and suspended solids |
| 12/19/2007 | CN200992511Y Constant water level sequential activated sludge process sewage treating system |
| 12/19/2007 | CN200992510Y Roly-poly neuston in-situ purifying bed |
| 12/19/2007 | CN200992509Y Water treatment bamboo filler and its arrangement structure |
| 12/19/2007 | CN200992508Y Micro-circulating compound slow-release aeprator |
| 12/19/2007 | CN200992507Y Spray-type semi-aerobic bio-film filtering bed |
| 12/19/2007 | CN200992506Y Liftable hanging-arm aerating apparatus |
| 12/19/2007 | CN200992505Y Tubular polymer microcellular aerating head |
| 12/19/2007 | CN200992494Y Reactor structure |
| 12/19/2007 | CN101090872A Biological neutralization of highly alkaline textile industrial wastewater |
| 12/19/2007 | CN101090871A Method and apparatus for waste water treatment |
| 12/19/2007 | CN101089173A Hydrogen producing process and apparatus with pig excrement and sewage and photosynthetic bacterium |
| 12/19/2007 | CN101088941A Technological process of treating papermaking effluent for reuse based on membrane integrating technique |
| 12/19/2007 | CN101088939A Process of treating acetic acid producing effluent and papermaking waste water comprehensively |
| 12/19/2007 | CN101088932A Biological city sewage treating process |
| 12/19/2007 | CN101088931A Biological sewage-treating process |
| 12/19/2007 | CN101088930A Combined aeration and deposition tank |
| 12/19/2007 | CN101088929A Pipeline network, sewage works and river integrating water treatment and control experiment system |
| 12/19/2007 | CN101088928A Microbial apparatus for treating high concentration waste chromium solution |
| 12/19/2007 | CN100355878C Alkane-degrading functional bacteria, its cultivation method and application |
| 12/19/2007 | CN100355875C Microbe bacteria agent for treatment of refinery waste water, its preparation method and application |
| 12/19/2007 | CN100355678C Method and facility for treatment of sludge derived from biological water purification facilities |
| 12/19/2007 | CN100355675C Method for treating phenol-contained waste water by anaerobic-aerobic coupled biological fluidizing bed |
| 12/19/2007 | CN100355674C Waste activated sludge anaerobic contact waste stream treatment process |
| 12/19/2007 | CN100355673C Method for purifying coke waste water using a gas-permeable membrane. |
| 12/19/2007 | CN100355672C Biological grid water body reinforcement purification and purifier |
| 12/19/2007 | CN100355671C Novel filter material used in process of bio-aeration filter tank |
| 12/19/2007 | CN100355668C Treating material for polluted water, method for production thereof and use thereof |
| 12/19/2007 | CN100355561C Biodegradable waterproof artificial floating island |
| 12/18/2007 | US7309592 Ethanol production from biological wastes |
| 12/18/2007 | US7309438 Mitigation of environmental pollution |
| 12/18/2007 | US7309437 Adding attapulgite and N-carboxymethyl chitosan, removing a toxic metal from the mixture; adjusting the pH of the mixture to a pH of 3.5 |
| 12/18/2007 | US7309435 Digesting organic waste under anaerobic conditions to produce a clear decant and a mixture of biomass, oxidation by electrolysis to produce a conditioned effluent |
| 12/18/2007 | US7309434 Apparatus and method for wastewater treatment |
| 12/18/2007 | US7309433 Fluid bed expansion and fluidisation |
| 12/18/2007 | US7309432 System and method for eliminating sludge via ozonation |
| 12/18/2007 | US7309431 Method for breaking a flap-valve attachment condition under a membrane cover |
| 12/18/2007 | US7309427 System for treating liquids |
| 12/18/2007 | US7309423 Wastewater treatment and dispersal system |
| 12/18/2007 | US7309419 Fluid diverter for a wastewater treatment system |
| 12/18/2007 | CA2266122C Method for purifying carbon-containing pollution and denitrifying waste water in oxygenic medium |
| 12/13/2007 | WO2007142005A1 Drainage water-treating method and drainage water-treating apparatus |
| 12/13/2007 | WO2007142004A1 Drainage water-treating method and drainage water-treating apparatus |
| 12/13/2007 | WO2007141362A1 Procedure for obtaining biofuels from insects and other small animals |
| 12/13/2007 | WO2007120934A3 Method and system for nitrifying and denitrifying wastewater |
| 12/13/2007 | US20070284305 Biological removal method of phosphorus and nitrogen using granulated methan-oxidizing bacteria and apparatus therefor |
| 12/13/2007 | DE102006026577A1 Device for biological reduction of organic decomposition substances in original state by segregation and compaction, comprises two-components, inlets and outlets, an evacuation mechanism, a segregation plate and flow guidance plates |
| 12/13/2007 | DE102006026432A1 Putrefying tank construction in a water basin, comprises lower part made in the form of polygon shaped L-stones, an upper part conically shaped on the upper side, an overflow slot provided between the upper and the lower part |
| 12/13/2007 | DE102004055547B4 Verfahren zur Herstellung biologisch aktiven Materials und Verwendung A process for the preparation of biologically active material and using |
| 12/12/2007 | EP1864949A1 Compound for reclaiming urban and industrial refuse and sewage |
| 12/12/2007 | EP1337478B1 Process and apparatus for treating wastewater |
| 12/12/2007 | CN200988810Y Aeration tube framework |
| 12/12/2007 | CN200988807Y High efficiency upper steam anaerobic biochemical reactor |
| 12/12/2007 | CN200988806Y Double layer arch awning oxidizing ditch |
| 12/12/2007 | CN200988805Y Submersible aerator and submersible hollow shaft motor |
| 12/12/2007 | CN200988804Y Tubular steel net diaphragm aeration head |
| 12/12/2007 | CN200988803Y Oxidation water purifying ditch |
| 12/12/2007 | CN200988802Y Device for filling oxygen by bridge |
| 12/12/2007 | CN200988801Y Float chain type aerator |
| 12/12/2007 | CN200988800Y Waste water treating device by using composite medium |
| 12/12/2007 | CN200988799Y Adsorptive regeneration and split type vibration membrane biological reactor |
| 12/12/2007 | CN200987314Y Artificial floating boat |
| 12/12/2007 | CN101087734A Bioreactor system for multi-stage biological wastewater treatment |
| 12/12/2007 | CN101087733A Waste treatment systems |
| 12/12/2007 | CN101085695A Method for treating waste water |
| 12/12/2007 | CN101085693A Biological removal method of phosphorus and nitrogen using granulated methan-oxidizing bacteria and apparatus therefor |
| 12/12/2007 | CN100354234C Treating process of amino acid fermenting effluent |
| 12/12/2007 | CN100354217C Water purified process for polluted water in-situ |
| 12/12/2007 | CN100354216C Highly effective synchronous biological dephosphorize denitrification reactor |
| 12/11/2007 | US7306733 Autotrophic denitrification chamber and calcium reactor |