| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/22/2007 | CN101023034A Process for the simultaneous removal of BOD and phosphate from waste water |
| 08/22/2007 | CN101021062A Stereo in-situ ecological urban water system repairing process |
| 08/22/2007 | CN101020606A High-strength light ceramic filler |
| 08/22/2007 | CN101020593A Process of treating sewage with animal's excrement |
| 08/22/2007 | CN101020592A Process of treating slightly polluted eutrophic water in lake and reservoir |
| 08/22/2007 | CN101020591A 涡旋污水净化池 Vortex sewage purification pool |
| 08/21/2007 | US7258793 Liquid waste is dissolved with oxygen under a first pressure higher than atmospheric; the waste is then depressurized and contacted with a biofilm |
| 08/21/2007 | US7258792 Introducing a stream of water containing nutrients, contaminant degrading microbes and dissolved oxygen into a treatment zone containing granular activated charcoal to effect adsorption of nutrients and microbes onto the charcoal, and passing a separate aqueous fluid through the contaminated matrix |
| 08/21/2007 | US7258791 From biological oxidation and sewage water treatment by adjusting pH to 8-14, heating to 110-250 degrees C at pressure equal to or higher than saturated steam pressure to solubilize sludge to a readily biodegradable state, returning sludge to the biological oxidizing tank, and adjusting the pH to 5-9 |
| 08/21/2007 | US7258790 Controlled eutrophication system and process |
| 08/21/2007 | CA2236793C Malathion carboxylesterase |
| 08/21/2007 | CA2232581C Submersible mixing impeller |
| 08/16/2007 | WO2007091385A1 Method of detoxifying toxic compound |
| 08/16/2007 | WO2007091382A1 Method of purifying medium contaminated with heavy metals |
| 08/16/2007 | WO2007090782A1 Use of nitrate salts for suppressing disturbing odours |
| 08/16/2007 | WO2007090260A1 A gas bubble generator |
| 08/16/2007 | US20070190634 Compositions useful as inhibitors of protein kinases |
| 08/16/2007 | US20070190630 Process for producing biogas |
| 08/16/2007 | US20070187324 Process for improving phosphorus removal in waste water treatment without chemical addition |
| 08/16/2007 | US20070187323 Environmental Waste Water Cultivation System |
| 08/16/2007 | CA2641356A1 Use of nitrate salts for suppressing disturbing odours |
| 08/15/2007 | EP1818314A2 Method and biogas facility for the production of biogas from liquids with organic load |
| 08/15/2007 | EP1817262A2 Improved method for water purification |
| 08/15/2007 | EP1386539B1 Cheese-like dairy products and process for producing the same |
| 08/15/2007 | CN2934305Y Renewable energy sources genapping device for dyeing and finishing industry |
| 08/15/2007 | CN2934223Y Speed regulating device of water treatment plant oxidation ditch meter aerator |
| 08/15/2007 | CN2934216Y Ecological water purification box |
| 08/15/2007 | CN1331784C Integrated inner circulating mud concentrating and digesting reactor |
| 08/15/2007 | CN1331782C Method for improving capability of linking up with biomembrane of suspension padding |
| 08/15/2007 | CN1331781C Method for renovating zoology in lakeshore zone |
| 08/15/2007 | CN1331780C Integrative bioreactor for treating refuse leachate |
| 08/15/2007 | CN1331779C Method for improving operation stability of anaerobic reactor |
| 08/15/2007 | CN1331778C Method for depurating waste water biologically |
| 08/15/2007 | CN1331777C Nitrating aeration biological filting tank of oyster shell filling |
| 08/15/2007 | CN1331776C Original water biologic pretreatment method using suspended padding and apparatus therefor |
| 08/15/2007 | CN1331775C Ammonia nitrogen containing waste water treatment method |
| 08/15/2007 | CN1331774C Tubular dynamic membrane reactor for biological catalytic oxidation |
| 08/15/2007 | CN1331773C Membrane rector with rotary brush |
| 08/15/2007 | CN101018742A Aeration method, its apparatus and its system |
| 08/15/2007 | CN101016532A Method of domesticating and screening benzene series anaerobic degradation flora |
| 08/15/2007 | CN101016529A Agrobacterium tumefaciens capable of metabolizing nicotine and application thereof |
| 08/15/2007 | CN101016528A Pseudomonas putida capable of metabolizing nicotine and application thereof |
| 08/15/2007 | CN101016525A Delftia with aerobic denitrifying capability and method of treating waste water by the same |
| 08/15/2007 | CN101016524A Pseudomonas putida with aerobic denitrifying capability and method of treating waste water by the same |
| 08/15/2007 | CN101016523A Testosterone coma monad with aerobic denitrifying capability and method of treating waste water by the same |
| 08/15/2007 | CN101016186A Biological treatment method and device for ecological system of sewage circulation utilization |
| 08/15/2007 | CN101016185A Integral film immobilization bioreactor for waste water treatment and operation method thereof |
| 08/15/2007 | CN101016184A Pressurization organism filter |
| 08/15/2007 | CN101016174A Coking sewage treatment method realizing zero discharge |
| 08/15/2007 | CN101015832A Denitrification facultative type domestic refuse bioreactor landfill and leachate recirculation process |
| 08/15/2007 | CN101015751A Three-phase separator |
| 08/14/2007 | US7255791 In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol |
| 08/14/2007 | US7255333 Strip diffuser |
| 08/14/2007 | CA2225485C Microbiological degradation of alkylene amine acetates |
| 08/14/2007 | CA2212819C Composition and method for degradation of nitroaromatic contaminants |
| 08/09/2007 | WO2007089168A1 Self-regulatng method for sewage water treatment and a device for carrying out said method |
| 08/09/2007 | WO2007089141A1 Process and apparatus for the purification of waste water |
| 08/09/2007 | WO2007089113A1 Pure oxygen aeration system for wastewater treatment |
| 08/09/2007 | WO2007089080A1 Water purification apparatus |
| 08/09/2007 | WO2007089013A1 Gas-liquid generation device |
| 08/09/2007 | WO2007088860A1 Method of biologically treating organic waste water |
| 08/09/2007 | WO2007065088A3 Fine bubble delivery for potable water, wastewater, and clean water treatment, method |
| 08/09/2007 | WO2007041994A3 Method for initiating microbiological processes in artificial waters |
| 08/09/2007 | US20070181495 Method of operating a sewage system and such a sewage system |
| 08/09/2007 | US20070181494 Growth Media Wastewater Treatment Reactor |
| 08/09/2007 | US20070181493 Sequencing batch reactor tanks with high volumetric exchange rate, a variable cycle length and constant batch volume; batch reactors are operated for carbon, nitrogen removal and phosphorus is removed chemically |
| 08/09/2007 | US20070181474 Filter for a microbe reactor of sewage treatment |
| 08/09/2007 | DE102006004948A1 Device for biological treatment of water in swimming pool, comprises inlet, outlet, chambers which receives a porous filter body as carrier for plants and microorganisms |
| 08/08/2007 | CN2931468Y Eutrophication water body purifying bed |
| 08/08/2007 | CN2931467Y Suspending type ground mass free aquatic plant purifying bed |
| 08/08/2007 | CN2931466Y Water body treatment plants filtering bed |
| 08/08/2007 | CN2931465Y Apparatus of treating city domestic refuse percolation liquid by two-stage UASB+A/O technique |
| 08/08/2007 | CN2931464Y Sewage biological treatment reactor |
| 08/08/2007 | CN2931463Y Treatment of organism suspending island by adjustable water body |
| 08/08/2007 | CN2931462Y Suspending type biological film folding net |
| 08/08/2007 | CN1330591C Decentralizing treating and utilizing technology for zero discharging sewage |
| 08/08/2007 | CN1330590C Organic waste treatment |
| 08/08/2007 | CN1330582C Methods and apparatus for treating animal manure |
| 08/08/2007 | CN101012093A Integral synchronous denitrification dephosphorizing bioreactor |
| 08/08/2007 | CN101012089A Deep-bed wetland programmed stepped water distributing device |
| 08/08/2007 | CN101012088A Low-oxygen aeration control device and method for subsection water inflow A/O biological denitrification technique |
| 08/08/2007 | CN101012087A Method of processing sewage utilizing fluidized bed technique, organism compatibility filling thereof and preparing method of filling |
| 08/08/2007 | CN101012086A Anaerobic inner circulating reflux type immobilization microorganism fluidized bed reactor |
| 08/08/2007 | CN101012085A Organism pressure anaerobic technique for simultaneous processing garbage and waste-water, and device thereof |
| 08/08/2007 | CN101012084A Aerobic inner circulating reflux type immobilization microorganism fluidized bed reactor |
| 08/08/2007 | CN101012083A Method of restoring polluted water body |
| 08/08/2007 | CN101012082A Bioreactor using polyvinyl alcohol nano microsphere dynamic film as filtration medium |
| 08/07/2007 | US7252766 Collection tank for receiving wastewater containing biodegradable material and an outlet for treated effluent going to a disposal site; perforated cylinder reactor pod with aerobic bacterial growth media and a draft tube creates a spray or splash pattern to recirculate aerated liquor |
| 08/07/2007 | US7252765 Flowing influent wastewater into a first anaerobic region, measuring the phosphorus content with a microorganism biomass, flowing the mixed liquor into a second anaerobic region to ferment the organic components and form short chain fatty acids |
| 08/07/2007 | CA2390978C Wastewater purifying apparatus |
| 08/07/2007 | CA2274042C Aeration diffuser |
| 08/02/2007 | WO2007087060A2 Wastewater treatment system and method |
| 08/02/2007 | WO2007086240A1 Method of treating drainage water using fixation support |
| 08/02/2007 | WO2007085177A1 High denitrification shared type orbal oxidation ditch |
| 08/02/2007 | WO2007085176A1 An integrated orbal oxidation ditch |
| 08/02/2007 | US20070178577 Method for effecting the anaerobic biological decomposition of organsiloxanes |
| 08/02/2007 | US20070176890 Equipment for the biological activated sludge treatment of waste-water and procedure its operation |
| 08/02/2007 | US20070175824 Reserve tank structure |
| 08/02/2007 | US20070175823 System for controlling aerobic phase of a wastewater treatment cycle; holding tank, air blower with programmable logic controllers; calibratable detectors inside tank for measuring concentration of dissolved oxygen |
| 08/02/2007 | US20070175822 Process and apparatus for anaerobic treatment of sulfur compound-containing wastewater |