Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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04/20/2005 | CN2693759Y Self-cleaning microporous aerator |
04/20/2005 | CN2693758Y Traveling debubbling device for pool surface |
04/20/2005 | CN2693757Y Rotating debubbling device for pool surface |
04/20/2005 | CN2693756Y Disc type biochemical filling material |
04/20/2005 | CN1607188A ADSEF dephosphorizing-denitrification sewage treatment technique |
04/20/2005 | CN1607187A Blade type surface aeration device |
04/20/2005 | CN1197790C Method and device of using compound microorganism and nanometer compound carrier to treat toilet sewage |
04/20/2005 | CN1197789C Method for treating waster water of cane mill by biological bacteria |
04/20/2005 | CN1197787C Quick automatic treating device of polluted water |
04/19/2005 | US6881343 Cyclic aeration system for submerged membrane modules |
04/19/2005 | US6881340 Connecting manifolds; detection of biomass |
04/19/2005 | US6881339 Process for treating industrial waste water highly loaded with ammonium, by treating the waste water with nitrifying microogransims (nitric bacteria) in the presence of a suspended carrier substance with a specific surface area of |
04/19/2005 | US6881338 Engineered wetlands for waste water treatment; system includes a first lagoon having an inlet for receiving wastewater to be treated and a first vertical flow marsh cell having a bottom outlet |
04/14/2005 | WO2005033262A2 Method and device for culturing live cells by coupling a bioreactor receiver with a selection automation |
04/14/2005 | WO2005033021A1 Procedure for cleaning aqueous phase of liquid manure |
04/14/2005 | WO2005033020A1 Controlled eutrophication system and process |
04/14/2005 | WO2005033018A1 A water filtration system and its use |
04/14/2005 | WO2005033010A2 Waste water treatment system and process |
04/14/2005 | WO2005032698A1 Method for avoiding clogging of filtration membranes |
04/14/2005 | WO2005016834A3 Installation for the aerobic treatment of a liquid, consisting in moving micro-organism-bearing particles and comprising decantation and degassing |
04/14/2005 | US20050079596 Nitrite-oxidizing bacteria and methods of using and detecting the same |
04/14/2005 | US20050077251 Recycling of portion of wastewater treatment plant nitrified effluent, utilizing dissolved oxygen and nitrate in effluent to prevent formation or reduce levels of sulfides and odorous organics in primary clarifiers; process can be supplemented with chemical treatment such as nitrate addition |
04/14/2005 | US20050077239 for the control of biomass growth on suspended media within fluidized-bed bioreactors. |
04/14/2005 | US20050077238 For enhancing process control, mixing, sludge circulation, and foam/froth control in large-volume, tall, cylindrical and egg-shaped digesters |
04/14/2005 | US20050077237 Method for recovering a disposal trench with a biomat slime, and method for operating a waste treatment vessel |
04/14/2005 | US20050077236 Including a pathogen reduction stage in which raw sludge is incubated for a predetermined incubation period at a temperature in mesophilic temperature range in a plurality of sequential vessels and discharged after spending a predetermined residence time in each vessel |
04/14/2005 | US20050077219 Process and device for the treatment of effluents produced during wine manufacture |
04/14/2005 | CA2540819A1 Autotrofic sulfur denitration chamber and calcium reactor |
04/14/2005 | CA2540712A1 Waste water treatment system and process |
04/14/2005 | CA2539478A1 Method and device for culturing live cells by coupling a bioreactor receiver with a selection automation |
04/13/2005 | EP1522529A1 Device for using liquid waste |
04/13/2005 | EP1522528A1 Disintegration of anaerobically digested sewage sludge |
04/13/2005 | EP1521723A1 Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
04/13/2005 | CN2692137Y Gas extraction type aeration tower |
04/13/2005 | CN2692136Y Pushing flow type rotary disk aeration machine aeration rotary disk |
04/13/2005 | CN2692135Y Aeration machine rotor device |
04/13/2005 | CN2692134Y Hydraulic rotary biological membrane reactor |
04/13/2005 | CN2692133Y Magnelization method biological moving bed sewage treatment device |
04/13/2005 | CN1605626A Specific bacterium YPC-TA4 and method for treating waste water |
04/13/2005 | CN1605625A Specific bacterium YPC-TA3 and method for treating waste water |
04/13/2005 | CN1605624A Specific bacterium YPC-TA2 and method for treating waste water |
04/13/2005 | CN1605623A Specific bacterium YPC-TA1 and method for treating waste water |
04/13/2005 | CN1605622A Bacillus megatherium immobilization product and its preparation and use |
04/13/2005 | CN1605573A Disintegration of anaerobically digested sewage sludge |
04/13/2005 | CN1605572A Microbiological ammonia nitrogen aligning agent and method for making the same |
04/13/2005 | CN1196653C Water cleaner for enclosed water area |
04/12/2005 | US6878856 System and method for bioremediating wastestreams containing energetics |
04/12/2005 | US6878282 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
04/12/2005 | US6878281 Wastewater management system |
04/12/2005 | US6878279 Water pollution control |
04/07/2005 | WO2005030654A1 Method and apparatus for nitrification |
04/07/2005 | WO2005012192B1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
04/07/2005 | WO2004101449A8 Method of degrading tbp using a photosynthetic bacterial strain |
04/07/2005 | US20050075515 Rapid aerobic degradation using microbial pure culture Pseudomonas nitroreducens TX1; environmental surfactant waste clean up |
04/07/2005 | US20050072732 Method for biological purification of water using a carrier material |
04/07/2005 | US20050072718 System and device to treat sanitary and municipal wastewater and storm water run-offs |
04/07/2005 | DE10340612A1 Growth substrate in form of fibrous pellets, used to treat waters including opencast mining lagoons, employs wet-pelletized ultra-short natural fibers |
04/06/2005 | EP1519900A2 Effluent treatment combining solid/liquid separation and pulsed electric fields |
04/06/2005 | EP1519779A1 Dual porosity filter |
04/06/2005 | EP1519649A1 Water distributor device for aquariums, ponds and the like provided with a possible biological filter |
04/06/2005 | EP1140330B1 Water filtration using immersed membranes |
04/06/2005 | CN2690388Y Wave plate three phase separator |
04/06/2005 | CN2690387Y Improved aeration rotary disc and vertical flow aeration automatic aerator |
04/06/2005 | CN2690386Y Forced push flow type areobic reactor |
04/06/2005 | CN2690385Y Air inlet device of aerator |
04/06/2005 | CN2690384Y Air and water guide flow device for aerator |
04/06/2005 | CN2690383Y Sewage biological treating purifier |
04/06/2005 | CN2690382Y Intermittent ceramic biological membrane reactor |
04/06/2005 | CN2689687Y Biochemical flow passing circulation device needing no water changing |
04/06/2005 | CN1604874A Clarification basin membrane |
04/06/2005 | CN1603407A Preparation of chitosan imbedded microbe sphere and method for biological treatment of sewage using same |
04/06/2005 | CN1603255A Trench type sewage ecological engineering processing and reclamation technique |
04/06/2005 | CN1603251A Method for removing nutrient salt in water |
04/06/2005 | CN1603250A Biological treatment method for paper making black liquor |
04/06/2005 | CN1603248A Biological denitrification method for ammonium-nitrogen containing waste water and microbes thereof |
04/06/2005 | CN1195685C Water treatment apparatus |
04/06/2005 | CN1195575C Film assembly cleaned mechanically |
04/05/2005 | US6875902 Radiating aqueous mixture containing photocatalyst with light in presence of oxygen source |
04/05/2005 | US6875362 Denitrification, dephosphorization; electrochemical process |
04/05/2005 | US6875357 Cycles of anaerobic and aerobic processes; separation, decantation; filtration membrane |
04/05/2005 | US6875355 Denitrification system for nitrified wastewater or nitrified water |
04/05/2005 | US6875344 Treatment of wastewater using one or more trickle towers employing biomedia; particularly relates to distribution of wastewater over biomedia |
04/05/2005 | CA2358970C Biochemically enhanced thermophilic treatment process |
04/05/2005 | CA2174847C Method and apparatus for recovering water from a sewer main |
03/31/2005 | WO2005028382A1 Method of reducing the pollution load of purines |
03/31/2005 | WO2005028381A1 Aerobic wastewater treatment |
03/31/2005 | WO2005028380A1 Activated sludge process and apparatus with high biomass concentration using a downflow sludge blanket filtration |
03/31/2005 | WO2005028375A1 Method and device for the comminution of particulate organic substances in suspensions of microorganisms |
03/31/2005 | WO2005028373A2 Single vessel multi-zone wastewater bio-treatment system |
03/31/2005 | WO2005028133A1 Decontaminating agent for, contaminated with hexavalent chromium, soil/groundwater and bottom sediment, and method of decontamination therewith |
03/31/2005 | US20050069466 Fluidizing reactor and method for treatment of fluids |
03/31/2005 | US20050067348 Waste water treatment; adjust pH; drying mixture; adjust solid concentration; pasteurization |
03/31/2005 | US20050067347 Pretreating (ozonization; adsorption on biodegradable support) then submitting to action of white-rot fungi, hydrolase, cellulase, and ligninase |
03/31/2005 | CA2538588A1 Single vessel multi-zone wastewater bio-treatment system |
03/30/2005 | EP1518831A1 Aerobic wastewater treatment |
03/30/2005 | EP1518830A1 Process for the load dependent, self-regulation of the aeration in a biological wastewater treatment plant |
03/30/2005 | EP1517985A2 Cultivation method for micro-organisms and bioreactor |
03/30/2005 | EP1517862A1 Method for treating an effluent in three biological steps |
03/30/2005 | EP1517859A1 Treating micro-organisms in water using boron conditioned enzymes |
03/30/2005 | CN2688698Y Purifier for trip biological degradation sludge gas fermentation and living industrial sewage |