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