| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/18/2002 | CN2526316Y Float-type underwater plant lighter |
| 12/18/2002 | CN2526315Y Integrated membrane bioreactor |
| 12/18/2002 | CN1385384A Methd for industrilized organic refuse treatment and fly maggot and worm lizard cultivation |
| 12/18/2002 | CN1385383A Biological harmless pretreating method for waste computer |
| 12/18/2002 | CN1385380A Method for treating acrylonitrile and acrylic waste water |
| 12/18/2002 | CN1385379A Laminated piece extension type water treatment filler |
| 12/18/2002 | CN1096425C Apparatus and method for treating sewage and wastewater by biological reaction |
| 12/18/2002 | CN1096424C Sewage treatment installation |
| 12/18/2002 | CN1096423C Sewage treatment installation |
| 12/12/2002 | WO2002098800A1 Bioreactor for sewage and wastewater treatment |
| 12/12/2002 | WO2002098544A1 Floating fine-bubble aeration system |
| 12/12/2002 | WO2002098215A1 Aquarium filter system |
| 12/12/2002 | US20020185559 Pressure differential material transport and disposal system |
| 12/12/2002 | US20020185448 Process and system for treatment of aqueous environments containing water soluble polymers |
| 12/12/2002 | US20020185447 Production of products from sewer sludge |
| 12/12/2002 | US20020185438 Such as overflow sewage or oil-contaminated water; includes an inflow pipe connected to the receiving means of the vertical membrane storage system, an inflow overflow valve within the pipe and an outflow pipe with valve |
| 12/12/2002 | US20020185437 Reverse Fluidized Loop Reactor (RFLR); using retainable biological catalysts and a novel reactor, a RFLR |
| 12/12/2002 | US20020185436 Method and apparatus for biodegradation of oxygenates |
| 12/12/2002 | US20020185435 Biological process for removing phoshporus involving a membrane filter |
| 12/12/2002 | US20020185434 Bioreactor systems for biological nutrient removal |
| 12/12/2002 | US20020185426 Environmental flexible remediation system |
| 12/12/2002 | US20020185418 Apparatus for purification of waste water and a "RFLR" device for performing the same |
| 12/12/2002 | DE10127554A1 Verfahren zur biologischen Reinigung von Abwässern Process for the biological purification of waste water |
| 12/12/2002 | DE10127545A1 Verfahren und Vorrichtung zur weitergehenden Reinigung kommunaler Abwässer Method and apparatus for advanced treatment of municipal wastewater |
| 12/11/2002 | EP1264818A1 A method for treating an effluent containing sorbic acid and/or a salt thereof and an effluent disposal device |
| 12/11/2002 | EP1263686A1 Process for production of hydrogen from anaerobically decomposed organic material |
| 12/11/2002 | CN2525081Y Anaerobic and aerobic composite biological tower for printing and dyeing waste water |
| 12/11/2002 | CN2525080Y Stirrer of anaerobic pool |
| 12/11/2002 | CN1384807A Anaerobic station for sewage wastewater treatment |
| 12/11/2002 | CN1384187A Batch culture process of variant strain of Bacillus subtilis |
| 12/11/2002 | CN1384068A Biological reinforcer for treating phenol-containing effluent |
| 12/11/2002 | CN1384067A Biological reinforcer for treating pharmaceutical effluent |
| 12/11/2002 | CN1384066A Biological reinforcer for treating domestic sewage and surface water |
| 12/11/2002 | CN1384065A Biological treating process of high-concentration organic waste water |
| 12/10/2002 | US6491829 Pollution control |
| 12/10/2002 | US6491820 Pulsed-electric field is generated by an electroporating device producing a non-arcing pulsed electric field. |
| 12/05/2002 | WO2002096806A2 Method, apparatus and biomass support element for biological wastewater treatment |
| 12/05/2002 | WO2002083577A3 Cultivation of bacteria in wastewater treatment |
| 12/05/2002 | WO2002068344A9 Method for biological purification of effluents using biofilm supporting particles |
| 12/05/2002 | US20020179534 Light expanded clay aggregates for phosphorus removal |
| 12/05/2002 | US20020179526 Reservoir with vertical partitions; air lift; floatable porous plastic particles |
| 12/05/2002 | US20020179525 Using activated microorganisms; water pollution control |
| 12/05/2002 | US20020179524 Using activated sludge |
| 12/05/2002 | US20020179512 Aquarium filter system |
| 12/05/2002 | US20020179511 Biological waste water treatment system |
| 12/05/2002 | US20020179510 Biological waste water treatment system |
| 12/05/2002 | US20020179509 Biological waste water treatment system |
| 12/05/2002 | DE10126890A1 Tauchtropfkörper Rotating biological contactor |
| 12/05/2002 | CA2449853A1 Method, apparatus and biomass support element for biological wastewater treatment |
| 12/04/2002 | EP1262460A2 Method for introducing fluid charged with gas, in particular with oxygen, in deeper regions of an accumulation of fluid, in particular of a lake, and apparatus for carrying out this method |
| 12/04/2002 | EP1019330B1 Method for controlling aeration systems of biological tanks treating waste water |
| 12/04/2002 | CN2523759Y Purifier for aquatic organism in aquarium |
| 12/04/2002 | CN2523758Y Liftable pipe style micro-porous aerator |
| 12/04/2002 | CN2523757Y Water depositing apparatus |
| 12/04/2002 | CN2523507Y Adjustable gas-liquid nozzles |
| 12/04/2002 | CN1382648A Process for treating city sewage by hydrolysis-anaerobic-anoxic-aerobic method |
| 12/04/2002 | CN1382647A Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic biologic fiter pool |
| 12/04/2002 | CN1382645A Utilizing aromatic ammonium nitrate salt for treatment of water contg. organic refuse |
| 12/04/2002 | CN1095449C Method and appts. for treating waste water |
| 12/03/2002 | US6489537 Phytochelatin synthases and uses therefor |
| 12/03/2002 | US6488854 Activated sludge wastewater treatment system and method |
| 12/03/2002 | US6488852 Bioreactor containing microorganisms, a supply of organic and inorganic nutrients and a controller |
| 12/03/2002 | US6488851 Reactor and process for biologically treating sewage |
| 12/03/2002 | US6488850 Method and apparatus for anaerobically degrading pollutants with alkanes |
| 11/28/2002 | WO2002095151A1 Toilet system |
| 11/28/2002 | WO2002094724A1 Device for biological fluid treatment |
| 11/28/2002 | WO2002094723A1 Environmental remediation method and apparatus |
| 11/28/2002 | WO2002094181A2 Gram-positive fatty acid degrader |
| 11/28/2002 | WO2002094015A2 Denitrification of aquarium water with the aid of polycaprolactone |
| 11/28/2002 | US20020175121 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
| 11/28/2002 | US20020175116 Symbiotic residual water treatment station |
| 11/28/2002 | DE10124264A1 Water basin aeration pipe has perforated outer sheath with spiral ridge containing internal longitudinal groove |
| 11/28/2002 | DE10066097A1 Cleaner, especially for cleaning drain pipe for greasy waste water by adding nitrogen compounds to bacteria that degrade and/or emulsify grease contains urea, derivative and/or salt and/or magnesium sulfate |
| 11/28/2002 | CA2447804A1 Toilet system |
| 11/28/2002 | CA2447749A1 Gram-positive fatty acid degrader |
| 11/27/2002 | EP1260486A1 Method for treating organic wastewater |
| 11/27/2002 | EP1260485A1 Device for the biological treatment of fluids |
| 11/27/2002 | EP1260282A2 Method for improving phytoremediation treatment of a contaminated medium |
| 11/27/2002 | EP1259994A1 Fuel cell power generation method and system |
| 11/27/2002 | EP1259466A1 A method for processing lignocellulosic material |
| 11/27/2002 | EP1259465A1 Method and system for sustainable treatment of municipal and industrial wastewater |
| 11/27/2002 | EP1164839B1 Purification device for purifying fresh water |
| 11/27/2002 | EP1102726B1 Method of liquefying microorganisms derived from biological wastewater treatment processes |
| 11/27/2002 | CN2522414Y Micro-hole combined-piece type filling material |
| 11/27/2002 | CN1382108A Microbiological water filter |
| 11/27/2002 | CN1381412A Biochemical procss for treating waste water with nano material |
| 11/27/2002 | CN1381409A Microbial process for treating oil-contained emulsified sewage |
| 11/27/2002 | CN1381408A Process for treating sewage by combining aerobic with anaerobic methods |
| 11/27/2002 | CN1381407A Process for treating sewage |
| 11/27/2002 | CN1094904C Blowing device for sewage aerobic treatment trough and sewage treatment through |
| 11/26/2002 | US6485952 Method of cultivating white-rot fungi on a sugar beet pulp substrate |
| 11/26/2002 | US6485647 Method and apparatus for treating leach fields |
| 11/26/2002 | US6485646 Process for the treatment of waste water containing ammonia |
| 11/26/2002 | US6485645 Biological process for removing phosphorus involving a membrane filter |
| 11/26/2002 | US6485003 Gas dissolving apparatus and method |
| 11/21/2002 | WO2002092519A1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 11/21/2002 | WO2002092518A1 Wastewater treatment with alkanes |
| 11/21/2002 | US20020174455 Sustained totipotent culture of selected monocot genera |
| 11/21/2002 | US20020170863 Carbon dioxide recycle for immersed membrane |
| 11/21/2002 | US20020170858 From water with a relatively low oxygen content and having naturally occurring chemoautotrophic bacteria, and at least one of ferrous iron and sulfide |