| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 03/13/2002 | EP1186574A1 Process and apparatus for long term elimination of biofilms from systems conducting liquids |
| 03/13/2002 | EP1185168A1 Method for improving conditions in closed circuit fish farming |
| 03/13/2002 | CN2481708Y Apparatus for integrative treatment of organic sewage by biochemical process |
| 03/13/2002 | CN2481707Y Process for high-efficiency treating sewage by denitrogenation and dephosphorization |
| 03/13/2002 | CN2481706Y High-efficiency anaerobic compound reactor for sewage treatment |
| 03/13/2002 | CN2481705Y Non-power domestic sewage intensified treating device |
| 03/13/2002 | CN2481704Y Self-suction immersed aerator |
| 03/13/2002 | CN1339407A Granular carrier for waste water/sewage biological treatment |
| 03/13/2002 | CN1080581C Fluid processing device and waste water purifier mounted with said device and purifying method |
| 03/12/2002 | US6355172 Method and plant for purification of metals from water |
| 03/12/2002 | US6355162 Apparatus for increasing the flocculation rate of suspended solids from wastewater |
| 03/07/2002 | WO2002018563A1 Method for the preparation of stable and reusable biosensing granules |
| 03/07/2002 | WO2002018279A1 Compact sewage secondary treatment system |
| 03/07/2002 | WO2002018276A1 Apparatus and method for wastewater nutrient recovery |
| 03/07/2002 | WO2002017708A2 System and method for treatment of animal waste |
| 03/07/2002 | WO2001066474A3 Membrane module for gas transfer and membrane supported biofilm process |
| 03/07/2002 | WO2001066275A9 Composite particles and methods of their use |
| 03/07/2002 | US20020028492 Adjusting aliphatic and aromatic hydrocarbon in bacteria; incubate impure sample and bacteria, monitor sample for reduction in hydrocarbon impurities |
| 03/07/2002 | DE10041665A1 Small-scale waste water treatment plant has secondary interior interior treatment tanks discharging to downstream outlet |
| 03/07/2002 | DE10041147A1 Vorrichtung zum Befestigen von Wasserbelüftungseinrichtungen an Luftzuführungsleitungen Device for fixing water aeration devices in air supply lines |
| 03/07/2002 | DE10039228A1 Verfahren zur Vererdung einer wässrigen Suspension organischer Stoffe, insbesondere von Klärschlamm Humification process for an aqueous suspension of organic matter, in particular sewage sludge |
| 03/07/2002 | CA2420280A1 Compact sewage secondary treatment system |
| 03/07/2002 | CA2384958A1 System and method for treatment of animal waste |
| 03/06/2002 | EP1184398A1 Oligomer for media to entrap microorganism, oligomer-polymerized hydrous gel, and oligomer-polymerized hydrous gel entrapping microrganism |
| 03/06/2002 | EP1184342A2 Device for water treatment |
| 03/06/2002 | EP1183093A1 Counterbalanced dual submarine-type liquid mixer pairs |
| 03/06/2002 | EP0820516B1 Exopolysaccharide degrading enzyme and use of the same |
| 03/06/2002 | CN2480362Y Mechanical air blowing tower pool type sewage biochemical treatment apparatus |
| 03/06/2002 | CN2480361Y Biological oxidation pipe |
| 03/06/2002 | CN1338514A Carrier mixture for fixing microorgans and biologic reactor therewith |
| 03/06/2002 | CN1338438A Method and apparatus for treating liquid |
| 03/05/2002 | US6352643 Wastewater treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using thereof |
| 02/28/2002 | WO2002016660A1 Reduction method using palladium-loaded biological cell as catalyst |
| 02/28/2002 | US20020023876 Algal and nutrient control system and method for a body of water |
| 02/28/2002 | US20020023871 Oriented structure for treating a fluid |
| 02/28/2002 | US20020023868 Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion |
| 02/28/2002 | DE10120956A1 Apparatus for dephosphation of surface water has gravel and sand filter with water supply above exchangeable ferrous material container and aerated tapered bottom with exchangeable iron phosphate collector |
| 02/27/2002 | EP1181973A1 Device for fixing water aeration devices to air-delivery devices |
| 02/27/2002 | EP1181252A1 Method for treatment of organic material in a two-step anaerobic biochemical reactor |
| 02/27/2002 | EP1181250A1 Method and apparatus to establish and optimize sedimentation and methane fermentation in primary wastewater ponds |
| 02/27/2002 | CN2479009Y High-efficiency reactor for treatment of non-degradable industrial waste water |
| 02/27/2002 | CN1337364A Rancidification preventing method for anaerobic UASB sewage treating system |
| 02/27/2002 | CN1337363A Channel-type bioreactor for purifying organic effluent |
| 02/26/2002 | US6350605 Cultures of algae and manganese oxidizing bacteria; removing and recycling manganese from water |
| 02/26/2002 | US6350381 Fatty acid (especially lactate) functions as an inexpensive growth substrate that can be introduced into the aqueous system to quickly maximize the growth of the active microbe incorporated therein; aerobic process; especially for mbte |
| 02/26/2002 | US6350380 Immobilization of metals in body of water |
| 02/26/2002 | US6350350 Integrated system and method for purifying water, producing pulp and paper and improving soil quality |
| 02/26/2002 | CA2135761C Process for removing sulphur compounds from water |
| 02/26/2002 | CA2064206C Immersible biological filter for the purification of waste water |
| 02/21/2002 | WO2002013982A1 Compositions including ammonia oxidizing bacteria to increase production of nitric oxide and nitric oxide precursors and methods of using same |
| 02/21/2002 | US20020020666 Membrane module for gas transfer and membrane supported biofilm process |
| 02/21/2002 | US20020020664 Bioremediation of nitrate contaminated groundwater |
| 02/21/2002 | CA2355519A1 Apparatus for securing water aerating devices to air supply conduits |
| 02/20/2002 | EP1180499A2 Process for transforming into humus an aqueous suspension of organic matter, especially sewage sludge |
| 02/20/2002 | EP0958252B1 Methods for the detoxification of nitrile and/or amide compounds |
| 02/20/2002 | CN2477627Y Fixing-free microporous aerator |
| 02/20/2002 | CN2477626Y Horizontal axial type aerator |
| 02/20/2002 | CN2477625Y Membrane biological reactor for treatment of waste water |
| 02/20/2002 | CN1336850A Gas-liquid mixing device |
| 02/20/2002 | CN1336847A Immersed membrane element and module |
| 02/20/2002 | CN1336338A Combined mechanism for elevating aerator and swinging packings freely |
| 02/20/2002 | CN1336337A Sewer/waste-water treatment equipment |
| 02/20/2002 | CN1336336A Waste water recovering and treating process |
| 02/20/2002 | CN1079379C Biological purifying treatment method for sewage |
| 02/20/2002 | CN1079378C Method of producing granular enzymetic filling for treating waste water |
| 02/20/2002 | CN1079377C Oxidation tube |
| 02/20/2002 | CN1079272C Circulation filter for bathing water |
| 02/19/2002 | US6348639 Biological system for degrading nitroaromatics in water and soils |
| 02/19/2002 | US6348147 Fluid flow system for floating biological contactor |
| 02/14/2002 | WO2002012138A1 Installation and method for purifying waste water or effluents in particular industrial |
| 02/14/2002 | WO2002012136A1 Waste water treatment method using microorganisms |
| 02/14/2002 | WO2002012135A1 Waste treatment process |
| 02/14/2002 | WO2002012134A1 Method for treating organic waste water |
| 02/14/2002 | WO2002012133A1 Activated sludge method and device for the treatment of effluent with nitrogen and phosphorus removal |
| 02/14/2002 | WO2002011914A2 Method and device for in-situ groundwater decontamination |
| 02/14/2002 | WO2002011870A2 Apparatus and method for oxygenating wastewater |
| 02/14/2002 | WO2001066275A3 Composite particles and methods of their use |
| 02/14/2002 | WO2001051738A3 Water circulation device for decorative ponds |
| 02/14/2002 | WO2000071474A3 Method for biologically purifying waste water having a low nutrients content, as well as apparatus for carrying out such a method |
| 02/14/2002 | US20020017498 Water treatment |
| 02/14/2002 | US20020017314 Parts washing system |
| 02/14/2002 | DE19939679C2 Abwasserreinigungsvorrichtung mit Feststoffakkumulation Wastewater treatment apparatus with solids accumulation |
| 02/14/2002 | DE10036371A1 Elimination of trinitrotoluene from ground water and waste liquor, e.g. in soil associated with blasting site or munitions store or factory, uses cycle of alternate aerobic fungal fermentation and anaerobic bacterial mineralization |
| 02/14/2002 | DE10032685A1 Assembly to treat domestic sewage, for small households without a sewage removal facility, has flexible material forming clarifying body with separate function zones for easy transport and deployment at site |
| 02/14/2002 | CA2420647A1 Method and device for in-situ groundwater decontamination |
| 02/13/2002 | EP1179508A1 A method and a device for treatment of liquids |
| 02/13/2002 | EP1179055A1 Novel phytochelatin synthases and uses therefor |
| 02/13/2002 | EP1020408A4 Clean water system and its structure |
| 02/13/2002 | CN2476547Y Aerated tube for sewage treatment |
| 02/13/2002 | CN1335824A Device for the aerobic microbiological treatment of waste water |
| 02/13/2002 | CN1335273A Dynamic stuffing and biological membrane water treating method |
| 02/13/2002 | CN1079083C Compound functional bacteria for treatment of electroplating sewage, its culture method and its using method |
| 02/12/2002 | US6346412 Efficient bioremediation of soil, sludge or slurry using bioreactor which maintains suspension or slurry of solid particles concurrent with settled bed of solid particles using a horizontal stirrer blade which uses minimal energy |
| 02/12/2002 | US6346193 Confining rain and storm water discharge in water entrance basin in reservoir within floating boom filter and accelerating biodegradation of organic material introduced into surface water entrance basin at filter |
| 02/12/2002 | US6345812 Plate-like water aerator |
| 02/12/2002 | US6345810 Aerating unit |
| 02/11/2002 | CA2354936A1 A method and a device for treating liquids |
| 02/07/2002 | WO2002010078A1 Bacterial composition, method and installation for pre-treating effluents loaded with organic fatty substances |
| 02/07/2002 | WO2002010077A1 Method and apparatus for treating wastewater using membrane filters |
| 02/07/2002 | WO2002010072A2 Process for direct filtration of wastewater |