| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 10/06/1999 | EP0946233A1 Method of gasifying or degasifying a liquid |
| 10/06/1999 | EP0946229A2 BACTERIAL STRAIN $i(CORYNEBACTERIUM. sp K2-17) AND METHOD FOR THE MICROBIAL DECONTAMINATION OF MATERIALS WHICH ARE CONTAMINATED WITH COMPOUNDS FROM PHENOXYALCANOIC ACID-HERBICIDE PRODUCTION |
| 10/06/1999 | EP0817666B1 Method of separating solids from liquids and/or separating emulsions |
| 10/06/1999 | CN2341985Y Film type aeration head for waste water treatment |
| 10/06/1999 | CN2341984Y Aeration stirrer |
| 10/06/1999 | CN2341983Y Biological carrrier for water treatment |
| 10/06/1999 | CN1230525A Process of treatment for waste smell by using microbe fixed cillium ball, and bio-reactor therefor |
| 10/06/1999 | CN1230524A Waste water treatment equipment and method with functions of deodorization antifoaming intermittent aeration and re-circulations |
| 10/06/1999 | CN1230523A Vane wheel type aerating method and equipment by convective aeration and pumping atomization |
| 10/05/1999 | US5962309 Extruded foamed polyolefin resin carrier for microorganisms in a fluidized bed |
| 10/05/1999 | US5962305 Bacterial strain jmc1 (ferm bp-5960) constitutively expressing oxygenase; can proliferate and degrade aromatic compounds and chlorinated aliphatic hydrocarbons at 4 degrees celsius |
| 10/05/1999 | US5961831 Automated closed recirculating aquaculture filtration system and method |
| 10/05/1999 | US5961830 Wastewater treatment method and plant |
| 10/05/1999 | US5961829 Method and an apparatus for the purification of water, more particularly from a composting process |
| 10/05/1999 | US5961826 Biological waste water treatment system having a sedimentation tank vertically combined with an aeration tank therein |
| 10/05/1999 | US5961733 The type of parts normally being discussed as washed in a parts washer are, for example, automotive parts such as valves, pistons, transmission parts, covers, and so forth. |
| 10/05/1999 | US5961212 Screw with continuous and discontinuous blades for water processing apparatus |
| 10/05/1999 | CA2169657C Process for restoring soils contaminated by hydrocarbons and other biodegradable substances |
| 09/30/1999 | WO1999048823A1 Growth bodies for immobilizing microorganisms |
| 09/30/1999 | DE19813255A1 Waste water treatment for increasing oxygen take-up in biological process |
| 09/30/1999 | DE19813022A1 Aufwuchskörper zur Immobilisierung von Mikroorganismen A culture medium for the immobilization of microorganisms |
| 09/29/1999 | EP0945408A1 Process for removing polyamine chelating agents from aqueous solutions |
| 09/29/1999 | EP0945407A1 Process for water treatment in distinct lines |
| 09/29/1999 | EP0945406A1 Tank with submerged bodies and backwash means for biological treatment of waste water |
| 09/29/1999 | EP0944732A1 Method and apparatus for measuring use of a substrate in a microbially catalysed reaction |
| 09/29/1999 | EP0944554A1 Process and device for the biological purification of sewage |
| 09/29/1999 | EP0944553A1 Bioreactor |
| 09/29/1999 | EP0944442A1 In-situ remediation of contaminated soils |
| 09/29/1999 | EP0513352B1 Method of cleaning soil water |
| 09/29/1999 | CN2340770Y Purifier for living waste water |
| 09/29/1999 | CN2340769Y Vibration aerator |
| 09/29/1999 | CN1230162A Liquid effluent treatment plant and process |
| 09/29/1999 | CN1229768A Apparatus and method for treating sewage and wastewater biologically |
| 09/28/1999 | US5958758 Adding sulfide utilizing bacteria to sulfide-rich animal waste, then later adding organic digesting bacteria; reducing the sulfide content and enhancing efficient degradation of hog and cattle waste without significant odor |
| 09/28/1999 | US5958757 Pollution contol by efficiently biooxidizing chloroform, bromoform, chloroethane, 1,2-dichloroethane, 1,2-dibromoethane, and bromoethane using aromatic oxygenase (oxidoreductase) produced by microorganism |
| 09/28/1999 | US5958241 Waste treatment and minimization system |
| 09/28/1999 | US5958239 Multi-level septic drainfields |
| 09/28/1999 | US5958238 Feeding to anerobic digestion system; converting to sulfide; circulating effluent; removing sulfide; converting sulfide to sulfur |
| 09/28/1999 | CA2090138C Process for treating plant life blocking water circuits for paper-making systems and that are bacteria-based |
| 09/23/1999 | WO1999047459A1 Liquid effluent treatment process and plant |
| 09/23/1999 | WO1999047233A1 Improvements to solid-liquid separating equipment in particular for biological purification of waste water |
| 09/23/1999 | WO1999037586A3 Process for oxidative regeneration of supports colonised with bacteria and used in the biological treatment of contaminated water |
| 09/23/1999 | DE19821577A1 Waste water biological treatment process has carpet of hanging fibers |
| 09/23/1999 | DE19812397A1 Small-scale waste water biological treatment plant |
| 09/23/1999 | CA2323620A1 Liquid effluent treatment process and plant |
| 09/23/1999 | CA2323143A1 Improvements to solid-liquid separating equipment in particular for biological purification of waste water |
| 09/22/1999 | CN2339573Y Improved diaphragm type micro-hole areation device |
| 09/22/1999 | CN2339572Y Dynamic aeration device |
| 09/22/1999 | CN2339571Y Suspension type micro-hole aeration device |
| 09/22/1999 | CN1229403A Multi-phase dual cycle sewage treatment process |
| 09/22/1999 | CN1229402A Waste water treatment plant |
| 09/22/1999 | CN1045156C Method for treatment of potato fruit water |
| 09/21/1999 | US5955350 Sequential biological/chemical/biological treatment of organic waste |
| 09/21/1999 | US5954963 Process for biologically treating water |
| 09/21/1999 | US5954953 Apparatus for treating wastewater |
| 09/21/1999 | US5954868 Method and composition for enhanced bioremediation of oil |
| 09/21/1999 | CA2095887C Bubbling system |
| 09/16/1999 | WO1999046210A1 Method and composition for enhanced bioremediation of oil |
| 09/16/1999 | WO1999046209A1 Method of carrying out a bioreaction |
| 09/15/1999 | EP0941969A1 Devices processing water using tourmaline composite grains |
| 09/15/1999 | EP0941306A1 Methods and apparatus for enhancement of mass transfer of a fluid in a porous matrix system containing biomass |
| 09/15/1999 | EP0851843A4 Subsurface remediation method and apparatus |
| 09/15/1999 | EP0830317A4 Effluent treatment system |
| 09/15/1999 | CN2338338Y Micro-algae waste water treatment equipment |
| 09/15/1999 | CN2338337Y Biochemical treatment equipment for removing pollutant |
| 09/14/1999 | US5951867 Method for vacuum aeration of septic tanks to provide low pressure microbubbles |
| 09/14/1999 | US5951866 Cold climate wetland waste water treatment system |
| 09/14/1999 | US5951860 Apparatus and method for treating wastewater |
| 09/14/1999 | CA2087607C Bioreactor |
| 09/14/1999 | CA2005029C Method for reducing the buildup of slime and film in plant |
| 09/10/1999 | WO1999044951A1 Surge anoxic mix sequencing batch reactor systems |
| 09/10/1999 | WO1999044950A1 Method and apparatus for treating waste water |
| 09/10/1999 | WO1999044730A1 Dual diffuser assembly |
| 09/10/1999 | WO1999028245A3 An apparatus for applying alternating anaerobic contact processing for the treatment of wastewater |
| 09/10/1999 | WO1999026882A3 Method and device for purifying waste water |
| 09/10/1999 | CA2321828A1 Dual diffuser assembly |
| 09/10/1999 | CA2303020A1 Method and apparatus for treating waste water |
| 09/09/1999 | DE19808192A1 Diisopropylfluorophosphatase sowie deren Verwendung und Herstellung Diisopropyl fluorophosphatase and their use and production |
| 09/08/1999 | EP0940371A2 Membrane aeration apparatus having small holes and perforator for membrane perforation |
| 09/08/1999 | EP0785911B1 Biological waste fluid cleaner |
| 09/08/1999 | CN2337139Y Aeration disk using on aerator |
| 09/08/1999 | CN2337138Y Domestic living sewage treatment apparatus |
| 09/08/1999 | CN1228118A Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 09/08/1999 | CN1228064A Method and apparatus for treating wastewater |
| 09/08/1999 | CN1228035A Hollow fiber membrane module, hollow fiber membrane module unit using same, and septic tank provided with module unit |
| 09/08/1999 | CN1228008A Automated closed recirculating aquaculture filtration system |
| 09/08/1999 | CN1044999C Comprehensive processing method of tannery waste water |
| 09/07/1999 | US5948326 Device and process for liquid treatment |
| 09/07/1999 | US5948262 Waste water treatment, media therefor and its manufacture |
| 09/07/1999 | US5948261 The invention provides for a truly aerobic environment under which thermophilic microorganisms will thrive. |
| 09/07/1999 | US5948260 Wastewater treatment for removal of ammonium perchlorate;decomposition using microorganisms |
| 09/07/1999 | US5947041 Method for using tree crops as pollutant control |
| 09/07/1999 | CA2178137C Sulfide-oxidizing bacteria and process therewith |
| 09/07/1999 | CA2167514C Apparatus and method for monitoring biological activity in wastewater and controlling the treatment thereof |
| 09/07/1999 | CA2108373C Secondary sewage treatment system |
| 09/07/1999 | CA2072259C Method of fractionizing molecular clusters of water, solution containing water-soluble minerals for use in said fractionization, and method of preparing said solution |
| 09/07/1999 | CA2056183C Process for the degradation of greases and greasy waste |
| 09/02/1999 | WO1999043791A2 Diisopropyl fluorophosphatase and the utilization and production thereof |
| 09/02/1999 | WO1999043623A1 Waste treatment system |
| 09/02/1999 | WO1999043622A1 Method and device for treating aqueous flows in a bioreactor, an ultrafiltration unit and a membrane filtration unit |