| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/10/1995 | DE4403589A1 Disposal of organic waste, esp. food |
| 08/10/1995 | CA2182802A1 Water treatment method and apparatus |
| 08/10/1995 | CA2181912A1 Biodegradation of methanesulfonic acid |
| 08/09/1995 | EP0666316A2 Method for obtaining organic solvent-resistant microorganisms and organic solvent-resistant microorganisms obtainable by the method |
| 08/09/1995 | EP0666311A1 Process and apparatus for the bubble-free aeration of microorganisms |
| 08/09/1995 | EP0665819A1 Odour controlled waste water treatment system |
| 08/09/1995 | EP0665818A1 Open-pore bulk mineral materials containing microorganisms, and the manufacture and use of such materials |
| 08/09/1995 | EP0525166B1 Composition and methods for removing or preventing biofilm |
| 08/09/1995 | EP0495019B1 Sanitation system |
| 08/08/1995 | US5439858 Mixing heated water with saponified polyvinyl alcohol to form gel particles, then coating particles with mixture of finely ground charcoal and water |
| 08/08/1995 | US5439590 Adding rubber derived from tires as sorbent to reduce concentration of waste material, biodegrading waste material, sorbent desorbing waste as waste in solution is degraded |
| 08/08/1995 | CA1336623C Aqueous stream treatment process |
| 08/03/1995 | DE4403280A1 Bio-film process for denitrification of waste water |
| 08/03/1995 | DE4402566A1 Foul water gasified by high speed gas lance jet extending from surface to base of holding tank |
| 08/02/1995 | EP0664772A1 A method and a device for aerating waste water. |
| 08/01/1995 | US5437786 Stormwater treatment system/apparatus |
| 08/01/1995 | US5437785 Apparatus for dissolved gas flotation in anaerobic wastewater treatment |
| 08/01/1995 | US5437776 Process for reducing the phosphorus content of waste water |
| 07/27/1995 | WO1995019938A1 Wastewater treatment process |
| 07/27/1995 | DE4445096A1 Prevention of contaminant settling in micro-biological oxidn. of aq. slurries |
| 07/26/1995 | CN1105649A Porous material for water treatment |
| 07/25/1995 | US5435914 Clarifying arrangement for waste water |
| 07/20/1995 | WO1995019440A1 Enzyme based bioremediation |
| 07/20/1995 | WO1995019425A1 Bacterial strains of genus bacillus closely phenotypically related to genus lactobacillus, culture method and use |
| 07/20/1995 | WO1995019322A1 Counterflow microbiological processes |
| 07/20/1995 | WO1995019213A1 Effluent treatment process and apparatus |
| 07/20/1995 | DE4400780A1 Water treatment basin |
| 07/20/1995 | CA2180934A1 Enzyme based bioremediation |
| 07/19/1995 | EP0662930A1 Floating media biofilter |
| 07/18/1995 | US5433854 Sewage treatment, deodorizing, preventing formation of slime film, blanketing liquid with ozone/air mixture |
| 07/18/1995 | US5433846 Grease-trap wastewater treatment system |
| 07/13/1995 | WO1995018769A1 Process for the wet-oxidising treatment of organic pollutants in waste water |
| 07/13/1995 | DE4400505A1 Improvement of water quality by aeration |
| 07/13/1995 | CA2180563A1 Process for the wet-oxidising treatment of organic pollutants in waste water |
| 07/12/1995 | EP0624077A4 Magnetically modification of organism metabolism. |
| 07/12/1995 | CN2203298Y Deep pneumatic type aerator |
| 07/12/1995 | CN2203297Y Micropore aerator for melt spinning |
| 07/11/1995 | US5431820 Method for treating liquid waste after pulp bleaching |
| 07/11/1995 | US5431808 Device for odor filtering of exhaust air from waste water treatment |
| 07/11/1995 | US5430979 Structure clad with tensioned cladding membrane |
| 07/11/1995 | US5430925 Biofilm support media assembly method |
| 07/06/1995 | WO1995018072A1 Two-phase anaerobic digestion of carbonaceous organic materials |
| 07/06/1995 | WO1995018071A1 Waste water treatment plant with immersed bodies |
| 07/06/1995 | DE4400149A1 Domestic liquid effluent treated within in-house linked three-tank battery |
| 07/05/1995 | EP0661239A1 Improved process of anaerobic digestion of liquid effluents |
| 07/05/1995 | EP0661238A1 Process and apparatus for the disposal of biomass |
| 07/04/1995 | US5429942 Biological treatment and cultivation of microorganisms |
| 07/04/1995 | US5429740 Device for the purification of waste water |
| 07/04/1995 | CA1336214C Contact material and manufacture thereof |
| 07/04/1995 | CA1336213C Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles |
| 06/29/1995 | WO1995017351A1 Wastewater treatment |
| 06/29/1995 | DE4342375A1 Gasifier esp. aerator for waste water aeration system |
| 06/28/1995 | EP0659696A1 Process for purification of waste water originating from composting |
| 06/28/1995 | EP0659695A1 Method and apparatus for conditioning sewage sludge |
| 06/28/1995 | EP0659694A1 Membrane bioreactor with gas lift system |
| 06/28/1995 | EP0659450A1 Process for decomposing a chloroorganic compound and for remedying environment with microorganisms |
| 06/28/1995 | EP0659169A1 Improvements in processes for the alkaline biodegradation of organic impurities |
| 06/28/1995 | CN1029114C Method for treatment of waste liquid from small paper-pulp mill |
| 06/28/1995 | CN1029113C Method for treatment of waste water by using solidified large edible fungus hypha |
| 06/27/1995 | US5427945 White-rot fungus and uses thereof |
| 06/27/1995 | US5427944 Bioremediation of polycyclic aromatic hydrocarbon-contaminated soil |
| 06/27/1995 | US5427679 Septic system filter assembly, filter arrangement |
| 06/22/1995 | WO1995016514A1 Gas-introduction device |
| 06/22/1995 | CA2138635A1 Process for reducing the pollutant content and for reducing the ammonium content and the cod and bod5 values in waste water from composting |
| 06/21/1995 | EP0658516A1 Biodegradation process for treating organic waste water |
| 06/21/1995 | EP0658515A2 Process for removing the oil pollution from liquids, particularly from water |
| 06/21/1995 | EP0658304A1 Aquarium filter |
| 06/21/1995 | EP0570368B1 Fermentation apparatus and method |
| 06/21/1995 | CN1103852A Bag type biochemical reactor and organic wastewater treatment by using same |
| 06/20/1995 | US5425874 Rotating contactor including cross flow media for the biological treatment of waste water |
| 06/20/1995 | CA1336019C Organic waste treatment system and method |
| 06/17/1995 | CA2138233A1 Biodegradation process for treating organic wastewater |
| 06/15/1995 | WO1995015924A1 Composition and method for sewage treatment using fungal and bacterial enzymes |
| 06/15/1995 | WO1995015788A1 Process and agent for the decontamination by means of micro-organisms |
| 06/15/1995 | CA2178344A1 Composition and method for sewage treatment using fungal and bacterial enzymes |
| 06/14/1995 | EP0657389A1 Method and apparatus for the biological purification of water |
| 06/14/1995 | EP0603316B1 Method and system for biologically removing nitrogen from wastewater |
| 06/14/1995 | EP0577714B1 Device and method for biologically treating fluids to be decontaminated |
| 06/14/1995 | EP0574495B1 Method for cleaning of heat exchangers |
| 06/14/1995 | DE4407216C1 Nitrification and elimination of nitrogen, esp. from waste water |
| 06/14/1995 | DE4337228C1 Treating multi-phase mixt. of waste-water |
| 06/14/1995 | DE4318337C1 Decontamination of liq. to convert phenol(s) and derivs. to e.g., humus-like prod. |
| 06/14/1995 | CN2200633Y Compound filling |
| 06/14/1995 | CN1103629A Saccharomycete method for treating waste water from antibiotic production and reusing waste material |
| 06/13/1995 | US5423988 Connected tanks for mixing, aeration, adding bacteria, biodegradation and settling of aqueous mixtures of sludge and other impurities |
| 06/13/1995 | US5423978 Rotating biologic aquarium filter system |
| 06/10/1995 | CA2137754A1 Membrane bioreactor system for treating contaminated water from a cleaning system |
| 06/09/1995 | CA2139519A1 Process and apparatus for the biological purification of water |
| 06/08/1995 | DE4443266A1 Bio=decontaminating organic harmful substances in solids or liqs. |
| 06/07/1995 | EP0656323A1 Process for controlling the respiration activity of microorganisms in an activated sludge process in waste water treatment |
| 06/07/1995 | EP0656322A1 Purification system |
| 06/07/1995 | EP0655987A1 Filler block |
| 06/06/1995 | US5422020 Floor jets for air integrated into the floor jets for liquid so flow rate of water is less then the ascent of gas bubbles; countercurrent flow; stability |
| 06/06/1995 | US5422003 Gas-liquid separation flow rate regulator in sewage disposal tank |
| 06/06/1995 | US5422002 Treatment of water to remove gas vacuolate cyanobacteria |
| 06/06/1995 | US5421999 Floating nitrification reactor in a treatment pond |
| 06/06/1995 | US5421995 Sludge blanket level detector suspended from floating decanter |
| 06/01/1995 | WO1995014639A1 Process for the treatment of waste water containing organic and inorganic compounds |
| 06/01/1995 | WO1995014368A2 A method for the complex purification of waste solutions |
| 06/01/1995 | DE4340058A1 Cleaning method for degreasing baths using micro-organisms |