| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
|---|
| 08/08/1996 | WO1996023731A1 Method for utilising tyres to clean and/or fertilise water |
| 08/08/1996 | CA2212045A1 Method for utilising tyres to clean and/or fertilise water |
| 08/07/1996 | EP0725042A1 Method for the treatment of aqueous effluents using biofilters or other fixed-biomass devices |
| 08/07/1996 | EP0725041A1 Clarification plant |
| 08/07/1996 | CN2232440Y Pipe network filling |
| 08/06/1996 | US5543324 Bacteria mixture |
| 08/06/1996 | US5543317 Gene which encodes a polypeptide |
| 08/06/1996 | US5543309 Degrading sewage |
| 08/06/1996 | US5543052 Aerobic microorganism capable of metabolizing organic material |
| 08/06/1996 | US5543051 Biological phosphorus removal from waste water |
| 08/06/1996 | US5543050 Anaerobically and aerobically biodegrading, then composting dewatered solid waste and discharging clarifying wastewater; water and landfill pollution control |
| 08/06/1996 | US5543049 Microbial mediated water treatment |
| 08/06/1996 | US5543039 Reactor for purification of water |
| 08/01/1996 | DE19502856A1 Waste water treatment plant producing more methane and less sludge |
| 08/01/1996 | DE19502615A1 Fluidised bed purificn. of fluid on substrate suspended by upward flow |
| 07/31/1996 | EP0723939A1 Excreta deodorization method and apparatus |
| 07/31/1996 | CN2232037Y Elastic half-soft mixed three-dimensional filling |
| 07/31/1996 | CN1127727A 水处理装置 Water treatment plant |
| 07/31/1996 | CN1032421C Apparatus for culturing photosynthetic bacteria to treat organic waste water |
| 07/30/1996 | US5541096 Photocatalyst and process for purifying water with same |
| 07/30/1996 | US5540840 Use of fluidized bed reactors for treatment of wastes containing organic nitrogen compounds |
| 07/30/1996 | US5540839 By subjecting alternatively and cyclicallyto stages of mesophilic and thermophilic digestion |
| 07/30/1996 | US5540836 Wastewater treatment system and method |
| 07/25/1996 | WO1996022252A1 Process for reducing excessive slime deposits in water circuits |
| 07/25/1996 | WO1996022250A1 Apparatus for producing air saturated water |
| 07/25/1996 | WO1996022248A1 Apparatus for producing air-saturated water |
| 07/25/1996 | WO1996009990A3 Process for aerobic high-performance pressurized highly dynamic waste water purification, and device for carrying out this process |
| 07/25/1996 | DE19502123A1 Water clarification plant with fixed bed |
| 07/24/1996 | EP0722906A1 Improved dephosphatization treatment for waste water |
| 07/24/1996 | EP0722771A1 Method of distributing a liquid in a fluid bed reactor and fluid bed particles for use in carrying out the method |
| 07/24/1996 | EP0722555A1 Diffuser conduit joint |
| 07/24/1996 | EP0722426A1 Fluid diffuser |
| 07/24/1996 | CN1127500A Monitoring biological activity in wastewater |
| 07/24/1996 | CN1127225A Biological treating method for micro quantity organic pollutant in water source |
| 07/24/1996 | CN1127224A Apparatus and method for waste water treatment utilizing aerobic and anaerobic microorganisms and capable of exhaust gas treatment |
| 07/23/1996 | US5538645 Demetallization of saccharomyces solutions by biosorption after treatment a water soluble aldehyde for crosslinking then stripping |
| 07/23/1996 | US5538636 Oxidation of wastes in water for purification |
| 07/23/1996 | US5538635 Method for dissolving gas in liquid including pressurized bubble contactor in sidestream |
| 07/23/1996 | US5538529 Bioconverted nutrient rich humus |
| 07/21/1996 | CA2167649A1 Improved effluent phosphate removal process |
| 07/18/1996 | WO1996021625A1 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide |
| 07/17/1996 | EP0721499A1 Method for the rehabilitation of soil contaminated by hydrocarbons and other biodegradable substances |
| 07/17/1996 | EP0561887B1 Improved waste water treatment |
| 07/17/1996 | CN1126958A Process and device for separating suspended substances from fluids |
| 07/17/1996 | CN1126629A Method for washing floating filtering material for biological filtering apparatus |
| 07/16/1996 | US5536420 Vertical drainage drying bed for waste sludge and an intensified method of treating wastewater |
| 07/16/1996 | US5536410 Method for preventing activated sludge from losing its settling ability |
| 07/16/1996 | US5536407 Nitrification and denitrification wastewater treatment process |
| 07/11/1996 | WO1996020797A1 Biotechnological purification of ground and water containing heavy metals |
| 07/10/1996 | EP0720974A1 Bacterial preparation and its use for treating wastes of biological origin |
| 07/10/1996 | EP0720590A1 Rotating biological filter system |
| 07/10/1996 | EP0676989B1 Reactor for purifying contaminated solids |
| 07/10/1996 | CA2166846A1 Bacterial complexes and their uses for the treatment of biologically originating residues |
| 07/09/1996 | US5534148 Process for treating photographic waste solution |
| 07/09/1996 | US5534147 Improved septic system |
| 07/09/1996 | US5534143 Microbubble generator for the transfer of oxygen to microbial inocula, and microbubble generator immobilized cell reactor |
| 07/09/1996 | US5534141 Wastewater treatment system with in-pond clarifier |
| 07/04/1996 | WO1996020138A1 Method and apparatus for the treatment of concentrated wastewater |
| 07/04/1996 | CA2208847A1 Method and apparatus for the treatment of concentrated wastewater |
| 07/03/1996 | EP0719732A2 Sewage respiration inhibition |
| 07/03/1996 | EP0719239A1 Mixed liquor wasting system and method |
| 07/03/1996 | CN2230316Y Oxidation slotted-disk-type aeration device |
| 07/02/1996 | US5531898 Enzymes, bacillus and pseudomonas |
| 07/02/1996 | US5531897 Dynamic bed reactor |
| 07/02/1996 | US5531896 Process for disposing of waste water |
| 07/02/1996 | US5531894 Method of treating wastewater |
| 06/27/1996 | WO1996019108A1 A device for purifying water by means of water fleas |
| 06/27/1996 | WO1996011071A3 Parts washing system |
| 06/27/1996 | DE19512907C1 Purificn. of water, e.g. from sewers |
| 06/27/1996 | CA2208127A1 A device for purifying water by means of water fleas |
| 06/26/1996 | EP0718240A1 Filler body and method of production |
| 06/26/1996 | CN2229924Y Combination equipment with attached biochemical trickle filtering trough |
| 06/26/1996 | CN2229833Y Rotary bed mass transfer reactor for liquid-gas phase with thin wall concentric ring packings |
| 06/26/1996 | CN1125432A Process for purifying sulphide-containing waste water |
| 06/25/1996 | US5529693 Method and apparatus for treating water containing organic sulfur compounds |
| 06/25/1996 | US5529692 Method and apparatus for anaerobic biological hydrolysis and for subsequent biomethanization |
| 06/25/1996 | US5528856 Biomass impoundment management system for purifying water |
| 06/20/1996 | WO1996018581A1 Purifying apparatus |
| 06/20/1996 | DE4444462A1 Anaerobic digestion of organic material |
| 06/20/1996 | DE4444335A1 Method and compact appts. for biological sewage treatment |
| 06/20/1996 | DE4442002A1 Determn. of available carbon in waste-water treatment unit |
| 06/19/1996 | EP0717009A1 Water treatment process and apparatus |
| 06/19/1996 | EP0675982B1 Method of disposing of excess sludge |
| 06/19/1996 | CN2229450Y Internal circulation three phase biological fluidized bed |
| 06/19/1996 | CN1124932A Method and apparatus for separating solids from a liquid |
| 06/18/1996 | US5527475 Method for determining the parameters of a gas-liquid contact apparatus |
| 06/18/1996 | US5527465 Method for preventing erosion in headworks of waste water treatment facilities |
| 06/18/1996 | US5527464 Method and system for the treatment and utilization of waste products |
| 06/18/1996 | US5527455 Fluidized bed biological filter system for fish tanks |
| 06/18/1996 | US5527454 Mechanical ventilation system to capture gases released from wastewater passing through rock media trickling filters |
| 06/18/1996 | US5527453 Apparatus for treating dirty water aerated by solar powered compressor |
| 06/18/1996 | CA2086268C Gas dissolution |
| 06/14/1996 | CA2163315A1 Sewage respiration inhibition |
| 06/13/1996 | WO1996017632A1 Biofilm avoidance and removal process and composition |
| 06/13/1996 | WO1996011045A3 Fluidized bed filter |
| 06/13/1996 | DE19513220C1 Solid bed filter support |
| 06/13/1996 | CA2203436A1 Composition and process for the avoidance of slime formation and/or for the removal of biofilm in water-bearing systems |
| 06/12/1996 | EP0715608A1 Method of incinerating sludge resulting from waste-water treatment |
| 06/12/1996 | EP0715607A1 Device for purifying waste water or ground water |
| 06/12/1996 | CN2228909Y Non-power-loss organic sewage treatment apparatus |