| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/26/2000 | CA2047199C Lubricant and use thereof |
| 09/21/2000 | DE19912109A1 Verfahren zum Reinigen, Entkeimen u. Anreichern von Wasser mit Sauerstoff A method of cleaning, disinfection and. Enriching water with oxygen |
| 09/20/2000 | EP1036768A1 Process to clean, disinfect and enrich wastewater with oxygen |
| 09/20/2000 | EP1035874A1 Water sterilization system incorporating ultrasonic device |
| 09/20/2000 | CN2397109Y Combined pressure ultrafiltering biological reactor |
| 09/20/2000 | CN1266823A Oligodynamic equipment for treating household sewage |
| 09/19/2000 | US6121507 Method for treating wastewater containing hazardous matter using electron beam irradiation |
| 09/19/2000 | US6120812 Treating foodstuff or locus of foodstuff with bacterially-effect amount of iodinated ice containing dissolved molecular iodine and hypoiodous acid, which is made by dissolving solid iodine into water without potassium iodide as solubilizer |
| 09/19/2000 | US6120691 Water purification system |
| 09/19/2000 | US6120686 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water |
| 09/19/2000 | US6120685 Water filtering system with replaceable cartridge for a refrigerator |
| 09/19/2000 | US6120582 Process for treating the scrubbing water from the gas scrubbing process in an iron ore reduction plant |
| 09/13/2000 | CN2396043Y Apparatus for minerallizing and activating drinking water |
| 09/13/2000 | CN2396042Y Apparatus for preparing warm, hot or ice purified water with running water |
| 09/13/2000 | CN2396041Y Running water purifier for automatically producing warm, hot or ice purified water |
| 09/13/2000 | CN1266026A Water quality depth treatment process |
| 09/12/2000 | US6117333 Removal of hydrocarbons, mercury and arsenic from oil-field produced water |
| 09/12/2000 | US6117324 Flushing animal waste from animal confinement area to treatment chamber, said waste being flushed with water forming waste solution, contacting animal waste solution with gas comprising ozone, separating solids, feeding waste to biobasin |
| 09/12/2000 | US6117314 Apparatus for removing metal compounds from waste material |
| 09/12/2000 | CA2126254C Process for treatment of a fluid and apparatus therefor |
| 09/08/2000 | WO2000051705A1 Methods and devices for preparing hemodialysis solutions |
| 09/08/2000 | WO2000051704A1 Apparatus and method for preparation of a peritoneal dialysis solution |
| 09/08/2000 | WO2000051701A2 Improved water purification pack |
| 09/07/2000 | DE19911443A1 Purification of domestic drinking water by the combined application of ultraviolet radiation and ozone |
| 09/07/2000 | DE19909160A1 Treatment of sludge dredged from harbors with water containing dissolved ozone |
| 09/06/2000 | CN1056126C Treatment of highly colored wastewater |
| 09/05/2000 | US6113797 Pretreatment to remove suspended materials, adding acid and antiscaling agent, then pressurized passage through reverse osmosis membrane, mixing water having osmosis concentrated impurities with purified water and repeating reverse osmosis |
| 09/05/2000 | US6113779 Chamber containing spaced apart ion-producing electrodes (plasma-fused iridium coated titanium and/or copper, zinc, aluminum alloy) arranged so that incoming water will flow around electrodes |
| 09/05/2000 | US6113744 Water distillation apparatus |
| 09/05/2000 | CA2084821C Ground contamination remediation process and apparatus |
| 09/04/2000 | CA2265235A1 Multimedia backwashable filtration system |
| 08/30/2000 | CN1265046A Method and appts. for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 08/29/2000 | US6110379 Method for treating water containing sulfate |
| 08/29/2000 | US6110375 Process for purifying water |
| 08/24/2000 | WO2000048951A1 Poultry processing water recovery and re-use process |
| 08/24/2000 | WO2000048950A1 Improvements to purification of effluents with activated sludge |
| 08/24/2000 | WO2000048943A1 Reverse osmosis system with biological contamination prevention |
| 08/24/2000 | DE19958621A1 Grey water treatment unit renders household effluent suitable for re-use in non-potable household applications |
| 08/24/2000 | DE19907056A1 System zur Aufbereitung von Trinkwasser System for the treatment of drinking water |
| 08/23/2000 | EP1029825A2 System of treating drinking water |
| 08/23/2000 | EP1028845A1 System for extracting soluble heavy metals from liquid solutions |
| 08/23/2000 | EP0696258B1 Water purification unit |
| 08/23/2000 | CN1055671C Method for treating waste water from chlorhydrin biology and containing organic chlorid compound |
| 08/22/2000 | US6106731 System and method for ozonating water for animal houses |
| 08/22/2000 | US6106725 Point-of-use removal of lead and copper in drinking water using hydroxylapatite and carbonate minerals |
| 08/22/2000 | US6106716 System for purification of domestic household effluent |
| 08/22/2000 | US6106705 Water treatment device with volumetric and time monitoring features |
| 08/22/2000 | US6106703 Waste treatment system |
| 08/22/2000 | US6106667 Treatment of recycled bleach plant filtrates |
| 08/17/2000 | WO2000028553A3 Method for disposing of metal cations |
| 08/17/2000 | DE19905600A1 Wasserfiltervorrichtung mit Kochkanne Water filter device with kettle |
| 08/16/2000 | EP1028090A1 Water filtration apparatus with kettle |
| 08/16/2000 | EP1027295A1 Purification system for dry cleaning separator waste water |
| 08/16/2000 | EP1027136A1 Fluid purification devices and methods employing deionization followed by ionization followed by deionization |
| 08/15/2000 | US6103092 Method for reducing metal ion concentration in brine solution |
| 08/15/2000 | CA2155742C Detergent-free washing water, method and apparatus for making the washing water, and water/oil separation method for separating matters emulsified with the washing water into water and oil phases |
| 08/11/2000 | CA2298079A1 Water filter device with boiling jug |
| 08/10/2000 | WO2000046160A1 Equipment for purifying residual waters from horticulture and pomology centers and in situ phytosanitary treatment |
| 08/10/2000 | WO2000046157A1 Method for fixing fluorine and phosphorus in waste water containing fluorophosphoric acid-derived compound to remove them |
| 08/10/2000 | DE19905301A1 Recovery of biodegradable surfactant-containing water from vehicle or other washing plant with prevention of impurities concentrating by having recycling units connected to individual stages and by adding fresh water |
| 08/10/2000 | DE19903508C1 Process to soften and sterilize water with steam, minimizes accumulation of saline blockages in geological storage facility for natural gas |
| 08/09/2000 | EP1025051A1 Process for removing selenium from refinery process water and wastewater streams |
| 08/09/2000 | EP1025050A1 Biodegradable complexing agents for heavy metals |
| 08/09/2000 | CN2390878Y Household water secondary useage treatment apparatus |
| 08/09/2000 | CN2390527Y Multi-function drinker |
| 08/09/2000 | CN1262241A Process for treating sewage in urban area |
| 08/09/2000 | CN1262240A Process for treating sewage in urban area |
| 08/08/2000 | US6100600 Maritime power plant system with processes for producing, storing and consuming regenerative energy |
| 08/08/2000 | US6099735 Counter top reverse osmosis water purification system |
| 08/03/2000 | DE19904493A1 Plant for purifying waters and sludges includes main electron-beam reactor tank with air-cooled window from which ozone is fed to pre- and post-reaction stages to break contaminants down completely, with high energy efficiency |
| 08/02/2000 | EP1024116A2 Water purifying and dispensing apparatus and method of purifying chlorine-containing water |
| 08/01/2000 | US6096223 Method for treating metal contaminated water |
| 08/01/2000 | US6096219 Method and apparatus for pretreatment of hazardous waste material |
| 08/01/2000 | US6096206 Comprising at least an original water storing and feeding device, a filter device, a softening device, a deodorising device, a film filter device, a collecting and reacting device, an ozone sterilizing device |
| 08/01/2000 | US6096185 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 07/26/2000 | EP1022349A1 Method for removing metals from a citric acid cleaning solution |
| 07/26/2000 | EP1021379A1 Water purifying and dispensing apparatus |
| 07/25/2000 | US6093312 Ice dispenser with an air-cooled bin |
| 07/20/2000 | WO2000041972A1 Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse osmosis |
| 07/20/2000 | DE19900805A1 Production of ultra-pure water in semiconductor plants comprises varying final degree of purity to suit various processes |
| 07/20/2000 | CA2359464A1 Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse osmosis |
| 07/19/2000 | EP1020235A1 Device and method for the maintenance of treatment baths in cleaning installations |
| 07/19/2000 | EP1019331A1 Treatment plant with self-supporting modular structure |
| 07/19/2000 | CN2388197Y High-turbidity water purifying apparatus |
| 07/19/2000 | CN2388196Y High-turbidity water purifying apparatus |
| 07/18/2000 | US6090281 Beverage storage and dispensing container |
| 07/18/2000 | CA2102882C Process for removal of suspended solids from pulp and paper mill effluents |
| 07/13/2000 | WO2000040514A1 Method for abating the content of undesirable organic compounds in industrial waste effluents for recycling |
| 07/13/2000 | DE19845808C1 Verfahren und Vorrichtung zur biologischen Reinigung von Abwasser Method and apparatus for the biological purification of waste water |
| 07/12/2000 | EP1018489A2 Method for treating waste water |
| 07/12/2000 | EP1017637A1 Apparatus and method for oxidizing undigested wastewater sludges |
| 07/12/2000 | EP1017628A2 Water treatment system having dosing control |
| 07/12/2000 | EP0915059A4 Process for the electrochemically controlled absorption of soluble organic substances and of heavy metal ions extracted from aqueous solutions, and corresponding apparatus |
| 07/12/2000 | CN1259491A City sewage treatment technology |
| 07/11/2000 | US6086754 Dispensing apparatus having an improved filter unit |
| 07/11/2000 | US6085540 Method and apparatus for disinfecting a water cooler reservoir |
| 07/06/2000 | WO2000039035A1 Process for the treatment of waste water containing heavy metals |
| 07/06/2000 | WO2000038815A1 Method and apparatus for disinfecting a water cooler reservoir |
| 07/06/2000 | WO2000038814A1 Treated water dispensing system |
| 07/06/2000 | CA2391827A1 Method and apparatus for disinfecting a water cooler reservoir |