Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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08/31/2000 | WO2000013767A9 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids |
08/31/2000 | DE19963410A1 New symbiotic microbial association of manganese-oxidizing bacteria and algae useful for recovery of manganese from manganese-containing waters |
08/31/2000 | DE19907840A1 Light liquid separator for separating oil from water has a shut-off valve controlled by the level in the separation chamber and a shut-off valve controlled by the level in the light liquid tank |
08/31/2000 | DE19907839A1 Double vortex process aerates effluent water in a biological water treatment process maximizing removal of water impurities |
08/31/2000 | CA2364247A1 Water purification |
08/30/2000 | EP1031646A2 Method for producing a mixed oxidant gas |
08/30/2000 | EP1031645A1 Electrolysis cell with a bipolar electrode |
08/30/2000 | EP1031539A1 Water purifier |
08/30/2000 | EP1030933A1 Analysis of nicked dna by matched ion polynucleotide chromatography |
08/30/2000 | CN2393868Y Bioreactor with pressure membrane for filtering drained water |
08/30/2000 | CN2393867Y Self cleaning sterilizer for water tank |
08/30/2000 | CN2393866Y Disinfecting filter net for water activating treatment |
08/30/2000 | CN2393865Y Water saving purifier with twin barrel reverse osmosis |
08/30/2000 | CN2393864Y Household water softening device |
08/30/2000 | CN2393863Y Water activating and purifying apparatus |
08/30/2000 | CN2393862Y Unblocked releaser for solutizing gases into water |
08/30/2000 | CN2393861Y Composite impeller floatation machines |
08/30/2000 | CN2393625Y Multifunctional water purifier |
08/30/2000 | CN2393540Y Active healthy water generator |
08/30/2000 | CN1265046A Method and appts. for recovery of water and slurry abrasives used for chemical and mechanical planarization |
08/30/2000 | CN1264682A Process for preparing calcium-supplementing drinking water |
08/30/2000 | CN1264613A Hollow cortina assembly and membrane separating device |
08/30/2000 | CN1264607A Water quality purifier |
08/30/2000 | CN1055904C Method and appts. for generation of electrolyte |
08/30/2000 | CN1055903C Tech. for treatment of waste liquid containing cyanogen by ion exchange method |
08/30/2000 | CN1055902C Waste water processing method for prodn. of nitrobenzene and nitro-chlorobenzene |
08/29/2000 | US6110981 Cocondensing spray-dry process-generated oil and water to obtain condensed oil and condensed water; separating condensed oil from said condensed water |
08/29/2000 | US6110452 Methods and compositions for controlling biofouling using polyglycol fatty acid esters |
08/29/2000 | US6110424 Hand-held ultraviolet water purification system |
08/29/2000 | US6110423 Pulsed electric field applied across first and second electrode and through insulator pinch |
08/29/2000 | US6110387 Sanitizing body of water by introducing into sulfamate source, from sulfamic acid or water-soluble sulfamate salt and bromide salt; adding oxidant to maintain available bromine concentration about |
08/29/2000 | US6110385 Oxidizing first waste stream containing benzene, toluene, xylene, ethylbenzene to produce second waste stream containing portion of volatile compounds, and volatilizing volatile compounds in second waste stream to produce final waste stream |
08/29/2000 | US6110382 Automated effluence conditioning and treatment |
08/29/2000 | US6110381 Treatment for inhibiting microbial adhesion on surfaces in contact with an aqueous system comprises adding to system combination of dioctylsulfosuccinate surfactant and polyoxyethylene-polyoxypropylene block copolymer |
08/29/2000 | US6110379 Method for treating water containing sulfate |
08/29/2000 | US6110376 Use of reverse osmosis membranes to treat evaporator clean condensate |
08/29/2000 | US6110375 Process for purifying water |
08/29/2000 | US6110374 Treatment process for removing microbial contaminants suspended in wastewater |
08/29/2000 | US6110373 Method for separating heavy isotopes of hydrogen from water |
08/29/2000 | US6110370 Treatment of water |
08/29/2000 | US6110360 Low pressure reverse osmosis water purifying system |
08/29/2000 | US6110353 Housing and method that provide extended resident time for dissolving generated oxygen into water |
08/29/2000 | US6110352 Water treatment by electrolysis, using a diaphragm electrolyzer having an anode and a cathode supplied with a direct current voltage |
08/29/2000 | US6110342 Process for production of amino acid hydrochloride and caustic via electrodialysis water splitting |
08/29/2000 | US6110293 Contacting oil or wax with nonwoven or woven fabric comprising hot water soluble, cold water insoluble polyvinyl alcohol fiber |
08/24/2000 | WO2000048968A1 Method of decomposing organochlorine compound |
08/24/2000 | WO2000048952A1 Method of making silica glass honeycomb structure from silica soot extrusion |
08/24/2000 | WO2000048951A1 Poultry processing water recovery and re-use process |
08/24/2000 | WO2000048948A1 Magnetic sludge suitable for use in waste water treatment and method for preparing the same and method for waste water treatment |
08/24/2000 | WO2000048947A1 Method of removing phosphoric acid contained in wastewater |
08/24/2000 | WO2000048946A1 Method of removing biofilms from surfaces submerged in a fouled water system |
08/24/2000 | WO2000048945A1 Device for the electrocatalytic treatment of liquids containing contaminants and/or micro-organisms |
08/24/2000 | WO2000048943A1 Reverse osmosis system with biological contamination prevention |
08/24/2000 | WO2000048828A1 Silice glass honeycomb structure from silica soot extrusion |
08/24/2000 | WO2000048754A1 Method for treating a medium polluted with a nitro group containing compound |
08/24/2000 | WO2000048702A1 Water-cooled distilling apparatus |
08/24/2000 | WO2000026147A8 Method for purifying and softening water |
08/24/2000 | DE19958621A1 Grey water treatment unit renders household effluent suitable for re-use in non-potable household applications |
08/24/2000 | DE19948923A1 Electric kettle has water inlet filter and water outlet filter enhancing flavor of water used in preparation of tea, coffee and food |
08/24/2000 | DE19911950A1 Electrochemical treatment reactor for impure liquids has numerous electrodes and fluid passages around charge of titanium oxide granules |
08/24/2000 | DE19907599A1 Catalytic reactor to treat industrial effluent water uses non-toxic non-carcinogenic environmentally-friendly organic reagent |
08/24/2000 | DE19907056A1 System zur Aufbereitung von Trinkwasser System for the treatment of drinking water |
08/24/2000 | DE10008005A1 Gas-liquid contacting by micro-bubble dispersion, suitable for anti-microbiological treatment of recycled paper-making water with ozone |
08/23/2000 | EP1029991A2 Method of and system for cleansing a toilet or urinal |
08/23/2000 | EP1029825A2 System of treating drinking water |
08/23/2000 | EP1029824A2 Physical system for the treatment of water and/or other liquids and/or hydrocarbons, gases, suited for preventing the formation of incrustations |
08/23/2000 | EP1029481A2 Container for holding bottles or the like comprising means for reactivating the contained alimentary liquids |
08/23/2000 | EP1029141A1 Automatic swimming pool cleaners and associated components and systems |
08/23/2000 | EP1028934A1 Method for separating an organic compound from an aqueous medium |
08/23/2000 | EP1028919A1 Device for thickening liquids or sludges |
08/23/2000 | EP1028918A1 Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage |
08/23/2000 | EP1028917A1 Means for chemical water treatment |
08/23/2000 | EP1028845A1 System for extracting soluble heavy metals from liquid solutions |
08/23/2000 | EP1023121A4 Process for the purification of nutrients from food process streams |
08/23/2000 | EP0934231B1 Purification of water with cyclodextrins |
08/23/2000 | EP0799158B1 Method and facility for treating water contaminated with warfare agents |
08/23/2000 | EP0771230B1 Gas injection into liquid and removal of undissolved gas |
08/23/2000 | EP0741611B1 Process for soil decontamination by oxidation and vacuum extraction |
08/23/2000 | EP0696258B1 Water purification unit |
08/23/2000 | CN2392766Y Chlorine-contained disinfectant generator |
08/23/2000 | CN2392765Y Chinese stone dissolving-out box |
08/23/2000 | CN2392764Y Multi-stage classification water-purifying device |
08/23/2000 | CN2392763Y Loadind-unloading type water treatment device |
08/23/2000 | CN2392762Y Automatic collection apparatus for pollution articles floated on water |
08/23/2000 | CN2392761Y Water-flow whole-course sterilizing apparatus of ultraviolet water purifying device |
08/23/2000 | CN1264433A Integrated ozone generator system |
08/23/2000 | CN1263940A Method for preparing beverage containing alcohol with little by-effect for human liver |
08/23/2000 | CN1263869A Process for solidifying waste fermenting liquid of alcohol |
08/23/2000 | CN1263709A Silver ion disinfectant, and its preparing process and disinfecting equipment |
08/23/2000 | CN1055671C Method for treating waste water from chlorhydrin biology and containing organic chlorid compound |
08/22/2000 | US6108476 A light transmitter comprising a photo-activated semiconductor layer selected from the group consisting of titanium dioxide, tungsten dioxide, zinc oxide, tin dioxide and zinc oxide |
08/22/2000 | US6107480 Metallated or unmetallated porphyrin derivatives having amphiphilic properties |
08/22/2000 | US6106770 Method for preventing obstruction in aluminum brass pipes in a water flow path |
08/22/2000 | US6106731 System and method for ozonating water for animal houses |
08/22/2000 | US6106730 Process for inhibiting the settlement of post-veliger zebra mussels |
08/22/2000 | US6106726 Method of treating sludge containing arsenic |
08/22/2000 | US6106725 Point-of-use removal of lead and copper in drinking water using hydroxylapatite and carbonate minerals |
08/22/2000 | US6106723 Biological applications for ultrapure water, absorbent composition comprising a polymeric support and a multiplicity of ligands comprising alkylamino group, wherein at least a portion of said ligands is crosslinked. |
08/22/2000 | US6106722 Filtering photoresist-containing liquid |
08/22/2000 | US6106711 Fluid conditioning system and method |