| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/29/1993 | EP0576335A1 Process for purification of aqueous alkali metal chloride solution for removal of iodine |
| 12/29/1993 | EP0576124A1 Composition and method for sulfide control |
| 12/29/1993 | EP0575456A1 Method for the treatment of the sewages and respective plant. |
| 12/29/1993 | EP0575359A1 Purification of waste streams |
| 12/29/1993 | EP0575334A1 Improved method of reducing the levels of heavy metals in wastes |
| 12/29/1993 | EP0575329A1 Combined filtration and fixation of heavy metals |
| 12/29/1993 | EP0556369A4 Self-cleaning mechanism for oxidation chamber |
| 12/29/1993 | EP0556366A4 Modular oxidation chamber |
| 12/29/1993 | EP0460122B1 Process for non-polluting spray painting with a dispersion of oven-drying paint in water |
| 12/29/1993 | EP0442946B1 Solar aquatic method and apparatus for treating waste |
| 12/29/1993 | EP0362360B1 A sterilized aerosol container having an aqueous saline solution therein and the method for sterilizing the container |
| 12/29/1993 | CN2151418Y Automatic electric magnetizing boiler |
| 12/29/1993 | CN2151326Y Valve for water magnitizer |
| 12/29/1993 | CN2151318Y Magnet controlling valve of water magnetizer |
| 12/29/1993 | CN2151145Y Permanent water magnetizer |
| 12/29/1993 | CN2151144Y Continuously elecctric disinfecting apparatus attached to water supply pipe |
| 12/29/1993 | CN2151143Y Iron impurity treater for chromate waste liquid by electrochemical method |
| 12/29/1993 | CN2151142Y Air floating water treater with shallow pool |
| 12/29/1993 | CN2151141Y Telescopic solvated gas releaser |
| 12/29/1993 | CN2151140Y Household self-controlling magnetizing mineral water container |
| 12/29/1993 | CN2151139Y Drink water treating apparatus for household |
| 12/29/1993 | CN2151138Y Magnetizing mineral water pot with reversing path |
| 12/29/1993 | CN2151137Y Small-size water purifier |
| 12/29/1993 | CN2150918Y 旋涡式混合器 Vortex mixer |
| 12/29/1993 | CN2150798Y Water magnetizer in pot |
| 12/29/1993 | CN2150785Y Water magnetizing cup |
| 12/29/1993 | CN2150784Y Water magnetizing cup |
| 12/29/1993 | CN2150783Y Water magnetizing cup |
| 12/29/1993 | CN2150782Y Magnetizing cup |
| 12/29/1993 | CN2150781Y Heat insulating magnet cup |
| 12/29/1993 | CN2150779Y Air-pumping water magnetizing bottle with liquid crystal |
| 12/29/1993 | CN2150755Y Magnitizing mineral water pot |
| 12/29/1993 | CN1079945A Inorganic compounded flocculante for water treatment and its preparation |
| 12/29/1993 | CN1079944A Production method of polychloride polysulphide lead turgstate flocculant |
| 12/29/1993 | CN1079943A Method and apparatus for treating water and/or wastewater |
| 12/29/1993 | CN1079942A Deoxidization method and apparatus based on hydrogen desoxydation principle |
| 12/29/1993 | CN1079921A Apparatus for treatment of liquids of different specific gravities or treatment of gas and liquids |
| 12/28/1993 | US5274169 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
| 12/28/1993 | US5273719 A liquid evaporator and a deodorizing device including a heater, catalyst, air blower and diffusion discharge pipe |
| 12/28/1993 | US5273664 Apparatus and method for disinfection of water by ozone injection |
| 12/28/1993 | US5273663 Oxidative removal of aqueous cyanide under acidic conditions |
| 12/28/1993 | US5273662 Process for treating impregnation process waste water |
| 12/28/1993 | US5273661 Method for processing aqueous wastes |
| 12/28/1993 | US5273650 Ceramic filter |
| 12/28/1993 | US5273649 Personal water purification systems |
| 12/28/1993 | US5273572 Process for removing an organic compound from water |
| 12/28/1993 | US5273070 Water treatment apparatus |
| 12/28/1993 | CA1325583C Visual analytical tracer and method for detection and quantitative analysis for water treatment chemicals |
| 12/23/1993 | WO1993025481A1 Process and apparatus for purifying streams |
| 12/23/1993 | WO1993025480A1 Method for aiding microbial degradation of spilled oil |
| 12/23/1993 | WO1993025478A1 Process and apparatus for the production, particularly domestic production, of beverages |
| 12/23/1993 | WO1993025329A1 Treatment of waste materials for disposal |
| 12/23/1993 | WO1993025327A1 Method for separating components of liquids in industrial process |
| 12/23/1993 | WO1993025298A1 Process for ultrafiltration of stabilized emulsions |
| 12/23/1993 | WO1993025297A1 Depleted oxygen gas stripping and carbon adsorption btex abatement system |
| 12/23/1993 | WO1993025268A1 Starch-iodine used as a preservative |
| 12/23/1993 | WO1993025097A1 High pulsed voltage systems for extending the shelf life of pumpable food products |
| 12/23/1993 | DE4221013C1 Injector for regeneration of water treatment units, esp. ion exchange units - includes by=pass opening leading to water treatment medium without mixing with regeneration medium |
| 12/23/1993 | DE4220401A1 Water circulation management for installations for workpiece etc. treatment in baths - including an evaporation unit for production of rinsing water |
| 12/23/1993 | CA2136869A1 Process and apparatus for purifying streams |
| 12/22/1993 | EP0575294A1 Process for preparing-hydrolytically stable trivalent phosphorus compounds and their use as stabilisators for thermoplastic materials |
| 12/22/1993 | EP0575027A1 Improved water treatment system |
| 12/22/1993 | EP0574984A1 Method and plant for the purification of fluid containing sludge from painting processes |
| 12/22/1993 | EP0574924A1 Process for chemical decontamination of contaminated soil and sludge |
| 12/22/1993 | CN2150205Y Water magnetizer |
| 12/22/1993 | CN2150204Y Magnetizer |
| 12/22/1993 | CN2150203Y Domestic magnitizing-scaling device for water and water-heater |
| 12/22/1993 | CN2150202Y Horizontal-tube type gas-flotation separating device |
| 12/22/1993 | CN2150201Y Purification device |
| 12/22/1993 | CN2150200Y Domestic wall-type super-purifying device for water |
| 12/22/1993 | CN2150199Y Purification magnetizer for drink water |
| 12/22/1993 | CN2149953Y Purification magnetizer for tap water |
| 12/22/1993 | CN2149841Y Electrothermal boiling and electric cooling machine for water |
| 12/22/1993 | CN2149840Y Automatic quick-acting multi-function health-care water heater |
| 12/22/1993 | CN2149837Y Magnetic energy-saving health-care device for keettle |
| 12/22/1993 | CN1079719A High-valence molysite water clarifier |
| 12/22/1993 | CN1023208C Process and equipments for treating waste liquor of red nitric acid |
| 12/22/1993 | CN1023207C Deoxidizer for boiler water and producting thereof |
| 12/21/1993 | USRE34486 Compositions of inorganic-organic alloy with highly charged nitrogen content polymers and their manufacture |
| 12/21/1993 | US5272091 Water purification method and apparatus |
| 12/21/1993 | US5271849 Process for treating waste containing cyanates |
| 12/21/1993 | US5271848 Treating of waste water with bauxite to remove phosphates from the waste water |
| 12/21/1993 | US5271837 Drinking water filtration system |
| 12/21/1993 | US5271834 Apparatus for the magnetic treatment of a fluid |
| 12/21/1993 | US5271830 Water treatment installation for a tangential filtration loop |
| 12/21/1993 | US5271829 Treatment system for waste water |
| 12/21/1993 | US5271814 Thin film electrocoagulation for removal for contaminants from liquid media |
| 12/21/1993 | US5271691 Oil absorption apparatus using kenaf fiber and core portions |
| 12/16/1993 | DE4219584A1 Sludge processing - uses partial water recirculation to reduce consumption where water supplies are restricted |
| 12/16/1993 | DE4218863A1 Treating granular material or waste water loaded with heavy metals - by binding metals with chelating agent and passage through ion exchange system |
| 12/15/1993 | EP0574341A1 Iron with a magnetic anti-scaling device |
| 12/15/1993 | EP0574023A1 Buoyant ceiling wiper for stacked tank clarifier |
| 12/15/1993 | EP0573927A1 Recycling method for photographic processing waste liquid |
| 12/15/1993 | EP0573666A1 Filter medium and filter which use animal fibers |
| 12/15/1993 | EP0573525A1 Method for removing and/or recovering mercury |
| 12/15/1993 | EP0521087B1 Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acids |
| 12/15/1993 | EP0425590B1 PROCESS FOR STABILISING THE pH OF AQUEOUS FEED SOLUTIONS AND FOR ABSORBING AND BUFFERING URINE AND WOUND SECRETIONS |
| 12/15/1993 | EP0402405B1 Gasification process |
| 12/15/1993 | EP0397864B1 Agglutination reaction vessel |
| 12/15/1993 | CN2149586Y Health-care drinking water heater |