| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/08/1994 | CA1327654C Treatment of water to remove gas vacuolate cyanobacteria |
| 03/08/1994 | CA1327653C Device and a method for filtering a liquid with wood ash to remove impurities therefrom |
| 03/08/1994 | CA1327652C High pressure oxygen-saturated water treatment apparatus |
| 03/08/1994 | CA1327542C Buoyant coarse media flocculator |
| 03/08/1994 | CA1327431C In-situ formation of soluble silicates from biogenetic silica in chemical fixation/solidification treatment of wastes |
| 03/03/1994 | WO1994004467A1 Process and apparatus for neutralisation of acid streams |
| 03/03/1994 | WO1994004466A1 Apparatus for purification of water by floculation |
| 03/03/1994 | WO1994004465A1 Colloidal and water treatment systems and methods |
| 03/03/1994 | WO1994004464A1 Method and device for the separation of a contaminated top layer |
| 03/03/1994 | WO1994004462A1 Polymeric aluminium silicate-sulphate and process and apparatus for producing same |
| 03/03/1994 | WO1994004289A1 Process and plant for decontaminating solid materials contaminated with organic pollutants |
| 03/03/1994 | WO1994004266A1 Separation of aqueous and organic components |
| 03/03/1994 | WO1994004245A1 Filter jug |
| 03/03/1994 | WO1994004225A2 Method for the detoxification of mustard gas, sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 03/03/1994 | WO1994004033A1 Anti-microbial composition |
| 03/03/1994 | WO1994002549A1 LOWERING THE pH OF TEXTILE PROCESSING SOLUTION WITH AN ACID/BASE SALT AS A pH ADJUSTING AGENT |
| 03/03/1994 | DE4229269A1 Bottle washing fresh water - is collected at the spray station and treated to restore its quality for at least part to be used again to reduce fresh water consumption |
| 03/03/1994 | DE4229264A1 Treatment of waste water contg. latex - using ferric chloride and aluminium chloride and sulphate as precipitants, and nonionic polymer flocculant |
| 03/03/1994 | DE4229061A1 Values and water recovery from aq. process liq. - by membrane distillation giving recyclable concentrate and distillate usuable instead of deionised water |
| 03/03/1994 | DE4228860A1 Compact water treatment appts. - has integrated filter and steriliser at the water outlet, useful for campers, tourists, etc. |
| 03/03/1994 | DE4228471A1 Rauchgasentschwefelung Flue gas desulfurization |
| 03/03/1994 | DE4228460A1 Treating cyanide-contg. effluent, e.g. from electroplating industry - by preheating effluent and then mixing with hydrogen peroxide. |
| 03/03/1994 | DE4227962A1 Verfahren und Anlage zum Sanieren von mit organischen Schadstoffen kontaminiertem Boden Method and apparatus for remediating contaminated with organic pollutants floor |
| 03/03/1994 | CA2224048A1 Test kit for testing microbiologically-contaminated material |
| 03/03/1994 | CA2142456A1 Anti-microbial composition |
| 03/03/1994 | CA2142362A1 Filter jug |
| 03/03/1994 | CA2139441A1 Process and apparatus for neutralisation of acid streams |
| 03/03/1994 | CA2121045A1 Method for the detoxification of mustard gas, sulfur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 03/02/1994 | EP0585036A1 Apparatus for producing ultra-pure water |
| 03/02/1994 | EP0584914A1 Bacterial inhibiting compositions |
| 03/02/1994 | EP0584502A2 Process for the spontaneous precipitation of sulfates dissolved in water as calcium aluminium sulfate and the application of this process for the preparation of low-chloride gypsum-anhydrite containing aluminium oxide |
| 03/02/1994 | EP0584378A1 Domestic filter with device for treating water |
| 03/02/1994 | EP0584245A1 Enzyme systems |
| 03/02/1994 | EP0584228A1 New thermoplastic polymeric material and process for making same |
| 03/02/1994 | EP0432276B1 Method of concentrating and dehydrating slurried sludge |
| 03/02/1994 | EP0415934B1 Calcium hypochlorite composition |
| 03/02/1994 | CN2158061Y Electric heating device for boiling water |
| 03/02/1994 | CN2157928Y Self-cleaning water purifier |
| 03/02/1994 | CN2157927Y Multi-function water treating device |
| 03/02/1994 | CN2157727Y Water-magnetizing device in bathtub |
| 03/02/1994 | CN2157715Y Mineralized cup |
| 03/02/1994 | CN2157670Y Disposable beverage container magnetizing device |
| 03/02/1994 | CN1083025A Three-tower automatic inner pressure type fluidized bed for softening water |
| 03/02/1994 | CN1082845A Nutritients-balanced mineral water and manufacture process |
| 03/01/1994 | US5290805 Biocidal decylnonyl- and decylisononyl dimethylammonium compounds |
| 03/01/1994 | US5290528 Contacting with carbonated aqueous solution to leach arsenic |
| 03/01/1994 | US5290487 Device for aeration of a liquid vessel |
| 03/01/1994 | US5290458 Granular media regeneration process |
| 03/01/1994 | US5290457 Filter element with regenerable bulk material filling and method for making same |
| 03/01/1994 | US5290455 Removal of cyanide from aqueous streams |
| 03/01/1994 | US5290454 Filtration of pulps and sludge with resin particles and fatty acids |
| 03/01/1994 | US5290451 Method and apparatus for processing manure |
| 03/01/1994 | US5290443 Faucet with microbial filter |
| 03/01/1994 | US5290439 Device for purifying a flow of liquid by means of ultraviolet radiation |
| 03/01/1994 | US5290406 Method for producing ozone |
| 03/01/1994 | US5290402 Automatic cold/hot distilled water fountain |
| 03/01/1994 | CA1327412C Waste water treatment system |
| 02/27/1994 | CA2104259A1 Hydrophobic polyelectrolytes used in removing color |
| 02/27/1994 | CA2094103A1 Waste treatment process for removal of contaminants from aqueous, mixed-waste solutions using sequential chemical treatment and crossflow microfiltration, followed by dewatering |
| 02/26/1994 | CA2099845A1 Method and composition for controlling the growth of microorganisms |
| 02/24/1994 | DE4227894A1 Removal of organic components from pH-sensitive surfactant-contg. effluent - by treating with acid and separating the organic phase |
| 02/24/1994 | DE4227732A1 Electrolysis cell for mfr. of ozone - comprises anode and cathode chambers sepd. by solid electrolyte membrane |
| 02/24/1994 | DE4227135A1 Domestic water softener valve system - has two adjacent discs and connectors which regenerates softening agent and requires no additional membrane or piston valves |
| 02/23/1994 | EP0584004A1 Biologic substrat for adsorption of contaminants in an aqueous medium |
| 02/23/1994 | EP0583658A1 A method for improving bottom and water quality in water areas and a set of agents used in the method |
| 02/23/1994 | EP0583357A1 Glycine anhydride dimethylol as a biocide and preservative |
| 02/23/1994 | EP0507795B1 Method for de-aerating from an aqueous composition and device for implementing the method |
| 02/23/1994 | EP0501998B1 Device for filtering contaminated liquids, in particular water |
| 02/23/1994 | EP0486574B1 Improved sewage treatment process |
| 02/23/1994 | EP0466721B1 Device for removing highly volatile impurities from the ground water |
| 02/23/1994 | EP0436666B1 Process for removing volatile organic compounds from air streams |
| 02/23/1994 | CN2157449Y Magnetic luckewarm boiled-water supply device |
| 02/23/1994 | CN2157187Y Multifunctional domestic trace element replenisher |
| 02/23/1994 | CN2157186Y Quick electroplating waste water treating apparatus |
| 02/23/1994 | CN2157185Y Industrial and agricultural water micronizing device |
| 02/23/1994 | CN2157184Y Floating bed |
| 02/23/1994 | CN2157183Y Mineral water producing ware set |
| 02/23/1994 | CN2157182Y Water mineralizing and purifying device |
| 02/23/1994 | CN2157181Y Mineralizing and purifying drinking device |
| 02/23/1994 | CN2157180Y Water magnetizing, mineralizing and purifying device |
| 02/23/1994 | CN2157179Y Drinking and washing water filter |
| 02/23/1994 | CN2157178Y Domestic hollow fibre membrance type water purifier |
| 02/23/1994 | CN2156925Y Dirt removing type rotary filter gauze with front water feed and lower spray |
| 02/23/1994 | CN2156921Y Small water purifier |
| 02/23/1994 | CN2156787Y Magnetic kettle |
| 02/23/1994 | CN2156774Y Multifunctional mineral spring cup |
| 02/23/1994 | CN2156772Y High-efficiency magnetic cup |
| 02/23/1994 | CN1082514A Electronic water scale cleaning device |
| 02/23/1994 | CN1082361A Tea fragrant mineral water |
| 02/22/1994 | US5288907 Hydrogenation of nitroalkanes to hydroxylamines |
| 02/22/1994 | US5288783 Preparation of salt of polyaspartic acid by high temperature reaction |
| 02/22/1994 | US5288737 Wastewater treatment apparatus |
| 02/22/1994 | US5288728 Complexing of silver with mercapto-s-triazine compound |
| 02/22/1994 | US5288713 Pumping continuous flow of desired chemicals into pipe containing flow stream |
| 02/22/1994 | US5288461 Fluid treatment system |
| 02/22/1994 | US5288412 Gray water processing system |
| 02/22/1994 | US5288411 Using polyacrylates and phosphonolated amines dispersants |
| 02/22/1994 | US5288409 Using surface of cured, unsaturated polyester copolymer; for piers or boat hulls, buoys |
| 02/22/1994 | US5288401 Magnetic inductor to revitalize water |
| 02/22/1994 | US5288373 Electrolysis, decomposition |