| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/01/1998 | EP0850677A1 Hollow fiber separation membrane module of immersing type and method for manufacturing the same |
| 07/01/1998 | EP0850325A1 Cylindrical electrolyzer assembly |
| 07/01/1998 | EP0850103A1 Magnetic fluid treatment |
| 07/01/1998 | CN2285290Y Domestic mineral water generator |
| 07/01/1998 | CN2285285Y Gas water mixed ozone water purifier |
| 07/01/1998 | CN2285284Y Ozonizing method water treatment device |
| 07/01/1998 | CN2285283Y Electroplating waste water purifier by utilizing double micro electrolytic cell reaction |
| 07/01/1998 | CN2285160Y Stainless steel delta-winded filter-cap |
| 07/01/1998 | CN1186506A Water-soluble polymers and compositions thereof |
| 07/01/1998 | CN1186143A Water purifier for drinking water |
| 07/01/1998 | CN1186049A Automatic pH value controller |
| 07/01/1998 | CN1186048A Composite flocculent |
| 06/30/1998 | US5774529 Apparatus to provide a remote display of the operating condition of a water treatment system |
| 06/30/1998 | US5773565 Reacting maleic acid with ammonia; heating to dehydrate; salt formation |
| 06/30/1998 | US5773384 Detoxification of blood or plasma |
| 06/30/1998 | US5772900 Filter and filtration of fluids with abrasive grains, cutting chips and circulation of fluids for purification |
| 06/30/1998 | US5772897 Continuous oxidation process using a hypochlorite solution |
| 06/30/1998 | US5772896 Self-regulating water purification composition |
| 06/30/1998 | US5772894 Derivatized rhodamine dye and its copolymers |
| 06/30/1998 | US5772891 Water treating method for treating waste water by using ion exchange resin |
| 06/30/1998 | US5772872 Portable swimming pool water treatment system |
| 06/30/1998 | US5772869 Data backup device for water purifier |
| 06/30/1998 | US5772859 Device for treating wetting liquid in printing presses, particularly for offset printing presses |
| 06/30/1998 | US5772843 Tank covered by lightweight lid; removal water from hazardous wastes |
| 06/30/1998 | US5772119 Dehalogenation |
| 06/30/1998 | CA2021545C Treatment of alkaline streams |
| 06/27/1998 | CA2225199A1 Ionization-type water purification system |
| 06/25/1998 | WO1998027014A1 Comprehensive energy producing methods for aqueous phase oxidation |
| 06/25/1998 | WO1998027013A1 Apparatus for the electrochemical treatment of a liquid medium |
| 06/25/1998 | WO1998027012A1 Method for the electro-chemical treatment of aqueous solutions and device for realising the same |
| 06/25/1998 | WO1998027011A1 Uv disinfecting device advantageous for fluid flows |
| 06/25/1998 | WO1998026851A1 Biosorption system |
| 06/25/1998 | WO1998016473A3 Ozone treatment system |
| 06/25/1998 | DE19755396A1 Purification of waste water from production of polymer dispersions |
| 06/25/1998 | DE19654619A1 Washing machine water recycling |
| 06/25/1998 | DE19653696A1 Process to disinfect tap water |
| 06/25/1998 | DE19653415A1 Treatment of steam generated during mash and wort cooking in brewing process |
| 06/25/1998 | DE19653083A1 Strömungsgünstige UV-Desinfektionsvorrichtung Streamlined UV disinfection device |
| 06/24/1998 | EP0849297A1 Acrolein releasing emulsion homopolymer |
| 06/24/1998 | EP0849227A2 Electrolytic treatment method for water-containing nitrogen compounds |
| 06/24/1998 | EP0848687A1 Process for inhibiting the settlement of post-veliger zebra mussels |
| 06/24/1998 | EP0848647A1 High solids lime as a caustic replacement |
| 06/24/1998 | EP0848617A1 Method and apparatus for killing microorganisms |
| 06/24/1998 | EP0698000B1 Chlorine dioxide generation for water treatment |
| 06/24/1998 | CN2284783Y Improved structure of side filter for large water-circulating system |
| 06/24/1998 | CN2284782Y Supplemental water inlet pipe for large water-circulating system |
| 06/24/1998 | CN2284781Y Stainless triangular wire-coiling water intake device |
| 06/24/1998 | CN2284780Y Double-velocity triangular wire-coiling filtering cap |
| 06/24/1998 | CN2284779Y Structure-improved water sterilizer |
| 06/24/1998 | CN2284778Y Improved structure of cold and hot water tank in water circulation system |
| 06/24/1998 | CN1185428A Process for preparing phenyl-dialdelyde-glutaraldehyde water solution |
| 06/24/1998 | CN1185349A 净化水装置 Water purification unit |
| 06/23/1998 | USRE35826 Applying magnetic field on a fluid containing charge particles or ions for changing the rate of growth of certain crystals or solids formed with in a fluid; useful for water treatment used in coolers, boilers, food system and waste |
| 06/23/1998 | US5770174 Injecting water into a chemical reactor having exothermic reaction and oxidation |
| 06/23/1998 | US5770093 Manganese oxide |
| 06/23/1998 | US5770091 Method of plain sedimentation and physical-chemical sedimentation of domestic or industrial waste water |
| 06/23/1998 | US5770090 Method for recovery of heavy metal from waste water |
| 06/23/1998 | US5770089 Water treatment method using tourmaline |
| 06/23/1998 | US5770079 Biological injector and method of application thereof |
| 06/23/1998 | US5770062 Microbubbles |
| 06/23/1998 | US5770056 Sewage dewatering equipment |
| 06/23/1998 | US5770052 Device for controlling the ratio of pure water to concentrated water in water purifiers |
| 06/23/1998 | US5770037 Electrolytic sterilization using carbon electrode; polarization |
| 06/23/1998 | US5770033 Electrical chemical preparation of ozone from oxygen |
| 06/23/1998 | US5770019 Apparatus for concentrating waste liquid |
| 06/23/1998 | US5769777 Method for absorbing organic pollutants |
| 06/23/1998 | CA2119748C Improved deinking method using ink agglomeration |
| 06/23/1998 | CA2106495C Batch liquid purifier |
| 06/23/1998 | CA2089471C Process for embedding liquid to solid substances in methacrylic resins |
| 06/23/1998 | CA2019163C Steam injection process for recovering heavy oil |
| 06/23/1998 | CA2001187C Toilet bowl cleaner |
| 06/18/1998 | WO1998025972A1 Fructan-polycarboxylic acid |
| 06/18/1998 | WO1998025858A1 Closed-loop wastewater treatment system |
| 06/18/1998 | WO1998025856A1 A method for reducing chemical oxygen demand of a solution |
| 06/18/1998 | WO1998025855A1 Method for sterilising water and device for realising the same |
| 06/18/1998 | WO1998025679A1 Method for desalinating salt-containing water, single-effect or multiple-effect distillation apparatus and modular element suitable for a single-effect or multiple-effect distillation apparatus |
| 06/18/1998 | DE19753117A1 Oxidative purification of gases or effluent |
| 06/18/1998 | DE19652127A1 Ultrasound equipment removing gases dissolved in water |
| 06/18/1998 | DE19651135A1 Precipitating agent for treating water or effluent to remove phosphate(s), etc. |
| 06/17/1998 | EP0847962A1 Magnetic lime-scale conditioner |
| 06/17/1998 | EP0847374A1 Process for water treatment in a closed circuit with a reactor |
| 06/17/1998 | EP0847301A1 Water-treatment device |
| 06/17/1998 | EP0531364B1 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 06/17/1998 | CN2284239Y Filter element of water purifier |
| 06/17/1998 | CN2284238Y Drink tube sterilizing and purifying filter element |
| 06/17/1998 | CN2284237Y Water filling sterilizing and purifying filter element |
| 06/17/1998 | CN2284235Y Seawater desalination appts. |
| 06/17/1998 | CN2284234Y Multi-stage water treatment appts. |
| 06/17/1998 | CN2284233Y Insertion outward winding mini magnetized water purifier |
| 06/17/1998 | CN2284232Y Filtering installation having automatic cleaning and removing slag |
| 06/17/1998 | CN2284231Y Water purifier |
| 06/17/1998 | CN1184785A Method and equipment for quickly treating waste water for paper mill |
| 06/17/1998 | CN1184782A Method and apparatus for treating wastewater contg. phosphoric acid radical |
| 06/17/1998 | CN1184712A Method for treating resin using sulfuric acid as regenerating agent |
| 06/16/1998 | US5767060 Bonded polymer filter medium and its use |
| 06/16/1998 | US5766629 Nonionic surfactant, alkanol |
| 06/16/1998 | US5766566 Oxidation of slurry containing ferrous sulfte and sulfuric acid with molecular oxygen oxidizing agent under pressure to form a slurry of both liquid and solid phase ferric sulfate, cooling or evaporating to dehydrate to form solid phase |
| 06/16/1998 | US5766491 Backflow prevention system for media bed reactor |
| 06/16/1998 | US5766490 Sealed enriching space |
| 06/16/1998 | US5766489 Process and arrangement for continously carrying out photoreactions in a liquid phase |