| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/18/1997 | CN1151970A Control structure of water purifier |
| 06/17/1997 | US5639550 Composite particulate material and process for preparing same |
| 06/17/1997 | US5639452 Iodine/resin disinfectant and a procedure for the preparation thereof |
| 06/17/1997 | US5639379 Process for removing color and odor from aqueous effluent contaminated with textile dye |
| 06/17/1997 | US5639377 Regenerating the ion exchange resin |
| 06/17/1997 | US5639373 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
| 06/17/1997 | US5639362 Potentiostatic control of electrolytic slave cell cathode potential in response to current flow of reference electrode-equipped master cell |
| 06/17/1997 | CA2104355C Method and apparatus for ozone generation and treatment of water |
| 06/12/1997 | WO1997020777A1 Water purification plant |
| 06/12/1997 | WO1997020776A1 Point-of-use water treatment system |
| 06/12/1997 | WO1997020775A1 Flotation apparatus and process |
| 06/12/1997 | WO1997020774A1 Water purification plant |
| 06/12/1997 | WO1997020606A1 A method and a device for purifying water |
| 06/12/1997 | WO1997020461A1 Control of microorganisms in fluid |
| 06/12/1997 | WO1997013554A3 Process for decomposing stable organic pollutants |
| 06/12/1997 | DE19546127A1 Forming large area filter material for absorbing gases or liquids |
| 06/12/1997 | DE19546070A1 Verfahren zur Reinigung von Abwasser aus der 1,2-Dichlorethan-Herstellung A process for purifying waste water from the manufacture of 1,2-dichloroethane- |
| 06/12/1997 | DE19545851A1 Precipitation of dioxin from circulating water |
| 06/12/1997 | DE19545617A1 Unit to modify e.g. physical, chemical, etc. characteristics of entrained entities |
| 06/12/1997 | DE19545496A1 Treating processing and rinsing water containing dispersed adhesives |
| 06/12/1997 | DE19541234A1 Electromechanical water softening unit |
| 06/12/1997 | CA2239468A1 Flotation apparatus and process |
| 06/11/1997 | EP0778375A1 Toilet stool cleaning method and apparatus therefor |
| 06/11/1997 | EP0778245A1 Method for removing heavy metals form waste water |
| 06/11/1997 | EP0778244A1 Methods for inhibiting the production of slime in aqueous systems |
| 06/11/1997 | EP0778243A1 Method and device for magnetic descaling in a liquid discharging installation |
| 06/11/1997 | EP0778242A1 Water electrolysis apparatus |
| 06/11/1997 | EP0777631A1 Plant and process for achieving structured waters of the "i" type-inhibitively activated and "s" type-stimulatively activated |
| 06/11/1997 | EP0777629A1 Method and apparatus for the purification of gases and liquids |
| 06/11/1997 | EP0777528A1 Process for reducing the concentration of multivalent cations in aqueous solutions |
| 06/11/1997 | EP0777526A1 Filter material and process for removing ozone from gases and liquids |
| 06/11/1997 | EP0777520A1 Zero waste effluent water desalination system |
| 06/11/1997 | EP0735985B1 Effluent treatment with hydrotalcite |
| 06/11/1997 | EP0730483A4 Evaporation means and method |
| 06/11/1997 | CN2255978Y Waste water treating and purifying tank for restaurant |
| 06/11/1997 | CN2255977Y Multifunctional iodine supplying water purifier |
| 06/11/1997 | CN2255976Y Household energy saving water distiller with water sealer |
| 06/11/1997 | CN1151721A Water sterilisation appts. |
| 06/11/1997 | CN1151380A Water treatment agent |
| 06/11/1997 | CN1151378A Seawater desalination method and appts. thereof |
| 06/11/1997 | CN1151377A Improved power plant water and ash treatment system |
| 06/11/1997 | CN1151332A Ketone-based surfactant and method for treating industrial commercial, and institutional waste-water |
| 06/11/1997 | CN1151250A Method fox extracting thallus protein from waste fermented liquid |
| 06/11/1997 | CN1035110C Equipment for de-alkalization of industrial waste water by sulfur dioxide |
| 06/10/1997 | US5637728 Metal ion binding monomer and polymer |
| 06/10/1997 | US5637615 Antiaging agent |
| 06/10/1997 | US5637308 Tabletized ionene polymers |
| 06/10/1997 | US5637284 In a rotating cylinder tube |
| 06/10/1997 | US5637232 Process for the catalytic oxidation of ferrous iron in liquid media |
| 06/10/1997 | US5637231 Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants |
| 06/10/1997 | US5637230 Water treatment method and apparatus for adding calcium hypochlorite to potable water |
| 06/10/1997 | US5637229 Self flocculating separation medium and method |
| 06/10/1997 | US5637226 Magnetic fluid treatment |
| 06/10/1997 | US5637223 Acidifying fluid with combination of organic acid and mineral acid, contacting acidified water with oil, separating oil and water |
| 06/10/1997 | US5637221 Removing contaminants by combination of settling, flotation, flocculation, biological conversion to produce treated wastewater which can be recycled or safely disposed of in municipal sewer |
| 06/10/1997 | US5637214 Filter assembly for water treatment apparatus |
| 06/10/1997 | US5637204 End casing for an electrodialyzer electrodialyzer equipped with such a casing and use of the said electrodialyzer |
| 06/10/1997 | US5636521 Refrigeration apparatus and method |
| 06/10/1997 | US5636437 Slurrying pyrolyzed carbon powder and binder precursor, forming a film on a substrate, pyrolyzing the film |
| 06/07/1997 | CA2187657A1 Methods for inhibiting the production of slime in aqueous systems |
| 06/07/1997 | CA2174169A1 Process for removing waterborne and oil base paints from water |
| 06/07/1997 | CA2164578A1 Apparatus and method for purifying water |
| 06/05/1997 | WO1997020180A1 Water distillation unit for refrigerator |
| 06/05/1997 | WO1997020097A1 Cold water ozone disinfection |
| 06/05/1997 | WO1997019896A1 Liquid sterilisation apparatus |
| 06/05/1997 | WO1997019707A1 Method for preparing liquid sterilising and/or stimulating agents, and device therefor |
| 06/05/1997 | WO1997019581A2 Enhancing biological, biochemical and chemical reactions using structured liquids and solids |
| 06/05/1997 | WO1997013577A3 Flow reactor with capillary flow channels |
| 06/05/1997 | WO1997013041A3 Combined water purifier/dispenser and walk-in cooler |
| 06/05/1997 | DE19625108A1 Degassing water in single elongated tube for soft drinks |
| 06/05/1997 | DE19618888A1 Hydraulic three-chamber system pipe disconnector |
| 06/05/1997 | DE19614754C1 Continuous cooling, compression and enrichment of potable water with carbon dioxide |
| 06/05/1997 | DE19614240C1 Fluids steriliser used in reprocessing lubricating oil emulsions |
| 06/05/1997 | DE19546149A1 Sulphate recovery process for wet exhaust gas desulphurising plant |
| 06/05/1997 | DE19544550A1 Physical-energetic modification of substances using acquired, amplified and optionally inverted information |
| 06/05/1997 | DE19544455A1 Biological treatment of waste water |
| 06/05/1997 | CA2226294A1 Liquid sterilisation apparatus |
| 06/04/1997 | EP0776864A1 Process for the aerobic biological purification of water |
| 06/04/1997 | EP0776694A2 Receptacle device |
| 06/04/1997 | EP0687199B1 Method of producing spherical particles |
| 06/04/1997 | EP0586645B1 A method of treating liquid effluents containing organic compounds |
| 06/04/1997 | EP0550534B1 Process for recovering ethylene glycol during the disposal of industrial liquid wastes containing glycol |
| 06/04/1997 | EP0476135B1 Selective adsorbent for ammonuim ion and ammonia and preparation thereof |
| 06/04/1997 | CN2255429Y Scale-proofing scaling purifyer |
| 06/04/1997 | CN2255428Y Medicine-feeding device for fully-automatic water treatment |
| 06/04/1997 | CN2255427Y Small energy-saving electronic scaler |
| 06/04/1997 | CN2255426Y Ion exchanger for treatment of water-softening |
| 06/04/1997 | CN1151128A Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 06/03/1997 | USH1651 Extraction and disposal of organic wastes with polymer coated porous substrate |
| 06/03/1997 | US5635392 Nutrient mixtures for the bioremediation of polluted soils and waters |
| 06/03/1997 | US5635133 Sterilization by ultraviolet radiation beams |
| 06/03/1997 | US5635079 A sealed filter receptacle engaging the threaded necks of an upper and lower container and having a coaxial conical vent to allow air/water transfer; backflow valve |
| 06/03/1997 | US5635078 Rejuvenated catalytic oxidation of waste water, particularly for removal of cyanide and sulfur compounds |
| 06/03/1997 | US5635077 Ammonia removal |
| 06/03/1997 | US5635076 Treatment process for acrylonitrile plant wastewater streams |
| 06/03/1997 | US5635075 Method of removing organic contaminants from air and water with organophilic, quaternary phosphonium ion-exchanged smectite clays |
| 06/03/1997 | US5635073 Method for the purification of metal-containing aqueous media and method of preparing an adsorbent |
| 06/03/1997 | US5635071 Nanofiltration to remove higher molecular weight organic compounds, then reverse osmosis yields streams of concentrated carboxylic acids and purified water |
| 06/03/1997 | US5635063 Housing with stacked filters containing carbon impregnated with silver, activated carbon, resin impregnated with iodate microbiocide and mixed bed of anionic and cationic ion exchange resins |
| 06/03/1997 | US5635059 Method and apparatus for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes |