Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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10/09/1997 | WO1997036825A1 Method and apparatus for purifying water |
10/09/1997 | WO1997036673A1 Method for separating a catalyst by membrane electrodialysis |
10/09/1997 | DE19613485A1 Extraktion organischer Verbindungen aus tensidhaltigen wäßrigen Lösungen Extraction of organic compounds from aqueous solutions containing surfactant |
10/09/1997 | DE19613397A1 Verfahren zum biologischen Reinigen von Abwasser A method for the biological purification of waste water |
10/08/1997 | EP0799800A1 Waste water oxydation catalyst for sulphur impurities |
10/08/1997 | EP0799799A1 Method and device for purifying protein containing waste water |
10/08/1997 | EP0799798A1 Use of lammellar silicates |
10/08/1997 | EP0799347A1 Separating arrangement |
10/08/1997 | EP0799162A1 Reversible flow supercritical reactor and method for operating same |
10/08/1997 | EP0799161A1 Process for treating waste water containing metals |
10/08/1997 | EP0799160A1 Process for the continuous treatment of waste water containing dissolved metals |
10/08/1997 | EP0799159A1 Dechlorination of tce with palladized iron |
10/08/1997 | EP0799158A1 Method and facility for treating water contaminated with warfare agents |
10/08/1997 | EP0799083A1 Method and device for purifying liquids, in particular polluted water for fighting fires |
10/08/1997 | CN2264215Y Water tank |
10/08/1997 | CN2264183Y Super-pureness water preparing unit |
10/08/1997 | CN2264182Y Household high pureness drinking water generating appts. |
10/08/1997 | CN2264181Y Driving interchange water softening device |
10/08/1997 | CN2264180Y Running-water ozone water jet mixing unit |
10/08/1997 | CN2264179Y Purification tower for dump leaching gold-extracting wasted liquid containing cyanogen |
10/08/1997 | CN2264178Y Purifying device of pressure-bearing stepless speed variable whirl reactor |
10/08/1997 | CN2264177Y Electrostatic water treating device |
10/08/1997 | CN2264176Y Household distilled water generator |
10/08/1997 | CN2264175Y Water treatment appts. |
10/08/1997 | CN2264174Y Filter with fibre density adjusted |
10/08/1997 | CN2264037Y Running water filter |
10/08/1997 | CN2264036Y Side inlet cyclone self-cleaning water purifier |
10/08/1997 | CN1161681A Method for treating liquid to inhibit growth of living organisms |
10/08/1997 | CN1161485A Karaoke Marking apparatus |
10/08/1997 | CN1161310A Nanometer solid material water purification beads contg. composite elements |
10/08/1997 | CN1161309A Water purification equipment |
10/08/1997 | CN1161308A Container for replacing water treatment material, the external container of the water treatment container, the water treatment equipment thereof |
10/07/1997 | US5675153 UV apparatus for fluid treatment |
10/07/1997 | US5675055 Purification, demetallization by separating through aqueous acid and solvent extraction |
10/07/1997 | US5674903 Method of using citric acid for treating wrinkles |
10/07/1997 | US5674899 Method of using lactic acid for treating wrinkles |
10/07/1997 | US5674538 Process for inhibition of microbial growth in aqueous food transport or process streams |
10/07/1997 | US5674537 Electrolyzed saline solution containing concentrated amounts of ozone and chlorine species |
10/07/1997 | US5674429 Sanitizing and clarifying product also containing sodium tetraborate, aluminum sulfate |
10/07/1997 | US5674405 Method for hydrothermal oxidation |
10/07/1997 | US5674404 Filter integrity test method for dialysis machines |
10/07/1997 | US5674402 Treating with inorganic acid to produce solution containing dissolved aluminum and iron, separating insoluble material, treating with monovalent cation to precipitate aluminum and iron |
10/07/1997 | US5674397 Debubblers |
10/07/1997 | US5674391 Liquid purification low density packing especially for fiberboard containers |
10/07/1997 | US5674390 Dialysis machine with leakage detection |
10/07/1997 | US5674389 Removal of tetrachloroethylene impurity from water |
10/07/1997 | US5674365 Electrode composition for electrolysis of water |
10/07/1997 | US5674312 Injection of gas into pressurized flowing liquid stream using gas injector whereby some of the gas is dissolved and the residue is removed |
10/07/1997 | US5673674 Fuel saver |
10/04/1997 | CA2201835A1 Method and device for purifying protein containing waste water |
10/02/1997 | WO1997036178A1 Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors |
10/02/1997 | WO1997035810A2 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining |
10/02/1997 | WO1997035808A2 An electro-flocculation process |
10/02/1997 | WO1997035660A1 Sorbents for removing toxicants from blood or plasma, and method of producing same |
10/02/1997 | WO1997035466A1 Sterilizer for circulation nutricultivating apparatus, nutrient solution sterilizing method using the same, and circulation nutricultivating apparatus |
10/02/1997 | DE19640452A1 Oxidative treatment of waste water |
10/02/1997 | DE19612945A1 Removing sulphide(s) from waste caustic alkali liquors |
10/01/1997 | EP0798270A1 Laser device for purifying contaminated waters |
10/01/1997 | EP0798269A1 Apparatus for purifying water from organic halides contained therein |
10/01/1997 | EP0797917A1 Iodine/resin disinfectant and a procedure for the preparation thereof |
10/01/1997 | EP0797601A1 Process for producing stable water-in-oil emulsions of hydrolysed polymers of n-vinyl amides and their use |
10/01/1997 | EP0797544A1 Process and article for disinfecting water |
10/01/1997 | EP0797543A1 Process for the treatment of metal-containing water and recovery of metals therefrom |
10/01/1997 | EP0797474A1 Portable water purifying and drinking device |
10/01/1997 | EP0797473A1 A device for the separation of oil from water |
10/01/1997 | EP0695304B1 Calix[4]arene crown ethers, method for preparing same, and use thereof for the selective extraction of caesium and actinides |
10/01/1997 | CN2263650Y Alternate fluid discharging and charging device |
10/01/1997 | CN1160683A Method and apparatus for producing mineral water |
10/01/1997 | CN1160682A Composite coagulant for water treatment and its preparation process |
10/01/1997 | CN1160681A Rotary plug |
10/01/1997 | CA2201197A1 Use of sheet silicates |
09/30/1997 | US5672328 Method and apparatus for removing silver in the form of silver salts from a liquid |
09/30/1997 | US5672280 Multiple stage precipitation of heavy metals from acidic aqueous solution |
09/30/1997 | US5672279 Solubilizing calcium carbonate |
09/30/1997 | US5672253 Apparatus for making hexagonal and pentagonal molecular structure water |
09/30/1997 | US5672250 Seawater solar desalination system |
09/30/1997 | US5671804 Heat exchanger element |
09/30/1997 | CA2091563C Oxygen removal with keto-gluconates |
09/30/1997 | CA2034225C Paint sludge separator system |
09/25/1997 | WO1997035067A1 Antifoam compositions containing polymers and methods of use thereof |
09/25/1997 | WO1997034945A1 Flocculating or viscosifying compositions and their production and use |
09/25/1997 | WO1997034838A1 Substances and method for the production of water suitable for aquariums or garden ponds |
09/25/1997 | WO1997034837A1 Method and apparatus for treating selenium-containing waste water |
09/25/1997 | WO1997034836A1 A method for improving the applicability of a water treatment chemical, and a coagulant |
09/25/1997 | WO1997034835A1 Water treatment method |
09/25/1997 | WO1997034834A1 Water clarifying compositions |
09/25/1997 | WO1997034833A1 A method to solve the swelling sludge problem in waste treatment plants by controlling mycelium bacteria |
09/25/1997 | WO1997034832A1 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water |
09/25/1997 | WO1997034831A1 Saltwater distillation housing |
09/25/1997 | WO1997034827A1 Stabilized alkali or alkaline earth metal hypobromite and process for its production |
09/25/1997 | WO1997034696A1 Method and apparatus for producing deionized water |
09/25/1997 | WO1997034686A1 Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same |
09/25/1997 | WO1997034660A1 Method for hot and supercritical water oxidation of material using specific reactants |
09/25/1997 | WO1997034622A1 Oral cyclosporin formulations |
09/25/1997 | DE19611135A1 Mittel und Verfahren zur Herstellung von biologisch vorteilhaftem bis naturnahem Aquarien- und Gartenteichwasser Means and methods for the preparation of biologically favorable to near-natural aquarium and pond water |
09/25/1997 | DE19610929A1 Eliminating halogenated and aromatic hydrocarbons from waste waters |
09/25/1997 | DE19610676A1 Purification of organics-loaded chemical process or ground water |
09/25/1997 | DE19610673A1 Purification of organics-loaded chemical process or ground water |
09/25/1997 | DE19609555A1 Verfahren zum aeroben biologischen Abbau schwer wasserlöslicher Stoffe sowie Mirkoorganismus Stamm IHI-91 A method for aerobic biodegradation of sparingly water supplies as well as microorganism strain IHI-91 |
09/25/1997 | CA2249718A1 Water clarifying compositions |