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