Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/2000
01/13/2000DE19830132A1 Verfahren und Vorrichtung zum Behandeln von Flüssigkeit und dafür geeignete Energiezufuhreinrichtung Method and apparatus for treating liquid and suitable for this purpose power supply means
01/13/2000CA2335803A1 A process for the isolation of aromatic hydroxycarboxylic acids
01/12/2000EP0971012A1 Use of esters of oils for cleaning surfaces contaminated with hydrocarbons
01/12/2000EP0970922A2 Method for methane fermentation of organic waste
01/12/2000EP0970919A1 Apparatus for the disinfection of a water treatment unit
01/12/2000EP0970734A1 PROCESS AND SYSTEM FOR TREATMENT OF oily emulsions
01/12/2000EP0970621A1 Bilberry-containing drinks and process for producing the same
01/12/2000EP0970263A1 Electrolytic method for recovering and recycling silver from a nitric solution
01/12/2000EP0970262A2 An integrated ozone generator system
01/12/2000EP0970020A1 Process for treating wastewater
01/12/2000EP0970019A1 Apparatus for the electrochemical treatment of water and aqueous salt solutions
01/12/2000EP0970018A1 Facility for desalinating or purifying sea water or brackish water by means of solar energy
01/12/2000EP0970017A1 Novel hybrid zeolite-silica compositions
01/12/2000EP0969936A1 Apparatus for electrodialytic cleaning of products and media which contain heavy metals
01/12/2000EP0969920A2 Device for magnetic fluid treatment
01/12/2000EP0969738A1 Propionic acid, ammonia, propanediol and water solutions and the use thereof
01/12/2000EP0934232A4 Process for disinfecting organic waste sludge
01/12/2000EP0931097A4 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration
01/12/2000EP0871359B1 Tabletized ionene polymers
01/12/2000EP0854840B1 Salt extraction process and device
01/12/2000EP0788463B1 Radiation module, its application and method for self-cleaning
01/12/2000EP0757586A4 Improvements in electrodialysis including filled cell electrodialysis (electrodeionization)
01/12/2000CN2358093Y Industrial washing machine
01/12/2000CN2358069Y Drinking purified supply device
01/12/2000CN2358068Y High efficiency energy-saving sewage, drinking water treatment device
01/12/2000CN2358065Y Ozone sterilized water heater
01/12/2000CN2358064Y Generator containing chlorine disinfectant
01/12/2000CN2358063Y Disk type cleaning dirt-remiving water purifier
01/12/2000CN2358062Y Purifier for underground water
01/12/2000CN2358061Y Marine drinking water ultrafilter purifier
01/12/2000CN2358060Y Water quality sterilizing purifier
01/12/2000CN2358059Y Double shell long-acting water quality sterilizer
01/12/2000CN2358058Y Suction chlorine dioxide generator
01/12/2000CN2358057Y Injection chlorine dioxide generator
01/12/2000CN2358056Y Cleaning water constant temp. sterilizer
01/12/2000CN2358055Y Automatic electronic scaler
01/12/2000CN2358054Y Water magnetizer
01/12/2000CN2358053Y Water treatment device by electromagnetic field
01/12/2000CN2358052Y Full automatic pure water drinker
01/12/2000CN2358051Y Continuous high active iron bed
01/12/2000CN2358050Y Flow-through cover body for one-way water inlet and outlet pure water device
01/12/2000CN2358049Y Dynamic water power swirler
01/12/2000CN2358048Y Deivce for recoverying floating oil on water surface
01/12/2000CN2358047Y Solar vacuum water purifier
01/12/2000CN2358046Y Automatic pressure-reducing pure water generator
01/12/2000CN2358045Y Distiller with heat energy cyclic utilization
01/12/2000CN2358044Y Telescopic water drain device
01/12/2000CN2358043Y Purification can of sewage purifier for fibre sewage mine
01/12/2000CN2357644Y Magnetized health-care kettle with fountain effect
01/12/2000CN1240770A Filter element of health-care water-drinking appliance and its water-drinking appliance
01/12/2000CN1240769A Compound treating agent for water treatment
01/12/2000CN1240768A Process for treating waste printing-dyeing water by microelectrolyzing iron filings to obtain useful resource
01/12/2000CN1240767A Process for treating waste paper-making liquor
01/12/2000CN1240766A Electrolyzed water production apparatus
01/12/2000CN1240675A Manufacture and application of 3D photoelectric electrode of semiconductor film
01/12/2000CN1240578A Long-acting inorganic disinfectant and its preparing process and application
01/12/2000CN1048258C Maleic copolymer, process for producing same and use thereof
01/12/2000CN1048190C Aqueous suspension of minerals and/or fillers and/or pigments, and its preparing method
01/11/2000US6013917 UV ray irradiation apparatus having scraper rings fitted to light transmission tubes
01/11/2000US6013708 Precipitating in water solution comprising at least one kosmotropic salt, and at least one anionic organic salt
01/11/2000US6013233 Electrostatic treatment electrode
01/11/2000US6013189 Vent pumping system arranged to exhaust air and ozone gas from a vent space above the liquid in the reservoir, by arranging a pump to flow gas through and out of the vent space; allows a closure lid for easy access to the reservoir
01/11/2000US6013187 Method for removing metal contaminants from solution using mercapto-functional silica xerogels
01/11/2000US6013185 Recovering surfactants from an aqueous surfactant/contaminant solution by ultrafiltration at a pressure less than 45 psi, using a nonionic surfactant that remains polar and solvated at operating temperature of the ultrafiltration system
01/11/2000US6013181 Water filtration system
01/11/2000US6013180 Mineral filtering apparatus
01/11/2000US6013137 Process and device for treating screenings from the mechanical cleaning stage of a sewage treatment plant
01/11/2000US6012232 Through-flow cup which can be filled with granule material
01/11/2000CA2186980C Wastewater pump station
01/11/2000CA2066673C Method and device for producing pure elemental iodine
01/11/2000CA2037314C Antimicrobial composition
01/06/2000WO2000000702A1 Method for oil removal and transport, and device for oil removal and transport
01/06/2000WO2000000701A1 Liquid transport member for high flux rates between a port region and an opening
01/06/2000WO2000000438A1 A process for purification of waters polluted with the nitrate ion
01/06/2000WO2000000437A1 Potable water system and process
01/06/2000WO2000000436A1 Treatment process for removing microbial contaminants suspended in wastewater
01/06/2000WO2000000435A1 Generator of magnetic fields incremented by the passage of fluids
01/06/2000WO2000000434A1 Method and apparatus for purification and disinfection of liquids
01/06/2000WO2000000433A2 Electrochemical treatment of water and aqueous salt solutions
01/06/2000WO2000000430A2 Molecular sieve cit-6
01/06/2000WO2000000406A1 Packaged prodcut and device with dispensing means
01/06/2000WO2000000285A1 Catalysts and processes for treatment of industrial process and waste streams
01/06/2000WO2000000281A1 Device for absorbing or collecting a liquid
01/06/2000WO2000000275A1 Membrane separation involving a two-phase fluid on membrane side
01/06/2000WO2000000273A1 Method of removing sulfate and/or metal ions from waters or wastewaters
01/06/2000WO2000000266A1 Water filtration apparatus
01/06/2000WO2000000149A2 Absorbent article comprising a liquid handling member that rapidly distributes acquired liquid
01/06/2000WO2000000143A2 Liquid transport member for high flux rates between two port regions
01/06/2000WO2000000142A2 Absorbent article exhibiting high sustained acquisition rates
01/06/2000WO2000000141A2 Device for handling body liquids which transports body liquid by siphoning
01/06/2000WO2000000140A2 Absorbent article instantaneously storing liquid in a predefined pattern
01/06/2000WO2000000139A2 Device for managing body fluids comprising a fast acquiring liquid handling member that expands upon liquid acquisition and contracts upon liquid release
01/06/2000WO2000000138A1 Liquid transport member for high flux rates against gravity
01/06/2000WO2000000136A1 Liquid transport member having high permeability bulk regions and high threshold pressure port regions
01/06/2000WO2000000131A1 Liquid transport member having high permeability bulk regions and high threshold pressure port regions
01/06/2000WO2000000130A1 Liquid transport member for high flux rates against gravity
01/06/2000WO2000000129A1 Liquid transport member for high flux rates between two port regions
01/06/2000WO2000000118A2 Absorbent article comprising a liquid handling member having high suction and high permeability
01/06/2000WO2000000016A1 Liquid transfer device, and use of the device for irrigation
01/06/2000WO1999057063A3 Method for removing nitrate ions from a solution