Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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09/08/2004 | CN1526651A Method of eliminating water insolubles (fine suspension and organic pigment) from alkali bittern |
09/08/2004 | CN1526650A Sea water desalting membrane distillation system with high efficiency and low cost |
09/08/2004 | CN1526649A Ultrapure water making system and its running method |
09/08/2004 | CN1165717C 锅炉 Boiler |
09/08/2004 | CN1165501C Method for removing soluble metal of organic composite acid and alkaline effluent material |
09/08/2004 | CN1165226C Water insoluble germicide and its preparation |
09/08/2004 | CN1165218C Method of manufacturing oxygen-enriching agent for water body |
09/07/2004 | US6787479 Method for producing water for use in manufacturing semiconductors |
09/07/2004 | US6787117 Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane |
09/07/2004 | US6787043 Water purification system and method |
09/07/2004 | US6787041 Arsenic removal via complex-adsorption media from a water pre-treated with carbon dioxide to lower the ph of the water |
09/07/2004 | US6787038 Using cyclodextrins; vertical circulation wells; complexing; air stripping |
09/07/2004 | US6787037 Flocculation, precipitation, filtration |
09/07/2004 | US6787036 Oxygen depleted wastewater fluid flow through vessel with set of perforated triangular vanes arranged to rotate about vertical axis; air is drawn, mixed and entrained in mist that coalesces to form bubbles; pumping, expulsion |
09/07/2004 | US6787034 Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
09/07/2004 | US6787021 Using electrolytic cells; supplying electric current; ion exchanging |
09/07/2004 | US6786976 Method and system for cleaning semiconductor elements |
09/07/2004 | US6786336 Support, especially ceramic, coated with chitosan |
09/06/2004 | CA2458359A1 Solute dispersion device |
09/05/2004 | CA2420920A1 Aerobic digester for bodily waste material |
09/02/2004 | WO2004074379A1 Mixture |
09/02/2004 | WO2004074213A1 Atomising system comprising a hydrogen peroxide composition |
09/02/2004 | WO2004074192A1 Method and arrangement for separating environmentally harmful substances from a polluted mass |
09/02/2004 | WO2004074190A1 Magnetic fluid treatment device and uses thereof |
09/02/2004 | WO2004074189A1 Electrode materials |
09/02/2004 | WO2004074188A1 Method and apparatus for processing fluids |
09/02/2004 | WO2004074187A1 A process, system and design for desalination of sea water |
09/02/2004 | WO2004074184A2 Wastewater purification apparatus |
09/02/2004 | WO2004074183A2 Chemical composition for the treatment of water |
09/02/2004 | WO2004074182A2 Flow regulator for controlled gravity flow of fluid |
09/02/2004 | WO2004073755A1 Gas delivery apparatus and methods of use |
09/02/2004 | WO2004073754A1 A device for sterilising a fluid |
09/02/2004 | WO2004046042A3 Treatment of a waste stream through production and utilization of oxyhydrogen gas |
09/02/2004 | WO2004045738A3 Freeze concentration system |
09/02/2004 | WO2004026364A3 Wearable ultrafiltration device |
09/02/2004 | WO2003100135A3 Electrode for gas evolution and method for its production |
09/02/2004 | US20040171706 High molecular weight flocculant |
09/02/2004 | US20040171705 hydrolysis of acrylonitrile polymers in the presence of acid or basic catalysts to form hydrophilic reaction products used for water treatment; pollution control |
09/02/2004 | US20040170877 Equipped with a water treatment system, such as an ion exchange resin filter for a coolant water cycle or a pure water cycle; protected from performance degradation and damage by determining when an ion exchange resin filter needs replacement |
09/02/2004 | US20040170822 Coating compositions for modifying hard surfaces |
09/02/2004 | US20040170742 Environmentally compatible processes compositions and materials treated thereby |
09/02/2004 | US20040170543 Using gas streams containing oxygen; oxidizer tower venting gases; circulation; compression |
09/02/2004 | US20040170538 Decomposition of oxidation resistant compounds in aqueous solution using ultrasonic frequency; irradiating edges with ultraviolet radiation |
09/02/2004 | US20040168990 Heat exchanging, adding steam, pressurization followed by depressurization and separation |
09/02/2004 | US20040168989 Self contained, portable; removing chemical, biological and/or radiological contaminants |
09/02/2004 | US20040168985 Method of manufacturing a coated zeolite adsorbent |
09/02/2004 | US20040168984 Water purification method |
09/02/2004 | US20040168980 Combination polymer treatment for flux enhancement in MBR |
09/02/2004 | US20040168978 Concentration ; extraction; reverse osmosis; filtration; water purification treatment; automatic cleaning |
09/02/2004 | US20040168977 Method for treating waste-activated sludge using elecroporation |
09/02/2004 | US20040168975 Treament of water |
09/02/2004 | US20040168968 Method for preparing an ion exchange media |
09/02/2004 | US20040168965 Self contained dissolved air flotation system |
09/02/2004 | US20040168963 Dual dispenser |
09/02/2004 | US20040168957 Fluid treatment device and counter mechanism |
09/02/2004 | US20040168933 Using anionic exchanged membranes as separators; applying voltage between electrodes; switcing polarity |
09/02/2004 | US20040168909 Efficient supplying current; rods of electroconductive material such as graphite; determination spacings; water treatment ; metallurgy ; pollution control |
09/02/2004 | US20040168901 Distillation apparatus |
09/02/2004 | DE19909930B4 Herstellung von tubulären PEM-Brennstoffzellen und Ionentauschermembranen Manufacture of tubular PEM fuel cell and ion exchange membranes |
09/02/2004 | DE10326666A1 Stoffgemische Mixtures |
09/02/2004 | DE10306722A1 Reverse osmosis process and assembly to render a spent dilute etching agent from a boiler pipe system fit for disposal |
09/02/2004 | DE10297296T5 Kanne zum Reinigen von Wasser für den Hausgebrauch Containers for purifying water for domestic use |
09/01/2004 | EP1452940A1 Systems and methods for providing time- and weight-based flexibly tolerant hardware ID |
09/01/2004 | EP1452493A1 Aeration system for submerged membrane modules |
09/01/2004 | EP1452492A1 Method for treating cyanide waste liquid |
09/01/2004 | EP1452491A1 Titanium-group metal containing high-performance water, and its producing method and apparatus |
09/01/2004 | EP1452484A1 Hydrogen peroxide solution |
09/01/2004 | EP1452215A1 Device and process for clarifying solids laden liquids |
09/01/2004 | EP1451231A1 Aqueous dispersions of water-soluble polymers of n-vinyl carboxylic acid amides, method for the production thereof and their use |
09/01/2004 | EP1451114A1 Coolant treatment formulation |
09/01/2004 | EP1451113A1 Integrated hydroponic and wetland wastewater treatment systems and associated methods |
09/01/2004 | EP1451112A1 Integrated hydroponic and fixed-film wastewater treatment systems and associated methods |
09/01/2004 | EP1451111A1 Odor control method |
09/01/2004 | EP1451110A2 Method for treating water and device for carrying out said method |
09/01/2004 | EP1450968A1 Distillation apparatus |
09/01/2004 | EP1450939A1 Filtration system having hydrophilic capillary membranes |
09/01/2004 | EP1450928A1 Methods of using modified natural products as dewatering aids for fine particles |
09/01/2004 | EP1450923A2 Regulatory compliance system and method |
09/01/2004 | EP1450922A1 Chemical feeder |
09/01/2004 | EP1450870A2 Ultraviolet disinfecting apparatus |
09/01/2004 | EP1305261B1 Method for floatation separation of a liquid, from particles suspended therein |
09/01/2004 | EP1278703B1 Sequestering |
09/01/2004 | EP1235502B1 Drinking straw |
09/01/2004 | EP0725679B1 Photocatalyst-binder compositions |
09/01/2004 | CN2637484Y Synthetic ammonia, urea waste liquid treatment device |
09/01/2004 | CN2637483Y Regulatable hydraulic drop network mixer |
09/01/2004 | CN2637482Y Waste awter re-using system |
09/01/2004 | CN2637481Y Running water activition device |
09/01/2004 | CN2637480Y Electromagnetic water treatment device |
09/01/2004 | CN2637479Y Magnetized water purifier |
09/01/2004 | CN2637478Y Automatic water treatment equipment for boiler |
09/01/2004 | CN2637477Y Domestic multifunctional pure water treatment device |
09/01/2004 | CN2637476Y Ionic water generator having synchronous reverse polar valve |
09/01/2004 | CN2637475Y Pipe-type film |
09/01/2004 | CN2637474Y Multifunctional water purifier |
09/01/2004 | CN2637473Y Improved siphon water purifier |
09/01/2004 | CN2637472Y Device for reversed loop continuous treatment of oil containing water |
09/01/2004 | CN2637471Y Photoelectron pipeline disinfector |
09/01/2004 | CN2637470Y Mud sewage separated discharge lifting device |
09/01/2004 | CN2637469Y Drinking water purifier with circulating flushing system |