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