Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/1994
10/19/1994CN2179955Y Disk-type magnetic water heater
10/19/1994CN2179871Y High-frequency device for treatment of water
10/19/1994CN2179870Y Electromagnetic device for magnetization of water
10/19/1994CN2179869Y Microfine bubble generator
10/19/1994CN2179868Y Cup for purifying drinking water
10/19/1994CN2179867Y Pipe-line cleaner
10/19/1994CN2179777Y Evaporator with honeycomb
10/19/1994CN2179732Y Multi-functional magnetic hot-water pot
10/19/1994CN2179711Y Travelling magnetic mineral water pot
10/19/1994CN1093683A Drink water purifying cup
10/18/1994US5357291 Transportable electron beam system and method
10/18/1994US5357002 Polymer containing chelating groups, process for preparing it and its use in water purification
10/18/1994US5356548 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosion
10/18/1994US5356539 Oxidizing nitrophenols with hydrogen peroxide and ferrous ion catalyst under acidic conditions, removing nitroaromatics with carbon adsorbent
10/18/1994US5356534 Magnetic-field amplifier
10/18/1994US5356533 Bubbling system
10/18/1994US5356458 Computerized chemical injection system for hydrogen sulfide control in a waste water stream
10/18/1994CA2079632C Method for the removal of chromium compounds from aqueous solutions
10/13/1994WO1994023122A1 Method of treating process water
10/13/1994WO1994022772A1 Oxidative method of purifying highly contaminated waste water
10/13/1994WO1994022771A1 Method of treating water
10/13/1994WO1994022770A1 Metal removal from aqueous solution
10/13/1994WO1994022769A1 Inhibiting the growth of zebra mussels
10/13/1994WO1994022768A1 Removal of manganese from water
10/13/1994WO1994022555A1 Microfilter plate and process for making it
10/13/1994WO1994022554A1 Filter
10/13/1994WO1994022300A1 Compositions and methods for inhibiting the formation of chloramines and trihalomethanes in aqueous media
10/13/1994CA2160123A1 Method of treating process water
10/13/1994CA2159198A1 Oxidative method of purifying highly contaminated waste water
10/13/1994CA2137141A1 Inhibiting the growth of zebra mussels
10/12/1994EP0619273A1 Dephosphorization material and dephosphorization method
10/12/1994EP0619272A1 Method for the purification of waste water containing silver
10/12/1994EP0619271A1 Method for removing hydrocarbon products from water surfaces
10/12/1994EP0618883A1 Oil absorption method and apparatus utilizing a replaceable bladder
10/12/1994EP0558577B1 Spray degasser
10/12/1994EP0436715B1 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges
10/12/1994EP0389601B1 Multistage fractional freezing for superpurifying crystallizable substances
10/12/1994CN2179407Y Multifunction magnetizing water storage apparatus
10/12/1994CN2179373Y Magnetizer
10/12/1994CN2179372Y General water magnetizer
10/12/1994CN2179371Y Floating water purifier
10/12/1994CN2179370Y Thermaltube distilled water maker
10/12/1994CN2179192Y Multifunctional water purifier
10/12/1994CN1093342A Cation coagulant
10/12/1994CN1093341A Sea water desalination method and equipment
10/12/1994CN1093260A Natural selenium mineral concentrated water
10/11/1994US5354835 A polyetherurethane block copolymer gels as water absorbers
10/11/1994US5354515 Domestic electric appliance
10/11/1994US5354482 Process and apparatus for oxidizing industrial spent caustic and effecting gas-liquid mass transfer and separation
10/11/1994US5354481 Water-soluble highly branched polymeric microparticles
10/11/1994US5354480 Flocculation with a water-soluble cationic copolymer in a water-in-oil emulsion
10/11/1994US5354479 Adding high molecular weight polyethylene oxide and cellulose ether to process water to flocculate the resin
10/11/1994US5354478 Separating metals from waste water
10/11/1994US5354477 Low molecular weight amines and amine quaternaries for the removal of soluble organics in oil field produced water
10/11/1994US5354459 Apparatus and method for removing odorous sulfur compounds from potable water
10/11/1994US5354458 Sequencing batch liquid treatment
10/11/1994US5354436 Containing nitrogen oxides and/or nitrates
10/11/1994US5354434 Method for regenerating tetraalkylammonium hydroxide
10/11/1994US5354367 Water insoluble ink and vehicle; water reducible resin; water washable using an alkaline wash
10/11/1994CA1332475C Process for the treatment of effluents containing cyanide and toxic metals, using hydrogen peroxide and trimercaptotriazine
10/11/1994CA1332270C Process for the catalytic treatment of wastewater
10/08/1994CA2120633A1 Method for removing hydrocarbon products from water surfaces
10/06/1994DE4332762C1 Process and apparatus for the biological treatment of organically polluted waste water and organic waste
10/06/1994DE4310996A1 Disinfection method
10/06/1994DE4310264A1 Process and apparatus for sterilising cooling and washing water at dental and oral surgeries
10/05/1994EP0618592A1 Solution decontamination method using precipitation techniques
10/05/1994EP0618176A1 Process for color reduction of dye wastewater
10/05/1994EP0618175A2 Apparatus for conditioning water by Ozone
10/05/1994EP0617993A1 Microfilter disc and process for its production
10/05/1994EP0617991A1 Recovery of oil from waste oil fluids and removal of oil from industrial wastewaters
10/05/1994EP0617951A2 Portable liquid purifying device
10/05/1994EP0563097B1 Processing waste solidification
10/05/1994CN2178717Y Combined series clean water machine
10/05/1994CN1093089A Cephalosporin salts and process for the preparation thereof
10/05/1994CN1093061A Sinter with several microelements and its producing technology
10/04/1994US5352841 Agent for dosing aqueous systems with acrolein, processes for making same, and method of treating an aqueous system
10/04/1994US5352780 Grinding cellulose, reducing to pieces, conditioning with water and surfactant
10/04/1994US5352608 Bioreduction of metal oxides and oxyanions by photosynthetic bacteria
10/04/1994US5352421 Method and apparatus for effecting gas-liquid contact
10/04/1994US5352409 Buffer and method for buffering hot tubs and spas
10/04/1994US5352369 Method of treating water
10/04/1994US5352368 Aldehyde treatment system
10/04/1994US5352364 Serial treatment through at least two reverse osmosis stages; spiral fluid flow
10/04/1994US5352363 Immersing oily workpiece in aqueous detergent solution, applying ultrasonic wave to remove and disperse oil, heating to coalesce oil droplets without evaporating detergent, separating and removing oil
10/04/1994US5352359 Ultraviolet reactor with mixing baffle plates
10/04/1994US5352357 Waste water treatment system
10/04/1994US5352276 Water remediation
10/04/1994US5351651 Artificial sea-water
10/04/1994CA2035506C Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed
10/04/1994CA1332250C Method for the processing of organic compounds
10/04/1994CA1332249C Waste water treating process
10/03/1994CA2120323A1 Photoconductor for electrophotography
10/01/1994WO1995000442A1 Method and apparatus for purifying water
10/01/1994CA2136181A1 Process and device for purifying water
09/1994
09/29/1994WO1994021862A1 Flow through spill collection boom
09/29/1994WO1994021564A1 Process for reducing the volume of halogenated organic compounds in aqueous systems
09/29/1994WO1994021563A1 Process for reducing the volume of halogenated organic compounds in aqueous systems
09/29/1994WO1994021562A1 Method of separating anionic organic compounds out of aqueous solution
09/29/1994WO1994021561A1 Compact clarifier system for municipal waste water treatment
09/29/1994WO1994021360A1 Reverse osmosis water purifier