Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/1997
12/29/1997EP0814060A2 Process for increasing the pH of acidic water
12/29/1997EP0813502A1 Electrocoalescent system for decontaminating water streams
12/29/1997EP0813501A1 Electrochemical treatment method and device for softening water
12/29/1997EP0755362A4 Electrolytic water treatment
12/29/1997EP0673350B1 Metal accumulation
12/24/1997WO1997048755A1 Water-in-oil emulsion spray drying process
12/24/1997WO1997048750A1 Spray-drying oil recovery process
12/24/1997WO1997048732A2 Spray-dried polymer compositions and methods
12/24/1997WO1997048711A1 Dendrimers based on saccharides
12/24/1997WO1997048646A1 Desalination apparatus and method of operating the same
12/24/1997WO1997048490A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
12/24/1997WO1997048423A1 Device for catalytically dissolving hydrogen peroxide
12/24/1997WO1997048421A2 Apparatus and methods for the disinfection of fluids
12/24/1997CN2271173Y Tubular sewage treatment apparatus
12/24/1997CN2271172Y Ozone gas and water mixer
12/24/1997CN1168659A Radiation module, its application and method for self-cleaning
12/24/1997CN1168637A Biofilm avoidance and removal process and composition
12/24/1997CN1168353A Metallic ion-linear condensed state magnetized mineral-dissolving water and its preparation method
12/24/1997CN1168352A Special regeneration agent for boiler water treatment
12/24/1997CN1168296A Process for treating waste water of flue gas desulfurization
12/24/1997CN1036774C Preparing method for zinc polysilicate flocculate agent and use
12/24/1997CA2258865A1 Apparatus and methods for the disinfection of fluids
12/24/1997CA2258756A1 Water-in-oil emulsion spray drying process
12/24/1997CA2258688A1 Spray-drying oil recovery process
12/24/1997CA2251807A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
12/23/1997US5701050 Immersion lamp for a photochemical reactor and its use
12/23/1997US5700893 Comprising a n-vinylamides and a cationic quaternary acrylic ester ammonium or pyridinium compound monomers; papermaking
12/23/1997US5700769 Electrone acceptor is 2,2-azino-bis/3-etylbenzothiazoline-6-sulfonate; inhibits the transfer of textile dye from first dyed fabric to second fabric when washed together
12/23/1997US5700377 Purification of water
12/23/1997US5700371 Water treatment cartridge and base
12/23/1997US5699930 Tank assembly and method for water treatment
12/23/1997CA2094282C Chemical feed apparatus
12/23/1997CA2050480C Process for non-polluting spray painting with a dispersion of oven drying paint in water
12/18/1997WO1997047560A1 Electrode and apparatus for performing electrochemical reactions
12/18/1997WO1997047380A1 Acid contacted enhanced adsorbent and/or catalyst and binder system
12/18/1997DE19624015A1 Sample analyser with unit to reduce halogenated compounds in waste
12/18/1997DE19623379A1 Assembly for destruction of bacteria in liquid foodstuffs
12/18/1997DE19623284A1 Organic adsorption membrane removing particles of wide size range from water
12/18/1997CA2257509A1 Acid contacted enhanced adsorbent and/or catalyst and binder system
12/17/1997EP0813116A1 Process and device for the continuous separation of a photopolymer-water mixture using membranes and filters
12/17/1997EP0812807A2 Process and reactor for continuously microbiologically treating highly loaded wastewater
12/17/1997EP0812806A1 Method and device for purifying polluted water
12/17/1997EP0812805A2 Process and apparatus for treating cold water
12/17/1997EP0812619A1 Inorganic transparent photocatalytic composition
12/17/1997EP0812618A2 Resin fibers for treatment of oil bearing waste water and method of treating oil bearing waste water
12/17/1997EP0812546A1 Food and drink and additive therefor
12/17/1997EP0812538A1 Preservative compositions
12/17/1997EP0812304A1 Method and installation for the removal of resins and tars in wet-scrubbing and wet electrostatic precipitation plants
12/17/1997EP0812303A1 Flocculating agent containing aluminium and a polybasic carboxylic acid
12/17/1997EP0812302A1 System for water disinfection and separation of contaminants
12/17/1997EP0812301A1 Photocatalyst compound and process for production thereof
12/17/1997EP0641252B1 Compositions and processes for removing, separating and concentrating desired ions from solutions
12/17/1997EP0560980B1 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products
12/17/1997CN2270985Y Automatic control protector for distilled water device
12/17/1997CN2270729Y Improved underwater high dissolved oxygen device
12/17/1997CN2270728Y Mercury sewage treatment pot
12/17/1997CN2270727Y Double grade electrolysis superpure water machine
12/17/1997CN2270726Y Fully automatic continuous ion exchange fibrous water softener
12/17/1997CN2270725Y Sponge iron particle filtering deaerator
12/17/1997CN2270724Y Automatic continuous iron powder filtering ion exchange combined deaerator
12/17/1997CN1168126A Small-cluster water
12/17/1997CN1167744A Production of organic mixed fertilizer using paper-making black liquor waste
12/17/1997CN1167735A Process for preparing effective compound polyaluminium chloride and aluminium sulfate, and use thereof
12/17/1997CN1167734A Water purifier
12/17/1997CN1167733A Method and apparatus for production of drink water and salt
12/17/1997CN1167732A Water purification apparatus
12/17/1997CN1167731A Apparatus for producing deoxygenized hot water for tyre plant
12/16/1997USRE35689 Apparatus for magnetic treatment of liquids
12/16/1997US5699272 Water softening system with self adjusting rinse cycle
12/16/1997US5698512 Water soluble polymers containing allyloxybenzenesulfonic acid monomer
12/16/1997US5698488 Catalytic oxidation of aqueous organic contaminants
12/16/1997US5698139 Method of making poly (linseed oil/isobutyl methacrylate) as a coagulant for oil
12/16/1997US5698109 Purification of aqueous liquor
12/16/1997US5698108 Mixture of water soluble lignosulfate, alkylene polyamine and water
12/16/1997US5698107 Treatment for acid mine drainage
12/16/1997US5698095 Method and apparatus for human waste treatment
12/16/1997US5698091 Pressed carbon block filter and source of radiant ultraviolet energy
12/16/1997US5698028 Composition and process for improving soil
12/11/1997WO1997046595A1 Method and products to absorb oil and organic solvents from water and from sea
12/11/1997WO1997046494A1 Heating and reaction system and method for superchemical treatment of a liquid stream
12/11/1997WO1997046492A1 Process for producing deionized water by electrical deionization technique
12/11/1997WO1997046491A1 Process for producing deionized water by electrical deionization technique
12/11/1997WO1997046490A1 Removal of metal salts by electrolysis using an ion exchange resin containing electrode
12/11/1997WO1997046489A1 Electrolyzed water generating apparatus, cleaning method using electrolyzed water, and cleaning agent used in same
12/11/1997WO1997046305A2 Improved water treatment system
12/11/1997WO1997046300A1 Waste water grease filter
12/11/1997WO1997038943A3 Apparatus and method for oxidizing organic materials
12/11/1997DE19701636C1 Treatment of phosphate cleaning agent solutions contaminated with oil
12/11/1997DE19622430A1 Chemical mechanical process for removing ammonium, nitrogen and phosphate(s) from sewage sludge
12/11/1997CA2257464A1 Heating and reaction system and method for superchemical treatment of a liquid stream
12/11/1997CA2256334A1 Method and products to absorb oil and organic solvents from water and from sea
12/11/1997CA2256326A1 Improved water treatment system
12/10/1997EP0811579A2 UV-fluid treatment system and process
12/10/1997EP0811578A2 Device for fluid sterilization
12/10/1997EP0811017A1 Cellulose particles, method for producing them and their use
12/10/1997EP0810976A1 Purification system for raw water, in particular for waste water
12/10/1997EP0633846B1 Method for automatic washing of vehicles
12/10/1997EP0621801B1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
12/10/1997EP0546168B1 Silver recovery element and process
12/10/1997CN2270045Y Powerless chlorine dioxide sterilizing device