Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1995
11/16/1995CA2189681A1 Process for the demineralization of a liquid containing dissolved organic substances and salts
11/16/1995CA2189472A1 Process for treating a medium containing organic constituents
11/15/1995EP0681994A1 Germ barrier for a sieve filter in a household water filter
11/15/1995EP0681993A1 Multilayered device for desinfection and purification of water
11/15/1995EP0681559A1 Amorphous silica, its preparation and uses
11/15/1995CN1111599A Magnetic filtering sewage purifying method and equipment
11/15/1995CN1111545A Apparatus for processing liquids
11/14/1995US5466425 Biological decontamination system
11/14/1995US5466382 Synergistic microbicidal combinations containing 4,5-dichloro-2-n-octyl-3-isothiazolone and certain commercial biocides
11/14/1995US5466381 With water soluble azo compound
11/14/1995US5466379 Pollution control using glass wool mats sprayed with starch and silicone binders, saturation and combustion
11/14/1995US5466378 Oxidized activated carbon for the control of pH and alkalinity in water treatment applications
11/14/1995US5466374 Process for treating organically polluted water
11/14/1995US5466367 Industrial waste water treatment
11/14/1995CA2027869C Microbicidal compositions of dimethylamine-epichlorohydrin amines
11/14/1995CA1337557C Removal of nitric oxide from waste gases and recovery as nitric acid
11/09/1995WO1995029878A1 Water purifier
11/09/1995WO1995029877A1 Water- and chemical recycling
11/09/1995WO1995029876A1 Heavy metal cation recovering agent including a silicate or aluminosilicate type compound or a carbonate type compound, and a carrier
11/09/1995WO1995029875A1 Heavy metal cation recovering agent including a silicate or aluminosilicate type compound and a carbonate type compound
11/09/1995WO1995029584A1 Process and device for supplying water in ponds and aquaria with co¿2?
11/09/1995DE4416576C1 Spherical active carbon prodn.
11/09/1995DE4415392A1 Returning poisonous surface water wastes to dump via analytical station
11/08/1995EP0681015A1 Binder for absorbing oil and process for manufacturing it
11/08/1995EP0680934A2 Method for the treatment of waste waters containing heavy metals
11/08/1995EP0680933A1 Process and plant for the treatment of a raw fluid flow by simple settlement after introducing fine sand
11/08/1995EP0680932A2 Electrochemical deionisation
11/08/1995EP0680931A1 Process for treating a medium containing organic constituents
11/08/1995EP0680695A2 Compositions comprising 4,5-dichloro-2-N-octyl-3-isothiazolone and certain commercial biocides
11/08/1995EP0680694A2 Compositions of fluorescent biocides for use in aqueous systems
11/08/1995EP0680604A1 Control of dewatering processes
11/08/1995EP0680536A1 Oil barrier.
11/08/1995EP0680457A1 Fluid treatment device and method.
11/08/1995EP0680456A1 Process for disinfecting hot water supply systems
11/08/1995EP0473653B1 Effluent treatment
11/08/1995CN2212264Y Submersible magnetizing water sterilizing fluorescent lamp
11/08/1995CN2212008Y Integrate fluorine remover for drinking water
11/08/1995CN2212007Y Fluorine remover for drinking water
11/08/1995CN2212006Y Multi-stage magnetizing device
11/08/1995CN2212005Y Continuous operation electrolytic device by electrochemical treating waste water
11/08/1995CN2212004Y Ultraviolet sterilizer for water
11/08/1995CN2212003Y Water filter
11/08/1995CN2211848Y Filter head plate for air and water back flushing
11/07/1995US5464908 Process for preparing water-soluble polymers
11/07/1995US5464636 Biocidal methods and compositions for recirculating water systems
11/07/1995US5464605 Process for the decomposition and removal of peroxides
11/07/1995US5464559 Composition for treating water with resin bound ionic silver
11/07/1995US5464532 Water softener with resin beads of different mesh sizes
11/07/1995US5464531 Portable water purification system
11/07/1995US5464530 Ion exchange methods and systems incorporating regenerant recycling
11/07/1995US5464513 Method and apparatus for water decontamination using electrical discharge
11/07/1995US5464480 Process and apparatus for the treatment of semiconductor wafers in a fluid
11/07/1995CA2148320A1 Electrochemical deionisation
11/07/1995CA2025910C Process for inhibiting bacterial adhesion and controlling biological fouling in aqueous systems
11/04/1995CA2148189A1 Synergistic microbicidal combinations containing 4,5-dichloro-2-n-octyl-3-isothiazolone and certain commercial biocides
11/03/1995CA2148332A1 Compositions of fluorescent biocides for use as improved antimicrobials
11/02/1995WO1995029131A1 Filter jug and a lid therefor
11/02/1995WO1995029130A1 Oxygen enriched liquids, method and apparatus for making, and applications thereof
11/02/1995WO1995029129A1 Water treatment system
11/02/1995WO1995029128A1 Water purification system and method
11/02/1995WO1995029127A1 Water treatment apparatus
11/02/1995WO1995029008A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/02/1995WO1995029005A1 Improvements in electrodialysis including filled cell electrodialysis (electrodeionization)
11/02/1995WO1995029004A1 Liquid filtration system
11/02/1995WO1995029001A1 Chemical feeder
11/02/1995EP0679612A1 Installation for the treatment of heterogenous wastes in an autoclave by means of wet oxidation
11/02/1995EP0679432A2 Backflow prevention system for media bed reactor
11/02/1995EP0630291B1 Abrasion-resistant carrier catalyst
11/02/1995EP0594800B1 Device for removing purified water from circular settling tanks
11/02/1995EP0527882B1 Method and device for porous-electrode electrolysis
11/02/1995EP0458797B1 A coffee and/or tea machine
11/02/1995DE4414796A1 Verfahren und Vorrichtung zum Versorgen von Teich- und Auqarienwässern mit CO¶2¶ Method and apparatus for supplying pond and Auqarienwässern with CO¶2¶
11/02/1995DE4409192C1 Deacidifying potable or other water
11/02/1995DE19512244A1 Ceramic moulded body for keeping fresh water in slightly acidic state
11/02/1995CA2188649A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/01/1995CN2211579Y Solar magnetized water heater
11/01/1995CN2211444Y High purity electric heating water distiller
11/01/1995CN2211443Y Internal heating multiple pipe water distiller for filling water
11/01/1995CN2211318Y Ultrafilter for drinking water
11/01/1995CN1110961A Method and apparatus for treating water containing organic sulfur compounds
11/01/1995CN1110960A Technique for prodn. of most effective organic and inorganic compound water purifying agent
10/1995
10/31/1995USRE35074 Using curving tray with baffles, forced air flow to cause frothing, evaporation of contaminants
10/31/1995US5463099 Radioactive material
10/31/1995US5462785 Liquid hydrocarbon sorbing and solidifying pillow
10/31/1995US5462674 Using ceramic membrane filters
10/31/1995US5462672 Diluting sludge with water to desired specific gravity, then flocculation, filtration and dehydration
10/31/1995US5462671 Adding nitrous acid to decomplex the metals, adding base to precipitate the decomplexed metals from solution
10/31/1995US5462670 Process for removing oils and greases from aqueous solution
10/31/1995US5462669 Method for dissolved air floatation and similar gas-liquid contacting operations
10/31/1995US5462668 Use of steam to condensate to dilute brine stream additives
10/31/1995US5462661 Solid-liquid separator for sludge
10/31/1995US5462655 Vehicle containment mat with vacuum recovery and recycle means
10/31/1995US5462644 Killing microorganism in biofilm on surfaces of medical equipment, tissue or implant by applying electric field to an electroconductive medium in which biofilm is contained, medium either include biocide or generate in situ by applying voltage
10/31/1995US5461991 Equipment and process for molten alloy pyrolysis of hazardous liquid waste
10/30/1995CA2144028A1 Backflow prevention system for media bed reactor
10/26/1995WO1995028567A1 Ocean thermal energy conversion (otec) system
10/26/1995WO1995028511A1 Method and apparatus for removal of selenium from solution
10/26/1995WO1995028359A1 Process and device for purifying water, in particular from a composting process
10/26/1995WO1995028358A1 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis
10/26/1995WO1995028357A1 Rejuvenative catalytic oxidation of waste water, particularly for removal of cyanide and sulfur compounds
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