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)
04/1996
04/03/1996CN1119703A Digital control anti-permeability pump
04/03/1996CN1119628A High-efficiency water purifying treatment device
04/03/1996CN1119626A Process for producing polymeric aluminum sulfate
04/02/1996US5504335 Fluid treatment device and method
04/02/1996US5504124 Process for removing unwanted material from wanted material
04/02/1996US5504050 Carbonizing bituminous coal, oxidizing, contacting with nitrogen cotaining compound
04/02/1996US5503836 Applying a compound or mixture of nonionic or amphoteric surfactant as molluscicide
04/02/1996US5503809 Compact ozone generator
04/02/1996US5503800 Ultra-violet sterilizing system for waste water
04/02/1996US5503775 Method of preventing yellow metal corrosion in aqueous systems with superior corrosion performance in reduced environmental impact
04/02/1996US5503751 Treatment with chemicals, precipitation, filtration
04/02/1996US5503747 Device for treating waste water especially rainwater
04/02/1996US5503742 Shower filter assembly having reversible filter
04/02/1996US5503736 Hydroboost piston pump for reverse osmosis system
04/02/1996US5503729 Stack comprising sulfonic, ammonium, and/or phosphonium ion exchange resin membranes and/or packing granules; water softening, demineralization, deashing milk
04/02/1996US5502978 Water cooling apparatus
04/02/1996CA2055879C Tap water purifier to be directly coupled to faucet pipe
04/02/1996CA1338225C Water conditioning system
03/1996
03/28/1996WO1996009443A1 A method and a device for recovering water from a humid atmosphere
03/28/1996WO1996009253A1 Method for cleaning contaminated water
03/28/1996WO1996009252A1 Disinfection of water by ozonation
03/28/1996WO1996009251A1 Method for processing acid effluents
03/28/1996WO1996009250A1 Replaceable integrated water filtration and sterilization cartridge and assembly therefor
03/28/1996WO1996009249A1 Water decontamination system with dimmer-controlled ultraviolet lamp
03/28/1996DE4440353A1 Treating liqs. contg. pollutants, esp. stripped paints or dyes enabling more economical disposal
03/28/1996DE4434414A1 Continuous purificn. of waste water contg. ammonium ions
03/28/1996DE4433634A1 Unit to remove phosphate from bodies of water
03/28/1996DE4433275A1 Immobilising strontium and barium ions in sludge from sulphide leaching plants
03/28/1996DE19532478A1 Boiling water reactor operation in power station without contamination
03/28/1996DE19507239A1 Process and assembly remove silt and clay from ground water
03/27/1996EP0702991A1 Coalescing element for a light liquids separator
03/27/1996EP0702662A1 Method for treating water using an organic sanitizer and a persulfate
03/27/1996CN2223295Y Double-tank type water treatment apparatus
03/27/1996CN2223294Y Mixer for ozone water sterilizing machine
03/27/1996CN2223293Y Domestic water purifier
03/27/1996CN2223292Y Water purifier
03/27/1996CN2223291Y Active water generator
03/27/1996CN2223006Y Magnetic container
03/27/1996CN1031398C Vacuum cyclone running water deoxidizing device
03/27/1996CA2132929A1 Water decontamination system with dimmer-controlled ultraviolet lamp
03/27/1996CA2132897A1 Waste water treatment system
03/26/1996US5501843 Scrapers for cleaning outsides of tubes
03/26/1996US5501802 Method for treating water using an organic sanitizer and a persulfate
03/26/1996US5501801 Water treatment
03/26/1996US5501800 Treatment of water to remove gas vacoulate cyanobacteria
03/26/1996US5501799 Method to remove inorganic scale from a supercritical water oxidation reactor
03/26/1996US5501798 Microfiltration enhanced reverse osmosis for water treatment
03/26/1996US5501796 Method for separating materials
03/26/1996US5501767 Method for gettering noble metals from mineral acid solution
03/26/1996US5501741 Process for purifying aqueous rinse solutions used in metal forming operations
03/26/1996CA1338195C Porous article impregnation resin composition, and system for treating impregnation process waste water
03/24/1996CA2148055A1 Agents having high nitrogen content and high cationic charge based on dicyanimide, dicyandiamide or guanidine and inorganic ammonium salts
03/21/1996WO1996008447A1 Nitrate recovery facility
03/21/1996WO1996008446A1 Water purification device
03/21/1996DE4433287A1 Reducing pollution in water contg. e.g. chlorine
03/21/1996DE4433028A1 Fluid-processing device with a central porous filter and outer spiral passage
03/21/1996DE4430122A1 Purifying ground air and ground water loaded with organic pollutants
03/21/1996DE19533658A1 Removing inorganic or oxidisable nitrogen cpds. from waste water
03/20/1996EP0702037A1 Water soluble graft copolymers for deinking process water clarification
03/20/1996EP0701973A1 Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same
03/20/1996EP0701972A1 Process and plant for purifying industrial waste water
03/20/1996EP0701971A1 Method for purification of groundwater
03/20/1996EP0701536A1 Water purification composition and its use
03/20/1996EP0701476A1 Method of treatment of water polluted predominantly by an oily component using bentonite
03/20/1996EP0660747B1 Modules for electrodeionization apparatus
03/20/1996CN2222713Y Agent adding device for treatment of water
03/20/1996CN2222712Y Gas and liquid magnetizer
03/20/1996CN2222495Y Magnetic non-scale mineralizing vacuum bottle capable of distilling by electric heating and auto-discharging
03/20/1996CN2222494Y Magnetic thermos bottle
03/20/1996CN1118805A Technical process for recovering methanol and light oil from emulsified waste liquid
03/20/1996CN1118768A Automatic monitoring system for boiler water in concert with PH-phosphate treatment
03/20/1996CN1118767A Process for producing inorganic high molecular composite water purifying agent
03/20/1996CN1118766A A hexagonal molecular structure water manufacturing apparatus and a method thereof
03/19/1996US5500368 Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate-reducing bacteria
03/19/1996US5500213 Gelled biocidal treatments
03/19/1996US5500185 Deoxygenation process
03/19/1996US5500135 Method for effecting gas-liquid contact
03/19/1996US5500133 Complexing, precipitating, and removing impurities from water
03/19/1996US5500131 Flocculation
03/19/1996US5500130 Method for effecting gas-liquid contact
03/19/1996US5500125 Process for recycling photographic wash water
03/19/1996US5500121 Apparatus for magnetically treating fluids
03/19/1996US5500112 Apparatus for biological treatment of effluent
03/19/1996US5500097 Method for removing organic compound in water
03/19/1996CA2085951C Liquid sorbent
03/19/1996CA2052153C Disinfection by-products removal in water purification
03/19/1996CA1338165C Process for removal of nickel from effluent containing edta
03/18/1996CA2158404A1 Process for the purification of groundwater
03/17/1996CA2151973A1 Water soluble graft copolymers for deinking process water clarification
03/14/1996WO1996007775A1 Method of treating waste liquor from final water washing tank used in cation electrodeposition painting
03/14/1996WO1996007752A1 Natural polysaccharide adhesives of hyphomonas
03/14/1996WO1996007620A1 A method and device for dewatering of sludge
03/14/1996WO1996007617A1 Method of removing chlorine and halogen-oxygen compounds from water by catalytic reduction
03/14/1996WO1996007615A1 Water treatment process
03/14/1996WO1996007483A1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids
03/14/1996WO1996007462A1 Sieve system for an ion exchange column
03/14/1996WO1996007460A1 Process and device for desalinating sea water
03/14/1996DE4435774C1 Sepn. of zinc from solns. and slurries contg. chromium, esp. waste water or galvanic slurry
03/14/1996DE4432042A1 Begasungs-/Flotations-Reaktor und Regeleinrichtung Gassing / flotation reactor and control device
03/14/1996DE4431975A1 Removal of chlorine cpds. formed as by=prods. during the oxidative disinfection of e.g. drinking water
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