Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
03/2002
03/06/2002CN1338545A Water-saving appliances for kitchen
03/06/2002CN1338438A Method and apparatus for treating liquid
03/06/2002CN1338436A Process for treating biological clay in circulating water system
03/06/2002CN1338435A Process for treating cyclic cooling water
03/06/2002CN1338434A Process for treating cyclic cooling water containing sulfides
03/06/2002CN1338433A Method for using treated sewage in circulating water system
03/06/2002CN1338432A Process for desalinating seawater
03/06/2002CN1338338A Process and equipment for separating multi-phase media from each other
03/06/2002CN1080454C Cleaning method and system of semiconductor substrate and production method of cleaning liquid
03/05/2002US6352725 Fluid flow of bromine and chlorine to form bromine chloride; proportionation with overbased aqueous solution of alkali metal sulfamate
03/05/2002US6352644 Method of manipulating the chemical properties of water to improve the effectiveness of a desired process
03/05/2002US6352539 Surgical instrument with rotatable shaft
03/05/2002US6351986 Method for measuring water and wastewater parameters
03/05/2002CA2305118C Water treatment process for thermal heavy oil recovery
02/2002
02/28/2002WO2002016660A1 Reduction method using palladium-loaded biological cell as catalyst
02/28/2002WO2002016538A1 Use of percarbamic acids and diacyl percarbamates and precursors therefor
02/28/2002WO2002016495A1 Polymeric compositions for dewatering sewage sludges
02/28/2002WO2002016272A1 Water treatment method
02/28/2002WO2002016271A1 Method for treating metal contaminated water
02/28/2002WO2002016270A1 Fluid treatment
02/28/2002WO2002016269A2 Process and apparatus for blending product liquid from different thin film composite membranes
02/28/2002WO2002016262A2 Slurry treatment
02/28/2002WO2002016024A1 Electrostatic fluid conditioner
02/28/2002WO2002015945A1 Concept for slurry separation and biogas production
02/28/2002WO2002015811A1 Device for feeding a treatment liquid to medical appliances
02/28/2002WO2002015693A1 Synergistic biocidal composition
02/28/2002WO2001083385A3 Devices and method for production of traceable immunizing drinking water, other liquids and gas
02/28/2002WO2001068533A3 Method and device for purifying water
02/28/2002WO2001056040A3 Method for conditioning soda effluents in the form of nepheline
02/28/2002WO2001046029A3 Filtering cap for bottled fluids
02/28/2002US20020026160 Multiple continuous type liquid waste disposal apparatus
02/28/2002US20020024663 Method and apparatus for user guidance in optical inspection and measurement of thin films and substrates, and software therefore
02/28/2002US20020024278 Ultraviolet ray lamp and sterilizers and cleaners using the lamp
02/28/2002US20020023913 Electric thermo pot
02/28/2002US20020023882 Remover of fluoride ion and treatment method for wastewater containing fluoride ion using the same
02/28/2002US20020023871 Oriented structure for treating a fluid
02/28/2002US20020023870 Apparatus for recovering a specific ingredient in sea water
02/28/2002US20020023868 Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion
02/28/2002US20020023867 making a cantilever using lithographic techniques and forming microscopic electrodes at a distal end of the cantilever by sputtering and gas-assisted etching processing using a focused charge particle beam
02/28/2002US20020023866 Assembly for purifying water
02/28/2002US20020023865 Multi-element, reverse osmosis, liquid filter system with flushing and filtering circuits
02/28/2002US20020023847 Inputting an electrolyte and water into an electrolysis unit; generating, in electrolysis an alkaline solution for cleansing and an acidic solution for disinfecting; outputting alkaline solution or acidic solution from electrolysis unit onto object
02/28/2002US20020023678 Float for liquid waste disposal apparatus
02/28/2002DE19944799A1 Verfahren zur Verbesserung der Wasserqualität von Hälterungswässern A method for improving the water quality of Hälterungswässern
02/28/2002DE19932436C2 Trinkwarmwasserleitungsanlage Domestic hot water line system
02/28/2002DE10124074A1 Physical and chemical reactor for fluids, impacts translating or rotating flows, generating friction resulting from velocity difference
02/28/2002DE10120956A1 Apparatus for dephosphation of surface water has gravel and sand filter with water supply above exchangeable ferrous material container and aerated tapered bottom with exchangeable iron phosphate collector
02/28/2002DE10040730A1 Device for treating liquids and gases comprises funnel having part directed from funnel opening formed as mold sleeve body with section of hyperboloid
02/28/2002DE10040545A1 Mechanical disintegration of biogenic sewage sludge containing cells, aggregates of cells and suspended particles comprises breaking up aggregates and primary disintegration of cells
02/28/2002DE10037044A1 Verfahren zur flotativen Trennung einer Flüssigkeit, insbesondere Wasser, von hierin suspendierten Teilchen Method for flotation separation of a liquid, especially water, suspended particles herein by
02/28/2002DE10029232A1 Separation of aqueous dispersions for sewage treatment comprises treating with a solvent with a density below that of the disperse phase itself but above a set minimum
02/27/2002EP1182170A1 Water treatment by means of evaporators that are incorporated in the wind-powered generator tower or bild next to it
02/27/2002EP1181965A1 Device for cleaning a fluid in the form of a vapor from a circuit
02/27/2002EP1181844A1 Method and ballast for feeding a uv light low pressure radiator
02/27/2002EP1181249A1 Method for the inactivation of cryptosporidium parvum and giardia cysts using ultraviolet light
02/27/2002EP0873388B1 Process for the washing of laundry
02/27/2002EP0769087B1 Cassette device
02/27/2002CN2479073Y Sewage disposal water-saving device
02/27/2002CN2479071Y Domestic water-saving device
02/27/2002CN2479070Y Water-saving device
02/27/2002CN2479008Y Continuous wave vertical corrugated plate reactor
02/27/2002CN2479007Y Domestic waster water treater
02/27/2002CN2479006Y Device of magnitizing water
02/27/2002CN2479005Y Oil-containing waste water recovery treater
02/27/2002CN2479004Y Air-floated equipment for treatment of waste water
02/27/2002CN2479003Y Bed for treatment of living sewage capable of planting flowers and plants
02/27/2002CN1337923A Composition and method for simultaneously precipitating metal ions from semiconductor waste water and enhancing microfilter operation
02/27/2002CN1337922A Apparatus for ultraviolet light treamtent of fluids
02/27/2002CN1337919A Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control
02/27/2002CN1337857A Drinks with the use of seawater and process for producing the same
02/27/2002CN1337578A Method and apparatus for estimating performance of anion-exchange resin and condensed-water desalting device
02/27/2002CN1337362A Acid-water spraying device
02/27/2002CN1337361A Oil field sewage decontaminating method and apparatus
02/27/2002CN1337356A Production process of aluminium iron sulfate polymer as composite water purifying agent
02/27/2002CN1079950C Monitoring water treatment agent in-system concentration and regulating dosage
02/27/2002CN1079781C Method for clarification of emulsified oil from oil field water
02/26/2002US6350605 Cultures of algae and manganese oxidizing bacteria; removing and recycling manganese from water
02/26/2002US6350410 Method and composition for inhibiting biological fouling in an irrigation system
02/26/2002US6350385 Method and apparatus for controlling water system fouling
02/26/2002US6350383 Remediation material and remediation process for sediments
02/26/2002US6350380 Immobilization of metals in body of water
02/26/2002US6350378 Water quality improver
02/26/2002US6350377 Device for thickening liquids or sludges
02/26/2002US6350376 Reductive heat exchange water and heat exchange system using such water
02/26/2002US6349835 Water treatment installation
02/26/2002US6349563 Device and method for desalinating salt water and method of producing carbon dioxide exhausting means
02/26/2002CA2229055C Weathered reef-building coral material
02/26/2002CA2121465C Process for removing arsenic from water
02/23/2002CA2316595A1 A sorbent composition and apparatus for removing oil or oily substance from water and process of manufacturing said composition
02/21/2002WO2002014969A1 Supervision and control system for water treating facilities
02/21/2002WO2002014850A1 A process and device for continuous ionic monitoring of aqueous solutions
02/21/2002WO2002014764A2 Method and apparatus for microwave utilization
02/21/2002WO2002014228A2 Under the counter water treatment system
02/21/2002WO2002014226A1 A process for producing ozone-containing sterilizing water and an apparatus used therefor
02/21/2002WO2002014225A1 Ionization device which is mounted with gold pole or silver pole
02/21/2002WO2002014224A1 Device and method for electrodialysis
02/21/2002WO2002014223A1 Method of separating anionic fluorochemical surfactant
02/21/2002WO2002014222A1 Process and apparatus for treating ammonia-containing waste water
02/21/2002WO2002013981A1 Method for cleaning ultrapure water supplying system
02/21/2002WO2002013962A1 Reuse of used cooking oil adsorbants