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)
06/2000
06/27/2000US6080300 Electrolytic process for generation of low-sulphate ferric hydroxide suspensions to effect purification of wastewater
06/27/2000US6080277 Cellulose particles, method for producing them and their use
06/27/2000CA2139887C Ultraviolet light apparatus for fluid purification
06/27/2000CA2064464C Treatment method for emulsified petroleum wastes
06/22/2000WO2000036412A1 Method for monitoring advanced separation and/or ion exchange processes
06/22/2000WO2000035815A1 Method for the iodination of water and beverages
06/22/2000WO2000035814A1 Controlling the outflow in cooling circuits
06/22/2000WO2000035813A1 Microorganism control of point-of-use potable water sources
06/22/2000WO2000035810A1 Dispersion of mineral particles stabilised by aluminium complexes
06/22/2000WO2000035807A1 Dispersion of silica particles stabilised by aluminium complexes
06/22/2000WO2000035588A1 Method and production plant for the manufacture of fibrous material
06/22/2000WO2000035573A1 Apparatus and method for point-of-use treatment of effluent gas streams
06/22/2000WO2000035569A1 Method, device and installation for continuously treating water
06/22/2000WO2000035302A1 Heat-treatment process for liquids
06/22/2000WO2000014304A8 Flow-through capacitor and method of treating liquids with it
06/22/2000CA2355769A1 Microorganism control of point-of-use potable water sources
06/22/2000CA2355656A1 Method and production plant for the manufacture of fibrous material
06/22/2000CA2352750A1 Heat-treatment process for liquids
06/21/2000EP1011024A1 Method for the depollution of a photographic bath using heat-reversible polymer particles
06/21/2000EP1010669A1 Method of treating waste water to remove harmful ion by coagulating sedimentation
06/21/2000EP1010455A1 Electro-membrane process for preparing nickel hypophosphite
06/21/2000EP1010371A1 Heat-treatment process for liquids
06/21/2000EP1009720A4 Method and apparatus for generating oxygenated water
06/21/2000EP1009720A1 Method and apparatus for generating oxygenated water
06/21/2000EP1009719A4 Improved method and apparatus for increasing the oxygen content of water
06/21/2000EP1009719A1 Improved method and apparatus for increasing the oxygen content of water
06/21/2000EP1009718A1 Device for degerminating water passing through a sanitary device
06/21/2000EP0841852A4 Biguanide composition and method for treating water
06/21/2000DE19938786A1 High precision cleaning of a glass substrate, including crystallized glass, e.g. substrate for magnetic, optical or optomagnetic disk, semiconductor or liquid crystal uses ionically activated water produced by electrolysis
06/21/2000DE19915808A1 Verfahren, Vorrichtung und Anlage zur kontinuierlichen Aufbereitung von Wasser Method, apparatus and system for continuous treatment of water
06/21/2000DE19859814A1 Process and assembly to disinfect a supply of drinking or household water with chlorine liberated by electrolysis and minimizing creation of lime scale
06/21/2000DE19858120A1 Verfahren zur thermischen Behandlung von nicht brennbaren Flüssigkeiten A process for the thermal treatment of non-flammable liquids
06/21/2000CN2383838Y Magnetizing mineralizing scale preventing apparatus for kettle
06/21/2000CN2383837Y Domestic scale remover
06/21/2000CN2383836Y Water purifier for drinking water apparatus
06/21/2000CN2383578Y Film-equipment for removing ammonia and nitrogen
06/21/2000CN2383523Y Multifunctional purifying sterilizer
06/21/2000CN2383517Y Magnetic thermal insulation baby's bottle
06/21/2000CN2383433Y Ozone sterilizing health drinking water apparatus
06/21/2000CN1257512A Preparation of water soluble polymer dispersions from vinylamide monomers
06/21/2000CN1257463A Product for bactericidal treatment of fluid
06/21/2000CN1257064A Process for recovering terephthalic acid from alkali reduced sewage
06/21/2000CN1257046A High-basicity calcium type polymerized aluminium silicon chloride compound coagulant and preparation process thereof
06/21/2000CN1257045A Method for dewatering flocculate precipitate from waste water of monosodium glutamate and making forage protein
06/21/2000CN1257044A Demulsification type organic flocculant and preparation process thereof
06/21/2000CN1257043A Device and method for treating water containing phosphoric acid ion
06/21/2000CN1257042A Technology for treating industrial waste water
06/20/2000US6077495 Generating chlorine dioxide gas by combining metal chlorite(s) with metakaolin microspheres and exposing the mixture to an atmosphere containing water vapor; do not react in the absence of water vapor, storage stability
06/20/2000US6077484 Tablet feeder for water and/or wastewater
06/20/2000US6077479 Apparatus for the disinfection of liquids
06/20/2000US6077446 Sand filtration filtering system using ozone
06/20/2000US6077445 While maintaining microbiological control
06/20/2000US6077444 Method for manufacturing a system for treating water
06/20/2000US6077439 Polysilicate microgels commonly known as ?activated silica? adsorb and release heavy metals selectively as a function of ph
06/20/2000US6077437 Polishing agent recovery and reuse method and device for the same removes large impurities by a filtration device, concentrates by an ultrafiltration device, and continuously recovers polishing agent; used for semiconductor polishing
06/20/2000US6077431 Process for decomposition and removal of dioxins contained in sludge
06/20/2000US6077427 Water vending machine
06/20/2000US6077416 Method for purification of waste water using an electric coagulator
06/20/2000US6077322 Retardation of dispersion of bitumen-in-water emulsions
06/20/2000US6076811 Water charging machine
06/20/2000US6076748 Odor control atomizer utilizing ozone and water
06/20/2000US6076536 Cleaning and passivating water distribution systems
06/20/2000US6076369 Evaporative concentration apparatus for waste water
06/20/2000US6076364 Ship with snow making capabilities utilizing seawater
06/20/2000CA2001581C High efficiency water distiller
06/15/2000WO2000034773A1 APPARATUS AND METHOD FOR MEASURING NOx AND NITRIFICATION/DENITRIFICATION RATES IN BIOCHEMICAL PROCESSES
06/15/2000WO2000034758A1 A biofouling monitor and methods to monitor or detect biofouling
06/15/2000WO2000034407A1 Powdery chelate-trapping material, process for producing the same, and method of trapping ion with the trapping material
06/15/2000WO2000034386A2 Gel-type copolymer beads and ion exchange resins made therefrom
06/15/2000WO2000034224A1 Methods for producing or purifying onium hydroxides by means of electrodialysis
06/15/2000WO2000034208A1 Reforming material for fluid material
06/15/2000WO2000034190A1 Method and compositions for minimizing biological and colloidal fouling
06/15/2000WO2000034187A1 A method and a bio reactor for use in the purification of water, and a bio-element for use in this connection
06/15/2000WO2000034186A1 Solid water treatment composition and methods of preparation and use
06/15/2000WO2000034185A1 Scale preventive device and water treatment apparatus comprising same
06/15/2000WO2000034184A1 Electrolytic apparatus, methods for purification of aqueous solutions and synthesis of chemicals
06/15/2000WO2000034183A2 Portable water purification device
06/15/2000WO2000033958A1 Treatment of power plant condensate water with ion exchange resins
06/15/2000WO2000033954A1 Methods of preparing and using electrostatically treated fluids
06/15/2000WO2000033937A1 Purifying device for liquid
06/15/2000WO2000033929A2 Removable filters and water heating vessels incorporating such
06/15/2000WO2000033757A1 A system for decontamination of dental unit waterlines using electrolyzed water
06/15/2000DE19857544A1 Steuerung der Abflut in Kühlkreisläufen Control of blow down in cooling circuits
06/15/2000DE19857014A1 Verfahren zur Messung von Wasser- und Abwasserparametern A method for measuring of water and wastewater parameters
06/15/2000DE19856982A1 Fixed or mobile siphon filter with electrical anodes processes polluted river water, industrial effluent or grey water
06/15/2000DE19856928A1 Enzymatic preparation of mangan ions, superoxide anions and hydrogen peroxide uses laccase
06/15/2000DE19856071A1 Verfahren zur Vermeidung einer Gewässerkontamination mit ortsfremden Organismen Procedures to prevent water contamination with non-local organisms
06/15/2000CA2354140A1 Portable water purification device
06/15/2000CA2353498A1 Methods of preparing or purifying onium hydroxides by means of electrodialysis
06/15/2000CA2353478A1 Solid water treatment composition and methods of preparation and use
06/15/2000CA2352873A1 Purifying device for liquid
06/14/2000EP1008920A1 Process for measuring water and waste water parameters
06/14/2000EP1008662A1 Electrode apparatus with perforated conductor electrode
06/14/2000EP1008565A1 Process for the preparation of thread, string, rope or woven fabric with photocatalyst for decomposing organic compounds
06/14/2000EP1008561A2 Calcium hardness reducing technology for recycled water of papermill
06/14/2000EP1008560A1 Biological removal of phosphorus from waste water
06/14/2000EP1008559A1 Method of treating animal waste
06/14/2000EP1008557A1 Hydrothermal electolysis method and apparatus
06/14/2000EP1008556A2 Process and system for the decontamination of polluated water
06/14/2000EP1008304A1 Method and apparatus for removing toxic substances from waste marine products
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