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)
06/1998
06/16/1998US5766488 For contacting water with ozone
06/16/1998US5766485 Color removal from effluent waters
06/16/1998US5766484 Separating liquid containing waste materials; improved flow pattern due to the discharge outlet and inlet located adjacently
06/16/1998US5766479 Production of high purity water using reverse osmosis
06/16/1998US5766478 Water-soluble polymers for recovery of metal ions from aqueous streams
06/16/1998US5766476 First stage with aeration tank having anoxic environment, second stage operating under oxidizing conditons, either or both tanks containing an ion exchange resin
06/16/1998US5766461 Device for magnetically treating a fluid
06/16/1998US5766457 Water aeration system
06/16/1998US5766447 Method and device for treating an aqueous solution
06/16/1998US5766442 Electrode regeneration
06/16/1998US5766440 Method for treating sludge precipitated in a plating bath containing haloid ions
06/16/1998US5766438 Periodically inverting polarity of electrodes at short intervals
06/16/1998US5766431 Electrolyzer
06/16/1998US5766321 Apparatus for reducing dissolved oxygen
06/16/1998US5765403 Water treatment method and apparatus
06/16/1998CA2092837C Charge mosaic membrane and production process thereof
06/11/1998WO1998024729A1 Process and apparatus for utilizing animal excrement
06/11/1998WO1998024728A1 Process and apparatus for oxidation of contaminants in water
06/11/1998WO1998024727A1 Multi-modal method and apparatus for treating a solution
06/11/1998WO1998024531A2 Water purifier with adjustable volume in dwell passage
06/11/1998WO1998024518A1 Materials treatment
06/11/1998WO1998024517A1 Process for the removal of contaminants
06/11/1998WO1998015337A3 Solid filter
06/11/1998CA2276247A1 Process and apparatus for utilizing animal excrement
06/10/1998EP0846663A2 Device for liquid treatment by UV-irradiation
06/10/1998EP0846470A1 Batch dialysate conductivity adjustment in a batch dialysate preparation system
06/10/1998EP0846083A1 Process and device for treatment of water from a biodegradeable process
06/10/1998EP0846061A1 Treatment of solutions
06/10/1998EP0846026A1 Flow-through photo-chemical reactor
06/10/1998EP0846023A2 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces
06/10/1998EP0784600B1 Method for oxidation of organic waste liquors
06/10/1998EP0759012B1 Process for removing polluting material from water or wet solid matter
06/10/1998EP0749403B1 Process for purifying and reusing surfactant-containing waste waters
06/10/1998EP0731776B1 Oil-in-water emulsions as microbicide (biocide) substitutes in water carrying systems
06/10/1998EP0710218A4 Monitoring biological activity in wastewater
06/10/1998DE19650682A1 Recovery of aircraft deicing agents
06/10/1998DE19647293C1 Verhinderung und Verzögerung der Belagsbildung in Membranprozessen Prevention and delay of scale formation in membrane processes
06/10/1998CN2283651Y 净水器 Water Purifier
06/10/1998CN2283650Y Multifunction water purifier
06/10/1998CN2283649Y Ozone water purifyning plant for household
06/10/1998CN2283648Y Device for purification and polarization of water
06/10/1998CN2283647Y Solar energy seawater desalter
06/10/1998CN2283646Y Pressure purification water back
06/10/1998CN1184175A Washing machine, apparatus for removing free chlorine in washing machine and composition
06/10/1998CN1184082A Sewage treatment technology and equipment using refined diatomite as treating agent
06/10/1998CN1184081A Energy recovering device for sea water and bitter salt water desalting equipment based on reverse osmosis technology
06/10/1998CN1184005A Electrical ion exchange resin regenerating method and equipment
06/10/1998CN1183891A Sterilization process by using chlorine dioxide in preventing and controlling infectious diseases in aquatic cultivation
06/10/1998CN1038654C Devulcanizing agent prepared from waste acidic liquid and producing process thereof
06/09/1998US5765069 Process and apparatus for the development of photographic materials
06/09/1998US5763737 Treating with hydrogen peroxide to reduce toxicity
06/09/1998US5763530 Stable emulsion blends and methods for their use
06/09/1998US5763523 Acrylamide copolymers, flocculation and aldehyde scavengers
06/09/1998US5763472 Detection of microbes in water with kits having proteins
06/09/1998US5763382 Cold water wash formula
06/09/1998US5763083 Free-flowing particles comprising cellulosic plant fibers from waste recycling
06/09/1998US5762809 Heating aqueous wastes at natural ph and holding for predetermined times, then more controlled heating with addition of oxygen-containing gas and hydrogen peroxide for biodegradation of wastes and sewage
06/09/1998US5762808 Destruction of electron affinic contaminants during water treatment using free radical processes
06/09/1998US5762807 Demetallization by reacting water dissolved sulfur with alkali metal or alkaline earth metal hydroxide to reduce hydrogen sulfide emission
06/09/1998US5762802 Dilute acid oxidation of dinitrotoluene alkaline wash water
06/09/1998US5762797 Antimicrobial filter cartridge
06/09/1998US5762782 Water treatment for dialysate preparation
06/09/1998US5762779 Method for producing electrolyzed water
06/09/1998US5762774 Apparatus for the purification of liquids and a method of manufacturing and of operating same
06/09/1998US5762762 Distillation apparatus
06/09/1998US5762662 For removing wood dust from circulating water in waste gas precipitation system in wood processing
06/04/1998WO1998023793A1 Electrochemical plant
06/04/1998WO1998023545A1 Water strainer/purifier and method of using same
06/04/1998WO1998023544A1 Method and apparatus for water treatment by addition of hydrogen peroxide
06/04/1998WO1998023543A1 Method for improving wastewater treatment
06/04/1998WO1998023539A1 Method and apparatus for killing microorganisms in ship ballast water
06/04/1998WO1998023538A1 Wastewater treatment process and apparatus for high flow impurity removal
06/04/1998WO1998023537A1 Device for separating grease from drain water
06/04/1998WO1998023361A1 Apparatus and method for reverse osmosis desalination
06/04/1998WO1998023352A1 System for draining a liquid storage tank
06/04/1998WO1998023302A1 WASHER APPARATUS WITH WASTE WATER pH NEUTRALIZATION SYSTEM AND METHOD FOR pH NEUTRALIZATION
06/04/1998DE19641130C1 Automatic de-aerator for ion exchange vessel
06/04/1998CA2270434A1 Method and apparatus for killing microorganisms in ship ballast water
06/04/1998CA2267941A1 Water strainer/purifier and method of using same
06/03/1998EP0845495A2 Cellulose particles, method for producing them and their use
06/03/1998EP0845438A1 Oxygen scavenger and boiler water treatment chemical
06/03/1998EP0844981A1 Magnetic separation
06/03/1998EP0844915A1 Water recovery from a septic tank
06/03/1998EP0844907A1 Producing high purity water using reverse osmosis
06/03/1998EP0844906A1 Apparatus for the disinfection of liquids
06/03/1998EP0725762B1 Method for separating metals and alcohols from an emulsified organic/aqueous effluent
06/03/1998EP0707519B1 Adsorbent material production process
06/03/1998CN2283162Y Control valve for domestic water purifier
06/03/1998CN2283087Y Automatic purified water storage device
06/03/1998CN2283059Y Floating oil separating sediment pot
06/03/1998CN2283058Y Non-ion water purifier
06/03/1998CN2282915Y Full automatic energy-saving sewage treatment device
06/03/1998CN1183755A Treatment of formaldehyde-contg. waste stream
06/03/1998CN1183387A Three-stage high-quality water purifier
06/03/1998CN1183385A Mineral composition for preparing cell washing drinking material
06/03/1998CN1183384A Paper-making waste water treating agent, its use and process for treatment of papermaking waste water therewith
06/03/1998CN1183383A 净水器 Water Purifier
06/03/1998CN1183382A Process and apparatus for atomising and distilling treatment of sewage
06/03/1998CN1183314A Self-excitation reaction apparatus for clarifying treatment of water
06/03/1998CN1038606C Method and apparatus for treatment of industrial rinsed water
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