Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2003
10/02/2003US20030185728 Irradiating ultraviolet rays whose wavelength is less than 300 nm to the polluted liquid or the polluted gas; acid electrolytic water feed pipe and an alkali electrolytic water feed pipe for neutralization
10/02/2003US20030185727 Uv-irradiation device for treating fluids, comprising an improved cleaning device
10/02/2003US20030185704 Physiologically balanced, ionized, acidic solution and methodology for use in wound healing
10/02/2003US20030183585 Reproducing the polluted water as environmentally friendly. The ozone water-producing system and its control method in which an ozone water-producing apparatus can be all purposely used indoors or outdoors irrespective of the condition of a
10/02/2003US20030183584 Ozonation of contaminated liquids under high pressure
10/02/2003US20030183583 Methods and processes for iodine disinfection
10/02/2003US20030183579 Process for the preparation of arsenic free water, apparatus therefor, method for the manufacture of porous ceramics for use in pressure filtration to produce arsenic free water
10/02/2003US20030183576 Composite semipermeable membrane,method for preparing the same, and method for water treatment using the same
10/02/2003US20030183575 Using a fluorometer to determine an amount of the inert fluorescent tracer and the tagged fluorescent agent in the stream
10/02/2003US20030183574 Purification of water using reversed osmosis. Water is forced through a membrane element (10) under pressure, which is obtained by a high pressure pump (2), where the water which is supplied to the element is both from the outside supplied,
10/02/2003US20030183516 Device for decontamination of water
10/02/2003US20030182960 Block of cool
10/02/2003DE20220542U1 Mobile drinking water treatment assembly has fine-pored filter
10/02/2003CA2480866A1 Composition comprising zoanthus sp. extract with anti-fouling activity and a use thereof
10/02/2003CA2480235A1 A soil decontamination method
10/02/2003CA2480037A1 Removing agent for heavy metal in water
10/01/2003EP1348717A2 High molecular flocculant, method for producing the flocculant and water-treatment method employing the flocculant
10/01/2003EP1348670A1 Fully automatic and energy-efficient capacitive deionizer
10/01/2003EP1347943A1 Waste treatment process
10/01/2003EP1347942A1 Device for treatment of wastewater
10/01/2003EP1347941A2 Chemical feeder
10/01/2003EP1347940A2 Feeder and method for preparing aqueous solutions of solid oxidizers
10/01/2003EP1347830A1 Miniature apparatus for delivering electromagnetic energy into a solution
10/01/2003EP1137625B1 Methods for producing or purifying onium hydroxides by means of electrodialysis
10/01/2003EP0995037B1 Compressor assembly
10/01/2003EP0881195B1 Method and apparatus for biological treatment of waste organic liquid
10/01/2003EP0812303B1 Flocculating agent containing aluminium and a polybasic carboxylic acid
10/01/2003CN2576707Y Floating treatment device for thin black-liquid from paper making
10/01/2003CN2576706Y Disinfecting washing device for drinking bowl
10/01/2003CN2576705Y Improved structure of frequency-variable resonant magnetic-field water generation tube
10/01/2003CN2576704Y Solar sea-water desalting apparatus
10/01/2003CN2576703Y Waste-water purifying treatment reactor
10/01/2003CN2576702Y Indoor waste-water treating device
10/01/2003CN2576701Y Column groove
10/01/2003CN2576320Y Waste-gas desulfurizing-denitrifying apparatus using burned waste water
10/01/2003CN1446284A Combination tap with external water purifier
10/01/2003CN1446182A Process for producing ozone-containing sterilizing water and apparatus used therefor
10/01/2003CN1446181A Method of separating anionic fluorochemical surfactant
10/01/2003CN1446121A Over-unity production of clean new energies by recycling contaminated liquid waste
10/01/2003CN1445419A Water saving equipment and its system by reusing filtered waste water collected in multi-function and all-directions
10/01/2003CN1445198A Multiple functional denatured haycites and its manufacturing methods
10/01/2003CN1445182A Sludge treatment method using sludge pretreatment and film bioreactor
10/01/2003CN1445176A Method for handling waste water of domestic animals and poultry by using mineralization garbage
10/01/2003CN1445175A Method for quick degrading pollutant in water
10/01/2003CN1445174A Dirty water synthesizing treatment system and method
10/01/2003CN1445173A Method for removing fluoride in water
10/01/2003CN1445172A Method for handling industrial waste water by using aeration cooperated with ultrasonic treatment.
10/01/2003CN1445171A Dross removal type sewage treatment method and its device
10/01/2003CN1445170A Devices for ecological handling waste water and its matched with ecosystem for handling waste water
10/01/2003CN1445011A Distilling apparatus without energy consumption
10/01/2003CN1444998A Electric disinfector
10/01/2003CN1122643C Treatment method for waste water
10/01/2003CN1122642C Process for treatment of liquid and apparatus thereof
10/01/2003CN1122641C Hydrophilic penetrating and evaporating film for desalting sea water
09/2003
09/30/2003US6628505 Flow-through capacitor, system and method
09/30/2003US6627784 Introducing fluid into other to form mixture; inducing cavitation in mixture to reduce fluids to large number of relatively small units; distributing small units uniformly throughout mixture
09/30/2003US6627719 Interpolymer of a cationic monomer, a hydroxyalkyl (meth)acrylate and, optionally, a nonionic monomer
09/30/2003US6627428 Incubating pentachlorophenol acclimated Shewanella with iron(III) citrate to produce Fe(II) and hydrogen peroxide; hydroxyl radicals; oxidation; bioremediation
09/30/2003US6627173 Pyrogenic processing using aerosol
09/30/2003US6627087 Method of removing lead from water using a high molecular weight cationic dispersion polymer
09/30/2003US6627086 Methods of producing polyarylamines and using them for detackifying paint and removing color from aqueous systems
09/30/2003US6627084 Organoclay compositions for purifying contaminated liquids and methods for making and using them
09/30/2003US6627083 Light expanded clay aggregates for phosphorous removal
09/30/2003US6627082 Such as for removing biofilm from wastewater treatment membranes
09/30/2003US6627073 Water treatment device
09/30/2003US6627071 Chlorinator for wastewater treatment systems
09/30/2003US6627070 Apparatus for aeration in a water filter system
09/30/2003US6627053 Water treatment device
09/30/2003US6626378 Shower apparatus
09/30/2003US6626122 Providing vessel having ballast water from first location containing aldehyde or alkyne deactivatable biocide, adding neutralizing agent to ballast water to deactivate, discharging ballast water from vessel at second location
09/30/2003US6625863 Methods for producing solid subassemblies of fluidic particulate matter
09/30/2003CA2128485C Apparatus for providing a regenerant solution to a regenerable liquid treatment medium bed
09/25/2003WO2003078335A1 Process for sludge treatment using sludge pretreatment and membrane bioreactor
09/25/2003WO2003078334A1 Fresh water treatment plant and method for obtaining drinking water
09/25/2003WO2003078332A1 Method and apparatus for water disinfection
09/25/2003WO2003078331A2 Electrodialytic water purifier with ion exchange material and method for emoving ionic contaminants
09/25/2003WO2003078330A1 Method of removing anionic metal complex
09/25/2003WO2003078329A1 Distrillation electric power generation system
09/25/2003WO2003078328A1 Water purification apparatus
09/25/2003WO2003078082A1 Liquid waste absorbing compositions
09/25/2003WO2003078035A1 Installation for recycling agricultural waste and similar waste
09/25/2003WO2003078034A1 Methods for the on-line, on-demand preparation of sterile, water-for-injection grade water
09/25/2003WO2003078030A2 Treatment of environmental pollutants with mineral ores
09/25/2003WO2003078022A1 Fluid treatment apparatus
09/25/2003WO2003078021A1 Dual zone feedwell for a thickener
09/25/2003WO2003078017A1 Leachate and wastewater remediation system
09/25/2003WO2003077629A2 Method and device for isolating and intercepting spills from a source of pollution
09/25/2003WO2003033420A9 Soil water purifier
09/25/2003US20030181063 Method for producing water for use in manufacturing semiconductors
09/25/2003US20030180466 Long lasting coatings for modifying hard surfaces and processes for applying the same
09/25/2003US20030180384 Device for generating aqueous chlorine dioxide solutions
09/25/2003US20030180204 Materials treatment
09/25/2003US20030178924 Treating apparatus utilizing ultraviolet ray
09/25/2003US20030178374 Using silver citrate
09/25/2003US20030178373 Removal microorgansims; sterilization; electrolysis
09/25/2003US20030178372 Pretreatment with thickener
09/25/2003US20030178371 Polymeric compositions for dewatering sewage sludges
09/25/2003US20030178369 Immersion type membrane filter
09/25/2003US20030178364 Comprises return pipe for sending sludge back to pretreatment reactors (for ozone/thermal/alkaline treatment)
09/25/2003US20030178357 Mechanically stable, porous shaped activated carbon article, a process for the production thereof and the use thereof