Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
07/2001
07/03/2001US6254782 Method for recovering and separating metals from waste streams
07/03/2001US6254779 Treatment of effluent streams containing organic acids
07/03/2001US6254772 Backwashable filtration system
07/03/2001US6254771 Method of processing desulfurization absorption liquid and apparatus therefor
07/03/2001US6254768 Water filter carafe
07/03/2001US6254764 Method for dissociating materials
07/03/2001US6254753 High purity electrodeionization
07/03/2001US6254734 Barometric evaporation process and evaporator
07/03/2001US6253964 Remotely actuable flushing system
07/03/2001CA2176277C Aldehyde-based surfactant and method for treating industrial, commercial, and institutional waste-water
07/03/2001CA2176276C Ketone-based surfactant and method for treating industrial, commercial, and institutional waste-water
06/2001
06/28/2001WO2001046497A2 Method for electrochemically reducing reducible dyes
06/28/2001WO2001046281A1 Polymeric flocculant and method of sludge dehydration
06/28/2001WO2001046074A1 Springbox for water remediation
06/28/2001WO2001046072A1 Silica-based sols
06/28/2001WO2001046029A2 Filtering cap for bottled fluids
06/28/2001WO2001046007A1 Desalination system of sea water for ship
06/28/2001WO2001045869A2 Microporous diffuser
06/28/2001WO2001045832A2 Single stage denitration
06/28/2001WO2001045816A1 Apparatus and process for purifying a liquid by thermoelectric peltier means
06/28/2001WO2001045753A1 Apparatus and method of treatment of wounds, burns and immune system disorders
06/28/2001WO2000001653A9 A process for the isolation of aromatic hydroxycarboxylic acids
06/28/2001US20010004962 Water treatment device
06/28/2001US20010004927 Silica-based sols
06/28/2001DE19962957A1 Treatment of contaminated waters by settlement, is accompanied by extraction from collection tank with return below its surface
06/28/2001DE19962644A1 Supply system for supplying hot water and/or drinking water based on regenerative solar energy consists of solar adsorption condensers, solar hot water producers and/or solar moist air distillators
06/28/2001DE19962155A1 Electrochemical reduction of vat dye using cathode with electroconductive, cathodically-polarized layer formed in situ by sedimentation on electroconductive substrate, is carried out in presence of base
06/28/2001DE19961844A1 Water purifying and dispensing appts with chlorine tablets has a pump to fill the water store from a well etc and a pump to force the water through a filter cartridge in a lightweight and low cost unit
06/28/2001DE19961583A1 Water processing appts has a number of stages in sequence in a housing of domestic appliance dimensions to give a supply of safe and potable water unaffected by dwell times or extracted vols
06/28/2001DE19951642A1 Verfahren und Vorrichtung zum Reduzieren von kationischen Verunreinigungen und zum Dosieren von Lithium im Kühlwasser eines Leichtwasserreaktors und Kühlwassersystem eines Leichtwasserreaktors mit einer solchen Vorrichtung Method and apparatus for reducing cationic impurities and for dosing lithium in the cooling water of a light-water reactor and cooling water system of a light water reactor with such a device
06/28/2001CA2394635A1 Apparatus and method of treatment of wounds, burns and immune system disorders
06/28/2001CA2394021A1 Springbox for water remediation
06/28/2001CA2329616A1 Process for the degradation of organic compounds in aqueous solution by means of ozonisation and sunlight irradiation
06/27/2001EP1110914A2 Water treatment method and apparatus
06/27/2001EP1110596A1 Shaped body for the retention of pyrogenes, process for its manufacture and use thereof
06/27/2001EP1110454A2 5-Carboxanilido-haloalkylthiazoles as antimicrobial and marine antifouling agents
06/27/2001EP1109874A1 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same
06/27/2001EP1109747A1 Active purifying structures for lining and forming compact physico-biological filters
06/27/2001EP1109746A1 Fluid purifying device using physical and/or biological reactors
06/27/2001EP1109745A1 Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide
06/27/2001EP1109744A1 Device and preparation for the treatment of tap water and drinking water
06/27/2001EP1109743A1 Device for water treatment, method for the regeneration of such device, as well as flow rate regulator which can be applied therewith
06/27/2001EP1109742A1 Water treatment apparatus
06/27/2001EP1109739A1 Organic impurity removal process for bayer liquors
06/27/2001EP1109476A1 Airplane passenger and lap child restraint system with floatation pad
06/27/2001EP0970020B1 Process for treating wastewater
06/27/2001EP0946428B1 Process and apparatus for oxidation of contaminants in water
06/27/2001EP0876304B1 Soil and water remediation and enhancement process and apparatus therefor
06/27/2001EP0862539B1 Method for pretreating raw water
06/27/2001CN2436501Y Water purifier
06/27/2001CN2436500Y Sea water desolination equipment
06/27/2001CN2436499Y Water purifier specially for drinking-water machine
06/27/2001CN2436498Y Negative pressure absorbing decyanation apparatus
06/27/2001CN1301237A Method for treating waters, soils, sediments and/or sludges
06/27/2001CN1301189A Antimicrobial filter cartridge
06/27/2001CN1300718A Process for clarifying waste water difficult to degradate
06/27/2001CN1300716A Process and equipment for extracting fresh water from sea water
06/27/2001CN1300715A Process for treating city sewage
06/27/2001CN1067660C Production of rich oxygen content drinking water
06/27/2001CN1067516C Insoluble polymer bactericidal agent and preparation thereof
06/26/2001US6251996 Interpenetrating polymer network
06/26/2001US6251680 Reacting polymer with amine
06/26/2001US6251417 Producing by mixing a ground calcining aid with liquid, acidifying to form gelatinous solution, soaking a preformed honeycomb substrate in the solution, drying and calcining, impregnating with quaternary ammonium salt solution, drying
06/26/2001US6251386 Antimicrobial composition containing a haloperoxidase, a hydrogen peroxide source, a halide source and an ammonium source
06/26/2001US6251290 Method for recovering hydrocarbons from tar sands and oil shales
06/26/2001US6251289 Treatment of contaminated liquids with oxidizing gases and liquids
06/26/2001US6251287 Treating a nitrate contaminated liquid, hollow housing and apertures
06/26/2001US6251286 Accumulating automatic skimmer
06/26/2001US6251283 Barium, calcium or lead selenate and/or selenite forms a complex precipitate with the sulfate, which encapsulates the selenate or selenite.
06/26/2001US6251277 Method and device for purifying protein containing waste water
06/26/2001US6251264 Dispersing photo-catalyst particles and an inorganic coagulant into the water.
06/26/2001US6251259 Method and apparatus for producing electrolyzed water
06/26/2001US6251258 A direct current voltage is applied between electrodes that are provided in an acid solution to deposit heavy metal on electrodes; electrode cleaning step of reversing the polarity applied between said electrodes
06/26/2001US6251172 Portable water recovery and dispensing apparatus
06/26/2001US6250609 Method of making supersaturated oxygenated liquid
06/26/2001US6250379 High-speed capillary tube heat exchanger
06/23/2001CA2329503A1 Oil skimmer
06/21/2001WO2001044766A2 Optical radiation sensor system
06/21/2001WO2001044523A1 Process for recovering silver from photographic solutions
06/21/2001WO2001044521A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
06/21/2001WO2001044403A1 Fluorescent monomers and polymers containing same for use in industrial water systems
06/21/2001WO2001044127A1 Water treatment
06/21/2001WO2001044126A1 Chlorine injection device for dental tap water and chlorine injection pressurized supply device
06/21/2001WO2001044125A1 Decontamination method and system, such as an in-situ groundwater decontamination system, producing dissolved oxygen and reactive initiators
06/21/2001WO2001044124A1 Production of pyrogen controlled water
06/21/2001WO2001044123A1 Process for removing organic and inorganic contaminants from refinery wastewater streams employing ultrafiltration and reverse osmosis
06/21/2001WO2001044122A1 Removal of hormones from liquids
06/21/2001WO2001044121A1 Solar desalination plant comprising coated transparent formed bodies
06/21/2001WO2001044120A2 On premise water treatment system with temperature control water release and method
06/21/2001WO2001044118A2 Combined process vessel apparatus
06/21/2001WO2001044117A1 Water filtration system
06/21/2001WO2001044116A2 Water-processing domestic appliance with assembly for de-ionizing water
06/21/2001WO2001044115A2 Waste water treatment system
06/21/2001WO2001044110A1 Flocculants
06/21/2001WO2001043784A2 Odor neutralizers
06/21/2001WO2001043783A2 Liquid energizing coaster
06/21/2001WO2001043782A2 Radiation source module
06/21/2001WO2000064325A3 Household appliance using water, namely a washing machine, with improved device for softening the water
06/21/2001US20010004461 Adding bromine chloride to overbased, aqueous alkali metal sulfamate solution formed from water, sulfamic acid and alkali metal base, wherein pH of sulfamate solution is such that pH of resulting biocidal composition is 7
06/21/2001US20010004063 Includes an elecrolysis and electrocoagulation apparatus connected to the wastewater inlet of the reaction tank and a mass transfer accelerator that dissolves self-produced oxygen, hydrogen and/or hypochlorous acid, sedimentation tank