| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/24/2002 | US20020155058 Iron sulfides, processes for producing the same, iron sulfide mixture, heavy metal treating agent, and method of treating with the agent |
| 10/24/2002 | US20020155050 Contacting iron powder containing about 0.03 to about 2% by mass of sulfur, based on mass of iron powder, with halogenated hydrocarbons contained in the media; causing dehalogenation of halogenated hydrocarbons for decontamination |
| 10/24/2002 | US20020155047 For desalination of salt water and purification of polluted water |
| 10/24/2002 | US20020155044 Mxing an iron salt and an oxidizing agent in a mixing chamber; delivering portion of the mixture to a reaction chamber; continuously generating ferrate in the reaction chamber; delivering at least a portion of the ferrate to a site of use |
| 10/24/2002 | US20020154469 Deionizers with energy recovery |
| 10/24/2002 | US20020153505 Controlled release cooling additive composition |
| 10/24/2002 | US20020153330 Water treatment system |
| 10/24/2002 | US20020153329 Process for the conditioning of polluted water |
| 10/24/2002 | US20020153325 System for optimized control of multiple oxidizer feedstreams |
| 10/24/2002 | US20020153324 Ship-board system for decontaminating wastewater contaminated by firefighting operations |
| 10/24/2002 | US20020153323 Forming a suspension of seed polymer in a continuous aqueous phase, allowing the seed polymer to swell in activated monomer mixture of vinylaromatic compound, divinylbenzene and methyl acrylate free radical initiator; polymerization, sulfonation |
| 10/24/2002 | US20020153319 Method and apparatus for high efficiency reverse osmosis operation |
| 10/24/2002 | US20020153313 For use in filtering membranes immersed in a liquid to be filtered |
| 10/24/2002 | US20020153310 Contacting quench water stream with an extracting solvent in a liquid-liquid extractor to produce a quench water raffinate and a spent solvent; withdrawing quench water raffinate, free of polymer precursors; steam stripping raffinate |
| 10/24/2002 | US20020153307 Mixing sludge with an acidic leaching solution to acidify and to dissolve heavy metals and to destroy the majority of the pathogenic microorganisms, without dissolving fertilizing elements; solid-liquid separation; neutralizing; recovering |
| 10/24/2002 | US20020153306 Excavating a volume of soil to expose the pipe, removing at least a section of pipe, housing a solids settling and retention basin in excavated volume, connecting an upstream pipe to basin for effecting wastewater flow into basin |
| 10/24/2002 | US20020153305 Wastewater management system |
| 10/24/2002 | US20020153303 Introducing sewage to the bottom of a fermentation cell; removing suspended solids, microorganisms, nutrients, and pathogens from the sewage to produce a disinfected quaternary effluent; producing purified water |
| 10/24/2002 | US20020153301 Periphyton filtration pre-and post-treatment system and method |
| 10/24/2002 | US20020153299 Method of potting hollow fiber membranes |
| 10/24/2002 | US20020153293 Passing wash-water through an microfiltration unit equipped with a microfiltration membrane made of polytetrafluorethylene-based material, wherein a permeate is obtained, and wash-water free of carbon particles |
| 10/24/2002 | US20020153245 Flow-through eletrochemical reactor for wastewater treatment |
| 10/24/2002 | US20020153043 Pool Chlorinator |
| 10/24/2002 | US20020152674 Electrostatic fluid conditioner |
| 10/24/2002 | DE10217651A1 Second stage waste water treatment exposes water to secondary biological treatment during transport phase |
| 10/24/2002 | DE10119828A1 System for protection against lime scale formation on surfaces in contact with water, comprises one or more capacitors which are brought into electric contact with these surfaces or directly with the water |
| 10/24/2002 | DE10119119A1 Industrial and trade waste water treated by filtration, disinfecting and oxygenation via a membrane |
| 10/24/2002 | DE10118940A1 Physical chemistry process removes all particulate and microbiological impurities from drinking water |
| 10/24/2002 | DE10118842A1 Warm/cold water filter system for swimming pools, has water pipe system which circulates warm and cold water separately to corresponding pools which are separated by partition wall |
| 10/24/2002 | DE10118839A1 Bio-reactor stimulates microbiological activity in effluent water by piezo-electric high-frequency oscillator |
| 10/24/2002 | DE10116951A1 Mittel zur Abtrennung von Schwermetallen, Metallen, Arsen, Uran und Radium aus schadstoffbelasteten Wässern Means for separating heavy metals, metals, arsenic, uranium and radium from polluted waters |
| 10/24/2002 | DE10104207A1 Compressed oxygen and carbon dioxide admixed to and impregnating water under pressure |
| 10/24/2002 | CA2444853A1 Process and system for the removal of scale build-up |
| 10/24/2002 | CA2444385A1 Apparatus and method for phtocatalytic purification and disinfection of water and ultrapure water |
| 10/24/2002 | CA2444183A1 Automatic salt level monitor for a water softening device |
| 10/24/2002 | CA2434254A1 Novel antiseptic derivatives with broad spectrum antimicrobial activity for the impregnation of surfaces |
| 10/23/2002 | EP1251185A2 Gelatin encapsulated metal powder for silver recovery from processing solutions |
| 10/23/2002 | EP1251144A1 Organic polymeric material, process for producing the same, and heavy-metal ion remover comprising the same |
| 10/23/2002 | EP1251117A1 Method of treating fluorine compound and treated substance |
| 10/23/2002 | EP1251116A1 Method of treating fluorine compound |
| 10/23/2002 | EP1251103A2 Method and apparatus for treating wastewater |
| 10/23/2002 | EP1251102A1 Method for purifying suspended water by membrane filtration |
| 10/23/2002 | EP1250894A1 Dosing device for feeding disinfectant |
| 10/23/2002 | EP1250360A2 Method for making hydrophobically associative polymers, methods of use and compositions |
| 10/23/2002 | EP1250293A1 Production of compacted biocidal agent from a non-compactible particulate biocidal agent without using a binder |
| 10/23/2002 | EP1250292A1 Process and means to prevent microorganisms blooming in an aquatic system |
| 10/23/2002 | EP1250291A1 Water improvement agent containing coral sand |
| 10/23/2002 | EP1250290A2 Solar dew tube |
| 10/23/2002 | EP1250289A2 Device for treating water |
| 10/23/2002 | EP1250288A1 A method for treatment of hexavalent chromium compounds in waste water originating from processing of metals |
| 10/23/2002 | EP1250182A1 Separator for liquid suspension |
| 10/23/2002 | EP1181844B1 Method and ballast for feeding a uv light low pressure radiator |
| 10/23/2002 | EP1041885B1 Biocidal compositions and treatments |
| 10/23/2002 | EP0846023B1 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces |
| 10/23/2002 | EP0820293B1 Bioactive concentrate, its producing method and certain drug compositions containing also chondroitin sulphate |
| 10/23/2002 | CN2517734Y 水处理反应器 Water Reactor |
| 10/23/2002 | CN2517733Y Laminated lattice strong magnetizer |
| 10/23/2002 | CN2517732Y Supersonic coupled water feeding and degasifying processing plant |
| 10/23/2002 | CN2517351Y Improved water purifier of mineral water kettle drinker |
| 10/23/2002 | CN1376136A Apparatus for preparing sterilizing water and processing for sterilizing water |
| 10/23/2002 | CN1376036A Metal-containing compositions, preparations and uses |
| 10/23/2002 | CN1376034A antibacterial agent comprising shell, method for purifying water by using same and method for washing farm product by using same |
| 10/23/2002 | CN1375466A Cationic fluocculant and its synthesis method |
| 10/23/2002 | CN1375465A Dispersed combined water purifying agent for purifying sewage and its usage |
| 10/23/2002 | CN1375464A Multi-sectional separator for efficient sea water desalting |
| 10/23/2002 | CN1375463A Method of treating cyclizatino hydrolysis effluent and reusing resource in lipoic acid production |
| 10/23/2002 | CN1375462A Treating process of percolated liquid in city refuse landfill |
| 10/23/2002 | CN1375461A High speed sea water desalting apparatus with very low power consumption |
| 10/23/2002 | CN1375460A Sewage treatment tank |
| 10/23/2002 | CN1375349A Neutralizing treatment process of coking effluent and waste flue gas |
| 10/23/2002 | CN1092940C Edible concentrate with mineral elements and its preparation method |
| 10/22/2002 | US6469308 Ultraviolet radiated water treatment tank |
| 10/22/2002 | US6468942 Absorptive-filtration media for the capture of waterborne or airborne constituents |
| 10/22/2002 | US6468804 Electrolysis ions force electrolytes away from chromatography effluent stream for detection |
| 10/22/2002 | US6468722 Photography; recovering, accumulation waste silver |
| 10/22/2002 | US6468435 Portable water purifier; bidirectional pressure differential valve which dispenses filtered fluid from a bottle only when inverted and squeezed; removing chlorine, heavy metals, taste, color, odor and microorganisms |
| 10/22/2002 | US6468434 Photodegradative process for the purification of contaminated water |
| 10/22/2002 | US6468433 Method for disinfecting liquids and gases and devices for use thereof |
| 10/22/2002 | US6468423 Electromagnetic water treatment apparatus |
| 10/22/2002 | US6468420 Device for degerminating water passing through a sanitary device |
| 10/22/2002 | US6468419 UV treatment device with time delay of water flowing there through |
| 10/22/2002 | US6468412 Apparatus and method for venting hydrogen from an electrolytic cell |
| 10/22/2002 | US6468374 Method of making silica glass honeycomb structure from silica soot extrusion |
| 10/17/2002 | WO2002082463A2 Method for removing heavy metals from polluted waters by means of a multi-component reactive material |
| 10/17/2002 | WO2002081808A1 Electric washing machine |
| 10/17/2002 | WO2002081601A1 The new chemical species of a magnecule |
| 10/17/2002 | WO2002081600A2 Black water recycle circulation loop use with a gasifier |
| 10/17/2002 | WO2002081387A1 Apparatus for treatment of wastewater, including a biofilter and a post-filter |
| 10/17/2002 | WO2002081386A1 Sludge and slurry destruction plant and process |
| 10/17/2002 | WO2002081385A2 Means for separating off of heavy metals from polluted water |
| 10/17/2002 | WO2002081384A2 Process for flocculating suspensions |
| 10/17/2002 | WO2002081383A1 Far infrared ray radiant wave water and method of manufacturing the radiant wave water |
| 10/17/2002 | WO2002081382A1 Mechanical oxygen scavenger device |
| 10/17/2002 | WO2002081380A1 Apparatus and method for removing hydrogen peroxide from spent pickle liquor |
| 10/17/2002 | WO2002081379A1 Process for treating waste water containing a nitrous organic components |
| 10/17/2002 | WO2002081378A1 Structure and process for continuously treating dental unit water |
| 10/17/2002 | WO2002081376A1 Manganese/oxygen compound with arsenic adsorption, arsenic adsorbent, and method of adsorptively removing arsenic from aqueous solution |
| 10/17/2002 | WO2002081053A1 Dynamic filter system |
| 10/17/2002 | WO2002081049A1 Intermittent flow mineral ionizer device |
| 10/17/2002 | WO2002080671A1 Bactericide for use in water treatment, method for water treatment and apparatus for water treatment |