| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/15/2001 | WO2001010218A1 Method for preventing the formation of biological films |
| 02/15/2001 | WO2001010215A1 Electrolytic synthesis of peracetic acid |
| 02/15/2001 | WO2001010192A1 Irrigation device |
| 02/15/2001 | WO2000063123A8 Purifier |
| 02/15/2001 | DE19938615A1 Anlage und Verfahren zur Behandlung von Kreislaufwasser offener Umlaufkühlsysteme System and method for the treatment of circulatory water of open recirculating cooling systems |
| 02/15/2001 | DE19938510A1 Device for treating water with an electric field to remove calcium and magnesium carbonates has treatment chamber containing anode and cathode and post-treatment chamber containing at least one cathode and at least one anode |
| 02/15/2001 | DE19938248A1 Purification of waste water predominantly containing light materials such as fats and oils |
| 02/15/2001 | DE19937756A1 Liquid flocculation treatment turbidity monitor linked to automatic control unit minimising treatment duration |
| 02/15/2001 | DE19937286A1 Removal of harmful substances from rainwater comprises passing it over filter to which substances bond |
| 02/15/2001 | DE10004863A1 Separation of solids and liquid from sludge suspension using high efficiency, low cost agitated filter, passes flow of suspended air bubbles tangentially and turbulently past loosely-held filter membrane |
| 02/15/2001 | CA2380843A1 An iron powder and sand filtration process for treatment of water contaminated with heavy metals and organic compounds |
| 02/15/2001 | CA2380839A1 Process for recovering organic hydroxides from waste solutions |
| 02/15/2001 | CA2379876A1 Injection quill for water treatment |
| 02/15/2001 | CA2378601A1 Electrolytic synthesis of peracetic acid |
| 02/15/2001 | CA2378530A1 An apparatus and method for improving an osmosis process |
| 02/15/2001 | CA2378344A1 Centrifugal pressurized separators and methods of controlling same |
| 02/15/2001 | CA2355149A1 Disposable absorbent article storing liquid in a constant pattern |
| 02/14/2001 | EP1076042A1 Downflow hydrothermal treatment reactor |
| 02/14/2001 | EP1076041A2 Method for decomposing or oxidizing dioxins and/or poly chlorinated biphenyls contained in liquid |
| 02/14/2001 | EP1076040A1 Process to minimise the aox-compounds in waste waters |
| 02/14/2001 | EP1076039A2 Apparatus for treating water with an electrical field |
| 02/14/2001 | EP1076038A2 Apparatus for electrophysical water treatment |
| 02/14/2001 | EP1076037A1 Potable water flow through device for water conduits |
| 02/14/2001 | EP1075868A2 Electrodeionization apparatus and pure water producing apparatus |
| 02/14/2001 | EP1075788A1 Operative unit for fish larvae breeding |
| 02/14/2001 | EP1075453A1 Device and method for molecular polarization in water |
| 02/14/2001 | EP0922324B1 Control circuit and method for piezoelectric transformer |
| 02/14/2001 | EP0759015B1 Wastewater pretreatment tank assembly |
| 02/14/2001 | CN2419202Y Direct cutting water magnetizer |
| 02/14/2001 | CN2419201Y 净水器 Water Purifier |
| 02/14/2001 | CN2419200Y Oil-sewage separator |
| 02/14/2001 | CN2419199Y Settled biological activated carbon drinking water purifier |
| 02/14/2001 | CN2419198Y Miniature household water purifier |
| 02/14/2001 | CN2418679Y Ozone disinfecting-foam separating device |
| 02/14/2001 | CN1284135A Rapid method for assessment of inhibition and kill of anaerobic bacteria by toxic compounds |
| 02/14/2001 | CN1284048A Appts. and method arranged to provide controll able water treatment customized to conditions of water supplied to beverage dispenser |
| 02/14/2001 | CN1283595A Catalytic microelectrolyzer |
| 02/14/2001 | CN1283594A Process for comprehensively treating waste mother liquid of 2-naphthol |
| 02/14/2001 | CN1283593A Process for treating algae-pollution of lake (or river) with controllable special oil charcoal fim |
| 02/14/2001 | CN1283516A Control to mercury by strengthening wet gas scrubbing appts process through reducing flow of oxidized air |
| 02/14/2001 | CN1061949C Comprehensive effluent disposal tech for wet spinning acrylic fibers industry |
| 02/14/2001 | CN1061948C Method for regeneration of covering liquid by resin process |
| 02/13/2001 | US6187988 Adsorption of hazardous material with carbon beds, purging with gas and microwave treatment |
| 02/13/2001 | US6187935 Method for separating an organic compound from an aqueous medium |
| 02/13/2001 | US6187581 Mixture of protein meal having indigenous microbial culture, bulking agent, and solid material contaminated with hydrocarbon; biodegradation of oil contaminated drill cuttings |
| 02/13/2001 | US6187570 Removing 2,4 keto-d-gluconic acid, 2,5 diketo-d-gluconic acid, idonic acid, 2-keto-l-gulonic acid, vanillic acid or ascorbic acid from non-viable, acidic fermentation medium using electrodialysis |
| 02/13/2001 | US6187539 Applying to matched ion polynucleotide chromatograhy column; elution |
| 02/13/2001 | US6187519 Process and equipment for recovering developer from photoresist development waste and reusing it |
| 02/13/2001 | US6187206 Thermal plasma reactor and wastewater treatment method |
| 02/13/2001 | US6187205 Decontamination of a photographic effluent by treatment with a fibrous polymeric alumino-silicate |
| 02/13/2001 | US6187202 Electrolysis gas to lift a filtered liquid |
| 02/13/2001 | US6187201 System for producing ultra-pure water widely used in semiconductor plants, nuclear power plants and pharmaceutical plants which has an electrodialysis unit and a reverse osmosis unit |
| 02/13/2001 | US6187200 Can be used for the desalination of brackish water and sea water, treatment of waste water, recovery of valuable material, etc. |
| 02/13/2001 | US6187195 Use of polyaspartic acids and their mixtures with surfactants and emulsifiers for inhibiting or delaying deposit formation by sparingly soluble organic and inorganic components in the treatemnt of an aqueous feed using at least one membrane |
| 02/13/2001 | US6187192 Water containing bacteria and/or viruses is passed through a purification material composed of apatite and absorption media in a fixed binder matrix |
| 02/13/2001 | US6187187 Magnetic shower filter assembly |
| 02/13/2001 | US6187186 Device for introducing substances into water |
| 02/13/2001 | US6187162 For purifying water including calcium and carbon dioxide and its hydrates |
| 02/13/2001 | US6187154 Electrolyzed water production system |
| 02/13/2001 | US6186170 Ozone-water feeding facility |
| 02/13/2001 | US6185940 Evaporation driven system for power generation and water desalinization |
| 02/13/2001 | CA2018139C Biological wastewater purification with a downstream precipitation stage |
| 02/08/2001 | WO2001009924A1 Uv light source |
| 02/08/2001 | WO2001009907A1 Flow-through capacitor and method |
| 02/08/2001 | WO2001009048A1 Method for plant water treatment for at least one partially closed water circuit |
| 02/08/2001 | WO2001009047A1 Municipal waste-water treatment method |
| 02/08/2001 | WO2001009046A1 Method for controlling microorganisms in standing water using sodium carbonate peroxyhydrate compositions |
| 02/08/2001 | WO2001009045A1 Hybrid chemical and biological process for decontaminating sludge from municipal sewage |
| 02/08/2001 | WO2001009044A1 Coagulant composition consisting of organic coagulant of brown algae and inorganic coagulant |
| 02/08/2001 | WO2001009043A1 Method and device for doping a liquid medium with a dopant |
| 02/08/2001 | WO2001009041A2 System for protection of building water supplies against chemical and biological warfare agents |
| 02/08/2001 | WO2001009040A1 A filtered water drinking bottle |
| 02/08/2001 | WO2001008805A1 Fibres/solids separating system |
| 02/08/2001 | WO2001008791A1 Improvements to chemical washing and, particularly to rinsing of separating membrane devices for solutions and suspension |
| 02/08/2001 | WO2001008790A1 Chemical cleaning backwash for immersed filtering membranes |
| 02/08/2001 | WO2001008789A2 Maintenance cleaning for membranes |
| 02/08/2001 | WO2001008539A1 Water feeder with mixed solution sustained-releasing function |
| 02/08/2001 | WO2001008484A1 Aqueous suspensions of low solubility and low stability water additives |
| 02/08/2001 | WO2000075078B1 Evaporation device |
| 02/08/2001 | WO2000040513A8 Method and apparatus for microfiltration |
| 02/08/2001 | DE19936702A1 Desalination system for sea water uses mains electricity, wind power, solar power or direct solar heating to heat water, water vapour produced condensing on glass roof of plant and being collected in troughs at its edges |
| 02/08/2001 | DE19936194C1 Verfahren und Vorrichtung zur Abwasserreinigung unter Verwendung modifizierter Membranfiltration Method and apparatus for wastewater treatment using a modified membrane filtration |
| 02/08/2001 | DE19936168A1 Funnel and gate system for purification of contaminated ground water has gate consisting of container for reactive material with cylindrical wall made up of vertical water-permeable and water-impermeable components locked against each other |
| 02/08/2001 | CA2380061A1 Improvements to chemical washing and, particularly to rinsing of separating membrane devices for solutions and suspension |
| 02/08/2001 | CA2378821A1 Feed device having a function of sustained release for a mixing solution |
| 02/07/2001 | EP1074837A1 Suppressor for continuous electrochemically suppressed ion chromatography and method |
| 02/07/2001 | EP1074515A2 Electrochemical treatment of an aqueous solution |
| 02/07/2001 | EP1074269A2 Disposable water-absorbent structure |
| 02/07/2001 | EP1073612A1 Water treatment process |
| 02/07/2001 | EP1073611A1 Apparatus and process for removing strong oxidizing agents from liquids |
| 02/07/2001 | EP1073610A1 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 02/07/2001 | EP1073478A1 Generation of active chlorine in the presence of an organic load from sodium chloride in water |
| 02/07/2001 | EP1019181A4 Fluid mixer and water oxygenator incorporating same |
| 02/07/2001 | EP1019098A4 Mobile apparatus and process for treating infectious waste |
| 02/07/2001 | EP1003692A4 Housing and method that provide extended resident time for dissolving generated oxygen into water |
| 02/07/2001 | EP0996594A4 Process for the removal of pentavalent arsenic from water |
| 02/07/2001 | EP0922788A4 Electrochemical installation |
| 02/07/2001 | CN2418368Y Vacuum oil-filtering machine |
| 02/07/2001 | CN2418124Y Air vibration device for treating organic waste liquid by high-power frequency-variable supersonic wave |
| 02/07/2001 | CN1283167A Desalination method and desalination apparatus |