| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/21/2001 | US20010004051 Cathode screen screens off a cathode region from the deionization space, and a portion of the screen is formed by a kation membrane; reduced maintenance because ions can be removed from water without depositing on cathode |
| 06/21/2001 | DE19961545A1 Deaerator for sieve water returned from papermaking machine, includes internal feed sieve closed at ends opposite standpipe connections |
| 06/21/2001 | DE19961049A1 Water sterilization system recirculating contents of vessel loosing heat, e.g. whirlpool bath, heats water to temperature killing harmful microbes |
| 06/21/2001 | DE19960714A1 Solare Entsalzung Solar desalination |
| 06/21/2001 | DE19960275A1 Determination of chlorine dioxide, chlorite and/or chlorous acid in aqueous solution, useful for analyzing disinfectant, bleach and deodorizing solutions, involves measuring redox and pH before and after treatment or dilution |
| 06/21/2001 | DE19960037A1 Verfahren und Vorrichtung zur Vermeidung von Bewuchs in Seekästen und Seewassersystemen auf Schiffen, Offshore-Plattformen, etc. Method and apparatus for preventing fouling in sea chests and seawater systems on ships, offshore platforms, etc. |
| 06/21/2001 | DE19948549C1 Schwimmschlammabzug Floating sludge outlet |
| 06/21/2001 | DE10034513A1 Heater for drinking water comprises disinfection chamber where water is held at disinfection temperature long enough time to kill Legionella bacteria after which it is fed via heat exchanger and mixer valves to taps |
| 06/21/2001 | CA2395116A1 Decontamination method and system, such as an in-situ groundwater decontamination system, producing dissolved oxygen and reactive initiators |
| 06/21/2001 | CA2394565A1 Water treatment |
| 06/21/2001 | CA2391358A1 Production of pyrogen controlled water |
| 06/20/2001 | EP1108684A2 Water treatment device |
| 06/20/2001 | EP1108683A2 Water treatment device |
| 06/20/2001 | EP1108682A2 Process and system for treating liquids |
| 06/20/2001 | EP1108679A2 Polyaluminium nitrate sulfates, process for the preparation thereof |
| 06/20/2001 | EP1108676A1 Attachment for a sink, particularly for a kitchen sink |
| 06/20/2001 | EP1108359A1 Biocidal material and biocidal method |
| 06/20/2001 | EP1107934A1 Ion exchange removal of metal ions from wastewater |
| 06/20/2001 | EP1107933A1 Method and device for processing aqueous liquids containing cyanide |
| 06/20/2001 | EP1107932A1 Device for flushing and distributing liquid |
| 06/20/2001 | EP1071328A4 Sunlight-ultraviolet-stable biocide compositions and uses thereof in water treatment |
| 06/20/2001 | EP0951327B1 Device for continuous filtration of liquids |
| 06/20/2001 | EP0876298B1 Process for purifying rinsing water used in semiconductor manufacture |
| 06/20/2001 | EP0809611B1 Biological water treatment plant for producing drinking water |
| 06/20/2001 | CN2435694Y 臭氧注入器 Ozone Injector |
| 06/20/2001 | CN2435435Y Waste water reusing device |
| 06/20/2001 | CN2435390Y IC card reverse osmosis public drinking system |
| 06/20/2001 | CN2435389Y Domestic water softener |
| 06/20/2001 | CN2435388Y High-efficiency sewage with sand solid-liquid separating device |
| 06/20/2001 | CN2435387Y Oil-water separator for treatment and reuse of oil-containing sewage |
| 06/20/2001 | CN2435386Y Sterilizing domestic water purifier |
| 06/20/2001 | CN2435385Y Domestic water purifier |
| 06/20/2001 | CN2435384Y Single-cylinder back-cleaning water purifier |
| 06/20/2001 | CN2435162Y Magnetic water sanitary flushing device |
| 06/20/2001 | CN2434994Y Activation water glass with rotable health box |
| 06/20/2001 | CN1300235A Large tube assemblies for reverse osmosis |
| 06/20/2001 | CN1300183A Sunlight-ultraviolet-stable biocide compositions and uses thereof in water treatment |
| 06/20/2001 | CN1299784A Treatment method of copper containing waste liquid from alkali etching of printed circuit board |
| 06/20/2001 | CN1299783A Polymerized basic aluminosilicate flocculant and its preparation process and equipoment |
| 06/20/2001 | CN1299782A Water treatment apparatus |
| 06/20/2001 | CN1299781A Efficient active water purifying agent |
| 06/20/2001 | CN1299780A Sea water desalting and power generating technology and equipment |
| 06/20/2001 | CN1299589A 5-acylamilino-chloroalkyl thiazole as anti-microbe agent and sea anti-fouling agent |
| 06/20/2001 | CN1067350C Method for treating waste liquid of alcohol by using hot fume from boiler |
| 06/19/2001 | US6248809 Laminar flow |
| 06/19/2001 | US6248595 Method of measuring a nitrification rate for liquids |
| 06/19/2001 | US6248469 Liquid crystal and sulfonated, phosphonated, perfluorinated and/or carboxylated ion-conducting polymers |
| 06/19/2001 | US6248369 Water treatment process |
| 06/19/2001 | US6248244 Portable water treatment assembly |
| 06/19/2001 | US6248243 Solids monitoring filter meter |
| 06/19/2001 | US6248242 Bulk water supply tank truck for delivery of potable water to a storage tank at a customer's site and being equipped with a pumping system and an ozone generator to disinfect water at point of delivery |
| 06/19/2001 | US6248241 Process for the removal of dissolved metals and/or metalloids from an aqueous medium containing same and having a high content of salt |
| 06/19/2001 | US6248235 Free-flowing filter having a substrate with cell surfaces coated with a photocatalytic metal oxide oxidation catalyst composed of nano- and microphases and which promotes decomposition of organic impurites when exposed to radiation |
| 06/19/2001 | US6248234 Water-dissolvable bioremediation device and method of use |
| 06/19/2001 | US6248233 Arrangement for removing heavy metal ions from roof runoff waters |
| 06/19/2001 | US6248226 Process for producing deionized water by electrodeionization technique |
| 06/19/2001 | US6247321 Method and apparatus for freezeconcentrating substances |
| 06/19/2001 | CA2155755C Reactor for biological sewage purification |
| 06/17/2001 | CA2292383A1 Apparatus and process for purifying a liquid |
| 06/14/2001 | WO2001042745A1 An on-line device for predicting at least one fluid flow parameter in a process |
| 06/14/2001 | WO2001042151A1 Methods for treating wastewater sludge |
| 06/14/2001 | WO2001042149A1 Method of inhibiting corrosion of yellow metal surfaces in aqueous systems |
| 06/14/2001 | WO2001042148A1 Method for removing deposits from water transmission systems and devices for supplying water |
| 06/14/2001 | WO2001042146A1 Method and device for treating water by oxygenation |
| 06/14/2001 | WO2001042145A1 A method of controlling microbial fouling and a control system therefor |
| 06/14/2001 | WO2001042144A2 Device and method for treating water with ozone generated by water electrolysis |
| 06/14/2001 | WO2001042143A2 Method and device for electrochemically disinfecting fluids |
| 06/14/2001 | WO2001041925A1 Production of high functional photocatalysts |
| 06/14/2001 | WO2001041906A1 Improved membrane filtration |
| 06/14/2001 | WO2001041902A1 A process to increase the oxidation rate of dissolved sulphur dioxide in seawater |
| 06/14/2001 | WO2001041897A1 Water desalination system |
| 06/14/2001 | WO2001041607A1 Drinking element |
| 06/14/2001 | WO2001010784A3 Wasser still with pervaporation membrane and method of operation thereof |
| 06/14/2001 | US20010003481 Process and equipment for recovering developer from photoresist development waste and reusing it |
| 06/14/2001 | US20010003329 Electro-regenerating type apparatus for producing deionized water |
| 06/14/2001 | US20010003284 Apparatus for preparing a chemical solution |
| 06/14/2001 | CA2394859A1 Method and device for electrochemically disinfecting fluids |
| 06/14/2001 | CA2393948A1 Methods for treating wastewater sludge |
| 06/14/2001 | CA2393774A1 Drinking element |
| 06/13/2001 | EP1106580A1 Decomposition of residual hydroxylamine by hydrogen peroxide treatment |
| 06/13/2001 | EP1106579A1 Method of decomposing organochlorine compound |
| 06/13/2001 | EP1106578A1 Water filtration apparatus |
| 06/13/2001 | EP1106259A1 Hand held shower head and filter housing |
| 06/13/2001 | EP1106241A1 Electro-regenerating type apparatus for producing deionized water |
| 06/13/2001 | EP1106237A1 Method for flue gas desulfurization and flue gas desulfurization system |
| 06/13/2001 | EP1106228A1 Device for measuring water flow throughput |
| 06/13/2001 | EP1106226A1 Water filter with separating element for the filter material |
| 06/13/2001 | EP1106225A1 Pressure filter for water |
| 06/13/2001 | EP1106188A1 Plastic containers for solar disinfection of water |
| 06/13/2001 | EP1105726A1 APPARATUS AND METHOD FOR MEASURING NO x? AND NITRIFICATION/DENITRIFICATION RATES IN BIOCHEMICAL PROCESSES |
| 06/13/2001 | EP1105679A1 Evaporative and regenerative waste water incineration system |
| 06/13/2001 | EP1105410A1 Purification of blood clotting proteins |
| 06/13/2001 | EP1105353A1 Device for transforming chemical structures in a fluid comprising a solvent and salts by ultrasonic action |
| 06/13/2001 | EP1105352A1 Method for transforming chemical structures in a fluid under pressure and in high temperature and implementing device |
| 06/13/2001 | EP1105351A1 Method and device for membrane filtering of water |
| 06/13/2001 | EP1105350A1 Removing metal ions from wastewater |
| 06/13/2001 | EP1105349A1 System for filtering and dispensing fluid |
| 06/13/2001 | EP0939667A4 Cyclodextrin polymer separation materials |
| 06/13/2001 | EP0938454B1 Multi-chamber water purification device and method of using the same |
| 06/13/2001 | EP0920401B1 Method of disinfecting water with iodine species |