| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/07/2004 | EP1434737A1 Apparatus and method for photocatalytic purification and disinfection of water and ultrapure water |
| 07/07/2004 | EP1434648A1 Air diffuser membrane treated with biocide |
| 07/07/2004 | EP1434513A2 Household apparatus with electrochemical treatment device for a liquid and treatment method of a fluid using this device |
| 07/07/2004 | EP1365814A4 Ultraviolet wastewater disinfection system and method |
| 07/07/2004 | EP1355679A4 Microorganism neutralization device and method |
| 07/07/2004 | EP1353704A4 Drinking water uv disinfection system and method |
| 07/07/2004 | EP1339645B1 Ballasted floc water treatment installation |
| 07/07/2004 | EP1337473B1 Electrochemical cell and electrochemical treatment of contaminated water |
| 07/07/2004 | EP1229980B1 Method and apparatus for treating of water/wastewater |
| 07/07/2004 | EP1220988B1 Hydro-power generation for a water treatment system |
| 07/07/2004 | EP1200480B1 Use of surface-active agents in the impurity removal process from solutions containing acetic derivatives using nano-filtration with membranes, in a process to obtain cellulose acetate |
| 07/07/2004 | EP1138185B1 Closed and energetically integrated process (cei process for the treatment of animal wastes (purines) |
| 07/07/2004 | CN2624124Y Solar water heater with medical stone |
| 07/07/2004 | CN2624122Y Ozone type solar water heater |
| 07/07/2004 | CN2623684Y Tap-water ozone sterilizing device |
| 07/07/2004 | CN2623683Y Ozone water sterilizing hand washer |
| 07/07/2004 | CN2623682Y Water molecule group fining apparatus |
| 07/07/2004 | CN2623681Y Equipment for treating and recycling carwash sewage |
| 07/07/2004 | CN2623680Y Anti-theft water treatment equipment for heating pipe |
| 07/07/2004 | CN2623679Y Forced circumfluence direct output water apparatus |
| 07/07/2004 | CN2623678Y Multi-functional single valve controlled water purifier |
| 07/07/2004 | CN2623677Y Non-leakage oil collecting pipe |
| 07/07/2004 | CN2623676Y Eddy concave air-floatation apparatus |
| 07/07/2004 | CN2623675Y Small molecule group water generator |
| 07/07/2004 | CN2623674Y Multi-cylinder gravity automatic cleaning water treating machine |
| 07/07/2004 | CN2623673Y Modified telescopic water drain device |
| 07/07/2004 | CN2623121Y Fluid magnetization sucker |
| 07/07/2004 | CN1511115A Method and device for anaerobic purification of slurry which contains organic constituents |
| 07/07/2004 | CN1511114A Enhanced biogas production from nitrogen bearing feed stocks |
| 07/07/2004 | CN1510988A 浇水装置 Watering devices |
| 07/07/2004 | CN1510085A Cassade polymer composition with trigger response |
| 07/07/2004 | CN1509994A Membrane rector with rotary brush |
| 07/07/2004 | CN1509992A Producing method for coal plus other materials as water purifying agent |
| 07/07/2004 | CN1509991A Low temperature nitrobacter agent and use thereof |
| 07/07/2004 | CN1509990A Effluent treating composition for fish-farming and application thereof |
| 07/07/2004 | CN1509989A High performance vortex cogulating clarification and apparatus for inorganic polymerized floculant |
| 07/07/2004 | CN1509988A Effluent closed treating system of residential district |
| 07/07/2004 | CN1509987A Production of potassium containing chemical products from waste liquid of molasses alcohol production |
| 07/07/2004 | CN1156655C Water softener valve |
| 07/07/2004 | CN1156506C Reticular foam polyurethane plastics and its preparing process |
| 07/07/2004 | CN1156407C Treatment and rediaimation of waste water in production of 4,4'-dinitrobistyrene-2,2'-bisulfonic acid |
| 07/07/2004 | CN1156334C Valve controlled residual pressure recovering equipment for impervious desalination system |
| 07/06/2004 | US6758977 Purification of phosphoric acid plant pond water |
| 07/06/2004 | US6758976 Simplified purification of phosphoric acid plant pond water |
| 07/06/2004 | US6758973 Supplying water to sludge separator to separate suspended material, lowering oxygen demand by depositing biological pollutants on biostep filter, reducing content of phosphorus and heavy metals in ion exchange process using sorbent filter |
| 07/06/2004 | US6758972 Method and system for sustainable treatment of municipal and industrial waste water |
| 07/06/2004 | US6758968 Fluid conduit with retained magnets |
| 07/06/2004 | US6758959 Length of tube suspended in well; supplying oxygen; applying electrical potential across plates; decomposing water into hydrogen and oxygen |
| 07/06/2004 | US6758954 Electrodeionization apparatus with resilient endblock |
| 07/06/2004 | US6758946 Recycling hydroxylamine-containing stripper solutions |
| 07/06/2004 | US6758633 In-situ process for detoxifying hexavalent chromium in soil and groundwater |
| 07/06/2004 | US6758345 Treatment media for water purification |
| 07/06/2004 | CA2141368C Electrodialysis treatment |
| 07/03/2004 | CA2444544A1 Water treatment apparatus |
| 07/01/2004 | WO2004054934A1 Device for providing ozone to a liquid, and system and method for treating a liquid with ozone |
| 07/01/2004 | WO2004054933A1 Magnetic conditioning of fluids and gases and apparatus therefor |
| 07/01/2004 | WO2004054932A1 Electrochemical method of sterilizing the sea ballast of ships |
| 07/01/2004 | WO2004054701A1 Fluidized bed container and filter |
| 07/01/2004 | WO2004054691A1 Reverse osmosis system |
| 07/01/2004 | WO2004036598A3 Method for removing heavy metals and radionuclides |
| 07/01/2004 | WO2004035478A3 Water purification by means of catalytic surfaces and microorganisms |
| 07/01/2004 | WO2004032979A3 Acidified chlorite compositions containing nitrogenous stabilizers and systems and methods related thereto |
| 07/01/2004 | WO2004020340A3 Fluid treatment system |
| 07/01/2004 | WO2004018067B1 Airlift membrane device, bioreactor and bioreaction process |
| 07/01/2004 | WO2004013048A3 Production of purified water and high value chemicals from salt water |
| 07/01/2004 | WO2004011378A3 Ozone purification system for water |
| 07/01/2004 | WO2004007050A9 Device and system for filtering effluents for horticulture or market gardening |
| 07/01/2004 | US20040127764 Method for decomposing a pollutant |
| 07/01/2004 | US20040127357 Modified solid support is coupling with aminopropylsilane, amidation with nitrilotriacetic acid, metallization with metal salt; for use to separat metals or biomolecules such as polypeptides, nucleic acids, or endotoxins |
| 07/01/2004 | US20040126468 Food or edible material and beverages: processes, compositions, and products |
| 07/01/2004 | US20040126310 Using iron compound; oxidation |
| 07/01/2004 | US20040126273 Systems and methods for disinfection |
| 07/01/2004 | US20040126272 Near infrared microbial elimination laser system |
| 07/01/2004 | US20040124271 Contamination control method and apparatus, and air-conditioning system of a substrate processing facility employing the same |
| 07/01/2004 | US20040124154 Process for flocculating suspensions |
| 07/01/2004 | US20040124153 Apparatus and method for the removal of a contaminant from a fluid comprising said contaminant |
| 07/01/2004 | US20040124152 Exposure carbon to ammonia to activate ; pyrolysis |
| 07/01/2004 | US20040124151 Agitating slurries; contacting with heavy metals; filtration; desorption |
| 07/01/2004 | US20040124150 Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials |
| 07/01/2004 | US20040124145 Using hydrophilic membrane; pervaporation; water pollution control |
| 07/01/2004 | US20040124136 Apparatus and a method for treating water or other liquid material and a guide plate for use in a tube |
| 07/01/2004 | US20040124132 Carbon dioxide recycle for immersed membranes |
| 07/01/2004 | DE10361872A1 Use of renewable resource materials as adsorbents for decontaminating drug-contaminated water |
| 07/01/2004 | DE10258898A1 Inactivation of microorganisms using cavitation generator, introduces high level of destructive ultrasonic energy into fluid containing them |
| 06/30/2004 | EP1433754A2 System and process for treating carbonaceous wastes |
| 06/30/2004 | EP1433753A1 Use of renewable raw materials for the decontamination of waters contaminated with pharmaceuticals |
| 06/30/2004 | EP1433520A1 Apparatus for electrodialysis |
| 06/30/2004 | EP1433513A2 Method and device for monitoring a water treatment unit |
| 06/30/2004 | EP1432955A2 A thermoplastic heat exchanger and method of making the same |
| 06/30/2004 | EP1432811A1 Cell separation matrix |
| 06/30/2004 | EP1432652A2 Method and device for purifying wastewaters |
| 06/30/2004 | EP1432651A1 Electrolysis cell for generating chlorine dioxide |
| 06/30/2004 | EP1432648A2 Filter device with a uvc lamp and a cleaning arrangement for said uvc lamp |
| 06/30/2004 | EP1432647A2 Point of use water purification method and apparatus |
| 06/30/2004 | EP1432646A1 Self contained water filter having zeolites, filtration membranes and water flow rate control means |
| 06/30/2004 | EP1432629A2 Method and apparatus for processing wet material |
| 06/30/2004 | EP1432535A1 Method for processing waste products and corresponding processing plant |
| 06/30/2004 | EP1432534A1 Method for treatment against corrosion and depositions in domestic supply water installations and apparatus therefor |
| 06/30/2004 | EP1432498A1 Method for preventing scaling of membranes in a one-step membrane process |
| 06/30/2004 | EP1432427A1 Composition of hypochlorous acid and its applications |