| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 11/14/2001 | CN1321545A Process for preparing monodisperse cation exchanger gel |
| 11/14/2001 | CN1074683C Full-automatic purifying water pool |
| 11/13/2001 | US6316877 Lamp device and a method of regulating the lamp intensity |
| 11/13/2001 | US6316507 Providing waste material of polymer containing high-molecular weight polymeric material comprising a cyano group containing polymer; reacting said high-molecular weight polymeric material with an inorganic and/or organic amino amino compound |
| 11/13/2001 | US6315963 For use in existing ultraviolet reaction reaction chambers for the enhancement of fluid treatment processes |
| 11/13/2001 | US6315950 Contacting water with chlorine in the presence of ammonia wherein chloramines are formed, analyzing water after addition of chlorine to determine concentration of monochloramine in water |
| 11/13/2001 | US6315910 Adding to waste water biological treatment system an effective amount of a water soluble polymer consisting of dialkyl diallyl quaternary ammonium monomers for controlling snails |
| 11/13/2001 | US6315909 Use of control matrix for cooling water systems control |
| 11/13/2001 | US6315908 Method for treatment of waste water |
| 11/13/2001 | US6315906 Passing wastewater feed containing hydrogen peroxide and metal ions in solution through a carbon bed; passing carbon bed product stream from carbon bed to a chemical precipitation unit for removing metal ions from solution |
| 11/13/2001 | US6315904 Introducing sulphate-containing waste water into facultative pond having anaerobic pit upflow digester and oxygenated surface layer of water; mixing organic carbon source which exhibits chemical oxygen demand; biological sulphate reduction |
| 11/13/2001 | US6315903 Grinding and emulsifying waste; heating emulsion in first chamber heating vessel; removing primary solids; heating in second chamber heating vessel; de-emulsifying to form layer of fats, oils and grease and removing layer; separation |
| 11/13/2001 | US6315894 Automated effluence conditioning and treatment apparatus |
| 11/13/2001 | US6315893 Gas/liquid mixer with degasifier |
| 11/13/2001 | US6315887 Device and method for the purification of polluted water |
| 11/13/2001 | US6315886 Electrolytic apparatus and methods for purification of aqueous solutions |
| 11/13/2001 | US6315870 Method for high flux photocatalytic pollution control |
| 11/13/2001 | US6314974 Potted transducer array with matching network in a multiple pass configuration |
| 11/13/2001 | US6314895 Method for treating fluid liquid containing a volatile fraction |
| 11/12/2001 | CA2347456A1 Desalination process/equipment ii |
| 11/12/2001 | CA2308805A1 Desalination process/equipment |
| 11/08/2001 | WO2001083834A1 Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
| 11/08/2001 | WO2001083385A2 Devices and method for production of traceable immunizing drinking water, other liquids and gas |
| 11/08/2001 | WO2001083384A1 Use of control matrix for cooling water systems control |
| 11/08/2001 | WO2001083382A1 Method for the biological anaerobic treatment and reduction of excess sludges |
| 11/08/2001 | WO2001083381A1 Method and device for improving the taste of drinking water |
| 11/08/2001 | WO2001083379A1 Electrodialysis membrane and gasket stack system |
| 11/08/2001 | WO2001083378A1 Method and apparatus for clarification treatment of water |
| 11/08/2001 | WO2001083376A2 Method of reducing contaminants in drinking water |
| 11/08/2001 | WO2001083375A1 Autocycle control of cooling water systems |
| 11/08/2001 | WO2001083079A1 Water purifier |
| 11/08/2001 | WO2001083070A1 Methods for recycling process wastewater streams |
| 11/08/2001 | WO2001044115A3 Waste water treatment system |
| 11/08/2001 | WO2000051704A9 Apparatus and method for preparation of a peritoneal dialysis solution |
| 11/08/2001 | WO2000013787A3 Oil sorbent composition |
| 11/08/2001 | US20010038805 Apparatus and method for controlled delivery of a gas |
| 11/08/2001 | US20010038087 In gas, liquid, solid, forms as combustible fuel; detectable by peaks in mass spectrophotometry |
| 11/08/2001 | US20010037981 Wastewater treatment method and wastewater treatment equipment for recycling reactants and unreacted chemicals |
| 11/08/2001 | US20010037980 Vaporization of chlorine based organic matter, photocatalyst, oxidizing with ultraviolet light, decomposing, and absorbing, adsorbing, or neutralizing; efficiency; by-product inhibition |
| 11/08/2001 | US20010037976 Regeneration and reuse of absorption media, zinc hydroxide, ion exchange resin |
| 11/08/2001 | US20010037964 Filter system |
| 11/08/2001 | US20010037963 Artificial spa generator |
| 11/08/2001 | US20010037942 Electrodialysis membrane and gasket stack system |
| 11/08/2001 | DE19534102C2 Verfahren und Vorrichtung zur Tiefenfiltration von Flüssigkeiten Method and apparatus for depth filtration of fluids |
| 11/08/2001 | DE10021632A1 Reducing excess sludge production in an aerobic wastewater treatment plant comprises treating a mixture of excess sludge and clarified water with ozone |
| 11/08/2001 | DE10020437A1 Method and equipment for inhibiting scale formation and corrosion in system conveying or in contact with liquid, e.g. drinking water, involves increasing molar fraction of magnesium (compound) with respect to other salts causing hardness |
| 11/08/2001 | CA2408324A1 Methods for recycling process wastewater streams |
| 11/08/2001 | CA2407599A1 Electrodialysis membrane and gasket stack system |
| 11/08/2001 | CA2402982A1 Autocycle control of cooling water systems |
| 11/07/2001 | EP1151967A1 Method and apparatus for treating contaminated material containing animal or vegetable waste oil or the like |
| 11/07/2001 | EP1151965A2 Process for the preparation of polyaluminium nitrates and their use in water purification |
| 11/07/2001 | EP1151792A1 Method of reinforcing catalyst reaction |
| 11/07/2001 | EP1151786A1 Gas-liquid mixing device |
| 11/07/2001 | EP1151757A1 Sterilization method using a vibrationally stirring apparatus |
| 11/07/2001 | EP1151232A1 Apparatus for treating groundwater |
| 11/07/2001 | EP1150923A1 Method for removing deposits from water transmission systems and devices for supplying water |
| 11/07/2001 | EP1150921A1 Electrolytic apparatus, methods for purification of aqueous solutions and synthesis of chemicals |
| 11/07/2001 | EP1150920A1 Method and machine for extracting, by evaporation, solid residues contained in a fluid matter |
| 11/07/2001 | EP1012116B1 Device for degerminating water passing through a sanitary device |
| 11/07/2001 | EP0683692B1 Method for recovering particulate and scavenging formaldehyde |
| 11/07/2001 | CN2458356Y Device for reusing waste water |
| 11/07/2001 | CN2458353Y Domestic sewage secondary using water-saving equipment |
| 11/07/2001 | CN2458349Y Purifier for domestic water |
| 11/07/2001 | CN2458298Y Drinking water sterilizer |
| 11/07/2001 | CN2458297Y Self-clean portable watering can |
| 11/07/2001 | CN2458296Y Equipment for treating high-concentrated metal ion acidity waste water |
| 11/07/2001 | CN2458295Y Normal temp filtering-type oxygen remover |
| 11/07/2001 | CN2458294Y Automatic dispensing device for purifying agent |
| 11/07/2001 | CN2458293Y Automatic controller for purifying waste water |
| 11/07/2001 | CN2458292Y Stable chlorine dioxide activating chemica ladder |
| 11/07/2001 | CN2458291Y Magnetizing treater for fluid in pipe |
| 11/07/2001 | CN2458290Y Magnetic dialysis device for desalination of sea (salt) water |
| 11/07/2001 | CN2458289Y Fluid activating device |
| 11/07/2001 | CN2458288Y Electronic treater for fresh water |
| 11/07/2001 | CN2458287Y Kitchen oil, dirt and water separator |
| 11/07/2001 | CN2458286Y Photoelectric catalyzing water quality purifier |
| 11/07/2001 | CN2458285Y Eddy air-float integrated device |
| 11/07/2001 | CN2458284Y Solar sea water purifier |
| 11/07/2001 | CN2458283Y Improved machine for producing distilled water |
| 11/07/2001 | CN2458282Y Steam pure water device |
| 11/07/2001 | CN2458281Y Running water treater for electromagnetic valve |
| 11/07/2001 | CN2458004Y Purifying sterilizing apparatus |
| 11/07/2001 | CN1320565A Ozone treatment apparatus |
| 11/07/2001 | CN1320564A Condensation process for cleanly preparing foamer |
| 11/07/2001 | CN1320563A Heterogeneous separation and condensation process for foamer |
| 11/07/2001 | CN1320562A Process for treating oil field sewage |
| 11/07/2001 | CN1320557A Doped titanium dioxide |
| 11/07/2001 | CN1320483A Ion exchanger |
| 11/07/2001 | CN1320472A Method and device for recovery of waste gas |
| 11/07/2001 | CN1320401A Process for preparing natural sweet dew from odrinary drinking water |
| 11/06/2001 | US6313468 Device for the continuous determination of the UV-transmission through flowing or running media |
| 11/06/2001 | US6313246 Unsaturated quaternary ammonium or sulfonium salt and nonionic monomers ; water in oil emulsion, dispersion or gel; papermaking |
| 11/06/2001 | US6313199 Used in water-treating, mining, paper, biotechnological, food processing, soil conditioning, solution thickening, and oil recovery applications |
| 11/06/2001 | US6312644 Antiscaling agents |
| 11/06/2001 | US6312609 Particularly in a storage, such as a container, a reservoir, a vessel or a like |
| 11/06/2001 | US6312608 Container having the capacity to be filled with, and dispense a liquid while isolating the liquid from any gaseous substance, the variable volume liquid container having a sterilizer disposed within the liquid |
| 11/06/2001 | US6312606 Method for measuring the degree of treatment of a medium by a gas |
| 11/06/2001 | US6312604 Lanthanide halide dissolves and forms a precipitate of lanthanum phosphates; control the growth of algae and other microorganisms |
| 11/06/2001 | US6312601 Treating a wastewater stream containing colloidal silica with an organic polymer coagulant, wherein the coagulant reacts with the silica to form a spherical, silica-based particulate which agglomerates to form a cluster |
| 11/06/2001 | US6312595 Water filtering system |