| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 11/29/2001 | WO2000041462A3 Process and apparatus for cleaning of waste water |
| 11/29/2001 | US20010046946 Compositions and methods for controlling algae in recirculating water systems |
| 11/29/2001 | US20010046461 Transmission meter, a method of measuring transmittance and a disinfection apparatus |
| 11/29/2001 | US20010045543 Water purificant methods |
| 11/29/2001 | US20010045396 Physicochemical method of oxygen scavenging in boiler feedwaters |
| 11/29/2001 | US20010045393 Using urea sulfate, urea hydrochloride, triethanolamine hydrochloride, triethanolamine sulfate to adjust pH |
| 11/29/2001 | US20010045383 Method and apparatus for treating stormwater runoff |
| 11/29/2001 | US20010045381 Carbonated water supply system |
| 11/29/2001 | US20010045380 Spa chemistry monitor unit |
| 11/29/2001 | DE10105111A1 Device for cleaning liquid contaminated with solids has separation container with at least one filter element for separating solids from liquid to be cleaned |
| 11/29/2001 | DE10066002A1 Funnel and gate groundwater remediation with integrated UV irradiation treatment to combine the advantages of both types of process |
| 11/29/2001 | DE10025002A1 Photocatalytic water treatment cascade with admixed gas and selected cascade geometry has large area light impingement surface |
| 11/29/2001 | DE10024594A1 Waste water filter membrane pendulum action filter cassette driven by continual supply of rising gas |
| 11/29/2001 | DE10024500A1 Treatment of water or aqueous liquid or solution by tea-bag or infuser method, used to purify drinking water or sewage or prepare drink or pharmaceutical formulation, includes introducing and separating gas bubbles |
| 11/29/2001 | DE10024447A1 Verfahren zum Herstellen von Reinstwasser und Vorrichtung zum Durchführen des Verfahrens A method of producing ultrapure water and apparatus for carrying out the method |
| 11/29/2001 | DE10024071A1 Mains drainage intermediate treatment station repeatedly agitates and oxygenates water for expulsion of gases to a filter |
| 11/29/2001 | DE10023749A1 Mobile device to clean contaminated fluids; has rigid support frame of transverse frames and longitudinal beams, which holds textile or film walled container for fluid that has drain fitted at one end |
| 11/29/2001 | CA2409607A1 Method for processing waste and waste processing plant |
| 11/28/2001 | EP1158249A2 Process of antibacterial action in electric domestic water storage heaters and device using this process |
| 11/28/2001 | EP1157972A1 A method of processing oil-plant wastes |
| 11/28/2001 | EP1157971A1 Method and compositions for treating recirculating water systems |
| 11/28/2001 | EP1156988A1 Method of making silica glass honeycomb structure from silica soot extrusion |
| 11/28/2001 | EP1156987A1 Method of removing biofilms from surfaces submerged in a fouled water system |
| 11/28/2001 | EP1156986A1 System for treating fluids in an electric field |
| 11/28/2001 | EP1156874A1 Method and membrane system for sterilizing and preserving liquids using carbon dioxide |
| 11/28/2001 | EP1051227A4 Water continuous emulsion polymers for improving the efficiency of filtration, clarification and scale control in the bayer process |
| 11/28/2001 | EP1042237B1 A method and a system for purifying water |
| 11/28/2001 | EP0973694B1 USE OF A CaCO3-CONTAINING COMPOSITION AS ADDITIVE TO SEAWATER IN WHICH MARINE ANIMALS ARE REARED OR KEPT |
| 11/28/2001 | EP0892677B1 Electrodeionization apparatus and method |
| 11/28/2001 | EP0623119B1 Novel 3-halo-5-halomethyl-2-oxazolidinones and their use as microbicides |
| 11/28/2001 | CN2461977Y Household waste water processing and utilizing appts. |
| 11/28/2001 | CN2461972Y 家用节水器 Household saving devices |
| 11/28/2001 | CN2461921Y Automatic sewage purifier |
| 11/28/2001 | CN2461918Y Sewage treatment reactor using bellows and process of super-critical water oxidation |
| 11/28/2001 | CN2461917Y Efficient magnetizing sterilizing instrument |
| 11/28/2001 | CN2461916Y Liquid magnetizing processor |
| 11/28/2001 | CN2461915Y Reverse osmosis unit with piston type energy recoverer |
| 11/28/2001 | CN2461914Y Pressure bomb resin regenerator |
| 11/28/2001 | CN2461913Y Filter of water treatment machinery |
| 11/28/2001 | CN2461912Y Running water purifier |
| 11/28/2001 | CN2461911Y Water gas sterilizing oxygenation processor |
| 11/28/2001 | CN2461910Y Automatic cleaning, pollution discharging and explosion-proof device of household water purifier |
| 11/28/2001 | CN2461909Y Distilled water machine with steam purifying appts. |
| 11/28/2001 | CN2461908Y Hand pressuring water purifier |
| 11/28/2001 | CN1324331A Method and apparatus for disinfecting drainage |
| 11/28/2001 | CN1324330A Process for the control of microbial contamination in water-based suspensions of solid particles |
| 11/28/2001 | CN1324327A Method for obtg. ammonia from wastewater contg. NH3 and acid gases |
| 11/28/2001 | CN1323939A Water economizer |
| 11/28/2001 | CN1323748A Supercritical sewage oxidizing treater |
| 11/28/2001 | CN1323747A High molecular heavy metals trapping precipitant |
| 11/28/2001 | CN1075521C Polystyrene-based sulfonyl hydrazino dithio formate resin |
| 11/28/2001 | CN1075471C Method for treating high concentration waste water difficult to be bio-oxidized |
| 11/27/2001 | US6322822 Biocidal applications of concentrated aqueous bromine chloride solutions |
| 11/27/2001 | US6322703 Method for purifying aqueous suspension |
| 11/27/2001 | US6322701 Water treatment process |
| 11/27/2001 | US6321837 Method and device for the in-situ elimination of hazardous substances from the groundwater and perched water |
| 11/27/2001 | US6321546 Heat transfer system |
| 11/27/2001 | CA2182667C Method for zero-effluent of industrial rinse water and apparatus used therefor |
| 11/22/2001 | WO2001087998A2 Antimicrobial polymers and polymer blends made of polymer alkyl acrylamides |
| 11/22/2001 | WO2001087780A1 Method and agent for suspending solid or liquid, fat-containing or fatty impurities |
| 11/22/2001 | WO2001087779A1 Pumping arrangement for a household water purifier |
| 11/22/2001 | WO2001087778A1 Water purification apparatus |
| 11/22/2001 | WO2001087777A2 Filter devices and methods of use |
| 11/22/2001 | WO2001087776A2 Electrode and electrochemical cell for water purification |
| 11/22/2001 | WO2001087473A1 Method and device for the physicochemical treatment of fluid media |
| 11/22/2001 | WO2001087471A2 Highly efficient method of mixing dissimilar fluids using mechanically induced cavitation |
| 11/22/2001 | WO2001087470A1 Method and device for purifying water |
| 11/22/2001 | WO2001087467A1 Method and system for treating swine manure |
| 11/22/2001 | WO2001087116A1 Washing device |
| 11/22/2001 | WO2001056684A9 A method for treatment of flue gas cleaning products |
| 11/22/2001 | WO2001031658A3 Method and device for reducing cationic impurities and for dosing lithium in the cooling water of a light-water reactor and a cooling water system of a light-water reactor having such a device |
| 11/22/2001 | US20010043938 Includes low temperature far infrared emitting metal oxides such as magnesium iron oxide (MgFe2O4) and other specified metal oxides of formula AB2O4, and an antimicrobial 3-(trimethoxysilyl)-propyldimethyloctadecyl ammonium chloride |
| 11/22/2001 | US20010043900 Precipitating ammonium as magnesium ammonium phosphate from the ammonium-containing, solids-free, aqueous concentrate and recovering ammonium-free residual concentrate containing further soluble constituents |
| 11/22/2001 | US20010043886 Controls transfer of various kinds of solutions, selectively and quantitatively; for nucleic acid purification |
| 11/22/2001 | US20010042802 Formulae, methods and apparatus for the treatment of, processing of, pasteurisation, dissociating water in, and the comminution of: materials; sewage; and bio-solids |
| 11/22/2001 | US20010042723 Composition and method for treating aqueous composition contaminants |
| 11/22/2001 | US20010042721 System and method for high speed dewatering of slurries |
| 11/22/2001 | US20010042720 Method and apparatus for removing pernicious contaminants from bilgewater discharge |
| 11/22/2001 | US20010042719 Nanocrystal-containing filtration media |
| 11/22/2001 | US20010042715 Filtration and purification system for pH neutral solutions |
| 11/22/2001 | US20010042708 Assembly for purifying water |
| 11/22/2001 | US20010042682 Electrode and electrochemical cell for water purification |
| 11/22/2001 | US20010042561 Apparatus for washing and disinfecting an endoscope cable assembly |
| 11/22/2001 | DE10025790A1 Online continuous determination of the chemical oxygen requirement for oxidation of dissolved and suspended matter in sewage water by simultaneous determination of water refraction index and turbidity number in a transparent pipe |
| 11/22/2001 | DE10024979A1 Treatment of fecal material in mobile toilet tanks involves using concentrate to convert the hydrogen sulfide, ammonia and urea to ammonium salts so as to suppress odors and give product useful as fertilizer |
| 11/22/2001 | DE10024270A1 Antimicrobial polymer production, comprises polymerizing optionally substituted acrylamide monomers, used e.g. for coating medical and hygiene articles |
| 11/22/2001 | DE10022901A1 Mixing unit for supplying a filtration agent to a sludge suspension comprises a partially hollow shaft with a control element which governs the pressure in the chamber for the filtration agent |
| 11/22/2001 | DE10022867A1 Precipitation of nickel and lead ions from iron(II) salt solution, from e.g. lixiviation of cyclone dust from titanium dioxide production by chloride process, involves using excess alkali sulfide and filtration after dwell |
| 11/22/2001 | DE10022798A1 Ceramic material used for filtering water, storing water and adsorbing bacteria comprises silicon dioxide and sodium oxide and/or potassium oxide with specified porosity |
| 11/22/2001 | DE10022561A1 Purification of aqueous waste liquor containing silicon from chip production involves acidifying liquor by adding metal salt, neutralizing by adding aqueous caustic alkali solution and removing silicon |
| 11/22/2001 | DE10022093A1 Treatment of swimming pool water, adds controlled quantity of ozone to side stream which is passed to reaction vessel and returned to main stream following adequate residence time |
| 11/22/2001 | CA2415920A1 Electrode and electrochemical cell for water purification |
| 11/22/2001 | CA2409235A1 Filter devices and methods of use |
| 11/21/2001 | EP1156015A1 Process and plant for filtrate generation from the stream of recycled sludge |
| 11/21/2001 | EP1156014A1 Waste water treatment method and apparatus |
| 11/21/2001 | EP1156013A1 Continuous process for disinfection of legionellosis in hot water supply systems |
| 11/21/2001 | EP1155752A1 Method and apparatus for purifying polluted substances containing halogenated organic compound |
| 11/21/2001 | EP1155094A1 Method for removing mineral-oil contamination and the use of hemp |
| 11/21/2001 | EP1154958A1 Method for conditioning sludge |
| 11/21/2001 | EP1154957A2 Devices for supplying autarkic buildings |