| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/30/2000 | WO2000000118A3 Absorbent article comprising a liquid handling member having high suction and high permeability |
| 03/30/2000 | WO1999047226A9 Bacteria limiting water treatment and storage systems and methods |
| 03/30/2000 | WO1999046201A3 Method and apparatus for preparation and use of ozone water |
| 03/30/2000 | DE19844381A1 Highly symmetrical, highly functional polymers obtained from vinyl cyclopropanes and useful as dental materials, coatings, complex-formers in metal salt precipitation or as catalysts |
| 03/30/2000 | DE19844329A1 Water with biological impurities electrolytically treated in titanium oxide catalytic reactor, process deals efficiently with large quantities with reproducible results |
| 03/30/2000 | DE19844179A1 Fuzzy logic process measures free chlorine, redox potential and pH value to minimize the release of excess disinfectant agent |
| 03/30/2000 | DE19844171A1 Biosorption process for removal of metals from solution, uses the consumption of citric acid by growing fungi to raise the pH to cause biosorption of metals into the fungal biomass |
| 03/30/2000 | DE19844059A1 Elektrolysezelle und deren Verwendung Electrolytic cell and the use thereof |
| 03/30/2000 | DE19843862A1 Verfahren zur Verhinderung der Schwimm- und/oder Blähschlammausbildung und/oder Beseitigung von Schwimm- und Blähschlamm in Kläranlagen A method for preventing the float and / or Blähschlammausbildung and / or disposal of flotation sludge in sewage treatment plants |
| 03/30/2000 | DE19842930A1 Aufbereitungssystem und Verfahren zur Verminderung des Sauerstoffgehalts von in einem Teilsystem einer technischen Anlage geführtem Wasser Treatment system and method for reducing the oxygen content of led in a subsystem of a technical plant water |
| 03/30/2000 | DE19842868A1 Water filter for swimming pool and industrial coolant circuits has copper insert preventing growth of algae |
| 03/30/2000 | DE19833739C1 Verfahren und Vorrichtung zum Abtrennen eines neutronenabsorbierenden Absorbers von einem Kühlmittel Method and apparatus for separating a neutron absorber by a cooling agent |
| 03/30/2000 | CA2343070A1 A 2,6-.beta.-d-fructan hydrolase enzyme and processes for using the enzyme |
| 03/29/2000 | EP0989206A1 Electrolysis cell and use thereof |
| 03/29/2000 | EP0989097A1 Method for preventing the floating and blowing sludge production and/or for eliminating floating and blowing sludge in purification plants |
| 03/29/2000 | EP0988880A1 Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions |
| 03/29/2000 | EP0988524A1 Solid-state fluorometer and methods of use therefor |
| 03/29/2000 | EP0988254A1 Process and agent for water purification |
| 03/29/2000 | EP0988253A1 Electrochemical treatment of ion exchange material |
| 03/29/2000 | CN2371183Y Efficient ozone purifier for water |
| 03/29/2000 | CN2371182Y Automation device for papermaking black liquor regenerating resources |
| 03/29/2000 | CN2371181Y Oil-water separating purifying tank |
| 03/29/2000 | CN2371180Y Jet dissolved air-float reactor |
| 03/29/2000 | CN1248924A Coagulation precipitator |
| 03/29/2000 | CN1248551A Method for raising circulation water value in thermal power generation plant |
| 03/29/2000 | CN1248486A Ferri-rareearth element compound water treatment adsorbent and preparation process thereof |
| 03/29/2000 | CN1248407A Method for preparing Ganlusihua beverage |
| 03/28/2000 | US6043067 Agitating suspended particles and liquid to divide it into turbulent zone close to liquid inlet and non-turbulent zone away from inlet; extent of turbulent zone is determined by degree of agitation; for bioreactors and wastewater treatment |
| 03/28/2000 | US6042763 Method of preparing porous ceramics provided with amorphous pore surfaces |
| 03/28/2000 | US6042743 Method of processing peat for use in contaminated water treatment |
| 03/28/2000 | US6042732 Starch/cationic polymer combinations as coagulants for the mining industry |
| 03/28/2000 | US6042731 Method of removing arsenic species from an aqueous medium using modified zeolite minerals |
| 03/28/2000 | US6042730 Car wash wastewater treatment |
| 03/28/2000 | US6042729 Regeneration of water treatment media |
| 03/28/2000 | US6042725 Water filter cartridge |
| 03/28/2000 | US6042720 Apparatus for storing and disinfecting a fluid |
| 03/28/2000 | US6042705 Portable device for deionizing liquids |
| 03/28/2000 | US6042701 Solar-powered direct current electrodialysis reversal system |
| 03/28/2000 | US6042677 Potted header for hollow fiber membranes and method for making it |
| 03/28/2000 | US6041829 Undersea pipe |
| 03/23/2000 | WO2000015565A2 Fluidized radial flow bioreactor utilizing pellet media |
| 03/23/2000 | WO2000015564A1 Waste water treatment |
| 03/23/2000 | WO2000015562A1 Method of controlling biofouling in aqueous media using antimicrobial emulsions |
| 03/23/2000 | WO2000015561A1 Apparatus and method of producing water for deodorization and cleaning applications |
| 03/23/2000 | WO2000015560A1 Removal of algae-associated odorants from fresh water |
| 03/23/2000 | WO2000015559A1 Liquid treatment |
| 03/23/2000 | WO2000015558A1 Thermal evaporation apparatus |
| 03/23/2000 | WO2000000140A3 Absorbent article instantaneously storing liquid in a predefined pattern |
| 03/23/2000 | DE19842528A1 Fibrous material containing sorbent for purifying water, drink and food is impregnated with iron, manganese or aluminum (hydr)oxide, long-chain carboxylic acid or salt, humic acid or humate as sorbent |
| 03/23/2000 | DE19842160A1 Process fluid ultra-violet sterilization lamp maintained clean without use of chemical additives by exposure to ultrasonic emissions |
| 03/23/2000 | DE19841024A1 Waste water treatment plant compensates for sharp variations in the rate at which water is admitted for treatment, without discharge of untreated water |
| 03/23/2000 | CA2342242A1 Method of controlling biofouling in aqueous media using antimicrobial emulsions |
| 03/22/2000 | EP0987223A1 Oligodynamic treatment of a fresh water volume |
| 03/22/2000 | EP0987222A2 Electrolyzed aqueous solution containing water for injection |
| 03/22/2000 | EP0986519A1 Biological product for maintaining water mains and purifying waste water |
| 03/22/2000 | EP0986518A1 A process for the treatment of effluent streams |
| 03/22/2000 | EP0986517A1 Method of disinfecting water and food stuff preservation with iodine species |
| 03/22/2000 | EP0986428A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 03/22/2000 | EP0880476B1 Process and plant for sewage treatment |
| 03/22/2000 | EP0880469B1 Method and apparatus for purifying water |
| 03/22/2000 | CN2370001Y Small CLS water drinking device |
| 03/22/2000 | CN2370000Y Automatic pressure water purifier |
| 03/22/2000 | CN2369999Y Three-in-one water processor for precipitation fitation and aeration |
| 03/22/2000 | CN2369998Y Magnetizing and purifier for thermos bottle |
| 03/22/2000 | CN2369997Y 反渗透净水机 RO water purifier |
| 03/22/2000 | CN2369996Y Detoxic, sterilizing water purifier |
| 03/22/2000 | CN2369995Y Waste water recovering and utilizing device for film method oil refining |
| 03/22/2000 | CN2369994Y 家用净水器 Household water purifiers |
| 03/22/2000 | CN2369991Y Generator for ozone water |
| 03/22/2000 | CN1248227A Method and apparatus for desalinating sea water, natural salt and fresh water |
| 03/22/2000 | CN1248173A Wastewater treating agent, method for wastewater treatment, sludge dehydrant and method for sludge treatment |
| 03/22/2000 | CN1247838A Cationic high-molecular flocculant and its preparation |
| 03/22/2000 | CN1247837A Waste water treating process for the preparation of styrene from ethylbenzene |
| 03/22/2000 | CN1247836A Preparation of clear water containing honeysuckle flower component |
| 03/22/2000 | CA2283026A1 Apparatus for treating water |
| 03/22/2000 | CA2283025A1 Water treating device for attachment directly to a hydrant outlet |
| 03/21/2000 | US6040406 Detectable water-treatment polymers and methods for monitoring the concentration thereof |
| 03/21/2000 | US6040376 Kosmotropic salt and a cationic organic salt, wherein said salts are used in amounts effective to precipitate said at least one anionic water-soluble polymer. |
| 03/21/2000 | US6039965 Antisticking agents of microorganisms |
| 03/21/2000 | US6039884 Reversible flow circuit for batch liquid purifier |
| 03/21/2000 | US6039883 Compound method for disinfection of liquids |
| 03/21/2000 | US6039882 Reacting organic contaminants such as halohydrocarbons with an alcohol, elemental iron and a sulfide-containing compound to cause a chemical reduction; produces hydrogen, nitrogen, methane, ethane, ethylene, and ethyne |
| 03/21/2000 | US6039881 Spray drying of polymer-containing dispersions, water-in-oil and water-in-oil microemulsions and dry polymer products formed thereby |
| 03/21/2000 | US6039878 Recovery of volatile organic compounds from emulsion of volatile organic compounds in water by pervaporation |
| 03/21/2000 | US6039875 Establishing turbulent conditions in aqueous solution and adding cultures of an exo-polymer producing bacterial capable of incorporating phosphate in poly(beta-hydroxybutyrate) storage polymers; inhibit filamentous bacteria |
| 03/21/2000 | US6039874 Aerobic digestion of screened effluent in a lagoon utilizing bacteria; diverting some for flushing livestock buildings, clarifying and denitrifying, filtration and sterilization to provide livestock drinking water; closed loop system |
| 03/21/2000 | US6039867 Device for continuous disintegration of activated sludge |
| 03/21/2000 | US6039866 Fluidized bed filtering apparatus |
| 03/21/2000 | US6039816 Cleaning the large amounts of nitrogen oxides produced when ozone is generated by discharge which chemically react with ammonia present in air to produce ammonium nitrate, adhers to discharge element, heating to evaporate ammonium nitrate |
| 03/21/2000 | US6039815 Cleaning method and apparatus for the same |
| 03/21/2000 | US6039789 Removal of boron and fluoride from water |
| 03/21/2000 | US6039460 Tubular lamp with transparent protective outer sleeve having one open end for receiving tubular glass lamp body with terminal pin electrical connector |
| 03/16/2000 | WO2000014830A1 Plug and method of manufacture |
| 03/16/2000 | WO2000014464A1 Ambient air water extraction and supply apparatus and method |
| 03/16/2000 | WO2000014304A1 Flow-through capacitor and method of treating liquids with it |
| 03/16/2000 | WO2000014019A1 A medical active water, manufacture and use thereof |
| 03/16/2000 | WO2000014018A2 Sterilizing device for a medium, preferably water |
| 03/16/2000 | WO2000013811A1 Apparatus and process for thermal treatment of waste |
| 03/16/2000 | WO2000013787A2 Oil sorbent composition |
| 03/16/2000 | WO2000013767A1 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids |