| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/19/2000 | CN1260764A Water evaporation apparatus |
| 07/19/2000 | CN1260327A Decontamination process for cyanogen-contained solution and its method for recovering valence component |
| 07/19/2000 | CN1260326A Harnessing pollution and full-recovering resources of paper mill |
| 07/19/2000 | CN1260325A High-effect and all-round synchronous magnetizing emulsifier |
| 07/19/2000 | CA2296289A1 Method and apparatus for separating soap |
| 07/19/2000 | CA2260399A1 Solar water purification cone |
| 07/18/2000 | USRE36780 Mannich acrylamide polymers |
| 07/18/2000 | US6090399 Controlled release composition incorporating metal oxide glass comprising biologically active compound |
| 07/18/2000 | US6090355 Method and device for cleaning flue gases from furnaces |
| 07/18/2000 | US6090296 Uses a highly-efficient, electrodeless microwave-excited lamp combined with a coaxial flow-through reactor design in which a liquid to bc treated is pumped from the bottom of the reactor and flows vertically upward through a reactor vessel |
| 07/18/2000 | US6090295 Method and apparatus for acoustically demixing aqueous solutions |
| 07/18/2000 | US6090294 Apparatus for the purification of water and method therefor |
| 07/18/2000 | US6090293 Flocculating process; organic flocculent based on a copolymer derived from slightly anionic acrylic acid |
| 07/18/2000 | US6090290 Using nontoxic carbohydrazide to reduce the selenium oxide in a solution of waste water to precipitate and recover elemental selenium; no longer considered hazardous waste and can be discharged into municipal sewage lines |
| 07/18/2000 | US6090285 Tank treatment assembly |
| 07/18/2000 | US6090281 Beverage storage and dispensing container |
| 07/18/2000 | US6090259 Liquid deionization apparatus having independently powered carbon-reinforced electrode structures |
| 07/18/2000 | US6090240 Method of inhibiting scaling in black liquor evaporators |
| 07/18/2000 | US6089381 Oil and gas well separation apparatus |
| 07/18/2000 | CA2190490C Method and compositions for treating recirculating water systems |
| 07/18/2000 | CA2134127C Device and method to separate components in mixtures of non-miscible liquids |
| 07/18/2000 | CA2102882C Process for removal of suspended solids from pulp and paper mill effluents |
| 07/18/2000 | CA2035188C Electrodes |
| 07/13/2000 | WO2000040807A1 Method and device for recovering liquid substance |
| 07/13/2000 | WO2000040666A1 Process and composition for treating hydrocarbon contaminated material |
| 07/13/2000 | WO2000040658A1 Room temperature cure, antimicrobial coating |
| 07/13/2000 | WO2000040514A1 Method for abating the content of undesirable organic compounds in industrial waste effluents for recycling |
| 07/13/2000 | WO2000040513A1 Method and apparatus for microfiltration |
| 07/13/2000 | WO2000040512A1 Sludge-free treatment of copper cmp wastes |
| 07/13/2000 | WO2000040511A1 Uv radiation device, especially for disinfecting liquids with reduced uv transmission |
| 07/13/2000 | WO2000009240A9 Filter bottle |
| 07/13/2000 | DE4119485C2 Verfahren zur Reinigung von Schwermetallionen enthaltenden Gasen und Flüssigkeiten A process for the purification of heavy metal ion-containing gases and liquids |
| 07/13/2000 | DE19941636A1 Water seed crystal generator has cathode and anode housing with inner scraper minimizing accumulation of crystal deposits and extending service life |
| 07/13/2000 | DE19900715A1 Electrochemical treatment of aluminum-containing solution, e.g. spent aluminum surface treatment or rinsing solution, comprises electrolysis and electrodialysis in a divided cell containing a precious metal, oxide and/or mixed oxide anode |
| 07/13/2000 | DE19845808C1 Verfahren und Vorrichtung zur biologischen Reinigung von Abwasser Method and apparatus for the biological purification of waste water |
| 07/13/2000 | DE10000269A1 Maintaining the reactivity of solid-bed filters containing reactive solids for use in water-treatment, analytical processes or for improving the taste of tea or coffee |
| 07/12/2000 | EP1018489A2 Method for treating waste water |
| 07/12/2000 | EP1018367A2 High surface area adsorbents and method of preparation |
| 07/12/2000 | EP1017637A1 Apparatus and method for oxidizing undigested wastewater sludges |
| 07/12/2000 | EP1017636A1 Methods and compositions for controlling biofouling using amino methyl phosphonic acids |
| 07/12/2000 | EP1017635A1 Removal of cell growth from a body of water |
| 07/12/2000 | EP1017634A1 Treatment of liquid waste |
| 07/12/2000 | EP1017633A1 Method and apparatus for decontamination of fluids |
| 07/12/2000 | EP1017632A1 Method of treating the circulation water from wet-wash spray booths |
| 07/12/2000 | EP1017631A1 Device and method for exposing liquids, including pretreated wastewater, to x-rays |
| 07/12/2000 | EP1017630A1 Apparatus for obtaining pure water from crude water |
| 07/12/2000 | EP1017629A1 Water evaporation apparatus |
| 07/12/2000 | EP1017628A2 Water treatment system having dosing control |
| 07/12/2000 | EP1017482A1 Electrochemically assisted ion exchange |
| 07/12/2000 | EP1017481A1 Electrochemical methods for recovery of ascorbic acid |
| 07/12/2000 | EP1017427A1 Chelators in combination with biocides: treatment of microbially induced biofilm and corrosion |
| 07/12/2000 | EP0944552A4 Method for removing toxic substances in water |
| 07/12/2000 | EP0930931A4 Modular filtration system |
| 07/12/2000 | EP0915059A4 Process for the electrochemically controlled absorption of soluble organic substances and of heavy metal ions extracted from aqueous solutions, and corresponding apparatus |
| 07/12/2000 | EP0912448A4 Methods for sanitizing water |
| 07/12/2000 | EP0888153B1 Method for hot and supercritical water oxidation of material using specific reactants |
| 07/12/2000 | EP0782546B1 Replaceable integrated water filtration and sterilization cartridge and assembly therefor |
| 07/12/2000 | EP0584228B1 A method of producing thermoplastic polymeric material |
| 07/12/2000 | CN2387103Y Chlorine dioxide compounding sterilizing aent generator by chemical process |
| 07/12/2000 | CN2387102Y Energy saving sewage purifying and circulating equipment |
| 07/12/2000 | CN2387101Y Small magnetic water quality and fluid regulator |
| 07/12/2000 | CN2387100Y Fluid magnetizing water purifier |
| 07/12/2000 | CN2387099Y Improved double air-float water purifier |
| 07/12/2000 | CN2387098Y Storage water tank |
| 07/12/2000 | CN1260043A Solid-state fluorometer and methods of use therefor |
| 07/12/2000 | CN1259923A Polysilicate microgels |
| 07/12/2000 | CN1259922A Polysilicate microgels and silica-based materials |
| 07/12/2000 | CN1259592A Method of recovering metal plating waste water to make water treatment agent |
| 07/12/2000 | CN1259491A City sewage treatment technology |
| 07/12/2000 | CN1259489A Method and equipment for treating waste water contg. phosphate radical ion |
| 07/12/2000 | CN1259396A High serface area adsorbent and method for preparing same |
| 07/12/2000 | CN1054311C Process and device for desalinating sea water |
| 07/11/2000 | US6087774 Non-electrode discharge lamp apparatus and liquid treatment apparatus using such lamp apparatus |
| 07/11/2000 | US6087507 Separation of pyridine or pyridine derivatives from aqueous solutions |
| 07/11/2000 | US6086783 Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water |
| 07/11/2000 | US6086772 An ozone generator, an ozone reservoir, an ozone injector for injecting the ozone as antifouling agent |
| 07/11/2000 | US6086771 Water continuous emulsion polymers for improving scale control in the bayer process |
| 07/11/2000 | US6086766 Process and apparatus for biological treatment of aqueous organic wastes |
| 07/11/2000 | US6086760 Ultraviolet sterilizer assembly for use in fish tanks |
| 07/11/2000 | US6086754 Dispensing apparatus having an improved filter unit |
| 07/11/2000 | US6086746 Efficient inhibition of bacterial and algicidal activity in aqueous media |
| 07/11/2000 | US6086739 In situ technology for soil cleanup; purification |
| 07/11/2000 | US6086733 Electrochemical cell for metal recovery |
| 07/11/2000 | US6086732 Flock separating apparatus |
| 07/11/2000 | US6086722 Minimizing evaporator scaling and recovery of salts during gasification |
| 07/11/2000 | US6085911 Method and apparatus for extracting metallic contaminants from substrates |
| 07/11/2000 | US6085540 Method and apparatus for disinfecting a water cooler reservoir |
| 07/11/2000 | CA2045923C Pyrogens separations by ceramic ultrafiltration |
| 07/06/2000 | WO2000039652A1 Performance-based control system |
| 07/06/2000 | WO2000039406A2 Method and device for cleaning up ground water |
| 07/06/2000 | WO2000039035A1 Process for the treatment of waste water containing heavy metals |
| 07/06/2000 | WO2000039030A1 Wastewater treatment system |
| 07/06/2000 | WO2000039025A1 Radical generating system |
| 07/06/2000 | WO2000038825A1 Method and device for regulated injection of liquid carbon dioxide in a pressurised liquid |
| 07/06/2000 | WO2000038815A1 Method and apparatus for disinfecting a water cooler reservoir |
| 07/06/2000 | WO2000038814A1 Treated water dispensing system |
| 07/06/2000 | WO2000038526A1 Ceramics for sterilization, method of production thereof and sterilization method using the ceramics |
| 07/06/2000 | WO2000038522A1 Synergistic antimicrobial combination of 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one and a mixture of a chlorinated isocyanurate and a bromide compound and methods of using same |
| 07/06/2000 | DE19860896A1 Continual low-cost electrical process for separating an emulsion of oil in water, requiring little maintenance and no consumable chemicals, comprises a direct current anode inert disc operating as a skimmer |
| 07/06/2000 | CA2391827A1 Method and apparatus for disinfecting a water cooler reservoir |