| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 07/01/2003 | US6585897 Apparatus for treating gas containing substance to be decomposed and method of treating its gas |
| 06/26/2003 | WO2003052209A1 Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 06/26/2003 | WO2003051778A2 Method for treating circulating water in coagulation devices of paint installations |
| 06/26/2003 | WO2003051507A1 Apparatus and method for the continuous photolytic treatment of an effluent |
| 06/26/2003 | WO2003051463A1 Apparatus and method for the continuous photolytic treatment of an effluent |
| 06/26/2003 | US20030116506 Nucleation, agglomerant of fine particles; water pollution control; applying high frequency magnetic flux |
| 06/25/2003 | EP1320513A1 Ozone/uv combination for the decomposition of endocrine substances |
| 06/25/2003 | EP1259652A4 Process and apparatus for recovery of cyanide and metals |
| 06/25/2003 | EP1163190B1 Fluid treatment system and method |
| 06/25/2003 | EP1021379B8 Water purifying and dispensing apparatus |
| 06/25/2003 | CN2557521Y Fully automatic water purifier |
| 06/25/2003 | CN2557047Y 陶瓷电加热保健水壶 Ceramic electric kettle heating care |
| 06/24/2003 | US6582602 Characterizing soil and water at location of the contaminated water; accumulating a biomass of selected sulfate reducing bacteria, and introducing biomass into contaminated water via one or more wells at the location of the contaminated water, |
| 06/24/2003 | US6582595 Compact water conditioning apparatus |
| 06/24/2003 | US6582592 Apparatus for removing dissolved metals from wastewater by electrocoagulation |
| 06/24/2003 | US6582563 Water purification system |
| 06/19/2003 | US20030111424 Golf course irrigation water monitoring and treatment system |
| 06/19/2003 | US20030111408 Integrated hydroponic and wetland wastewater treatment systems and associated methods |
| 06/18/2003 | EP1060134B1 Method and device for treating aqueous flows in a bioreactor, an ultrafiltration unit and a membrane filtration unit |
| 06/18/2003 | CN1424987A Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 06/18/2003 | CN1424984A Process and system for treatment of wastes streams containing water-soluble polymers |
| 06/18/2003 | CN1424983A 水净化过滤器 Water Filters |
| 06/18/2003 | CN1424267A Chemicobiological flocculation treating method for urban sewage with suspending packing bed |
| 06/18/2003 | CN1424266A Oil field sewage biological treating method and activator thereof |
| 06/18/2003 | CN1424265A Process and apparatus for wastewater by batched membrane-bioreactor |
| 06/18/2003 | CN1424264A Water purification method and device |
| 06/18/2003 | CN1424263A Chemicals and method for treating wastewater from concentration of sulfuric ores |
| 06/17/2003 | US6579449 Carbonated water supply system |
| 06/17/2003 | US6579445 System for the production of laboratory grade ultrapure water |
| 06/12/2003 | WO2003048053A1 Sewage treatment plant |
| 06/12/2003 | WO2003048049A1 Process and device for the treatment of effluents produced during wine manufacture |
| 06/12/2003 | WO2003047782A1 Treatment of waste materials for disposal |
| 06/11/2003 | CN1422818A Process for treating waste water for fumaric acid production |
| 06/11/2003 | CN1422698A Method for adsorbing and absorbing fluorine-containing emulsion |
| 06/10/2003 | US6574979 Production of potable water and freshwater needs for human, animal and plants from hot and humid air |
| 06/05/2003 | WO2003045850A1 Method for removing metal in wastewater |
| 06/05/2003 | US20030105435 Providing non-sterile water to inlet of the housing, passing water through purification elements, outputting purified water from the housing, which has an organic content, pH, conductivity/impurity level suitable for human body injection |
| 06/04/2003 | EP1316534A1 Method for composting a slurry by sequential filtration with a carbonaceous substrate and installation thereof |
| 06/04/2003 | EP1253950B1 Sterile water generator and decontamination system |
| 06/04/2003 | CN2554161Y Intelligence intermediate water treatment device |
| 06/04/2003 | CN1421406A Treating process of waste water containing binary acid |
| 06/04/2003 | CN1421404A Drinking water defluorinating process and equipment |
| 06/04/2003 | CN1421400A Oxygen-containing water reflux and bioactive carbon waste water treating method and equipment |
| 06/04/2003 | CN1110459C Process for decompositing waste molasses ethanol liquid into clear water under normal temperature |
| 06/04/2003 | CN1110458C Deep treatment and circulating reusing method of waste water in wire production |
| 06/04/2003 | CN1110457C Production process of pharmaceutic water and its equipment |
| 06/03/2003 | USRE38130 Biological decontamination system |
| 05/30/2003 | WO2003043942A1 Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input |
| 05/30/2003 | WO2003043939A2 Method and apparatus for the treatment of particulate biodegradable organic waste |
| 05/29/2003 | US20030098282 Inorganic acid is added to coagulation waste water of fluoropolymer containing fluorine-containing emulsifier to adjust pH to at least 1 and less than 6, metal chloride is added to coagulate and remove solids |
| 05/28/2003 | EP1314700A1 Method for absorbing and recovering fluorine-containing emulsifier |
| 05/28/2003 | EP1313548A2 Apparatus and method for oxygenating wastewater |
| 05/28/2003 | EP0847374B1 Process for water treatment in a closed circuit with a reactor |
| 05/28/2003 | CN2552918Y Domestic water purifier |
| 05/28/2003 | CN1420846A Method for treating aqueous effluents contg. peroxidized compounds |
| 05/28/2003 | CN1420091A Papermaking waste liquor ecologic treatment and recovery circulation use |
| 05/28/2003 | CN1420090A Method for treating high concentration m-phthalic acid mixed waste water |
| 05/28/2003 | CN1420089A Water purifying apparatus and method |
| 05/28/2003 | CN1109659C Method for recovering alkali from papermaking black liquor |
| 05/27/2003 | US6569342 Process for treating waters, soils, sediments and/or silts |
| 05/27/2003 | US6569319 UV light intensity detector in a water treatment system |
| 05/27/2003 | US6569307 Object plating method and system |
| 05/27/2003 | CA2119543C Home water purification system |
| 05/22/2003 | WO2003042115A1 Integrated hydroponic and wetland wastewater treatment systems and associated methods |
| 05/22/2003 | WO2003042107A2 Water filter cartridge |
| 05/22/2003 | WO2003011769A3 Water treatment compositions |
| 05/22/2003 | US20030096703 Processes for manufacturing water filters |
| 05/22/2003 | US20030094610 Wash water or immersion water used during semiconductor manufacturing |
| 05/22/2003 | US20030094421 Combining both technologies allows as in-site production of a disinfectant agent for treating water reservoirs, particularly swimming pools. |
| 05/22/2003 | CA2467771A1 Integrated hydroponic and wetland wastewater treatment systems and associated methods |
| 05/22/2003 | CA2467045A1 Water filter cartridge |
| 05/21/2003 | CN2551647Y Water purifier |
| 05/21/2003 | CN1418832A Technology for treating and controlling waterlogging in refuse bury field |
| 05/21/2003 | CN1418831A Method for treating acidic waste-water contg. nonferrous metals |
| 05/20/2003 | US6565744 Waste water cleaning system |
| 05/20/2003 | US6565725 Electrolysis |
| 05/20/2003 | CA2251095C Portable/potable water recovery and dispensing apparatus |
| 05/15/2003 | US20030091469 Water treating method and water treating system |
| 05/15/2003 | US20030089671 Process for treating acidic and metallic waste water |
| 05/15/2003 | US20030089668 Adjusting pH by adding a calcium compound, adding zinc or manganese ions, adding an anionic inorganic colloid and a flocculant |
| 05/15/2003 | US20030089651 Water system for bacteria control |
| 05/15/2003 | US20030089619 Process and apparatus for recovery of cyanide and metals |
| 05/14/2003 | EP1310581A2 Process for the treatment of waste water containing acids and metals |
| 05/14/2003 | EP1310462A1 Water purification system and method |
| 05/14/2003 | EP1309519A2 Under the counter water treatment system |
| 05/14/2003 | EP1027136A4 Fluid purification devices and methods employing deionization followed by ionization followed by deionization |
| 05/14/2003 | CN1417845A Manufacture of semiconductor integrated circuit device |
| 05/14/2003 | CN1417143A ABS sewage treating method |
| 05/14/2003 | CN1417142A Chemically reinforced biological phosphate-eliminating process |
| 05/14/2003 | CN1417141A Method of treating acid metal-containing waste water |
| 05/14/2003 | CN1417140A Sewage purifying treatment method |
| 05/14/2003 | CN1417139A Method for reusing ammonia nitrogen containing effluent as circular cooling water |
| 05/13/2003 | US6562205 High-temperature ultrapure water production apparatus and liquid medicine preparation apparatus equipped with the production apparatus |
| 05/13/2003 | US6561382 With ozone |
| 05/13/2003 | CA2298425C Process for the treatment of arsenic-containing sludge |
| 05/08/2003 | WO2003037806A1 Method and apparatus for recovery of waste water |
| 05/08/2003 | WO2003037479A1 Water filtering apparatus |
| 05/07/2003 | EP1307405A1 Method and device for treating waste water from launderettes |
| 05/07/2003 | EP0946268B1 Method and apparatus for high efficiency reverse osmosis operation |
| 05/07/2003 | CN2549002Y Bath sewage purifying device for reuse |