| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/16/2005 | CN1594145A Process for treating water |
| 03/16/2005 | CN1594144A Method and apparatus for treating and reusing domestic wastewater |
| 03/16/2005 | CN1594143A Treatment method for gas wash water |
| 03/16/2005 | CN1594142A Method for treating and utilizing rain water in block |
| 03/15/2005 | US6866780 Heated ultrasonic treating device and treating method for suspended matter-containing liquid |
| 03/10/2005 | WO2005021444A1 Process obtaining landfill disposable waste from hydrocarbon containing sludge |
| 03/10/2005 | WO2005021442A1 Cell for generating disinfection water and system using the same |
| 03/10/2005 | WO2005021441A1 An apparatus for purifying and sterilizing |
| 03/10/2005 | WO2005021440A1 Water treatment cartridges and processes related thereto |
| 03/10/2005 | WO2005021050A1 Method and apparatus for irradiating fluids |
| 03/10/2005 | US20050051494 Water treatment cartridges and processes related thereto |
| 03/10/2005 | US20050051488 System and method for treatment of acidic wastewater |
| 03/10/2005 | CA2536193A1 Method and apparatus for irradiating fluids |
| 03/09/2005 | EP1512670A1 Electrolytic reduced water, anti-cancer drug, and producing method and apparatus thereof |
| 03/09/2005 | EP1438116A4 Water filtering apparatus |
| 03/09/2005 | CN2683641Y 污水处理装置 Sewage treatment plant |
| 03/09/2005 | CN2683640Y Pond water quality treating machine |
| 03/09/2005 | CN1590322A Membrane separation method of zero discharge of electroplating waste water treatment |
| 03/09/2005 | CN1590321A Chemical fiber printing alkali reducing quantity waste water resources pretreatment method |
| 03/09/2005 | CN1590320A Method of eliminating trivalent arsenic in underground water using chlorine dioxide as oxidizing agent |
| 03/09/2005 | CN1590308A Water treater |
| 03/09/2005 | CN1192396C Treating apparatus for radioactive waste liquid |
| 03/09/2005 | CN1191998C Unpowered treatment method domestic sewage and organic waste water |
| 03/08/2005 | US6863827 Solar powered portable water purifier |
| 03/03/2005 | WO2005019118A1 Method, devices and reagents which are used for wastewater treatment |
| 03/03/2005 | WO2005019115A1 Water filter device |
| 03/03/2005 | WO2004096717A3 Method and apparatus for treating waste water |
| 03/03/2005 | US20050045534 System and method for removing deep sub-micron particles from water |
| 03/03/2005 | US20050045532 Deionized water filtration unit |
| 03/03/2005 | DE10335880A1 Water treatment process for non-potable water in hotels and hospitals has a tank with ultrasonic emitter and electrode array coupled to parallel water passage |
| 03/02/2005 | CN2682072Y Integral tower for sewage treatment |
| 03/02/2005 | CN2682071Y Novel ash-water separation apparatus |
| 03/02/2005 | CN1587124A Garbage percolation liquid treating system and method |
| 03/02/2005 | CN1587123A Physiochemical and biochemical interactive city sewage treating method |
| 03/02/2005 | CN1587122A Method for mixed biochemical treating filtrate and city sewage |
| 03/02/2005 | CN1587121A Comprehensive treating method and treating system for industrial aquatic cultivation sewage |
| 03/02/2005 | CN1587120A Treating device for hospital sewage |
| 03/02/2005 | CN1587119A Decoloring method for paper-making middle section water |
| 03/02/2005 | CN1587118A Purifying and recovering zero discharge process and operation device for coking sewage |
| 03/02/2005 | CN1587117A Purifying and recovering process flow and device for paper-making middle section water |
| 03/02/2005 | CN1587116A Photocatalytic sewage treatment device and method using nano titanium dioxide net |
| 03/02/2005 | CN1587115A Device and method for producing multiple trace element active water sing biological calcium magnet |
| 03/02/2005 | CN1587114A Liquid flow type capacitance pretreatment method for sea water desalination |
| 03/01/2005 | US6861041 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 03/01/2005 | US6860995 Periphyton filtration pre-and post-treatment system and method |
| 03/01/2005 | US6860990 Device for treating water |
| 03/01/2005 | US6860988 Fluid filtration system with fluid flow meter |
| 03/01/2005 | US6860976 Electrochemical apparatus with retractable electrode |
| 02/24/2005 | WO2005016833A1 Waste water treatment process |
| 02/24/2005 | WO2005016827A2 Compact water purification apparatus |
| 02/24/2005 | WO2004018733A3 Structure of an electrode for use in an electrolytic cell |
| 02/24/2005 | US20050042129 Method and apparatus for irradiating fluids |
| 02/24/2005 | US20050040091 Apparatus and method for separating and filtering particles and organisms from flowing liquids |
| 02/24/2005 | US20050039860 Oil/water separation system |
| 02/23/2005 | EP1507745A1 Method for treatment of sludge from waterworks and wastewater treament plants |
| 02/23/2005 | EP1507578A1 System for monitoring the performance of fluid treatment cartridges |
| 02/23/2005 | EP1343923B1 Electrochemical apparatus with retractable electrode |
| 02/23/2005 | EP1237820B1 Process and system for treatment of waste streams containing water-soluble polymers |
| 02/23/2005 | CN2680657Y Waste water treatment system integrating modular optimization technologies |
| 02/23/2005 | CN2680656Y Nano-filtration water purification system |
| 02/23/2005 | CN1583610A Treating process for cow dung waste liquid |
| 02/23/2005 | CN1583609A Waste water cryogenic treating apparatus for deaminizating phosphor-removing ventilating layer |
| 02/23/2005 | CN1583608A Comprehensive treatment of cotton-dreg black liquid and waste water from production of viscose fiber |
| 02/23/2005 | CN1583607A Integral phyical chemical treating method by bathing waste water reutilization |
| 02/23/2005 | CN1583606A Waste water reversing purifying method and purifier thereof |
| 02/23/2005 | CN1583605A Treating method and apparatus for seawater desalting |
| 02/23/2005 | CN1190373C Method for processing lignocellulosic material |
| 02/23/2005 | CN1190372C Biochemical method for synchronously treating discharged sewage |
| 02/23/2005 | CN1190368C Urban Sewage treating method |
| 02/22/2005 | US6858145 Method of removing organic impurities from water |
| 02/22/2005 | US6858139 A storage housing comprising dry reagent in a bed and a compressor and apertures for intaking water and discharing solution; a medical equipment for preparing dialysis solution from dry powder form |
| 02/18/2005 | CA2437426A1 Washing apparatus |
| 02/17/2005 | WO2005014489A1 Method for disinfecting liquids |
| 02/17/2005 | WO2005014485A2 Chemically enhanced primary sludge fermentation method |
| 02/17/2005 | WO2004106233A3 A process for recovering phosphorus from phosphorous production sludge |
| 02/17/2005 | US20050035059 pollution control apparatus comprising chemical reactors for anaerobic and aerobic processes, filters and desalting devices, used for bioremediation of wastes such as sewage, foods, agriculture or from fermentation processes; water treatment |
| 02/17/2005 | US20050035042 Water filter cartridge |
| 02/17/2005 | US20050034651 Apparatus and method for removing mercury and mercuric compounds from dental effluents |
| 02/17/2005 | CA2533159A1 Chemically enhanced primary sludge fermentation method |
| 02/16/2005 | EP1506138A1 Water filter assembly |
| 02/16/2005 | EP1506137A1 Method and device for the continuous treatment of water |
| 02/16/2005 | CN1579968A Integrated treating process of waste water extracted from gas well for reaching effluent standard |
| 02/16/2005 | CN1579967A Integrated urban waste water treating apparatus and process |
| 02/16/2005 | CN1579966A Deep treating method of sewage, such as percolate for urban refuse filling area |
| 02/16/2005 | CN1579965A Process for treating chloroform and carbon tetrachloride industrial waste water by catalytic metal reduction-flocculating settling method |
| 02/16/2005 | CN1579964A New method for treating waste water |
| 02/16/2005 | CN1579963A High flow mud-water particle multistage treating apparatus |
| 02/16/2005 | CN1579954A Process flow technique for treating waste liquid of fracturing operation for oil well drilling |
| 02/16/2005 | CN1189408C Sulfonation effluent treating and resource recovering method for 1,2,4-acid producing process |
| 02/15/2005 | US6855897 Water treatment apparatus and components |
| 02/15/2005 | US6855257 Method and system for heat transfer |
| 02/15/2005 | US6855256 Mixing sludge with an acidic leaching solution to acidify and to dissolve heavy metals and to destroy the majority of the pathogenic microorganisms, without dissolving fertilizing elements; solid-liquid separation; neutralizing; recovering |
| 02/15/2005 | US6854601 Bacteriostatic filter cartridge |
| 02/10/2005 | WO2005012182A2 Filter assembly for a reprocessor |
| 02/10/2005 | WO2005011750A2 Fluid over-flow/make-up air assembly for reprocessor |
| 02/10/2005 | US20050031516 Desorption of pollutants from the solids with a heated gas flow, separation of the gaseous pollutants, oxidation, aftertreatment; pollution control |
| 02/10/2005 | US20050029200 Powder coating using filters; aeration of aqueous solution; monitoring pH; circulation |
| 02/10/2005 | US20050029199 Method and apparatus for removing contaminants from conduits and fluid columns |
| 02/09/2005 | EP1503962A1 Transportable water treatment apparatus |
| 02/09/2005 | EP1503961A1 Process for the removal of organic sulfur in wastewater including an oxidative pretreatment |