| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 08/03/2005 | CN1212977C Drain treating method, drain treating device and drain treating system |
| 08/03/2005 | CN1212975C Comprehensive pressure solution and electrolysis air floating system |
| 08/02/2005 | US6923910 Filter cartridge having bypass feature |
| 07/28/2005 | WO2005068372A1 Apparatus and method for purifying water |
| 07/28/2005 | US20050161342 Mediated electrochemical oxidation process used as a hydrogen fuel generator |
| 07/28/2005 | DE102004027786A1 Water treatment assembly for ornamental ponds, aquaria or drinking water has omni-directional ultraviolet light emitter directed at water cascade |
| 07/27/2005 | EP1274655B1 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 07/27/2005 | EP1230165B1 Method and apparatus for multistage liquid filtration |
| 07/27/2005 | CN2712920Y Water quality ecological machine for culture |
| 07/27/2005 | CN2712919Y High-oxygen electrolytic ion water generating device |
| 07/27/2005 | CN1646429A Preparation of waste water containing sodium chloride for use in chlor-alkali electrolysis |
| 07/27/2005 | CN1646202A Quick change filter and bracket system with key system and universal key option |
| 07/27/2005 | CN1644537A Polyether polyatomic alcohol producing sewage recovering and utilizing treatment |
| 07/27/2005 | CN1644536A Surface active agent waste water rapid treating, circulating and recovering method |
| 07/27/2005 | CN1644524A Waste liquid treating and comprehensive utilizing method |
| 07/27/2005 | CN1644523A Recovery of alcohol diisopropylamine from waste liquid of pharmaceutical industry |
| 07/26/2005 | US6921485 Two phase anaerobic organic matter treatment and system |
| 07/23/2005 | CA2493710A1 Process and apparatus for treating liquid waste material |
| 07/21/2005 | US20050155935 Liquid filtration device |
| 07/21/2005 | US20050155931 System and method for composting-free disposal of organic wastes |
| 07/20/2005 | EP1555246A1 Effluent treatment method and apparatus |
| 07/20/2005 | EP1554030A2 Pool filter with a pre-filtering unit |
| 07/20/2005 | CN2711158Y Device for remote controlling industrial circulation cooling water |
| 07/20/2005 | CN1640829A Carbno black water treating method |
| 07/20/2005 | CN1640822A Method for clarifying waste water containing organic material |
| 07/20/2005 | CN1211300C Scaling preventing method for water circulation system |
| 07/20/2005 | CN1211299C Household self control type processing device for purifying water quality by use of ozone |
| 07/20/2005 | CN1211298C Process for treatment of waste water containing boron |
| 07/20/2005 | CN1211294C Water treatment compositions |
| 07/20/2005 | CN1211292C Ion exchange removal of metal ions from wastewater |
| 07/20/2005 | CN1211290C Removing metal ions from wastewater |
| 07/14/2005 | WO2005012182A3 Filter assembly for a reprocessor |
| 07/14/2005 | US20050150843 Method and device for treatment of liquids, in particular for purification of contaminated water |
| 07/14/2005 | US20050150520 Methods of simultaneously cleaning and disinfecting industrial water systems |
| 07/14/2005 | DE202004020459U1 Treating aqueous liquids to reduce toxin levels comprises sonicating the liquid to generate hydroxyl radicals |
| 07/14/2005 | DE102004006378A1 Arrangement for filling a water bed mattress with water comprises a nutrient and/or an anabolic material removal unit, a unit for introducing water into the removal unit and a unit for feeding water into a water bed mattress |
| 07/13/2005 | EP1553055A1 Apparatus and method for purifying water |
| 07/13/2005 | EP1551774A2 Water purification by means of catalytic surfaces and microorganisms |
| 07/13/2005 | EP1551771A1 Methods for reducing boron concentration in high salinity liquid |
| 07/13/2005 | EP1551769A2 Mobile desalination plants and methods for producing desalinated water |
| 07/13/2005 | EP1551542A1 Process for mixing treatment additives to contaminated liquids |
| 07/13/2005 | EP1286922B1 Method for biological cleaning of wastewater |
| 07/13/2005 | CN2709437Y Integral, sewage treatment equipment |
| 07/13/2005 | CN2709436Y Automatic whole course water treater |
| 07/13/2005 | CN2709435Y High efficient small sewage treater |
| 07/13/2005 | CN1639074A Pre- and post-treatment system and method for periphyton filtration using ozone |
| 07/13/2005 | CN1636893A Combined effluent treating process of photooxidizing Fenton's reaction, flocculation and microbial degradation |
| 07/13/2005 | CN1636892A Combined process of treating high concentration and high colority effluent from acetaminophen production |
| 07/13/2005 | CN1210216C Urban domestic sewage treatment process and its method |
| 07/13/2005 | CN1210215C Process for deep treating sewage and reuse |
| 07/13/2005 | CN1210214C Treatment technology for acrylic fibers waste water by dry process |
| 07/13/2005 | CN1210213C Method of treating organic sewage difficult to bio-degrade by CuCl membrane |
| 07/12/2005 | US6917163 Inductively powered lamp assembly |
| 07/12/2005 | US6916427 Electrochemical method for treating wastewater |
| 07/12/2005 | US6916426 Method of waste treatment |
| 07/12/2005 | CA2346958C Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 07/07/2005 | WO2005061398A1 A system for water treatment |
| 07/07/2005 | WO2005061396A1 Wastewater treatment system |
| 07/07/2005 | WO2005061389A1 Mobile desalination plants and systems, and methods for producing desalinated water |
| 07/07/2005 | WO2005061388A1 Ballast water treatment system |
| 07/07/2005 | WO2005049499A3 Flow-through tank for water treatment |
| 07/07/2005 | US20050145574 Method of treating mine drainage |
| 07/07/2005 | US20050145569 Chemical coagulants are recovered from the sludge |
| 07/07/2005 | DE10352636A1 Verfahren und Anlage zur Aufbereitung von Abwässern auf Schiffen Method and apparatus for treatment of waste water on ships |
| 07/07/2005 | CA2548720A1 Mobile desalination plants and systems, and methods for producing desalinated water |
| 07/06/2005 | EP1549589A1 Method and apparatus for liquid purification |
| 07/06/2005 | EP1503841A4 Water filter assembly |
| 07/06/2005 | EP1487560A4 Multiple barrier filter apparatus |
| 07/06/2005 | CN2707749Y High-efficiency sewage bio-treatment system |
| 07/06/2005 | CN2707748Y Rapid sewage treating device |
| 07/06/2005 | CN2707747Y Sewage purifying vehicle |
| 07/06/2005 | CN2707746Y Domestic sewage treating apparatus |
| 07/06/2005 | CN2707745Y Tower type ecological filter tank |
| 07/06/2005 | CN2707743Y Domestic automatic water supplying machine using ozone sterilization |
| 07/06/2005 | CN1636424A Starter assembly for a gas discharge lamp |
| 07/06/2005 | CN1634780A Device for purifying slightly polluted water source by using air floated biological active carbon |
| 07/06/2005 | CN1634779A Method and device for purifying slightly polluted water source by using air floated biological active carbon |
| 07/06/2005 | CN1634778A Urban sewage treatment and reuse method |
| 07/06/2005 | CN1634777A Waste water purifying method and its magnetic puddler integrated device |
| 07/06/2005 | CN1209304C Garbage percolation liquid treatment process |
| 07/06/2005 | CN1209303C High chrominance printing and dyeing waste water treating process without producing mud |
| 07/06/2005 | CN1209302C Method for treating naphthenic acid sewage by flocculation-electricity heterogeneous catalysis |
| 07/06/2005 | CN1209301C Disposal method of sewage containing high concentration organics and ammonia nitrogen |
| 07/06/2005 | CN1209292C Water purification system and method |
| 06/30/2005 | WO2005026055A3 Treatment of aqueous chemical waste |
| 06/30/2005 | WO2003086564A8 Removal of arsenic from drinking and process water |
| 06/30/2005 | US20050142674 Fabrication method of semiconductor integrated circuit device |
| 06/30/2005 | US20050139555 Containing oxygenated hydrocarbons, aliphatic, aromatic and cyclic hydrocarbons and inorganic compounds: distillation or liquid-liquid extraction to remove non-acid oxygenated hydrocarbons; and membrane separation process in a secondary stage to remove suspended solids and acidic oxygenated hydrocarbons |
| 06/30/2005 | US20050139552 Portable, potable water recovery and dispensing apparatus |
| 06/30/2005 | US20050139550 Oil spill recovery method using surface-treated iron powder |
| 06/30/2005 | US20050139548 Extraction and oxidation process |
| 06/30/2005 | US20050139530 Water purifier and method of making and using the same |
| 06/29/2005 | EP1547978A2 Device for treating water |
| 06/29/2005 | EP1547977A1 Process for the treatment of waste water |
| 06/29/2005 | EP1546261A1 Treatment of dye baths by a membrane process for the purpose of the reuse of the water and naci in the process |
| 06/29/2005 | EP1545751A2 Portable compact ultra high purity water system via direct processing from city feed water |
| 06/29/2005 | EP1496018A4 Method for cleaning polluted water |
| 06/29/2005 | EP1478891A4 Portable, potable water recovery and dispensing apparatus |
| 06/29/2005 | EP1351896B1 Method for the recovery of iron from acidic, metal-contaminated water |
| 06/29/2005 | CN1631820A Combined treatment method and system for landfill leachate |