| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 02/20/2007 | US7179372 Methods and apparatuses for filtering water |
| 02/19/2007 | CA2556357A1 Portable oil field waste water treatment and recycling system |
| 02/15/2007 | US20070034567 Water treatment device |
| 02/15/2007 | DE102005037831A1 Purifying heavy metal-containing waste water from processing and cleaning of fishing nets, by flocculation, solid-liquid separation, precipitation of heavy metals and sedimentation |
| 02/14/2007 | EP1751063A1 Ballast water system |
| 02/14/2007 | CN2869004Y Vehicular prized oil-gas field waste water treating device |
| 02/14/2007 | CN1911840A Water treatment device |
| 02/14/2007 | CN1911839A Ultrasonic magnetic field materilization freatment method for high concentration sewage |
| 02/14/2007 | CN1911838A Method for treating meta ethylene chloride saponification waste water |
| 02/14/2007 | CN1911837A Treatment method of high concentration undegradable nitrile containing organic waste water |
| 02/14/2007 | CN1911836A Waste water treatment method and its device |
| 02/14/2007 | CN1300020C Domestic sewage deeply treating process |
| 02/14/2007 | CN1300019C River way type sewage treatment system |
| 02/14/2007 | CN1300018C Process of forming an oxidizing agent in liquid by use of ringing magnetic flux |
| 02/14/2007 | CN1300017C Tech. process for reducing mineralization of extracting oil sewage |
| 02/14/2007 | CN1300012C Process for treating waste water of nitrobenzene, 2,4-dinitrophenol, p-nitro-chlorebenzene |
| 02/13/2007 | US7175768 Method and device for clarification of liquids, particularly water, loaded with material in suspension |
| 02/13/2007 | US7175765 First electrochemical treatment step, and a second biochemical treatment step; increased efficiency and decreased power requirement; treating organic nitrogen, nitrite nitrogen, nitrate nitrogen, ammonia nitrogen or the like in organic waste water discharged from, e.g., a livestock breeder |
| 02/13/2007 | US7175758 Method and apparatus for recycling wash chemicals |
| 02/13/2007 | US7175054 Method and apparatus for disinfecting a refrigerated water cooler reservoir |
| 02/08/2007 | WO2005122686A3 Vehicle interface |
| 02/08/2007 | US20070031305 lead wires having cathode and anode are alternately wound on a body in the horizontal direction, the cell is disposed in plural in the vertical direction to the flow of water by a given distance so that a plasma reaction is generated between both lead wires in the linear direction, increased efficiency |
| 02/08/2007 | US20070029243 Methods and apparatus for treating animal manure |
| 02/08/2007 | DE102005036470A1 Plant for purifying radioactively contaminated waste water, especially from hospital radiology departments, comprising two gas-supplied biological clarification vessels in series |
| 02/07/2007 | CN1907889A Apparatus and method of treating city domestic refuse percolation liquid by two-stage UASB+A/O technique |
| 02/07/2007 | CN1907888A Process method for waste water containing nitrobenzene and aniline |
| 02/07/2007 | CN1907887A Waste oil purifier for treating and recovering kitchen sewage containing slag |
| 02/07/2007 | CN1298642C Process for reusing sewage from flax degumming treatment |
| 02/07/2007 | CN1298641C Photocatalytic oxidation reaction- membrane separation method for processing antibiotic industry waste water |
| 02/07/2007 | CN1298640C Resource process of inflitration liquid 'bio-processing and filtering process' membrane cutting liquid |
| 02/06/2007 | US7173255 Irradiation device |
| 02/06/2007 | US7172701 Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent |
| 02/06/2007 | US7172693 Quick change filter and bracket with key system and universal key option |
| 02/06/2007 | US7172692 Filtering device |
| 02/06/2007 | CA2299519C Method and device for purifying waste water comprising an additional sludge treatment by ozonation |
| 02/01/2007 | WO2005115921A8 Method for electromagnetic treatment of water conferring a biological activity thereon |
| 01/31/2007 | EP1747811A1 Filter for the production of substantially germ-free water |
| 01/31/2007 | CN1906131A Method of treating strongly acid wastewater containing harmful substance |
| 01/31/2007 | CN1903752A Method of nitrosation electrochemical back nitrosation full autotrophic deammoniacal nitrogen and its reactor |
| 01/31/2007 | CN1903751A Treatment technology of spirulina waste water |
| 01/31/2007 | CN1903750A Circulation reuse method of carbide slag supernatant fluid |
| 01/30/2007 | US7170200 Starter assembly for a gas discharge lamp |
| 01/25/2007 | WO2007011325A1 Aquarium filter |
| 01/25/2007 | WO2007010550A1 A reverse osmosis based drinking water purification process |
| 01/25/2007 | WO2007010549A1 A household reverse osmosis based drinking water purifier |
| 01/25/2007 | WO2007009312A1 An electrolysis ozone-generating apparatus |
| 01/25/2007 | WO2007009309A1 An ozone water/oxygen enriched water generating apparatus |
| 01/25/2007 | WO2005107919A3 Cartridge filter system |
| 01/25/2007 | DE102005035950A1 Industrial wastewater treatment comprises filtration followed by reverse osmosis, with ultraviolet irradiation before or after reverse osmosis |
| 01/25/2007 | CA2578599A1 Aquarium filter |
| 01/24/2007 | EP1744991A1 A method and a system for purifying water from a basin, in particular a swimming pool |
| 01/24/2007 | EP1744990A1 Method for electromagnetic treatment of water conferring a biological activity thereon |
| 01/24/2007 | EP1506137B1 Method and device for the continuous treatment of water |
| 01/24/2007 | CN1902134A Water treatment system and method |
| 01/24/2007 | CN1901996A Water treatment system and method |
| 01/24/2007 | CN1899987A Process and method for treating fine molecular high concentration waste water containing organic nitrogen |
| 01/24/2007 | CN1899986A Method for treating printing and dyeing waste water by high pressure cavitation jet combined with fenton reagent |
| 01/24/2007 | CN1899985A Treating, recovering and reutilizing method for electroplating waste liquid containing heavy metals |
| 01/24/2007 | CN1296297C Deep cleaning treatment process for city effluent |
| 01/24/2007 | CN1296296C Textile printing and dyeing waste water processing system and method |
| 01/24/2007 | CN1296292C Waste water treatment method |
| 01/23/2007 | US7166230 Apparatus and method for separating and filtering particles and organisms from flowing liquids |
| 01/23/2007 | US7166219 Method of purifying fischer-tropsch derived water |
| 01/23/2007 | US7166216 Point-of-use water treatment system |
| 01/18/2007 | DE102005032137A1 Liquid processing plant for cleaning contaminated liquids by filter element, comprises pressure tanks exhibiting filter element for filtration of raw water to pure water, discharge opening for pure water, and connection |
| 01/17/2007 | EP1743871A1 Waste water treatment in automatic multi-tank cleaning devices |
| 01/17/2007 | EP1742881A1 Water treatment device and method therefor |
| 01/17/2007 | CN1896017A Efficient integrated treater for living sewage |
| 01/17/2007 | CN1295166C Method for directly treating high temperature and high turbidity PVC mother liquor by using biologic filter |
| 01/17/2007 | CN1295165C Treating process of mercury-containing waste water |
| 01/17/2007 | CN1295156C Equipment and method for separating and filtering particles and biosome from flowing liquid |
| 01/16/2007 | US7163628 First treating with ozone to disrupt cell walls of undesired microorganisms, releasing nutrients from within the microorganisms for bioassimilation by aquatic plants, then ozonating the aquatic plant-treated water again |
| 01/16/2007 | US7163619 Water supply system and multifunctional water supply tank |
| 01/11/2007 | WO2007006058A1 Process for the manufacture of sodium sulphide compounds |
| 01/10/2007 | EP1019325B1 Process for desalination of sea water, having increased product yield and quality |
| 01/10/2007 | CN2856038Y Recovery and utilizing appts, for sewage from oil refining and chemistry |
| 01/10/2007 | CN2856037Y Sewage reclaiming treatment unit |
| 01/10/2007 | CN2856036Y Reclaiming/utilizing unit for acid water from hydrocarbon steam converted by hydrogen preparation unit |
| 01/10/2007 | CN1294090C Sewage treatment method |
| 01/10/2007 | CN1294089C Waste water treating systems |
| 01/09/2007 | US7160472 Applying pulsed electrical signals; conditioning, stabilization, thickening, dehydration |
| 01/09/2007 | US7160470 Method of clarifying industrial laundry wastewater using cationic dispersion polymers and anionic flocculent polymers |
| 01/09/2007 | US7160461 Water purification with catalytic surfaces and microorganisms |
| 01/09/2007 | US7160458 Method for purification of process water from a kerosene desulfurization plant |
| 01/09/2007 | US7160441 Urban runoff water treatment methods and systems |
| 01/09/2007 | US7160430 Electrochemical treatment of ammonia in waste-water |
| 01/03/2007 | EP1737794A1 Method and apparatus for removing contaminants from water |
| 01/03/2007 | CN1890184A Mobile desalination plants and systems, and methods for producing desalinated water |
| 01/03/2007 | CN1887751A Red mud storehouse waste water treating process |
| 01/03/2007 | CN1293001C Wastewater treatment method by membrane bioreactor |
| 01/03/2007 | CN1292999C Efficient ecological waste water treating apparatus and method |
| 01/03/2007 | CN1292998C Method for handling waste water of paper making industry |
| 01/03/2007 | CN1292992C Coagulant, coagulation treatment apparatus, coagulation treatment method, and coagulation treatment apparatus for fluid |
| 01/02/2007 | US7157012 Water treatment device and water treatment method using the same |
| 01/02/2007 | US7157008 adding buffers and conditioners to water, causes precipitation of solids, then removing the precipitated solids, conditioners and buffers for disposal; water treatment; softening hard water |
| 01/02/2007 | US7156999 Methods and apparatus for treating animal manure |
| 12/28/2006 | WO2006137808A1 Contaminated inflow treatment with membrane distillation bioreactor |
| 12/28/2006 | US20060293179 Composition and method for reducing chemical oxygen demand in water |
| 12/28/2006 | US20060293178 Composition and method for reducing chemical oxygen demand in water |
| 12/27/2006 | EP1736439A2 Method and apparatus for concentrating tritiated water |