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Class Information
Number: 210/669
Name: Liquid purification or separation > Processes > Ion exchange or selective sorption > Including diverse separating or treating of liquid > Prior to ion exchange or sorption
Description: Process in which the additional separation or treatment is carried out before contact with an ion exchanger or sorbent.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8709259 (4933 Apr. 29, 2014
8673046 Process for removing and recovering phosphorus from animal waste Mar. 18, 2014
8641903 Method for the preparation of reactive [18] F fluoride Feb. 4, 2014
8629291 Esterification of biodiesel feedstock with solid heterogeneous catalyst Jan. 14, 2014
8591743 Portable system for on-site iodine extraction from an aqueous solution Nov. 26, 2013
8585903 Water purification Nov. 19, 2013
8580038 Process for the recovery of a fermentation product Nov. 12, 2013
8580119 Transesterification of biodiesel feedstock with solid heterogeneous catalyst Nov. 12, 2013
RE44570 Reactive filtration Nov. 5, 2013
8574417 Method for two-step separation of water, salt and particles from a hydraulic fluid Nov. 5, 2013
8557119 High water recovery from desalination systems using ion exchange technology Oct. 15, 2013
8551340 Method for selective sulphate removal by exclusive anion exchange from hard water waste streams Oct. 8, 2013
8545703 Production of glycerin from feedstock Oct. 1, 2013
8545702 Production of biodiesel from feedstock Oct. 1, 2013
8540881 Pretreatment, esterification, and transesterification of biodiesel feedstock Sep. 24, 2013
8540880 Pretreatment of biodiesel feedstock Sep. 24, 2013
8535538 Brine water recycle process Sep. 17, 2013
8491795 Conversion of seawater to drinking water at room temperature Jul. 23, 2013
8480906 Pure water manufacturing method and pure water manufacturing apparatus Jul. 9, 2013
8425768 System and method for wastewater treatment Apr. 23, 2013
8404210 Iron composition based water filtration system for the removal of chemical species containing arsenic and other metal cations and anions Mar. 26, 2013
8361322 Impregnated expanded polytetrafluoroethylene (ePTFE) tubing as a stationary phase Jan. 29, 2013
8329042 Method of treating sludge material using electrokinetics Dec. 11, 2012
8241503 Enhanced high water recovery membrane process Aug. 14, 2012
8158005 Functional composites formed from colloidal polymer particles with photocatalytic metal oxide (MO.sub.x) nanoparticles Apr. 17, 2012
8153782 Reformation of ionic liquids Apr. 10, 2012
8110110 Method for removing organic matter from water and a device for carrying out said method Feb. 7, 2012
8105488 Waste water treatment method Jan. 31, 2012
8080163 Water treatment method Dec. 20, 2011
8043509 Water purification system Oct. 25, 2011
8034246 Wastewater mercury removal process Oct. 11, 2011
8029676 Non-recirculating, self-sanitizing carbon filter system Oct. 4, 2011
7993529 Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water Aug. 9, 2011
7967955 Water treatment method for heavy oil production Jun. 28, 2011
7964411 Membrane based concentrators Jun. 21, 2011
7914677 Water treatment apparatus and water treatment method Mar. 29, 2011
7892436 Compositions and methods for removing arsenic in water Feb. 22, 2011
7820051 Recycling of electrochemical-mechanical planarization (ECMP) slurries/electrolytes Oct. 26, 2010
7815804 Method for treating wastewater or produced water Oct. 19, 2010
7796011 Water treatment apparatus Sep. 14, 2010
7785470 Enhanced water treatment for reclamation of waste fluids and increased efficiency treatment of potable waters Aug. 31, 2010
7776296 Regeneration of ion exchangers that are used for salt removal from acid gas capture plants Aug. 17, 2010
7713421 Sorption method, device, and system May. 11, 2010
7699988 Enhanced water treatment for reclamation of waste fluids and increased efficiency treatment of potable waters Apr. 20, 2010
7678278 Method of treating water with an inorganic powder reagent Mar. 16, 2010
7625351 System, method and apparatus for purifying biological fluids such as blood and constituents thereof Dec. 1, 2009
7601264 Method for treatment of plating solutions Oct. 13, 2009
7591953 Methods and apparatus for continuous large-scale radiolabeling of proteins Sep. 22, 2009
7491335 Removal of arsenic from water with oxidized metal coated pumice Feb. 17, 2009
7491336 Process for treating industrial effluent water with activated media Feb. 17, 2009

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