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Class Information
Number: 568/917
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Acyclic > Purification or recovery > By sorption
Description: Processes wherein the separation is made by adsorption or absorption.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8704016 SMB process for the purification of ethanol and butanediol with integrated regeneration Apr. 22, 2014
8658845 Process and adsorbent for separating ethanol and associated oxygenates from a biofermentation system Feb. 25, 2014
8628643 Process to remove product alcohol from a fermentation by vaporization under vacuum Jan. 14, 2014
8580038 Process for the recovery of a fermentation product Nov. 12, 2013
8574406 Process to remove product alcohol from a fermentation by vaporization under vacuum Nov. 5, 2013
8546620 Ethylene glycol removal of residual glycol impurities Oct. 1, 2013
8263815 Membrane augmented distillation to separate solvents from water Sep. 11, 2012
8128787 Membrane-augmented distillation with pressure change to separate solvents from water Mar. 6, 2012
8080139 Method of anhydrous ethanol production using circulation by multiple towers alternation Dec. 20, 2011
8052847 System and method for removing moisture from liquid desiccant Nov. 8, 2011
7994370 Method for depletion of sulfur and/or compounds containing sulfur from a biochemically produced organic compound Aug. 9, 2011
7514588 Purification of organic solvents Apr. 7, 2009
7504546 Apparatus and method for the removal of water from ethanol Mar. 17, 2009
7473808 Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process Jan. 6, 2009
7462749 Process for the extraction of ethanol from a water solution Dec. 9, 2008
7399892 Process for dewatering ethanol Jul. 15, 2008
7365219 Solid phase extraction method for obtaining high-purity unsaturated compounds or derivatives of said compounds Apr. 29, 2008
7332092 Method of separating E and Z isomers of an alkene alcohol and derivatives thereof Feb. 19, 2008
7211703 Method of separating E and Z isomers of an alkene alcohol and derivatives thereof May. 1, 2007
6770790 Purification of tertiary butyl alcohol Aug. 3, 2004
6596909 Adsorption of aldehyde with adsorbent containing zeolite Jul. 22, 2003
6563010 Adsorbent bed loading and regeneration May. 13, 2003
6417412 Purification of tertiary butyl alcohol Jul. 9, 2002
5773634 Tertiary butyl alcohol absorption process for recovering propylene and isobutane Jun. 30, 1998
5571387 Continuous single vessel distillation and adsorption process Nov. 5, 1996
5455368 Process for separating off methanol from a mixture of dimethyl carbonate and methanol Oct. 3, 1995
5256173 Process for removing light alcohols from gas streams Oct. 26, 1993
5196603 Process for decomposing peroxide impurities in a teritary butyl alcohol feedstock using an iron (II) compound Mar. 23, 1993
5151190 Method for separating a liquid mixture Sep. 29, 1992
5132020 Sorption of alcohols using zeolite beta Jul. 21, 1992
5124492 Process for decomposing peroxide impurities in a tertiary butyl alcohol feedstock using an iron (II) compound Jun. 23, 1992
5082980 Process and apparatus for synthesizing oxygen-15 labelled butanol for positron emission tomography Jan. 21, 1992
5030775 Process for preparing motor fuel grade alcohol Jul. 9, 1991
4760204 Process for deodorizing isopropyl alcohol Jul. 26, 1988
4716218 Grain extraction milling Dec. 29, 1987
4709106 Process for deodorizing isopropyl alcohol Nov. 24, 1987
4696720 Removal of water from aqueous alcohol mixtures Sep. 29, 1987
4647406 2-ethyl-2-prenyl-3-hexenol its preparation and use as a fragrant Mar. 3, 1987
4612405 Continuous sorption process Sep. 16, 1986
4588847 Process for separation of ethylene glycol and propylene glycol on selected zeolites May. 13, 1986
4543432 Separation of isopropyl alcohol from tertiary butyl alcohol by selective adsorption Sep. 24, 1985
4504688 Process for the preparation of pure alkyl tert-alkyl ethers and hydrocarbon raffinates which are largely free from isoolefins and from alkanols Mar. 12, 1985
4492808 Method for separating ethanol from an ethanol containing solution Jan. 8, 1985
4487614 Adsorption separation cycle Dec. 11, 1984
4486353 Process of extracting vegetable oil and fat Dec. 4, 1984
4482768 Separation of alkanols from aqueous reaction solutions Nov. 13, 1984
4465875 Process for dehydrating ethanol Aug. 14, 1984
4465870 Etherification process with sorptive treating of hydrocarbon recycle stream Aug. 14, 1984
4453020 Process for purifying the methanol employed in the preparation of formaldehyde Jun. 5, 1984
4450294 Process for recovering oxygenated organic compounds from dilute aqueous solutions employing solid sorbent May. 22, 1984

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