Igawa, Manabu and Fukushi, Yasuko and Hayashita, Takashi and Hoffmann, Michael R. (1990) Selective transport of aldehydes across an anion-exchange membrane via the formation of bisulfite adducts. Industrial & Engineering Chemistry Research, 29 (5). pp. 857-861. ISSN 0888-5885. https://resolver.caltech.edu/CaltechAUTHORS:20150813-105955756
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Abstract
Organic nonelectrolytes can be selectively transported through an ion-exchange membrane if they are specifically converted to electrolytes in the membrane. Aldehydes react with bisulfite to form hydroxyalkanesulfonates (HASA), which are the conjugate bases of strong acids. Aldehydes are shown to be transported efficiently across an anion-exchange membrane via the coupled counter-transport of HMSA ion with hydroxide ion and the relay of an aldehyde from one membrane-bound bisulfite ion to another. Permeation rates are in the order of formaldehyde > acetaldehyde > acetone; this relationship parallels the relative order of the stability constants for formation of the respective adducts with bisulfite ion. Aldehydes can be separated readily from other organic solutes by this method.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1990 American Chemical Society. Received for review June 21, 1989. Accepted January 19, 1990. Publication Date: May 1990. | |||||||||
| Issue or Number: | 5 | |||||||||
| Record Number: | CaltechAUTHORS:20150813-105955756 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150813-105955756 | |||||||||
| Official Citation: | Selective transport of aldehydes across an anion-exchange membrane via the formation of bisulfite adducts Manabu Igawa, Yasuko Fukushi, Takashi Hayashita, and Michael R. Hoffmann Industrial & Engineering Chemistry Research 1990 29 (5), 857-861 DOI: 10.1021/ie00101a021 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 59493 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 13 Aug 2015 19:18 | |||||||||
| Last Modified: | 03 Mar 2020 13:01 |
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