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Reactors, Kinetics, and Catalysis
Overcoming mass-transfer limitations in partial hydrogenation of soybean oil using metal-decorated polymeric membranes
Article first published online: 2 NOV 2010
DOI: 10.1002/aic.12448
Copyright © 2010 American Institute of Chemical Engineers (AIChE)
Additional Information
How to Cite
Singh, D., Pfromm, P. H. and Rezac, M. E. (2011), Overcoming mass-transfer limitations in partial hydrogenation of soybean oil using metal-decorated polymeric membranes. AIChE J., 57: 2450–2457. doi: 10.1002/aic.12448
Publication History
- Issue published online: 3 AUG 2011
- Article first published online: 2 NOV 2010
- Accepted manuscript online: 7 OCT 2010 09:20AM EST
- Manuscript Revised: 5 AUG 2010
- Manuscript Received: 10 MAR 2010
Funded by
- The National Research Initiative of the USDA Cooperative State Research, Education and Extension Service. Grant Number: 2005-35503-153
- Abstract
- Article
- References
- Cited By
Keywords:
- metal-decortaed polymeric membranes;
- membrane reactor;
- trans fatty acids;
- partial hydrogenation
Abstract
The conventional soybean oil hydrogenation process (metal catalyst on solid support particles slurried in oil, H2 bubbled through the oil) is compared with metal-decorated integral-asymmetric polyetherimide (PEI) membranes, as far as changes in temperature and pressure are concerned. Using metal-decorated polymeric membranes, H2 is supplied to the catalytic sites by permeation from the membrane substructure. As opposed to the slurry process, metal-decorated membranes show only slightly increased trans fatty acid (TFA) formation when the temperature is raised (50–90°C) to accelerate the process. This is likely due to the efficient and to some extent self-regulating H2 supply directly to the catalytic sites on the membrane skin. The hydrogenation rate and TFA formation of the metal-decorated membrane process show a minor dependence on pressure. © 2010 American Institute of Chemical Engineers AIChE J, 2011