Liu, Shaomin and Gavalas, George R. (2005) Oxygen selective ceramic hollow fiber membranes. Journal of Membrane Science, 246 (1). pp. 103-108. ISSN 0376-7388. doi:10.1016/j.memsci.2004.09.028. https://resolver.caltech.edu/CaltechAUTHORS:20151006-150210599
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Abstract
Oxygen ion conducting Ba_(0.5)Sr_(0.5)Co_(0.8)Fe_(0.2)O_(3−δ) hollow fiber membranes with o.d. 1.15 mm and i.d. 0.71 mm were fabricated using a sequence of extrusion, gelation, coating and sintering steps. The starting ceramic powder was synthesized by combined EDTA–citrate complexing followed by thermal treatment at 900 °C. The powder was then dispersed in a polymer solution, and extruded through a spinerette. After gelation, an additional thin coating of the ceramic powder was applied on the fiber, and sintering was carried out at 1190 °C to obtain the final ceramic membrane. The fibers were characterized by SEM, and tested for air separation at ambient pressure and at temperatures between 700 and 950 °C. The maximum oxygen flux measured was 5.1 mL/min/cm^2 at 950 °C.
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| Additional Information: | © 2004 Elsevier. Received 22 June 2004; received in revised form 9 September 2004; accepted 15 September 2004; Available online 19 November 2004. The authors gratefully acknowledge the support provided by the Petroleum Research Fund of the American Chemical Society, Grant No. 38162-AC5. | |||||||||
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| Subject Keywords: | Hollow fiber; Inorganic membrane; Ba_(0.5)Sr_(0.5)Co_(0.8)Fe_(0.2)O_(3−δ); Perovskite; Oxygen separation | |||||||||
| Issue or Number: | 1 | |||||||||
| DOI: | 10.1016/j.memsci.2004.09.028 | |||||||||
| Record Number: | CaltechAUTHORS:20151006-150210599 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151006-150210599 | |||||||||
| Official Citation: | Shaomin Liu, George R. Gavalas, Oxygen selective ceramic hollow fiber membranes, Journal of Membrane Science, Volume 246, Issue 1, 1 January 2005, Pages 103-108, ISSN 0376-7388, http://dx.doi.org/10.1016/j.memsci.2004.09.028. (http://www.sciencedirect.com/science/article/pii/S0376738804006416) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 60818 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 07 Oct 2015 14:01 | |||||||||
| Last Modified: | 10 Nov 2021 22:39 |
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