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Hydrogen separation using Pt-alumina impregnated membrane.

Kajama, Mohammed N.; Nwogu, Ngozi C.; Okon, Edidiong O.; Shehu, Habiba; Orakwe, Ify; Gobina, Edward

Authors

Mohammed N. Kajama

Ngozi C. Nwogu

Edidiong O. Okon

Habiba Shehu

Ify Orakwe

Edward Gobina



Abstract

A tubular commercial mesoporous support was used to prepare a Pt impregnated membrane using the reservoir method and tested for moderate temperature (300 C) gas transport of hydrogen (H2), helium (He) and nitrogen (N2) gas molecules. H2 and N2 gas permeation of 6.1 and 4.5 l/min at 1.0 barg feed pressure and 25 C respectively was obtained from the support. On the other hand, H2 and N2 gas permeation of 4.6 and 1.7 l/min at 1.0 barg feed pressure and 25 C respectively was also obtained from the Pt membrane. Selectivity of H2 over He of 1.96 at 300 C and 1.6 barg for the Pt membrane was obtained and found to be higher than that of the theoretical Knudsen selectivity. Also, a selectivity of H2 over N2 of 2.72 at 25 C and 1.0 barg was obtained and found to be close to that of the theoretical Knudsen selectivity. The gas permeation and the selectivity performance of the membrane were evaluated.

Journal Article Type Article
Publication Date Aug 31, 2016
Journal Energy and power engineering
Print ISSN 1949-243X
Electronic ISSN 1947-3818
Publisher New Publisher Required
Peer Reviewed Peer Reviewed
Volume 7
Issue 9
Pages 412-417
Institution Citation KAJAMA, M.N., NWOGU, N.C., OKON, E.O., SHEHU, H., ORAKWE, I. and GOBINA, E. 2015. Hydrogen separation using Pt-alumina impregnated membrane. Energy and power engineering [online], 7(9), pages 412-417. Available from: https://doi.org/10.4236/epe.2015.79039
DOI https://doi.org/10.4236/epe.2015.79039
Keywords Tubular support; Pt membrane; Hydrogen selectivity; Permeation temperature

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