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dc.contributor.authorWang, M.
dc.contributor.authorSong, J.
dc.contributor.authorLi, Y.
dc.contributor.authorTan, X.
dc.contributor.authorChu, Y.
dc.contributor.authorLiu, Shaomin
dc.identifier.citationWang, M. and Song, J. and Li, Y. and Tan, X. and Chu, Y. and Liu, S. 2017. Hydrogen separation at elevated temperatures using metallic nickel hollow fiber membranes. AIChEJournal.

Nickel is a cheaper metallic material compared to palladium membranes for H2 separation. In this work, metallic Ni hollow fiber membranes were fabricated by a combined phase inversion and atmospheric sintering method. The morphology and membrane thickness of the hollow fibers was tuned by varying the spinning parameters like bore liquid flow rate and air gap distance. H2 permeation through the Ni hollow fibers with N2 as the sweep gas was measured under various operating conditions. A rigorous model considering temperature profiles was developed to fit the experimental data. The results show that the hydrogen permeation flux can be well described by using the Sieverts' equation, implying that the membrane bulk diffusion is still the rate-limiting step. The hydrogen separation rate in the Ni hollow fiber module can be improved by 4-8% when switching the co-current flow to the countercurrent flow operation.

dc.publisherJohn Wiley & Sons, Inc.
dc.titleHydrogen separation at elevated temperatures using metallic nickel hollow fiber membranes
dc.typeJournal Article
dcterms.source.titleAIChE Journal
curtin.departmentDepartment of Chemical Engineering
curtin.accessStatusFulltext not available

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