Microporous hollow fibers for gas absorption. II. Mass transfer across the membrane

Zhang Qi, E. L. Cussler

Research output: Contribution to journalArticlepeer-review

290 Scopus citations

Abstract

Microporous hollow fiber modules offer a larger area per volume between gas and liquid than that commonly encountered in packed towers. This larger area can be sustained at very low flows, where packed towers will not be loaded, and at very high flows, where packed towers will flood. As a result, the modules offer the potential of faster mass transfer. This potential can be compromised by the resistance to mass transfer of the membrane itself, a resistance which is increased if the liquid wets the membrane. The results presented in this two-part series show when the advantage of the increased area is greater than the disadvantage of the membrane resistance. In this part, overall mass transfer coefficients are studied, including resistances in both liquid and membrane, and the performance of hollow fibers is compared with that of packed towers.

Original languageEnglish (US)
Pages (from-to)333-345
Number of pages13
JournalJournal of Membrane Science
Volume23
Issue number3
DOIs
StatePublished - May 1985

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