A new testing system to determine the O2/N2 mixed-gas permeation through hollow-fiber membranes with an oxygen analyzer

Yi Li, Lan Ying Jiang, Tai-Shung Chung*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A new testing system to determine the O2/N2 mixed-gas separation through hollow fiber membranes has been set up in this study. This system consists of an oxygen analyzer and two mass flow meters, with a total cost of less than S$10 000 (approximately US$6 000). Not only can it reduce the expense, but it also may eliminate some problems encountered when using gas chromatography (GC) in the mixed-gas separation. To validate the new system, two types of hollow-fiber membranes were tested. Experimental results show that the separation performance of the mixed gas agrees well with that of pure gas. It is concluded that the newly developed system may provide an economical alternative in determining the permeance and selectivity of hollow-fiber membranes specifically for mixed O2 and N2 separation.

Original languageEnglish (US)
Pages (from-to)871-874
Number of pages4
JournalIndustrial and Engineering Chemistry Research
Volume45
Issue number2
DOIs
StatePublished - Jan 18 2006

ASJC Scopus subject areas

  • Polymers and Plastics
  • Environmental Science(all)
  • Chemical Engineering (miscellaneous)

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