Membranes for separation of higher hydrocarbons from methane

J. Schultz*, Klaus-Victor Georg Peinemann

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

112 Scopus citations

Abstract

In the search for a membrane material capable of separating higher hydrocarbons from methane about 40 different polymers were tested. The most promising two, polyoctylmethylsiloxane (POMS) and polytrimethylsilylpropyne (PTMSP), are compared in this article to the standard material polydimethylsiloxane (PDMS). The transport properties were investigated dependent on the process parameters temperature, feed pressure and feed composition under mixed gas conditions. It was possible to improve the separation performance by means of the selectivity from 5 to > 12 at acceptable fluxes.

Original languageEnglish (US)
Pages (from-to)37-45
Number of pages9
JournalJournal of Membrane Science
Volume110
Issue number1
DOIs
StatePublished - Feb 7 1996

Keywords

  • Dew pointing
  • Gas separation
  • Mixed gas selectivity
  • Natural gas
  • Polyoctylmethylsiloxane
  • Polytrimethylsilylpropyne

ASJC Scopus subject areas

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

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