Separation behavior of steam from hydrogen and methanol through mordenite membrane

Ken Ichi Sawamura, Tsutomu Shirai, Tetsu Ohsuna, Takayuki Hagino, Mitsuko Takada, Yasushi Sekine, Eiichi Kikuchi, Masahiko Matsukata

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A mordenite membrane was prepared on the outer surface of a porous α-alumina tubular support by a secondary-growth method. Permeation tests for water/methanol/hydrogen mixtures were performed at 423 and 473 K. A mordenite membrane free from non-zeolitic pores allowed us selective permeation of steam and blocked the permeation of hydrogen and methanol. In order to elucidate the mechanism of such selective permeation behavior, adsorption, permeation, and structural properties of the mordenite membrane were discussed. As a result, it was considered that selective permeation of steam against hydrogen was based on its preferential adsorption of steam, while boundaries between mordenite crystals in the membrane may play a key role for inhibiting the permeation of methanol.

Original languageEnglish
Pages (from-to)870-877
Number of pages8
JournalJOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Volume41
Issue number9
DOIs
Publication statusPublished - 2008 Nov 28

Keywords

  • Mordenite
  • Separation
  • Zeolite membrane

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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