Partial oxidation of methane in Permeable Ni tube for effective hydrogen production

Satoshi Fukada, Shigeki Ono

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

To develop an effective way to produce hydrogen continuously by means of partial oxidation of natural gas methane, we experimentally studied a Ni catalytic-permeable-membrane-tube reactor. When a mixture of CH4 and O2 was introduced into a Ni tube, H2 was produced by a partial oxidation reaction and permeated through the Ni-tube reactor to separate from another product of CO. The dependence of the partial oxidation rate on the inlet CH4/O2 molar ratio, temperature, flow rate, and total pressure were determined experimentally. The rate constants of the complete oxidation reaction, the steam-reforming one and the CO2-reforming one were simultaneously determined at temperatures of 400 to 750°C from fitting analytical calculations to experimental ones. Although complete separation between CO and H2 was not achieved within a limited surface area in the present experiment, it was analytically proved that H2 and CO can be effectively separated in a long Ni-tube reactor.

Original languageEnglish
Pages (from-to)73-87
Number of pages15
JournalSeparation Science and Technology
Volume42
Issue number1
DOIs
Publication statusPublished - Jan 1 2007

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Process Chemistry and Technology
  • Filtration and Separation

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