Influence of low CO concentration on catalysed carbon deposition on 20Cr25Ni steel in CO2 environments containing ethene

Research output: Contribution to journalArticle

  • External authors:
  • R Ding
  • M.P. Taylor
  • H.E. Evans
  • C.W. Mowforth
  • N. Smith
  • Y.L. Chiu

Abstract

Carbon deposition on 20Cr25Ni steel at 700 °C has been investigated in CO2-based gases containing 0.7 vol%, 1.0 vol% and 1.4 vol% CO, each with ∼1000vpm C2H4, at 700 °C. Filamentary carbon deposits were formed at the two lowest CO contents but not at 1.4 vol% CO. TEM analyses have shown that the different CO levels change
the propensity for deposition by altering the ratio of Ni:Fe in the nanometre sized catalytic particles produced during oxidation.

Bibliographical metadata

Original languageEnglish
JournalCorros. Sci.
Volume143
Publication statusAccepted/In press - 7 Aug 2018