In:
AIChE Journal, Wiley, Vol. 66, No. 11 ( 2020-11)
Abstract:
Experiments were performed at both normal and rather extreme Fischer–Tropsch Synthesis (FTS) operating conditions over a typical cobalt‐based catalyst, with the aim of exploring if aspects of the reaction mechanism could be elucidated. The results show that CO reacted when co‐feeding C 2 H 4 with syngas, while CO did not react with H 2 in absence of C 2 H 4 , under extremely low‐temperature conditions (140°C). The adsorbed CO and C 2 H 4 may behave as monomers and initiators, respectively, and react with each other to form long chain hydrocarbons. It suggests that the CC bond coupling precedes the CO bond dissociation, which is consistent with the CO‐insertion mechanism. C 3–6 product distribution with a feed of H 2 /CO/C 2 H 4 at low temperature followed the same trends in terms of normal FTS product distribution. The observed FTS‐type chain growth reaction that occurs at abnormally low temperatures (140°C) when co‐feeding C 2 H 4 may provide new insights into the chemistry of FTS.
Type of Medium:
Online Resource
ISSN:
0001-1541
,
1547-5905
Language:
English
Publisher:
Wiley
Publication Date:
2020
detail.hit.zdb_id:
2020333-0
detail.hit.zdb_id:
240008-X