B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 37/18 (2006.01) B01J 23/78 (2006.01) B01J 27/22 (2006.01) C07C 1/04 (2006.01) C10G 2/00 (2006.01)
Patent
CA 2657545
A method for transforming at least a part of the catalyst precursor hematite into .chi.- carbide (Fe5C2) and .epsilon.'-carbide (FeC2-2) without a large amount of fines generation. This method slows the transformation of the hematite to iron carbides by reducing the partial pressure of the synthesis gas by inert gas dilution. The activation time is about three to about five hours.
L'invention concerne un procédé de transformation d'au moins une partie du précurseur catalytique de l'hématite en .chi.- carbure (Fe5C2) et .epsilon.'-carbure (FeC2-2) sans utilisation d'une grande quantité de production de fines. Ce procédé ralentit la transformation de l'hématite en carbures de fer en réduisant la pression partielle du gaz de synthèse par dilution du gaz inerte. Le temps d'activation est compris entre environ trois et cinq heures.
Bohn Mark S.
Philipp Elijah C.
Yakobson Dennis L.
Rentech Inc.
Ridout & Maybee Llp
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