Effect of catalyst pore and pellet sizes on deactivation in SRC oil hydrotreatment

A reaction‐deactivation model based on experimental observations was used to predict catalyst life for hydrotreating a solvent‐refined coal oil. The model coordinates catalyst pore and pellet sizes to the quantity of carbonaceous material deposited. The results show that for a parallel fouling mecha...

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Bibliographic Details
Published in:AIChE journal 1986-02, Vol.32 (2), p.224-232
Main Authors: Chang, Hong Ju, Crynes, B. L.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Exact sciences and technology
Fuel processing. Carbochemistry and petrochemistry
Fuels
Other techniques and industries
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Summary:A reaction‐deactivation model based on experimental observations was used to predict catalyst life for hydrotreating a solvent‐refined coal oil. The model coordinates catalyst pore and pellet sizes to the quantity of carbonaceous material deposited. The results show that for a parallel fouling mechanism, a larger pore size and/or smaller pellet size catalyst tends to have a longer life as well as higher activity. The model also shows that deactivation due to coke deposition approaches a limit.
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.690320208