Modelling of spent shale gasification

Gottschlich D., Desai N. and Do D.D. (1984) Modelling of spent shale gasification. The Chemical Engineering Journal, 29 2: 67-75. doi:10.1016/0300-9467(84)85027-3


Author Gottschlich D.
Desai N.
Do D.D.
Title Modelling of spent shale gasification
Journal name The Chemical Engineering Journal
ISSN 0300-9467
Publication date 1984-01-01
Sub-type Article (original research)
DOI 10.1016/0300-9467(84)85027-3
Volume 29
Issue 2
Start page 67
End page 75
Total pages 9
Subject 2200 Engineering
Abstract A model describing the gasification of a spent shale particle in an atmosphere of steam, hydrogen, carbon monoxide and methane is developed. Both diffusion and reaction rate terms are included. Simulations on spent Australian oil shale show that the external mass transfer coefficient has no effect on the overall gasification rate. Increasing the temperature above 1500 K does not increase the gasification rate significantly. No methane was produced under the conditions of the study. The simulations show that neither the homogeneous reaction model nor the shrinking-core model applies for the expected range of operating conditions. Effects of temperature, pressure, particle size and the ratio of carbon dioxide to steam on the conversion and yield are discussed in this paper.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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