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Catalytic hydroretorting of eastern US oil shales: CHESS process

โœ Scribed by M.J. Roberts; D.M. Rue

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
878 KB
Volume
74
Category
Article
ISSN
0016-2361

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โœฆ Synopsis

Laboratory tests of the CHESS process were conducted using beneficiated Alabama oil shale and regenerable catalysts at 500ยฐC and 7 MPa with 20min shale residence time. Product oil sulfur and nitrogen contents were reduced by up to 98 and 74% respectively, compared with uncatalysed pressurized fluidized-bed hydroretorting (PFH). Operation with the catalysts reduced the density of the oil by 10% to 0.909 g cme3 while still achieving 200% Fischer assay oil yield.

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