Recovery of bitumen from oilsands: gelation of ultra-fine clay in the primary separation vessel

The bulk of bitumen recovery from oilsands takes place via a flotation/settling process in the primary separation vessel (PSV). Under certain conditions, some oilsands slurries become non-segregating, i.e. both fines and coarse solids remain in suspension and little or no bitumen froth is generated....

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Bibliographic Details
Published in:Fuel (Guildford) 2005-04, Vol.84 (6), p.653-660
Main Authors: Tu, Y., O'Carroll, J.B., Kotlyar, L.S., Sparks, B.D., Ng, S., Chung, K.H., Cuddy, G.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fuels
NMR of clay suspensions
Oilsands
Primary separation vessel
Ultra-fines
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Summary:The bulk of bitumen recovery from oilsands takes place via a flotation/settling process in the primary separation vessel (PSV). Under certain conditions, some oilsands slurries become non-segregating, i.e. both fines and coarse solids remain in suspension and little or no bitumen froth is generated. An ultra-fine (
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2004.03.020