Oil sand extraction process with in-line middlings aeration and

Details Oil sand extraction process with in-line middlings aeration and Oil sand extraction process with in-line middlings aeration and

1993-09-01

1995-10-24

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

208390, 208391, 208425, 261DIG75, C10G 104

Patent

active

054602700

ABSTRACT:
Middlings from the primary separation vessel ("PSV") are recycled through a line to the PSV. The middlings are aerated with fine air bubbles using in line eductor/aerator assemblies. The aerated middlings are mixed as they are pumped through a line back to the PSV. Bitumen recovery from the PSV is increased as a result.

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