Recovery of bitumen from tar sands sludge using additional water

Details Recovery of bitumen from tar sands sludge using additional water Recovery of bitumen from tar sands sludge using additional water

1981-06-11

1983-07-12

Hruskoci, Peter A.

Mineral oils: processes and products

Products and compositions

Lubricating oils

210723, 210728, 210738, C10G 100

Patent

active

043929419

ABSTRACT:
A method is disclosed for the recovery of bitumen from a sludge. The sludge is diluted with water and subjected to high-shear agitation and aeration and the sludge settled to obtain an upper bitumen-containing froth layer and a lower sludge layer of reduced bitumen content. The recovery of bitumen is increased over that obtained with aeration and mixing with mild agitation or with aeration alone or with agitation alone.

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patent: 3846276 (1974-11-01), Walker
patent: 3963599 (1976-06-01), Davitt
patent: 4018664 (1977-04-01), Bain et al.
patent: 4018665 (1977-04-01), Anderson
patent: 4096057 (1978-06-01), Porritt et al.

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