Process aid addition in hot water process based on feed fines co

Mineral oils: processes and products – Products and compositions – Lubricating oils

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208DIG1, C10G 104

Patent

active

042016568

ABSTRACT:
To optimize recovery by the hot water process of hydrocarbons from bituminous sands, an alkaline process aid (e.g. NaOH) is commonly added to the conditioning step. In accordance with this invention, the quantity of process aid added is varied in response to the fines content of the incoming bituminous sands feed.

REFERENCES:
patent: 3401110 (1968-09-01), Floyd et al.
patent: 4105537 (1978-08-01), McZuitty
patent: 4107029 (1978-08-01), Lorenz

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