Mineral oils: processes and products – Tar sand treatment with liquid
Patent
1991-10-24
1994-08-23
Breneman, R. Bruce
Mineral oils: processes and products
Tar sand treatment with liquid
208391, 252 61, 25217421, C10G 104
Patent
active
053404670
ABSTRACT:
A process for recovering a hydrocarbon from a hydrocarbon bearing sand comprising the steps of mixing a chemical additive with a chemical composition and with a hydrocarbon bearing sand containing hydrocarbon and residual solids including clay, at a temperature to form a slurry. The chemical composition comprises an aqueous phase and a minor amount of a chemical agent selected from the group consisting of at least one ethoxylated alkylphenol compound, at least one ethoxylated dialkylphenol compound, MIBC, SC-177, Petronate HL, Clacium Lignosulfonate and mixtures thereof. The slurry is aerated to produce essentially sludge-free tailings and a mixture of hydrocarbon, aqueous phase and residual solids including clay. The process further comprises the step of separating the mixture of the hydrocarbon, the aqueous phase and the residual solids including clay from the essentially sludge-free tailings.
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Gregoli Armand A.
Hamshar, 3rd John A.
Olah Andrew M.
Rimmer Daniel P.
Yildirim Erdal
Breneman R. Bruce
Canadian Occidental Petroleum Ltd.
Carpenter John W.
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