Mineral oils: processes and products – Tar sand treatment with liquid
Patent
1992-10-23
1994-05-31
Langel, Wayne
Mineral oils: processes and products
Tar sand treatment with liquid
208391, 252 61, 25217421, C10G 104
Patent
active
053166647
ABSTRACT:
A process suitable for operation at a mine site 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, Calcium Lignosulfonate, NaOH and mixtures thereof. The slurry is conditioned and 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 in a short-residence time apparatus 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 John A.
Rimmer Daniel P.
Yildirim Erdal
Canadian Occidental Petroleum Ltd.
Carpenter John Wade
Dunn Jr. Thomas G.
Langel Wayne
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