Process for the oil extraction from oil sand by using cyclodextr

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

Patent

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208 8LE, C10G 100

Patent

active

044433239

ABSTRACT:
Process for the oil extraction from oil sand comprising: mixing oil sand, cyclodextrin, a hydrocarbon solvent, a flocculating agent and water with one another to prepare a suspension, leaving the suspension to stand or centrifuging it to separate into an oil, a water and a sand layer, and then collecting the oil layer.

REFERENCES:
patent: 4255249 (1981-03-01), Shibanai et al.

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