DE-ASPHALTED OIL


De-asphalted oil, DAO is a crude oil refinery process stream. It is the the main stream out of a de-asphalter unit in a crude oil refinery. The other stream out from the de-asphalter is the asphalt. The de-asphalter unit is usually a solvent de-asphalter unit.

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References
External links

References



Study of selected petroleum refining residuals by US EPA

Lubricants and Lubrication (Second Edition)

External links



Study of selected petroleum refining residuals by US EPA

Solvent de-asphalting

Solvent de-asphalting of vacuum residuum

Asphalt used for gasification

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