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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.
Categories: Chemical engineering | Distillation
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "De-asphalted_oil". A list of authors is available in Wikipedia.|