De-asphalted oil

De-asphalted oil

De-asphalted oil, DAO is a crude oil refinery process stream. It is 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.

References

* [http://www.epa.gov/epaoswer/hazwaste/id/studies/study_p3.pdf Study of selected petroleum refining residuals by US EPA]
* [http://www3.interscience.wiley.com/cgi-bin/bookhome/114124025/ Lubricants and Lubrication (Second Edition)]

External links

* [http://www.epa.gov/epaoswer/hazwaste/id/studies/study_p3.pdf Study of selected petroleum refining residuals by US EPA]
* [http://www.fwc.com/publications/tech_papers/oil_gas/Uop_fw~2.pdf Solvent de-asphalting]
* [http://www.jechura.com/ChEN409/06%20SDA.pdf Solvent de-asphalting of vacuum residuum]
* [http://www.gasification.org/Docs/1999_Papers/GTC99270.pdf Asphalt used for gasification]


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