A process in which the asphalt content of crude oil (or similar materials) is removed or reduced, especially by solvent extraction.

present participle of deasphalt

Describing a material whose asphalt content has been removed or reduced

simple past tense and past participle of deasphalt

Third-person singular simple present indicative form of deasphalt

deasphalting

(transitive) To subject to a deasphalting process.

plural of deasphalter

A unit in a crude oil refinery or bitumen upgrader that separates out the asphalt from crude oil or bitumen.

A mixture of tar and asphalt that is produced as a byproduct of the deasphalting process.