deasphalting

English

Etymology

deasphalt +‎ -ing

Noun

deasphalting (uncountable)

1. A process in which the asphalt content of crude oil (or similar materials) is removed or reduced, especially by solvent extraction.
   • 2015, James G. Speight, Fouling in Refineries, →ISBN, page 210:

     Propane (or sometimes propane/butane mixtures) is extensively used for deasphalting and produces a deasphalted oil (DAO) and deasphalter bottoms (propane deasphalter asphalt, PDA, PD tar) (Dunning and Moore, 1957).

Verb

deasphalting

1. present participle and gerund of deasphalt

Related terms

• deasphalted
• deasphalter