deasphalting

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noun

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

Scrabble 19
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Meanings

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

    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).

    2015, James G. Speight, Fouling in Refineries, →ISBN, page 210
verb
  1. gerundparticiplepresentpresent participle and gerund of deasphalt

Origin

From deasphalt + -ing.

Full word history & related roots →
Cite this entry
APA

deasphalting. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/deasphalting

MLA

“deasphalting.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deasphalting. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “deasphalting,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/deasphalting.

Source: deasphalting on Wiktionary, CC BY-SA 4.0.