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).
Source: wiktionary
Deasphalting
Synonyms for "deasphalting"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.