Last Updated：2025/11/22

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

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

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deasphalting

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Source Word

deasphalting

uncountable

Japanese Meaning

原油や類似物質から、特に溶剤抽出法などを用いてアスファルト成分を除去・低減する工程 / 粗油中のアスファルト含有物を取り除く処理プロセス

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The company boosted fuel yields by installing a deasphalting system that separates heavy asphalt components using a solvent.

Google Translation / DeepL Translation

その会社は溶媒を用いて重いアスファルテン成分を分離するアスファルテン除去システムを導入して燃料収率を高めた。

Sense（1）

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).

Google Translation / DeepL Translation

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