Last Updated：2025/11/29

Impure dark-coloured sulphuric acid that has been used in the refining of petroleum.

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sludge acid

Source Word

sludge acid

Noun

uncountable

Impure dark-coloured sulphuric acid that has been used in the refining of petroleum.

Japanese Meaning

石油精製に使用される、不純な成分を多く含む暗色の硫酸

The technician carefully neutralized the sludge acid before transferring it to the hazardous waste drum.

技術者は、原油精製で使用された不純で暗色の硫酸を危険廃棄物ドラムに移す前に慎重に中和した。

Sense（1）

Impure dark-coloured sulphuric acid that has been used in the refining of petroleum.