Which of the following is used as a solvent in deasphalting of petroleum products ?
Correct answer: B. Propane
- A. Furfural
- B. Propane
- C. Methyl ethyl ketone
- D. Liquid sulphur dioxide
Explanation
Propane dissolves the oil fractions while leaving asphaltic materials largely insoluble, so it is used in solvent deasphalting. Furfural is mainly used for lube-oil extraction, methyl ethyl ketone for dewaxing, and liquid sulphur dioxide for selective extraction.
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