Petroleum Refinery Engineering
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the

Elimination of solvent drying facility
Lower solvent dilution ratio
All of these
Higher nitration temperature

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Petroleum Refinery Engineering
Polymerisation

Causes olefins to combine with each other
Produces i-octane from cracked gases containing i-butane and butene
Is aimed at producing lubricating oil
Causes aromatics to combine with each other

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