Petroleum Engineering Question:

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

A. elimination of solvent drying facility.
B. higher nitration temperature.
C. lower solvent dilution ratio.
D. all (a), (b) & (c).