In benzoyl scrubber crude benzoyl gas is scrubbed with wash oil in the benzoyl recovery section. Benzoyl crude oil goes to benzoyl recovery section where benzoyl is removed and the wash oil after treatment is sent to the scrubbers. Crude Benzoyl thus recovered goes to benzoyl rectification plant. BTX, solvents, still bottom residue. Benzoyl after washing and neutralization with caustic soda is send to benzoyl column for fractionating into different fraction.