The terminology used for the bottom most product from the vacuum crude distillation unit is______________?
Correct answer: B. Residuum
- A. Residual crude
- B. Residuum
- C. Reduced crude
- D. Petrolatum
Explanation
The heavy bottom product from a vacuum crude distillation unit is called vacuum residuum, commonly shortened to residuum. Reduced crude usually refers to the atmospheric-distillation residue before vacuum processing.
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