Removal of ______________ exemplifies an adsorption unit operation?
Correct answer: D. Water from petrol
- A. Uranium from its ore
- B. Mustard oil from mustard seed
- C. Ammonia from coke oven gas
- D. Water from petrol
Explanation
Water can be removed from petrol by adsorption on materials such as silica gel or molecular sieves. Ammonia removal from coke-oven gas is normally absorption, while uranium recovery and mustard-oil production involve other operations.
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