Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
Correct answer: A. Electrolysis of water
- A. Electrolysis of water
- B. Steam reforming of naphtha
- C. Cracking of natural gas
- D. H2 separation from coke oven gas
Explanation
Electrolysis consumes large amounts of electrical energy to split water, making hydrogen much more expensive than hydrogen recovered from coke-oven gas or produced by hydrocarbon reforming.
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