Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has_________________?
Correct answer: A. Neither A. nor B.
- A. Neither A. nor B.
- B. Lower hydrogen content
- C. Both A. and B.
- D. Higher calorific value
Explanation
High-temperature carbonisation produces gas with more hydrogen and fewer heavy hydrocarbons, so its calorific value is generally lower than low-temperature carbonisation gas. Thus it has neither a higher calorific value nor a lower hydrogen content.
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