Which of the following coal gasification processes will produce gas having maximum methane content ?
Correct answer: C. Lurgi process
- A. Winkler process
- B. Kopper-Totzek process
- C. Lurgi process
- D. All can produce same methane content
Explanation
The Lurgi gasifier operates under pressure and produces relatively methane-rich gas because methanation is favoured by high pressure and comparatively low temperature. Winkler and Kopper-Totzek gasifiers generally produce gas with much less methane.
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