3162. A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having

Higher methane content and thus higher calorific value
Higher carbon monoxide content
Lower carbon dioxide content
None of these
✅ The correct answer is option A.

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