Lurgi coal gasifier is a pressurised ______________ bed reactor?
Correct answer: B. Moving
- A. Fixed
- B. Moving
- C. Fluidised
- D. Entrained
Explanation
The Lurgi gasifier operates as a pressurised moving-bed, also called a fixed-bed or dry-bottom, gasifier in which coal descends while gasifying agents rise. Fluidised- and entrained-bed designs are associated with other gasifier types.
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