The tar content of the product gas in the downdraft gasifier is ______ updraft gasifier.

Correct option is B

· Gasification Process:
· Downdraft Gasifier:
· Gas flows downward, and tar is partially combusted during the process.
· Produces less tar in the product gas compared to an updraft gasifier.
· Updraft Gasifier:
· Gas flows upward, carrying a higher tar content as there is no intermediate combustion zone.