The name “downdraft” refers to the direction of the oxygen or steam flow through the fixed bed of carbon. Downdraft gasifiers use higher temperatures and result in a product with less tar content than in Updraft gasifiers1.
Downdraft
The name “downdraft” refers to the direction of the oxygen or steam flow through the fixed bed of carbon. Downdraft gasifiers use higher temperatures and result in a product with less tar content than in Updraft gasifiers1.