The main function of primary air in pulverised coal fired burner is to_________________?

A. Dry and transport the coal

B. Have proper combustion by supplying it around the burner

C. Preheat the tertiary air used for complete combustion of CO to CO2

D. Burn CO to CO2

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.