Limitations on the Use of Selective Catalytic Reduction/Selective Noncatalytic Reduction for Nitrogen Oxide Control on Bark and Combination Bark Boilers, Kraft Recovery Furnaces, and Lime Kilns (WP-24-08)

EXECUTIVE SUMMARY The forest products industry receives repeated requests from regulatory agencies to demonstrate why the use of selective noncatalytic reduction and selective catalytic reduction technologies, the two most dominant post-combustion nitrogen oxide control technologies applied to most combustion systems producing oxides of nitrogen today, cannot be applied to forest…