Method of regenerating honeycomb type SCR catalyst by air lift loop reactor

摘要

Provided is a method of regenerating a honeycomb type SCR catalyst which is used in selective catalytic reduction (SCR), comprising treating a waste honeycomb type SCR catalyst used in an industrial boiler with a mixed solution containing 0.1 M to 1.0 M H₂SO₄, 0.005 M to 0.1 M NH₄VO₃ and 0.005 M to 0.1 M 5(NH₄)₂O.12WO₃.5H₂O in an air lift loop reactor.