DEODORANT FOR SLUDGE DEHYDRATE CAKE AND DEODORIZING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a deodorant and a deodorizing method capable of reusing a dehydrate cake, and which are excellent in fast-acting nature and persistence of deodorizing effect and dehydrate method. SOLUTION: A suspension compounding (1) a nitrite solution and (2) a putrefaction depressor containing no heavy metal nor chlorine is used as the deodorant for a one-pack type sludge dehydrate cake.