DEODORANT AND SLUDGE DEODORIZING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a deodorant capable of suppressing the generation of a sulfurous malodorous substance such as hydrogen sulfide, methyl mercaptan or the like generated from sludge or the like over a long time and not exerting any adverse effects on the environment. SOLUTION: The deodorant comprises peroxide and a cyanamide compound such as cyanamide, an alkali metal cyanamide or an alkaline earth metal cyanamide or the like.