| 摘要 |
PROBLEM TO BE SOLVED: To obtain a raw sewage deodorizing composition which has excellent deodorizing ability against malodor of nitrogen-containing compounds such as ammonia generated from raw sewage and sulfur-containing compounds such as hydrogen sulfide, methyl mercaptan, and can suppress even corrosion of iron based materials used for a raw sewage treatment facility, or the like. SOLUTION: The raw sewage deodorizing composition contains an antibacterial agent with active halogen atoms and one or two kinds of compounds selected from the groups consisting of organic acids and their salts, and phosphoric acid derivatives and their salts. COPYRIGHT: (C)2006,JPO&NCIPI
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