化学消毒剂通过本身细胞毒性而杀菌。其中,有的为强变应原(allergens),有的引起极度缓慢的生物降解,有的则可与污水中物质反应产生潜在毒性和(或)不能很好生物降解的物质。因此,只有必须时方可使用。人们一直在考虑,清洁处理是否是唯一可将其取代的安全方法。如果不是这样, Chemical disinfectants are sterilized by their own cytotoxicity. Some of them are allergens, some cause very slow biodegradation, while others react with sewage substances to produce potentially toxic and / or poorly biodegradable substances. Therefore, use it only when necessary. People are always thinking about whether cleaning is the only safe way to replace it. if not like this,