PROBLEM TO BE SOLVED: To provide a sterilization method for demonstrating a high sterilization effect and making the high sterilization effect appear even at an extremely low residual chlorine concentration especially.SOLUTION: In the sterilization of infectious organisms in water utilizing facilities, the sterilization is carried out by making silver ions and copper ions, the silver ions and residual chlorine, the copper ions and the residual chlorine or the silver ions, the copper ions and the residual chlorine coexist.COPYRIGHT: (C)2008,JPO&INPIT【課題】高い殺菌効果が発揮させ、特に極めて低い残留塩素濃度でも高い殺菌効果が発現させる。【解決手段】水利用施設の感染性微生物の殺菌において、銀イオンと銅イオン、銀イオンと残留塩素、銅イオンと残留塩素、あるいは銀イオンと銅イオンと残留塩素を共存させることで殺菌を図る。【選択図】図3
