| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas sterilizing system which reduce a discharge amount of a sterilizing gas from a sterilization tank and which can reduce in size a sterilizing gas treating apparatus. SOLUTION: In the gas sterilizing system 1 which executes a sterilizing work and an aeration work in the sterilization tank 2, the concentration of the sterilizing gas to be supplied into the tank 2 is reduced based on the relation of the necessary time of between the sterilizing work and the aeration work. |
