| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing an aqueous solution containing a chlorous acid for use as a disinfectant that produces a chlorous acid being safe to human body and easy to be handled with less generation of chlorine dioxide as a disinfectant for pretreatment of food processing.SOLUTION: The method for producing an aqueous solution containing a chlorous acid for use as a disinfectant produces a chlorous acid which is safe to human body and easy to be handled with less generation of chlorine dioxide as a disinfectant for pretreatment in food processing. A chloric acid is generated by adding, to an aqueous solution of sodium chlorate, a sulfuric acid or an aqueous solution thereof in an amount and of a concentration sufficient to maintain the pH value of the aqueous solution of sodium chlorate within 2.3 to 3.4 and reacting them, and then adding, to the chloric acid, hydrogen peroxide in an amount equal to or more than the amount required for reductive reaction to produce a chlorous acid. |
