Ozone water concentration measure continuously manner and operation control manner and the device null in its device and the electrolytic type ozone water production

摘要

PROBLEM TO BE SOLVED: To provide an ozone water concentration measuring technology having a simple structure.;SOLUTION: In this ozone water concentration continuous measuring method, ozone water is made to flow continuously into a measuring cell 3, and simultaneously an ultraviolet ray is transmitted, and the ozone water concentration is measured based on the ultraviolet ray absorption quantity by ozone. In the method, just before manufacturing operation of ozone water by an ozone water manufacturing device 10, only raw water is made to flow into the device, and the ultraviolet ray absorption quantity of the raw water including no ozone substantially supplied to the measuring cell 3 is measured, and the obtained ozone water concentration is memorized as a zero value, and after start of ozone water manufacturing operation, the ozone water concentration is measured by using the zero value as the standard.;COPYRIGHT: (C)2001,JPO