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Abstract
The ability to accurately estimate ozone decay rate through empirical measurement is often fundamental to efficient reactor design and operation in ozone disinfection processes. Variations of ozone decay rates in natural waters and difficulty to estimate them through mechanistic approach highlight the need for reliable methodologies to measure these parameters. In this study, a novel, multi-channel stopped-flow reactor that allows for automatic, continuous analysis of ozone decay kinetics under controlled conditions was developed and verified. Data presented includes instrument design and operation parameter optimization, precision and accuracy verification, and applicability demonstrated with representative synthetic waters.