Development of a Very Narrow Discharge Gap Ozone Generator

Generation of High Concentration Ozone up to 20 wt% for Pulp Bleaching

Abstract

We have developed a novel ozone generator which can produce high concentration ozone up to 300 g/Nm³ (20 wt%). The ozone production efficiency is significantly improved in comparison with a conventional ozone generator ; the energy consumption is 10 kWh/kgO₃ at a ozone concetration of 240 g/Nm³ (16 wt%) In addition, the novel ozone generator is much smaller in size. The development of the novel ozone generator is expected to extend ozone applications for various purposes, such as pulp bleaching.