Kinetics of Organic Matter Removal in a Chemical Sequential Reactor (CSR)

Abstract
The Chemical Sequential Reactor (CSR) can be considered as an advanced oxidation process able to treat wastewaters with ozone. Its operation involves a succession of acidic and alkaline pH conditions throughout continuous ozonation. The two oxidation mechanisms (direct reaction of molecular ozone and hydroxyl free radical reactions], coupled with carbon dioxide stripping, increase removal rates and ozone efficiency. Ozone efficiency is also maintained for longer periods.