Ozonation of Odorous Air in Wastewater Treatment Plants

Abstract

This study was conducted to evaluate the effects of gas scrubbing techniques for the elimination of odorous compounds in wastewater treatment plants. A pilot plant was installed and operated at Tuzla Wastewater Treatment Plant in Istanbul, Turkey for this purpose. Gas scrubbing experiments conducted using water, ozonated water, caustic and ozone injected caustic revealed different removal efficiencies. The highest and reliable hydrogen sulfide removal efficiencies were obtained in the ozone oxidation experiments.