同©大学 Tongji University Ozone properties Unstable:readily decompose,only produced onsite Blue gas with distinct odor Toxic and explosive(20%weight in air Strong oxidizing power Produce no residuals of secondary pollutionTongji University Ozone properties  Unstable: readily decompose, only produced onsite  Blue gas with distinct odor  Toxic and explosive (20% weight in air )  Strong oxidizing power  Produce no residuals of secondary pollution