A trends in Ozone Treatment of Wastewater: a Review
Iraqi Journal of Oil and Gas Research (IJOGR),
2022, Volume 2, Issue 1, Pages 55-64
AbstractIn recent years, great efforts have been done by the scientific community to develop many green chemical processes to treat water and wastewater effluent. Taking into consideration these new approaches, a new environmentally friendly techniques are giving special attention such as ozonization. Molecular ozone, or tri-oxygen, can be considered as an inorganic molecule with the chemical formula of O3. Ozone is a pale blue gas having pungent smell and far less stable molecule than the molecular O2, decaying in the lower atmosphere to free O2 gas. Ozone is an efficient gas for killing bacteria and eliminating endotoxins and biofilm, with effectiveness being dependent on concentration and operating time. In addition, because the ozone is a strong oxidant, suitably compatible materials ought to be adopted. Moreover, the manufacture of ozone should always be supervised and its level checked occasionally in the surrounding environment to keep a pollution air standard of less than 0.1 ppm. In this paper, essentials and practical features dealing with ozonization system and its utilization are presented and discussed.
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