A Competitive Study Using UV and Ozone with H2O2 in Treatment of Oily Wastewater

Main Article Content

Ban Jasim
https://orcid.org/0000-0002-7640-5800
Mustafa Al-Furaiji
https://orcid.org/0000-0002-7373-9370
Ali Sekran
https://orcid.org/0000-0002-1642-9229
Waleed Abdullah
https://orcid.org/0000-0001-5772-8906

Abstract

          In this study, ultraviolet (UV), ozone techniques with hydrogen peroxide oxidant were used to treat the wastewater which is produced from South Baghdad Power Station using lab-scale system. From UV-H2O2 experiments, it was shown that the optimum exposure time was 80 min. At this time, the highest removal percentages of oil, COD, and TOC were 84.69 %, 56.33 % and 50 % respectively. Effect of pH on the contaminants removing was studied in the range of (2-12). The best oil, COD, and TOC removal percentages (69.38 %, 70 % and 52 %) using H2O2/UV were at pH=12. H2O2/ozone experiments exhibited better performance compared to the H2O2/UV experiments. The results showed that 20 min was the best exposure time with removal percentages of 89.79 %, 83.33 % and 70% for oil, COD and TOC, respectively, and the optimum value of pH was at pH=8, where the pollutants removal percentages (i.e. 74.48 %, 80 % and 73.33 % respectively for the same previous pollutants). H2O2/ozone experiments showed better removal efficiency than the H2O2/UV experiments.

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1.
A Competitive Study Using UV and Ozone with H2O2 in Treatment of Oily Wastewater. Baghdad Sci.J [Internet]. 2020 Dec. 1 [cited 2024 Mar. 30];17(4):1177. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4370
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How to Cite

1.
A Competitive Study Using UV and Ozone with H2O2 in Treatment of Oily Wastewater. Baghdad Sci.J [Internet]. 2020 Dec. 1 [cited 2024 Mar. 30];17(4):1177. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4370

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