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- Title
A Competitive Study Using UV and Ozone with H2O2 in Treatment of Oily Wastewater.
- Authors
Jasim, Ban A.; Al-Furaiji, Mustafa H.; Sakran, Ali I.; Abdullah, Waleed I.
- 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.
- Subjects
WASTEWATER treatment; OZONE; OZONE generators; HYDROGEN peroxide; POLLUTANTS; PH effect
- Publication
Baghdad Science Journal, 2020, Vol 17, Issue 4, p1177
- ISSN
2078-8665
- Publication type
Article
- DOI
10.21123/bsj.2020.17.4.1177