Degradation of Terphetalic Acid from Petrochemical Wastewater by Ozonation and O3/ZnO Processes in Semi Batch Reactor

Shokri, Aref

doi:10.29252/ArchHygSci.6.4.348

Volume 6, Issue 4 (Autumn 2017) Arch Hyg Sci 2017, 6(4): 348-355 | Back to browse issues page

‎ 10.29252/ArchHygSci.6.4.348

‎ 20.1001.1.22519203.2017.6.4.12.4

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Shokri A. Degradation of Terphetalic Acid from Petrochemical Wastewater by Ozonation and O3/ZnO Processes in Semi Batch Reactor. Arch Hyg Sci 2017; 6 (4) :348-355
URL: http://jhygiene.muq.ac.ir/article-1-280-en.html

Degradation of Terphetalic Acid from Petrochemical Wastewater by Ozonation and O3/ZnO Processes in Semi Batch Reactor

Aref Shokri ^*

Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran.

Abstract: (4400 Views)

Background & Aims of the Study: One of the toxic pollutants in the wastewater of petrochemical industries is Terphetalic acid. In this study, the degradation and mineralization of Terphetalic acid in aqueous environment were studied by Ozonation and O₃/ZnO processes in a semi batch reactor.
Materials & Methods: This study is an experimental research on a laboratory scale. The study executed on synthetic wastewater having Terphetalic acid. The impact of operational factors such as pH, initial concentration of ZnO and Terphetalic acid was also studied.
Results: Different amounts of variables were optimized for the removal of Terphetalic acid in O₃/ZnO process. The optimum conditions were achieved as follows: the [ZnO]=1.20 g/l, pH at 9, and [TPA]=70 mg/l.

Conclusions: The results exhibited that at the predicted optimum conditions and after 30 min of reaction, the removal of Terphetalic acid and Total Organic Carbon (TOC) was 96.9 and 44.3%, respectively. The O₃/ZnO process was powerful in the removal of TPA, but it can remove the TOC to some extent.

Keywords: O3/ZnO process, Terphetalic acid, petrochemical wastewater, Total Organic Carbon (TOC), Iran

Full-Text [PDF 623 kb] (966 Downloads) | | Full-Text (HTML) (807 Views)

Type of Study: Original Article | Subject: Environmental Health
Received: 2017/07/26 | Accepted: 2017/09/10 | Published: 2017/09/30

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