Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction

doi:10.1016/j.cjche.2018.07.004

中国化学工程学报 ›› 2019, Vol. 27 ›› Issue (4): 850-856.DOI: 10.1016/j.cjche.2018.07.004

• Separation Science and Engineering • 上一篇下一篇

Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction

Yi Ouyang^1,2, Qing Xu^1,2, Yang Xiang², Wei Liu^1,2, Junqi Du²

1 Beijing Key Laboratory of Membrane Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China;
2 School of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China

收稿日期:2018-04-03 修回日期:2018-07-07 出版日期:2019-04-28 发布日期:2019-06-14
通讯作者: Yang Xiang, Wei Liu
基金资助:
Supported by the Key Technologies R&D Program of China (2011BAE111300).

Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction

Yi Ouyang^1,2, Qing Xu^1,2, Yang Xiang², Wei Liu^1,2, Junqi Du²

1 Beijing Key Laboratory of Membrane Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China;
2 School of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Received:2018-04-03 Revised:2018-07-07 Online:2019-04-28 Published:2019-06-14
Contact: Yang Xiang, Wei Liu
Supported by:
Supported by the Key Technologies R&D Program of China (2011BAE111300).

摘要/Abstract

摘要： The degradation capacity of advanced oxidants generated from oxygen reduction was investigated in model effluent containing chlorobenzene, aniline and benzene through the advanced oxidation processes (AOPs). Intermediate products of the degradation process were determined by GC-MS, and they contributed to specify the degradation pathways of monoaromatic compounds. The study particularly focused on the influence of the dosage of the oxidant, pH and the initial concentration of organic compounds on the degradation effectiveness. When the dosage of oxidant was 4 wt% and the pH was 7, the maximum degradation rates of 74.83% chlorobenzene, 70.32% aniline and 37.69% benzene were achieved. Furthermore, microwave was applied to intensify the oxidation process under optimal operation conditions, and the degradation rates were increased to 87.85% chlorobenzene, 89.11% aniline and 39.03% benzene, respectively.

关键词: AOPs, Degradation, Advanced oxidants, Monoaromatic compounds, Microwave

Abstract: The degradation capacity of advanced oxidants generated from oxygen reduction was investigated in model effluent containing chlorobenzene, aniline and benzene through the advanced oxidation processes (AOPs). Intermediate products of the degradation process were determined by GC-MS, and they contributed to specify the degradation pathways of monoaromatic compounds. The study particularly focused on the influence of the dosage of the oxidant, pH and the initial concentration of organic compounds on the degradation effectiveness. When the dosage of oxidant was 4 wt% and the pH was 7, the maximum degradation rates of 74.83% chlorobenzene, 70.32% aniline and 37.69% benzene were achieved. Furthermore, microwave was applied to intensify the oxidation process under optimal operation conditions, and the degradation rates were increased to 87.85% chlorobenzene, 89.11% aniline and 39.03% benzene, respectively.

Key words: AOPs, Degradation, Advanced oxidants, Monoaromatic compounds, Microwave

Yi Ouyang, Qing Xu, Yang Xiang, Wei Liu, Junqi Du. Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction[J]. 中国化学工程学报, 2019, 27(4): 850-856.

Yi Ouyang, Qing Xu, Yang Xiang, Wei Liu, Junqi Du. Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 850-856.

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Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction

Degradation of simulated organic wastewater by advanced oxidation with oxidants generated from oxygen reduction

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