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Citation: Yong Qing Zhang, Wei Lin Huang, Donna E. Fennell. In situ chemical oxidation of aniline by persulfate with iron (Ⅱ) activation at ambient temperature[J]. Chinese Chemical Letters, ;2010, 21(8): 911-193. doi: 10.1016/j.cclet.2010.03.001 shu

In situ chemical oxidation of aniline by persulfate with iron (Ⅱ) activation at ambient temperature

a College of Environmental Science and Engineering, South China University of Technology, Guangzhou 510006, China;
b The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, China;
c Department of Environmental Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA

Received Date: 15 September 2009

Fund Project: This study was supported by a grant from E.I. du Pont de Nemours and Company to Rutgers University. Partial funding was also provided by the Natural Science Foundation of Guangdong Province (No. 9351064101000001), Science and Technology Planning Project of Guangdong Province (No. 2007A020100001-13) and the Key Laboratory of Environmental Protection and Eco-Remediation of Guangdong Higher Education Institutions (China). The authors acknowledge Miss Yun Li of Rutgers University for her valuable technical assistance in this research.

The kinetics of aniline degradation by persulfate processes with iron (Ⅱ) activation at ambient temperature was investigated in this study. With iron (Ⅱ) as initiator, the oxidation reactions were found to follow a biphasic rate phenomenon:a rapid transformation followed by a slow but sustained oxidation process. In the first 30 s, the reaction mainly relies on the persulfate-Fe²⁺ reaction in which aniline is oxidized rapidly. After 30 s, the aniline was still oxidized but the rate of reaction tended to be slower and the rates were clearly linear-proportional. After the initial fast oxidation, the reactions appeared to follow a pseudo-first-order model.
- Persulfate,
- Aniline,
- In situ chemical oxidation
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