Ferrous catalyzed persulfate oxidation of dissolved aniline was investigated in aqueous systems under a variety of ferrous ion concentrations and temperature. Result showed that the addition of ferrous ions accelerated the degradation of aniline by persulfate. For the thermally activated persulfate oxidation experiment, the optimum persulfate/aniline concentration ratio at 30˚C was at 5.4 mM or 20/1. This ratio gave the highest aniline removal of 45%. For the ferrous ion catalyzed persulfate oxidation experiment, there was marginal difference in the result for the various ferrous ion/oxidant molar ratios. Thus, another series of experiment was conducted to determine the optimum ratio and a ferrous ion/persulfate molar ratio of 1.25/1 showed the highest removal efficiency.
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Research Article|
April 01 2011
Persulfate oxidation for the aniline degradation in aqueous systems Available to Purchase
Jin Anotai;
Jin Anotai
1Department of Environmental Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
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Nalinrut Masomboon;
Nalinrut Masomboon
2Department of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan, 717, Chinese Taiwan
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Chung-Lin Chuang;
Chung-Lin Chuang
2Department of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan, 717, Chinese Taiwan
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Ming-Chun Lu
2Department of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan, 717, Chinese Taiwan
E-mail: [email protected]
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Water Sci Technol (2011) 63 (7): 1434–1440.
Citation
Jin Anotai, Nalinrut Masomboon, Chung-Lin Chuang, Ming-Chun Lu; Persulfate oxidation for the aniline degradation in aqueous systems. Water Sci Technol 1 April 2011; 63 (7): 1434–1440. doi: https://doi.org/10.2166/wst.2011.325
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