Статья

Persulfate oxidation for the aniline degradation in aqueous systems.

Jin AnotaiDepartment of Environmental Engineering, King Mongkut's University of Technology Thonburi, Bangkok, ThailandPaolo RoccaroDepartment of Civil and Environmental Engineering, University of Catania, Viale A. Doria, 6, 95125 Catania, ItalyPietro P. FalcigliaDepartment of Civil and Environmental Engineering, University of Catania, Viale A. Doria, 6, 95125 Catania, ItalyNalinrut MasomboonDepartment of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan, 717, Chinese Taiwan E-mail: [email protected]Chung-Lin ChuangDepartment of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan, 717, Chinese Taiwan E-mail: [email protected]Federico G.A. VagliasindiDepartment of Civil and Environmental Engineering, University of Catania, Viale A. Doria, 6, 95125 Catania, ItalyMing‐Chun LuDepartment of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan, 717, Chinese Taiwan E-mail: [email protected]

2011en

ABI

Аннотация

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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Идентификаторы

DOI: 10.2166/wst.2011.190

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