Factors that influence degradation of acetaminophen by Fenton processes

doi:10.1016/j.jtice.2013.05.020

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標題:	Factors that influence degradation of acetaminophen by Fenton processes
作者:	de Luna, Mark Daniel G. Veciana, Mersabel L. Colades, James I. Su, Chia-Chi Lu, Ming-Chun
貢獻者:	環境資源管理系
關鍵字:	Advanced oxidation process Acetaminophen degradation Electro-Fenton Photoelectro-Fenton
日期:	2014-03
上傳時間:	2015-05-06 21:21:24 (UTC+8)
出版者:	Elsevier Science Bv
摘要:	The effects of important parameters, Fe2+, H2O2 and initial acetaminophen concentrations, on the initial rate and efficiency of ACT degradation in the electro-Fenton (EF) and photoelectro-Fenton (PEF) processes were investigated. The effect of organic acids on the degradation of ACT molecules was also studied. Experimental results show that the initial rate and removal efficiency of ACT in the EF and PEF processes varied insignificantly with Fe2+ concentration. The initial rate and removal efficiency of ACT in the PEF process were higher than those in the EF process. At a high initial ACT concentration, the initial rate of ACT degradation in the EF process was lower than that in the PEF process. Acetic acid improved ACT degradation efficiency while malonic and oxalic acids reduced it. Oxalic acid exhibited the strongest inhibitory effect, reducing ACT degradation efficiency by 18%. In the presence of oxalic acid in solution, EF yielded a degradation efficiency of 79%, which should be compared to efficiencies of 9% and 3%, for the fluidized-bed and conventional Fenton processes, respectively, showing that the EF process involves beneficial Fe2+ regeneration. (C) 2013 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
關聯:	Journal of the Taiwan Institute of Chemical Engineers, v.45 n.2, pp.565-570
显示于类别:	[環境資源管理系(所)] 期刊論文

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