Degradation of acetaminophen by Fenton and electro-Fenton processes in aerator reactor

doi:10.1016/j.seppur.2012.07.004

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標題:	Degradation of acetaminophen by Fenton and electro-Fenton processes in aerator reactor
作者:	Su, Chia-Chi Chang, An-Tzu Bellotindos, Luzvisminda M. Lu, Ming-Chun
貢獻者:	環境資源管理系
關鍵字:	Paracetamol Acetaminophen Fenton Process Electro-Fenton Process
日期:	2012-10-08
上傳時間:	2014-03-21 16:13:07 (UTC+8)
出版者:	Elsevier Science Bv
摘要:	This study investigated the degradation of acetaminophen (ACTP) in the Fenton and electro-Fenton processes in an aerator reactor. The influences of important parameters on acetaminophen degradation were studied and described in details. The experimental results show that the Fenton and electro-Fenton processes had maximum ACTP degradation efficiencies of 99% and 100%, respectively. The ACTP degradation efficiency of Fenton process and electro-Fenton process were apparently increased at pH 2 and 4, respectively; ACTP degradation efficiency increased 72% at pH 2 in the Fenton process and 74% at pH 4 in the electro-Fenton process when fixed H2O2 dosage (15 mM) and Fe2+ dosage was increased from 0.01 to 0.1 mM. The Box-Behnken design results indicated that the relative effects of the studied parameters on ACTP degradation in Fenton and electro-Fenton processes were Fe2+ > H2O2 > pH. The initial rate of ACTP degradation (r) and ACTP degradation efficiency in the electro-Fenton process were apparently higher than those in the Fenton process at pH 2, as a high H2O2-to-Fe2+ molar ratio (1500) was used. The COD and TOC obtained by electro-Fenton process were 12% and 65% higher, respectively, than those in the Fenton process. (C) 2012 Elsevier B.V. All rights reserved.
關聯:	Separation And Purification Technology, 99, 8-13
显示于类别:	[環境資源管理系(所)] 期刊論文

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