文献类型：会议论文

英文题名：Modeling and kinetics study of Bisphenol A (BPA) degradation over an FeOCl/SiO2 Fenton-like catalyst

作者：Yang, Xue-jing[1,2];Xu, Xi-meng[1];Xu, Xin-chao[1];Xu, Jing[1];Wang, Hua-lin[1,2];Semiat, Raphael[3];Han, Yi-fan[1,4]

机构：[1]ECUST, State Key Lab Chem Engn, Shanghai 200237, Peoples R China;[2]ECUST, State Environm Protect Key Lab Environm Risk Asse, Shanghai 200237, Peoples R China;[3]Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-32000 Haifa, Israel;[4]Zhengzhou Univ, Sch Chem Engn & Energy, Res Ctr Heterogeneous Catalysis & Engn Sci, Zhengzhou 450001, Peoples R China

会议论文集：8th Sino-US Joint Conference of Chemical Engineering

会议日期：OCT 12-15, 2015

会议地点：E China Univ Sci & Technol, Shanghai, PEOPLES R CHINA

主办单位：E China Univ Sci & Technol

语种：英文

外文关键词：FeOCl/SiO2; Bisphenol 'A; Semi-empirical kinetic modeling; HO center dot radical

摘要：A heterogeneous Fenton-like catalyst was used for the oxidation of Bisphenol A (BPA), which is a typical endocrine disruptor. A simple semi-empirical kinetic equation was developed to define the effects of experimental conditions (initial concentration of H2O2, initial concentration of BPA, temperature and the catalyst loading) on the reaction rate. The plausible pathway of the degradation process was proposed. A pseudo-first-order reaction rate expression with respect to BPA concentration was developed to fit all data for these experiments, and the equation of k(obs) (observed rate constant) was obtained with the apparent activation energy of 42.2 kJ/mol. In order to reduce the operational cost, the values of parameters (temperature, initial concentration of H2O2 and pH) that optimize the catalytic performance were studied by means of a response surface methodology. Finally, a plausible mechanism was proposed on the basis of kinetics and optimization studies, which illustrates the reaction process and optimization in a microscopic view. (C) 2016 Elsevier B.V. All rights reserved.