Synergistic degradation of Tris (2-Chloroethyl) Phosphate (TCEP) by US/Fenton system: Experimental, DFT calculation and toxicity evaluation

作     者：Zhang, Lucheng Wang, Tingting Zhang, Mingqing Liu, Qi She, Yi Wu, Shilong Liu, BingFeng 

作者机构：School of Environment and Spatial Informatics China University of Mining & ampTechnology Xuzhou221116 China School of Low-Carbon Energy and Power Engineering China University of Mining & ampTechnology Xuzhou221116 China 

出 版 物：《Environmental Science and Pollution Research》 (Environ. Sci. Pollut. Res.)

年 卷 期：2024年第31卷第27期

页      面：39120-39137页

核心收录：

学科分类：0808[工学-电气工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 070203[理学-原子与分子物理] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 1004[医学-公共卫生与预防医学(可授医学、理学学位)] 1002[医学-临床医学] 1001[医学-基础医学(可授医学、理学学位)] 0817[工学-化学工程与技术] 0815[工学-水利工程] 0703[理学-化学] 0714[理学-统计学（可授理学、经济学学位）] 0701[理学-数学] 0702[理学-物理学] 

基　　金：We acknowledge the financial supports by the National Natural Science Foundation of China (Grant No.51874304) the Graduate Innovation Program of China University of Mining and Technology (2023WLKXJ164) \u201Cthe Fundamental Research Funds for the Central Universities\u201D(2023XSCX046) \u201Cthe Postgraduate Research & Practice Innovation Program of Jiangsu Province\u201D (KYCX23_2835) 

主　　题：Toxicity 

摘      要：Organophosphorus esters (OPEs), exemplified by tris (2-chloroethyl) phosphate (TCEP), find extensive application in diverse industries such as construction materials, textiles, chemical manufacturing, and electronics, consequently resulting in an increased concentration of these compounds in industrial wastewater. The fundamental objective of this investigation was to examine the degradation of TCEP through the implementation of US/Fenton oxidation techniques in a solution. The findings revealed that the US/Fenton system effectively facilitated the degradation of TCEP, with the Chan kinetic model precisely elucidating the degradation process. Under optimized reaction conditions, the degradation efficiency of TCEP reached an impressive 93.18%. However, the presence of common co-existing aqueous substrates such as Cl−, HCO3−, H2PO4−, and HA hindered the degradation process. Bursting tests and electron paramagnetic resonance (EPR) studies affirmed ∙OH oxidation as the principal mechanism underlying TCEP degradation. Detailed degradation pathways for TCEP were established through the utilization of density-functional theory (DFT) calculations and GC/MS tests. Moreover, the ecotoxicological evaluation of TCEP and its intermediates was conducted using the Toxicity Estimation Software Tool (T.E.S.T.). © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.