催化作用
双酚A
电化学
电子转移
化学
钴
浸出(土壤学)
化学工程
降级(电信)
电极
无机化学
光化学
物理化学
计算机科学
有机化学
土壤水分
环氧树脂
土壤科学
工程类
电信
环境科学
作者
Xian Zhou,Yawen Tang,Xingjian Xu,Xian Zhou,Guoqing Zhao,Maofan Zhou,Gengping Wan,Guizhen Wang
标识
DOI:10.1016/j.mtnano.2021.100116
摘要
Traditional methods limit the amount of interface active sites and electron transfer efficiency in supported catalysts, which makes the practical catalysis performance of heterogeneous catalysts for advanced oxidation processes not really perfect. In this article, novel CoP/C hollow hybrids with abundant active interfaces and high surface electron transfer were successfully synthesized. The carbon matrix and CoP combined uniformly and formed a stable conductive network throughout structure. The unique structure of CoP/C endowed them with high catalysis efficiency, as well as low environmental harm in actual bisphenol A (BPA) degradation. BPA removal rate could reach to 100% within 10 min, and the leaching of cobalt ions was far lower than the wastewater discharge standard. The efficiency of BPA degradation was positively correlated with the dosages of CoP/C and peroxymonosulfate (PMS). The CoP/C/PMS/BPA system also showed the impressive degradation performance at a wide pH range (pH = 3–11) and even in practical applications, exhibiting outstanding stability and reusability. Furthermore, through radical quenching experiments, electron paramagnetic resonance test and electrochemical analysis, an exhaustive research was conducted to elucidate the PMS activation mechanism by CoP/C.
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