Activation of peroxymonosulfate by copper doped ordered mesoporous carbon for efficient destruction of bisphenol A
LIU Man1,2, LI Yi-bing1, WANG Yan-bin2, ZHAO Xu2
1. School of Civil Engineering and Transportation, Hebei University of Technology, Tianjin 300401, China;
2. State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Copper doped ordered mesoporous carbon (Cu-OMC) was prepared by evaporation induced self-assembly and presented high catalytic activity for the activation of peroxymonosulfate (PMS).At the condition of catalyst dosage 0.1g/L, PMS concentration 0.5mmol/L,the removal of 20mg/L bisphenol A (BPA) could be achieved 91% in 60min.The reaction can be performed under a wide pH range around 3-11 and little influenced by anions including Cl-,SO42-,HCO3- and PO43-.The reactive oxygen species (ROS) generated during the reaction process were analyzed by radical quenching tests and electron spin response (EPR).It was found that apart from sulfate radical (SO4·-) and hydroxyl radicals (·OH),singlet oxygen (1O2) also contributed to the degradation of BPA.
刘曼, 李一兵, 王彦斌, 赵旭. 掺铜介孔碳活化过硫酸氢盐高效降解双酚A[J]. 中国环境科学, 2017, 37(11): 4151-4158.
LIU Man, LI Yi-bing, WANG Yan-bin, ZHAO Xu. Activation of peroxymonosulfate by copper doped ordered mesoporous carbon for efficient destruction of bisphenol A. CHINA ENVIRONMENTAL SCIENCECE, 2017, 37(11): 4151-4158.
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