Degradation of some typical pharmaceuticals and personal care products with copper-plating iron doped Cu_2O under visible light irradiation

作     者：Jing An Qixing Zhou 

作者机构：Key Laboratory of Terrestrial Ecological ProcessInstitute of Applied EcologyChinese Academy of SciencesShenyang 110016China Key Laboratory of Pollution Processes and Environmental Criteria(Ministry of Education)College of Environmental Science and EngineeringNankai UniversityTianjin 300071China 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2012年第24卷第5期

页      面：827-833页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by the National Natural Science Foundation of China as a Youth Fund Project (No.41001340) the Ministry of Science and Technology,People’s Republic of China as a Special Project (No.2008ZX07526-002-01) the China Postdoctoral Science Foundation as a General Project (No. 20100471487) 

主　　题：copper-plating iron Cu2O PPCPs degradation mechanism 

摘      要：A mixture of five commonly used pharmaceuticals and personal care products （PPCPs） was degraded using a new combined catalyst under visible light irradiation. Scanning electron microscopy and X-ray diffraction analysis revealed that the combined catalyst was composed of copper-plating iron doped Cu2O （FeCu/Cu2O）. Compared with the Fe/C inner micro-circuit, the electric currents flowing between Cu and Fe increase the speed of anodic Fe dissolution. Moreover, due to the photochemical properties, Cu2O can accelerate the PPCPs degradation processes under the irradiation of visible light. In addition, shaking increased the dissolved oxygen concentration in the solution, which not only preconditioned the photo-catalysis reaction, but also set the stage for Fe reduction. According to the experimental results, we propose the possible reaction mechanism of the reaction.