Eggshell supported Cu doped FeOx magnetic nanoparticles as peroxymonosulfate activator for carbamazepine degradation

被引：29
作者：
Gao, Yingjie [1 ]
Zhao, Zixuan [1 ]
Song, Lixian [1 ]
Cao, Dongran [1 ]
Zhou, Shengwen [1 ]
Gao, Tianyue [1 ]
Shang, Jiangwei [1 ,2 ]
Cheng, Xiuwen [1 ,2 ]
机构：
[1] Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Gansu, Peoples R China
[2] Yili Normal Univ, Coll Chem & Environm Sci, Key Lab Pollutant Chem & Environm Treatment, Yining 835000, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2023年 / 454卷
关键词：
FeCuOx; eggshell; Oxidative degradation; Peroxymonosulfate; Carbamazepine; Polyacrylonitrile membrane; OXIDATION; PERSULFATE; CATALYST; WATER; IRON; NANOCOMPOSITES; OPTIMIZATION; MECHANISM; REMOVAL;
D O I：
10.1016/j.cej.2022.140282
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, a composite of eggshell supported Cu doped FeOx nanoparticles(FeCuOx/eggshell) was synthesized using a facile co-precipitation method, morphologies and properties were systematically characterized. Mean-while, catalytic performance of the FeCuOx/eggshell & peroxymonosulfate (PMS) system for carbamazepine (CBZ) degradation, effect of operation parameters and water matrices on CBZ removal in this system were evaluated. Besides, Reactive Oxygen Species (ROSs) responsible for the oxidation of CBZ were identified through series of experiments, and a possible degradation pathway of CBZ was proposed. Furthermore, possible reaction mechanism, possible decomposition pathways were proposed. Evolution of CBZ solution toxicity was also evaluated. In addition, installation of FeCuOx/eggshell into PAN membrane has been proved to improve stability and reduce metal release.
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页数：14
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