Solar-light induced photocatalytic-persulfate activity of BiOCl0.5I0.5/NH2-MIL-88B(Fe) for tetracycline hydrochloride degradation

被引：7
|
作者：
Zheng, Xiaogang [1 ,2 ]
Shen, Yue [1 ]
Zhou, Yuanliang [2 ,3 ]
Wen, Hao [1 ]
Wen, Jing [2 ]
机构：
[1] Neijiang Normal Univ, Coll Chem & Chem Engn, Neijiang 641100, Sichuan, Peoples R China
[2] Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sal, Key Lab Salt Lake Resources Chem Qinghai Prov, Xining 810008, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF WATER PROCESS ENGINEERING | 2023年 / 54卷
关键词：
BiOCl0; 5; NH2-MIL-88B(Fe); Photocatalytic-persulfate activity; Tetracycline hydrochloride; METAL-ORGANIC FRAMEWORKS; WASTE-WATER TREATMENT; BIOCL NANOSHEETS; POLLUTANTS; EFFICIENT; REMOVAL; CARBAMAZEPINE;
D O I：
10.1016/j.jwpe.2023.104034
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Photocatalysis coupling with persulfate advanced oxidation is a promising route to eliminate antibiotics from wastewater. BiOCl0.5I0.5 combined with NH2-MIL-88B(Fe) (BCI/NM-88B) heterojunction was constructed for enhancing the photocatalytic-persulfate activity toward tetracycline hydrochloride (TCH). The junction between BiOCl0.5I0.5 and NH2-MIL-88B(Fe) favored the separation and transfer of photo-induced e /h+ pairs, boosting the visible-light utilization. Compared with BiOCl0.5I0.5 and NH2-MIL-88B(Fe), BCI/NM-88B exhibited the better removal efficiency of TCH. The optimal 3-BCI/NM-88B could remove 91.15 % TCH solution of 120 mg L  1 within 120 min, and declined to 85.86 % after five cycles. The photo-corrosion and the residue coverage leaded to the deactivation of 3-BCI/NM-88B. SO4 & BULL; and & BULL;OH radicals were the vital radicals in 3-BCI/NM-88B-assisted photocatalytic-persulfate system.
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页数：9
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