Preparation of Ag/AgCl/MIL-100(Fe)/PAN composite and its performance of removing Cr(Ⅵ) in water

被引：0
作者：
Fan, Tingting [1 ]
Zhang, Yangyang [1 ]
Wang, Chunmei [1 ]
机构：
[1] School of Textile and Clothing, Nantong University, Jiangsu, Nantong
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2024年 / 43卷 / 12期
关键词：
Ag/AgCl; catalysis; composite; MIL-100(Fe); waste water;
D O I：
10.16085/j.issn.1000-6613.2023-2021
中图分类号：
学科分类号：
摘要：
Iron-based metal organic framework material [MIL-100(Fe)] was loaded onto polyacrylonitrile (PAN) at room temperature using in-situ growth method, and then Ag/AgCl nanoparticles were deposited on the surface of MIL-100(Fe)/PAN by photo-reduction deposition to obtain Ag/AgCl/MIL-100(Fe)/PAN composites. The crystal structure, morphology and optical absorption performance of the composites were characterized by a series of methods. The effects of initial concentration, initial pH, light and H2O2 on the photocatalytic removal performance of Cr(Ⅵ) by composite materials were explored, and the photocatalytic reaction mechanism was analyzed. The results showed that the introduction of Ag/AgCl could significantly improve the absorption capacity of the composites for visible light. Under the condition of 1000W xenon lamp illumination for 60min, 15mg/L Cr(Ⅵ) solution added 0.32mL/L 30% H2O2 and initial pH=3, the removal rate of 6g/L composite for Cr(Ⅵ) reached 93%. After 5 times reuse, the removal rate of composite for Cr(Ⅵ) could still reach 74%. During the photocatalytic process, e- and ·O2- played reducing roles. © 2024 Chemical Industry Press Co., Ltd.. All rights reserved.
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页码：6828 / 6837
页数：9
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