化工进展 ›› 2018, Vol. 37 ›› Issue (09): 3401-3409.DOI: 10.16085/j.issn.1000-6613.2017-2060

• 工业催化 • 上一篇    下一篇

黏土负载型类Fenton催化剂的研究进展

廖丰, 龙明策   

  1. 上海交通大学环境科学与工程学院, 上海 200240
  • 收稿日期:2017-10-09 修回日期:2018-01-24 出版日期:2018-09-05 发布日期:2018-09-05
  • 通讯作者: 龙明策,副研究员,博士生导师,研究方向为环境功能材料。
  • 作者简介:廖丰(1992-),男,硕士研究生。E-mail:lfsamuel@sjtu.edu.cn。
  • 基金资助:
    国家自然科学基金项目(21377084)。

Recent progress on the clay supported Fenton-like catalyst

LIAO Feng, LONG Mingce   

  1. School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • Received:2017-10-09 Revised:2018-01-24 Online:2018-09-05 Published:2018-09-05

摘要: 黏土负载型类Fenton催化剂是将活性金属固定在黏土上,用以催化活化H2O2产生羟基自由基去除难降解有机污染物,克服了均相Fenton氧化适用pH范围窄、易产生铁泥沉淀等缺点。本文从黏土的类型和结构特点出发,简述了层状与非层状黏土负载活性金属的特点及其催化性能;分析了柱撑、浸渍、沉积-沉淀等活性金属负载方法和黏土的改性手段;阐述了负载活性金属类型及其对催化性能的影响。针对黏土负载型类Fenton催化剂的特点和现阶段存在的问题,从黏土负载型催化剂的活性金属负载形式、负载方法和高效稳定催化性能的需求等角度指出了今后的研究方向。

关键词: 催化剂, 载体, 污染, 类Fenton, 黏土, 双氧水

Abstract: Clay-supported Fenton-like catalyst is prepared by immobilizing active metals on clays for the catalytic activation of H2O2 to create hydroxyl radicals to remove the refractory organic pollutants. It could overcome the disadvantages of homogeneous Fenton reactions such as narrow suitable pH range and production of iron sludge. This paper briefly introduced the catalytic performance of the layered and non-layered clay supporting active metals according to their types and structural characteristics. The synthetic and modification methods such as pillaring, impregnation and deposition precipitation were systematically analyzed, and the types of supported active metals and their effects on the catalytic performance were elaborated. With an eye towards the technical features and current challenges, we proposed several possible topics for the future studies including the form of supported active metals, the loading methods, and the requirements for the efficent and stable catalytic performance.

Key words: catalyst, support, pollution, Fenton-like, clay, hydrogen peroxide

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