期刊
CHEMOSPHERE
卷 270, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2020.129523
关键词
Environmental pollutants; Covalent organic frameworks; Dyes; Toxic metals; Membrane and treatment
资金
- Graduate School and Research Council of Yasouj University
Covalent organic frameworks (COFs) are versatile materials with unique features such as high specific surface area and chemical-physical stability, making them suitable for treating pollutants in the environment. Researchers have started to focus on COFs as a viable alternative material. Through adsorption and degradation, COFs can effectively remove a wide variety of hazardous pollutants.
Today, one of the main leading global problems is the presence of different pollutants in the environment. These pollutants not only affect human health but also overshadow the life of other creatures. Thus, pollutant treatment has become a challenging issue among the researchers and the scientific community. Different adsorbents and catalysts have been applied to the removal of pollutants. However, the associated limitations like poor chemical and physical stability, low surface area and low binding capacity revived researchers' attention to exploring alternative materials. Covalent organic frameworks (COFs) are versatile materials created based on the strong covalent interactions between blocked monomers. Unique features, including high specific surface area, high chemical-physical stability and crystallinity render COFs an intriguing sorbent and catalyst in treating pollutants. This review spotlights the applications of COFs as distinguished adsorbents to remove hazardous pollutants from the environment. At first, COFs and their properties as alternative materials were introduced. Then, different synthesis approaches of COFs and their advantages and disadvantages were discussed. Furthermore, the applications of COFs outlined to remove a wide variety of pollutants based on adsorption and degradation. Finally, the prospects of COFs for the treatment of pollutants were evaluated. (C) 2020 Elsevier Ltd. All rights reserved.
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