DOI: 10.66106/hglaa6.20250206 ISSN: 3105-7489

全氟辛酸污染的吸附去除技术综述(A Review of Adsorption Removal Technologies for Perfluorooctanoic Acid Contamination)

吴玉 Yu Wu, 潘江 Jiang Pan, 王宇航 Yuhang Wang
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Abstract：As a new type of organic pollutant, perfluorooctanoic acid (PFOA for short) is characterized by persistence, bioaccumulation and multiple toxicities, and is widely present in various environmental media. It may endanger human health and cause serious ecological risks. Its pollution problem should not be underestimated. Adsorption technology is one of the commonly used methods for removing perfluorinated compounds at present. This paper reviews the adsorption effect of PFOA on different adsorbents, and introduces in detail several main types of adsorbents, adsorption mechanisms and the main influencing factors of adsorption effect. The adsorption effect of PFOA is influenced by the physical and chemical properties of the adsorbent (such as specific surface area, pore size, surface functional groups, etc.). Traditional minerals (silica, montmorillonite, etc.) and activated carbon materials have poor adsorption effects on PFOA, while ion exchange resins, molecularly imprinted compounds and various new composite adsorbents have better adsorption and removal effects. Electrostatic interaction and hydrophobic interaction are the main adsorption mechanisms of PFOA on different adsorbents. This review is conducive to the preparation of highly efficient PFOA adsorbents and lays a theoretical and practical foundation for the further development of PFOA pollution remediation technologies.

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