全氟或多氟烷基物质水处理技术研究进展

doi:10.16085/j.issn.1000-6613.2021-0093

摘要/Abstract

摘要：

自然界废水和饮用水中发现了大量的全氟烷基和多氟烷基物质（PFASs），因此全氟或多氟烷基物质已成为有机污染物类的全球问题。常规的水处理技术包括混凝、絮凝、过滤、沉淀与生物处理过程都不能完全地去除PFASs。而特定的先进处理技术包括吸附、膜处理与光催化可以有效地去除PFASs，故需要了解深度处理过程中各种PFASs的去除机制，各种PFASs的不同物理化学特性使研究化合物在水溶液中迁移较为困难。在现有研究中关于水质条件对去除PFASs的影响的信息很少，本文全面总结了在不同水质条件下（如pH、温度、溶液中离子、天然有机物和溶质浓度）对去除PFASs的影响，以及先进水处理技术如吸附、膜处理和光催化技术的最新知识。

关键词: 全氟烷基和多氟烷基物质, 膜吸附, 光催化, 超滤, 催化, 渗透

Abstract:

A large number of perfluorinated alkyl and polyfluorinated alkyl substances (PFASs) have been found in wastewater and drinking water in nature, so perfluorinated or polyfluorinated alkyl substances have become a global problem of organic pollutants. Conventional water treatment techniques including coagulation, flocculation, filtration, precipitation and biological treatment can not be completely removed PFASs. Specific advanced treatment technologies include adsorption, membrane treatment and oxidation can be effectively removed PFASs. Therefore, it is necessary to understand the removal mechanism of various PFASs during advanced treatment, especially the difficulty of understanding the migration of compounds in aqueous solution due to the different physicochemical characteristics of various PFASs. There is little information on the effect of water quality conditions on removal of PFASs in existing studies. Therefore, in this study, we comprehensively summarize the effects of different water quality conditions (such as pH, temperature, background ions, natural organic matter and solute concentration) on removal of PFASs, as well as the latest knowledge of advanced water treatment technologies such as adsorption, membrane treatment and oxidation.

Key words: PFASs, membrane adsorption, photocatalysis, ultrafiltration, catalysis, permeation

中图分类号:

TQ325

袁雅静. 全氟或多氟烷基物质水处理技术研究进展[J]. 化工进展, 2021, 40(S1): 397-403.

YUAN Yajing. Progress in water treatment technology for perfluorinated or polyfluorinated alkyl substances[J]. Chemical Industry and Engineering Progress, 2021, 40(S1): 397-403.

图/表 1

参考文献 26

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