纳米材料对水体中PFCs的去除行为及机制

许骐; 周琴; 王乐阳; 刘红梅; 潘纲

doi:10.3799/dqkx.2018.424

纳米材料对水体中PFCs的去除行为及机制

doi: 10.3799/dqkx.2018.424

许骐^1,2,,
周琴^1, ,,
王乐阳^1,3,
刘红梅⁴,
潘纲¹

1.
中国科学院生态环境研究中心环境纳米技术与健康效应重点实验室, 北京 100085
2.
中国科学院大学资源与环境学院, 挥发性有机物污染控制材料与技术国家工程实验室, 北京 100049
3.
常州大学环境与安全工程学院, 江苏常州 213164
4.
中国科学院矿物学与成矿学重点实验室, 广东省矿物物理与材料研究开发重点实验室, 广东广州 510640

基金项目:

国家自然科学基金项目 41573114

广东省矿物物理与材料研究开发重点实验室开放基金项目 GLMPM-20151110

中国科学院矿物学与成矿学重点实验室开放基金项目 KLMM20150106

详细信息

作者简介:
许骐(1994-), 硕士研究生, 主要从事纳米材料的制备及PFCs去除机理的研究

通讯作者:
周琴

中图分类号: P66
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- PDF下载量: 14
- 被引次数: 0
出版历程
- 收稿日期: 2017-11-09
- 刊出日期: 2018-05-15

Removal Behavior and Mechanism of Perfluorinated Compounds from Water by Nano-Materials

Xu Qi^{1,2
,},
Zhou Qin^{1
, ,},
Wang Leyang^1,3,
Liu Hongmei⁴,
Pan Gang¹

1.
Key Laboratory of Environmental Nano-Technology and Health Effect, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2.
National Engineering Laboratory for VOCs Pollution Control Material and Technology, College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
3.
School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164, China
4.
Key Laboratory of Mineralogy and Metallogeny, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Guangzhou 510640, China

摘要

摘要: 全氟化合物（Perfluorinated Compounds，PFCs）是一类含有强极性碳氟键的阴离子表面活性剂.由于PFCs的高稳定性、高生物累积性和潜在毒性，其在水环境中的广泛存在已经对人类的生命健康造成了极大的威胁.近年来，研究者不断寻找有效的材料和处理技术去除水体中的PFCs.纳米材料因其特殊的结构和效应，比一般材料有更高的反应活性.总结了如碳纳米管、改性粘土矿物、纳米二氧化钛、氧化铟、氧化镓等新型纳米材料在物理吸附、光化学及电化学法去除PFCs中的应用，并比较了上述各材料去除PFCs的优缺点及各自的去除机制，分析了目前纳米材料去除水体中PFCs存在的主要问题并展望了今后的发展趋势.
- 全氟化合物 /
- 纳米材料 /
- 纳米矿物 /
- 吸附 /
- 催化
Abstract: Perfluorinated compounds (PFCs) are one type of anionic surfactants containing strong-polar carbon-fluorine bonds.PFCs widely exist in aqueous environment because of their high solubility and stability, which has potential risk to human health due to the high bioaccumulation and potential toxicity. Recently, various methods have been developed to remove PFCs from aquatic environment. Compared with bulk materials, nano-materials have higher reactivity because of their special structure. In this paper, it presents some nano-materials such as carbon nanotube, modified clay minerals, nano-TiO₂, In₂O₃, Ga₂O₃, etc., which have been applied for adsorption, nanofiltration, photochemistry, electrochemistry, etc. Their advantages, disadvantages and mechanism are compared in detail. Besides, it also discusses the issues and prospects for PFCs removal from water by nanomaterials.
- perfluorinated compound /
- nano-material /
- nano-mineral /
- adsorption /
- catalysis

HTML全文

图 1 不同HDTMAB负载量的有机蒙脱石吸附PFOS前后的结构示意

据Zhou et al.(2010)

Fig. 1. Schematic diagram for the arrangements of HDTMAB in the different organo-Mts before and after PFOS adsorption

下载: 全尺寸图片幻灯片

图 2 PFOA在In₂O₃和TiO₂表面可能的降解机理

据Li et al.(2011)

Fig. 2. Possible degradation mechanism of PFOA on surfaces of In₂O₃ and TiO₂

下载: 全尺寸图片幻灯片

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