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硝酸铈（IV）铵去除水中的全氟和多氟烷基物质（PFAS）

Removal of per- and polyfluoroalkyl substances (PFAS) from water by ceric(iv) ammonium nitrate.

作者信息

Sun Jun, Jennepalli Sreenu, Lee Matthew, O'Carroll Denis M, Åkermark Björn, Manefield Michael J, Das Biswanath, Kumar Naresh

机构信息

School of Chemistry, The University of New South Wales Sydney NSW 2052 Australia

School of Civil and Environmental Engineering, Water Research Centre, The University of New South Wales Sydney NSW 2052 Australia.

出版信息

RSC Adv. 2021 May 13;11(29):17642-17645. doi: 10.1039/d1ra02635f.

DOI:10.1039/d1ra02635f
PMID:35480216
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9032701/
Abstract

Ceric(iv) ammonium nitrate (CAN) in aqueous medium acts as an excellent precipitating agent for perfluorooctanesulfonic acid (PFOS). The Ce(iv) center plays a crucial role. Interestingly, Ce(iii) chloride showed much less effectiveness under similar conditions. The efficacy of CAN was reduced upon changing the substrate to perfluorooctanoic acid (PFOA).

摘要

硝酸铈铵（CAN）在水介质中是全氟辛烷磺酸（PFOS）的优良沉淀剂。铈（IV）中心起着关键作用。有趣的是，在类似条件下，氯化铈（III）的效果要差得多。当底物变为全氟辛酸（PFOA）时，CAN的功效降低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/57e1c50dbbb3/d1ra02635f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/452d9c350b01/d1ra02635f-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/85fa798cd6b4/d1ra02635f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/ea68400a06f8/d1ra02635f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/511b30c2340f/d1ra02635f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/57e1c50dbbb3/d1ra02635f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/452d9c350b01/d1ra02635f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/a679df2dbc53/d1ra02635f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/85fa798cd6b4/d1ra02635f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/ea68400a06f8/d1ra02635f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/511b30c2340f/d1ra02635f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7718/9032701/57e1c50dbbb3/d1ra02635f-f6.jpg

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Sci Total Environ. 2021 Apr 10;764:142882. doi: 10.1016/j.scitotenv.2020.142882. Epub 2020 Oct 14.
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Removal efficiency of multiple poly- and perfluoroalkyl substances (PFASs) in drinking water using granular activated carbon (GAC) and anion exchange (AE) column tests.使用颗粒活性炭（GAC）和阴离子交换（AE）柱试验去除饮用水中多种多氟和全氟烷基物质（PFASs）的去除效率。
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