Chemistry

Installation of synergistic binding sites onto porous organic polymers for efficient removal of perfluorooctanoic acid

X. Liu, C. Zhu, et al.

This paper reveals a groundbreaking method for creating highly efficient adsorbents for perfluorooctanoic acid (PFOA) using porous organic polymers. The innovative PAF-1-NDMB material shows an astonishing PFOA uptake capacity exceeding 2000 mg g⁻¹ and achieves swift removal below EPA advisory levels in just 2 minutes. This research was conducted by Xiongli Liu, Changjia Zhu, Jun Yin, Jixin Li, Zhiyuan Zhang, Jinli Li, Feng Shui, Zifeng You, Zhan Shi, Baiyan Li, Xian-He Bu, Ayman Nafady, and Shengqian Ma.

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Abstract

This paper reports a strategy for constructing highly efficient perfluorooctanoic acid (PFOA) adsorbents by installing synergistic electrostatic/hydrophobic sites onto porous organic polymers (POPs). The resulting material, PAF-1-NDMB, exhibits exceptionally high PFOA uptake capacity (over 2000 mg g⁻¹), significantly exceeding that of benchmark materials. PAF-1-NDMB also demonstrates remarkably fast kinetics, removing PFOA to levels below EPA advisory levels within 2 minutes. This approach offers a generic method for creating efficient PFOA adsorbents and establishes POPs as a platform for PFOA capture.

Publisher

Nature Communications

Published On

Apr 19, 2022

Authors

Xiongli Liu, Changjia Zhu, Jun Yin, Jixin Li, Zhiyuan Zhang, Jinli Li, Feng Shui, Zifeng You, Zhan Shi, Baiyan Li, Xian-He Bu, Ayman Nafady, Shengqian Ma

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