Porous organic nanofiber polymers as superfast adsorbents for capturing pharmaceutical contaminants from water
The development of simple, low-cost adsorbents is critical for waste management in the medical industry (in particular, pharmaceutical and personal care product (PPCP) waste) to restore the natural state of the water system. This study presents novel hypercrosslinked hydroxyl-rich porous organic pol...
Saved in:
Published in | Environmental science. Nano Vol. 9; no. 2; pp. 73 - 741 |
---|---|
Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Cambridge
Royal Society of Chemistry
17.02.2022
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The development of simple, low-cost adsorbents is critical for waste management in the medical industry (in particular, pharmaceutical and personal care product (PPCP) waste) to restore the natural state of the water system. This study presents novel hypercrosslinked hydroxyl-rich porous organic polymers (HPOPs) that were synthesized
via
Friedel-Crafts reactions as potential adsorbents for PPCP capture. Their successful syntheses, surface properties, and chemical stabilities were investigated through various characterization tools. The uniquely structured HPOP-3, denoted as porous organic nanofiber (PONF), shows superior adsorption capacities for three model PPCPs (diclofenac sodium, sulfamethoxazole, and acetaminophen) compared to most of the other reported benchmark materials. Furthermore, due to its unique surface properties such as well-defined hierarchical porosity containing both micropores and mesopores and nanofiber-like structure, PONF exhibits superfast adsorption kinetics for all the model PPCPs. It also shows excellent selectivity against another large organic compound (humic acid) and metal ions (Na
+
, K
+
, Ca
+
, and Mg
2+
), which are commonly contained in wastewater. PONF shows decent reusability over 10 cycles without a deterioration in the sorption capacity. A plausible host-guest mechanism for superior PPCP adsorption on PONF is also proposed.
A novel porous organic nanofiber (PONF) was synthesized for effective removal of pharmaceutical pollutants from water with superfast adsorption kinetics. |
---|---|
Bibliography: | Electronic supplementary information (ESI) available. See DOI 10.1039/d1en01031j |
ISSN: | 2051-8153 2051-8161 |
DOI: | 10.1039/d1en01031j |