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Facile synthesis of multifunctional acylhydrazone-based covalent organic polymer for rapid removing Hg(II) and Ibuprofen from water.
- Source :
- Journal of Environmental Chemical Engineering; Feb2023, Vol. 11 Issue 1, pN.PAG-N.PAG, 1p
- Publication Year :
- 2023
-
Abstract
- Covalent organic polymers (COPs) are one of the most efficient and cost-effective adsorbents for removing heavy metals and antibiotics. Herein, three novel COPs were synthesized by a unique aldehyde and three hydrazine amines possessing varying numbers of acylhydrazone groups. And the H-COP-3 which is rich in acylhydrazone bonds gave the highest adsorption capacity (639.751 mg g<superscript>−1</superscript>) among the three materials on removing Hg(II) and equilibrium within 15 min, attributing to the strong affinity between acylhydrazone and Hg(II). Owing to the existence of hydrogen bonding and π-π stacking in the H-COPs and ibuprofen (IBP), the adsorption capacity of IBP on both new adsorbents was more than 230 mg g<superscript>−1</superscript> showing no obvious disparity. Furthermore, H-COPs exhibit high stability over a wide pH range and still possess considerable Hg(II) and IBP adsorption capacity after multiple cycles. Our results reflect the great potential of these acylhydrazone-based COPs for environmental remediation. [Display omitted] • Three new acylhydrazone-based covalent organic polymers with plenty of imine groups used as sorbents. • H-COPs show high Hg(II) and IBP adsorption up to 639.751 mg g<superscript>−1</superscript> and 242.775 mg g<superscript>−1</superscript>. • H-COPs are recyclable as Hg(II) and IBP sorbents at least six cycles. • H-COPs are polymers with certain crystallinity and thermally stable. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 22133437
- Volume :
- 11
- Issue :
- 1
- Database :
- Supplemental Index
- Journal :
- Journal of Environmental Chemical Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 161362304
- Full Text :
- https://doi.org/10.1016/j.jece.2022.109228