Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)

Polyphosphazene was synthesized by ultrasonic using 4,4-diaminodiphenyl ether and hexachlorocyclotriphosphazene (HCCP) as precursors. Next, it was further carbonized and functionalized to prepare the carboxylic-acid functionalized N, P co-doped carbon materials (NPCs-COOH). The structure of NPCs-COO...

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Main Authors:	Liu, Xiaopeng, Liu, Yan, Wang, Yun, Yuan, Dingzhong, Liu, Jinbiao, Chew, Jia Wei
Other Authors:	School of Chemical and Biomedical Engineering
Format:	Article
Language:	English
Published:	2021
Subjects:	Engineering::Chemical engineering Polyphosphazene Carboxyl
Online Access:	https://hdl.handle.net/10356/152943
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Institution:	Nanyang Technological University
Language:	English

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spelling	sg-ntu-dr.10356-1529432021-10-30T20:12:02Z Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI) Liu, Xiaopeng Liu, Yan Wang, Yun Yuan, Dingzhong Liu, Jinbiao Chew, Jia Wei School of Chemical and Biomedical Engineering Nanyang Environment and Water Research Institute Singapore Membrane Technology Center Engineering::Chemical engineering Polyphosphazene Carboxyl Polyphosphazene was synthesized by ultrasonic using 4,4-diaminodiphenyl ether and hexachlorocyclotriphosphazene (HCCP) as precursors. Next, it was further carbonized and functionalized to prepare the carboxylic-acid functionalized N, P co-doped carbon materials (NPCs-COOH). The structure of NPCs-COOH was characterized by FTIR, SEM and XPS. The sorption performance of NPCs-COOH for U(VI) in solution were determined under diverse factors including pH values, initial concentration, equilibrium time and reaction temperature. The results indicated that the optimal pH value was 5.0 and the equilibrium time was 60.0 min. The maximum sorption capacity from experimental results was 425.16 mg/g. The analysis results of the sorption thermodynamics and kinetics showed that the NPCs-COOH had excellent sorption performance so that it can be utilized on removal of U(VI) effectively in aqueous solution. Published version We appreciate the financial support from the National Natural Science Foundation of China (No.11705027, 21966005), the Jiangxi Provincial Natural Science Foundation (No.20202BABL203001, 20192BAB202007, 20192ACB21001), the Opening fund project of State Key Laboratory of Nuclear Resources and Environment, East China University of Technology (NRE1926). 2021-10-22T02:27:56Z 2021-10-22T02:27:56Z 2021 Journal Article Liu, X., Liu, Y., Wang, Y., Yuan, D., Liu, J. & Chew, J. W. (2021). Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI). Colloid and Interface Science Communications, 41, 100387-. https://dx.doi.org/10.1016/j.colcom.2021.100387 2215-0382 https://hdl.handle.net/10356/152943 10.1016/j.colcom.2021.100387 2-s2.0-85102108283 41 100387 en Colloid and Interface Science Communications © 2021 Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). application/pdf
institution	Nanyang Technological University
building	NTU Library
continent	Asia
country	Singapore Singapore
content_provider	NTU Library
collection	DR-NTU
language	English
topic	Engineering::Chemical engineering Polyphosphazene Carboxyl
spellingShingle	Engineering::Chemical engineering Polyphosphazene Carboxyl Liu, Xiaopeng Liu, Yan Wang, Yun Yuan, Dingzhong Liu, Jinbiao Chew, Jia Wei Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)
description	Polyphosphazene was synthesized by ultrasonic using 4,4-diaminodiphenyl ether and hexachlorocyclotriphosphazene (HCCP) as precursors. Next, it was further carbonized and functionalized to prepare the carboxylic-acid functionalized N, P co-doped carbon materials (NPCs-COOH). The structure of NPCs-COOH was characterized by FTIR, SEM and XPS. The sorption performance of NPCs-COOH for U(VI) in solution were determined under diverse factors including pH values, initial concentration, equilibrium time and reaction temperature. The results indicated that the optimal pH value was 5.0 and the equilibrium time was 60.0 min. The maximum sorption capacity from experimental results was 425.16 mg/g. The analysis results of the sorption thermodynamics and kinetics showed that the NPCs-COOH had excellent sorption performance so that it can be utilized on removal of U(VI) effectively in aqueous solution.
author2	School of Chemical and Biomedical Engineering
author_facet	School of Chemical and Biomedical Engineering Liu, Xiaopeng Liu, Yan Wang, Yun Yuan, Dingzhong Liu, Jinbiao Chew, Jia Wei
format	Article
author	Liu, Xiaopeng Liu, Yan Wang, Yun Yuan, Dingzhong Liu, Jinbiao Chew, Jia Wei
author_sort	Liu, Xiaopeng
title	Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)
title_short	Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)
title_full	Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)
title_fullStr	Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)
title_full_unstemmed	Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)
title_sort	preparation of porous carbon materials by polyphosphazene as precursor for sorption of u(vi)
publishDate	2021
url	https://hdl.handle.net/10356/152943
_version_	1718368097262370816

Preparation of porous carbon materials by polyphosphazene as precursor for sorption of U(VI)

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