Uranyl ion adsorption studies on synthesized phosphoryl functionalised MWCNTs: a mechanistic approach

Xue Guo; Yurun Feng; Li Ma; Jincheng Yu; Jie Jing; Dezhi Gao; Adil Saleem Khan; Hongyu Gong; Yujun Zhang

doi:10.1007/s10967-018-5761-0

Uranyl ion adsorption studies on synthesized phosphoryl functionalised MWCNTs: a mechanistic approach

Xue Guo, Yurun Feng, Li Ma, Jincheng Yu, Jie Jing, Dezhi Gao, Adil Saleem Khan, Hongyu Gong, Yujun Zhang^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

A novel and efficient sorbent: phosphoryl multiwalled carbon nanotubes (PS-MWCNTs) were synthesized by modifying MWCNTs with phosphoryl functional groups. PS-MWCNTs possessed excellent uranium adsorption capacity (194.17 mg g⁻¹) with a wide range of pH values (> 2) and short adsorption equilibrium time (10 min). The isotherm models revealed that the U(VI) adsorption mechanism of PS-MWCNTs mainly belonged to chemical adsorption. Furthermore, the XPS analysis showed that the main forces between uranium ions and PS-MWCNTs were attributed to the phosphoryl functional groups.

Original language	English
Pages (from-to)	397-409
Number of pages	13
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	316
Issue number	1
Early online date	22 Feb 2018
DOIs	https://doi.org/10.1007/s10967-018-5761-0
Publication status	Published - Apr 2018

Keywords

Adsorption
MWCNTs
Phosphoryl
Uranium

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title = "Uranyl ion adsorption studies on synthesized phosphoryl functionalised MWCNTs: a mechanistic approach",

abstract = "A novel and efficient sorbent: phosphoryl multiwalled carbon nanotubes (PS-MWCNTs) were synthesized by modifying MWCNTs with phosphoryl functional groups. PS-MWCNTs possessed excellent uranium adsorption capacity (194.17 mg g−1) with a wide range of pH values (> 2) and short adsorption equilibrium time (10 min). The isotherm models revealed that the U(VI) adsorption mechanism of PS-MWCNTs mainly belonged to chemical adsorption. Furthermore, the XPS analysis showed that the main forces between uranium ions and PS-MWCNTs were attributed to the phosphoryl functional groups.",

keywords = "Adsorption, MWCNTs, Phosphoryl, Uranium",

author = "Xue Guo and Yurun Feng and Li Ma and Jincheng Yu and Jie Jing and Dezhi Gao and Khan, {Adil Saleem} and Hongyu Gong and Yujun Zhang",

year = "2018",

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doi = "10.1007/s10967-018-5761-0",

language = "English",

volume = "316",

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TY - JOUR

T1 - Uranyl ion adsorption studies on synthesized phosphoryl functionalised MWCNTs

T2 - a mechanistic approach

AU - Guo, Xue

AU - Feng, Yurun

AU - Ma, Li

AU - Yu, Jincheng

AU - Jing, Jie

AU - Gao, Dezhi

AU - Khan, Adil Saleem

AU - Gong, Hongyu

AU - Zhang, Yujun

PY - 2018/4

Y1 - 2018/4

N2 - A novel and efficient sorbent: phosphoryl multiwalled carbon nanotubes (PS-MWCNTs) were synthesized by modifying MWCNTs with phosphoryl functional groups. PS-MWCNTs possessed excellent uranium adsorption capacity (194.17 mg g−1) with a wide range of pH values (> 2) and short adsorption equilibrium time (10 min). The isotherm models revealed that the U(VI) adsorption mechanism of PS-MWCNTs mainly belonged to chemical adsorption. Furthermore, the XPS analysis showed that the main forces between uranium ions and PS-MWCNTs were attributed to the phosphoryl functional groups.

AB - A novel and efficient sorbent: phosphoryl multiwalled carbon nanotubes (PS-MWCNTs) were synthesized by modifying MWCNTs with phosphoryl functional groups. PS-MWCNTs possessed excellent uranium adsorption capacity (194.17 mg g−1) with a wide range of pH values (> 2) and short adsorption equilibrium time (10 min). The isotherm models revealed that the U(VI) adsorption mechanism of PS-MWCNTs mainly belonged to chemical adsorption. Furthermore, the XPS analysis showed that the main forces between uranium ions and PS-MWCNTs were attributed to the phosphoryl functional groups.

KW - Adsorption

KW - MWCNTs

KW - Phosphoryl

KW - Uranium

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U2 - 10.1007/s10967-018-5761-0

DO - 10.1007/s10967-018-5761-0

M3 - Article

AN - SCOPUS:85042355681

SN - 0236-5731

VL - 316

SP - 397

EP - 409

JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

IS - 1

ER -

Uranyl ion adsorption studies on synthesized phosphoryl functionalised MWCNTs: a mechanistic approach

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