Photocatalytic Removal of U(VI) from Wastewater via Synergistic Carbon-Supported Zero-Valent Iron Nanoparticles and S. Putrefaciens

Shuhong Xiang; Wencai Cheng; Fangting Chi; Xiaoqin Nie; Tasawar Hayat; Njud S. Alharbi

doi:10.1021/acsanm.9b01581

Photocatalytic Removal of U(VI) from Wastewater via Synergistic Carbon-Supported Zero-Valent Iron Nanoparticles and S. Putrefaciens

Shuhong Xiang
, Wencai Cheng
, Fangting Chi
, Xiaoqin Nie
, Tasawar Hayat
, Njud S. Alharbi

Southwest University of Science and Technology
Quaid-I-Azam University
Faculty of Sciences, King Abdulaziz University

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

27 Scopus citations

Abstract

In this study, nanoscale zero-valent iron (nZVI) particles were synthesized on fullerene, carbon nanotubes, and graphene to use with S. putrefaciens for U(VI) reduction under light conditions. Of the three composites, the nZVI-carbon nanotube (nZVI-CNT) composites removed the highest amount of U(VI) of 1210.9 mg/g. The nZVI-CNT composites and S. putrefaciens exhibited a synergistic effect on U(VI) reduction under light conditions. X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) results revealed the presence of U(IV) species on the reacted bio-nZVI-CNT. S. putrefaciens might decrease the interfacial energy barrier of the photocatalytic reduction process in the bio-nZVI-CNT system. This work highlights the enhanced U(VI) removal capacity of the complex nZVI-CNT and electricigen hybrid system and provides a promising strategy for wastewater treatment.

Original language	English
Pages (from-to)	1131-1138
Number of pages	8
Journal	ACS Applied Nano Materials
Volume	3
Issue number	2
DOIs	https://doi.org/10.1021/acsanm.9b01581
State	Published - 28 Feb 2020
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 6 Clean Water and Sanitation

Keywords

carbon nanotube
electron transfer
photocatalytic reduction
semiconducting Fe oxide surfaces
zero-valent iron

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10.1021/acsanm.9b01581

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title = "Photocatalytic Removal of U(VI) from Wastewater via Synergistic Carbon-Supported Zero-Valent Iron Nanoparticles and S. Putrefaciens",

abstract = "In this study, nanoscale zero-valent iron (nZVI) particles were synthesized on fullerene, carbon nanotubes, and graphene to use with S. putrefaciens for U(VI) reduction under light conditions. Of the three composites, the nZVI-carbon nanotube (nZVI-CNT) composites removed the highest amount of U(VI) of 1210.9 mg/g. The nZVI-CNT composites and S. putrefaciens exhibited a synergistic effect on U(VI) reduction under light conditions. X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) results revealed the presence of U(IV) species on the reacted bio-nZVI-CNT. S. putrefaciens might decrease the interfacial energy barrier of the photocatalytic reduction process in the bio-nZVI-CNT system. This work highlights the enhanced U(VI) removal capacity of the complex nZVI-CNT and electricigen hybrid system and provides a promising strategy for wastewater treatment.",

keywords = "carbon nanotube, electron transfer, photocatalytic reduction, semiconducting Fe oxide surfaces, zero-valent iron",

author = "Shuhong Xiang and Wencai Cheng and Fangting Chi and Xiaoqin Nie and Tasawar Hayat and Alharbi, \{Njud S.\}",

note = "Publisher Copyright: Copyright {\textcopyright} 2020 American Chemical Society.",

year = "2020",

month = feb,

day = "28",

doi = "10.1021/acsanm.9b01581",

language = "English",

volume = "3",

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TY - JOUR

T1 - Photocatalytic Removal of U(VI) from Wastewater via Synergistic Carbon-Supported Zero-Valent Iron Nanoparticles and S. Putrefaciens

AU - Xiang, Shuhong

AU - Cheng, Wencai

AU - Chi, Fangting

AU - Nie, Xiaoqin

AU - Hayat, Tasawar

AU - Alharbi, Njud S.

PY - 2020/2/28

Y1 - 2020/2/28

N2 - In this study, nanoscale zero-valent iron (nZVI) particles were synthesized on fullerene, carbon nanotubes, and graphene to use with S. putrefaciens for U(VI) reduction under light conditions. Of the three composites, the nZVI-carbon nanotube (nZVI-CNT) composites removed the highest amount of U(VI) of 1210.9 mg/g. The nZVI-CNT composites and S. putrefaciens exhibited a synergistic effect on U(VI) reduction under light conditions. X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) results revealed the presence of U(IV) species on the reacted bio-nZVI-CNT. S. putrefaciens might decrease the interfacial energy barrier of the photocatalytic reduction process in the bio-nZVI-CNT system. This work highlights the enhanced U(VI) removal capacity of the complex nZVI-CNT and electricigen hybrid system and provides a promising strategy for wastewater treatment.

AB - In this study, nanoscale zero-valent iron (nZVI) particles were synthesized on fullerene, carbon nanotubes, and graphene to use with S. putrefaciens for U(VI) reduction under light conditions. Of the three composites, the nZVI-carbon nanotube (nZVI-CNT) composites removed the highest amount of U(VI) of 1210.9 mg/g. The nZVI-CNT composites and S. putrefaciens exhibited a synergistic effect on U(VI) reduction under light conditions. X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) results revealed the presence of U(IV) species on the reacted bio-nZVI-CNT. S. putrefaciens might decrease the interfacial energy barrier of the photocatalytic reduction process in the bio-nZVI-CNT system. This work highlights the enhanced U(VI) removal capacity of the complex nZVI-CNT and electricigen hybrid system and provides a promising strategy for wastewater treatment.

KW - carbon nanotube

KW - electron transfer

KW - photocatalytic reduction

KW - semiconducting Fe oxide surfaces

KW - zero-valent iron

UR - https://www.scopus.com/pages/publications/85078981315

U2 - 10.1021/acsanm.9b01581

DO - 10.1021/acsanm.9b01581

M3 - Article

AN - SCOPUS:85078981315

SN - 2574-0970

VL - 3

SP - 1131

EP - 1138

JO - ACS Applied Nano Materials

JF - ACS Applied Nano Materials

IS - 2

ER -

Photocatalytic Removal of U(VI) from Wastewater via Synergistic Carbon-Supported Zero-Valent Iron Nanoparticles and S. Putrefaciens

Abstract

UN SDGs

Keywords

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