Heavy Metal Removal from Wastewater by a Polypyrrole-derived N-doped Carbon Nanotube Decorated with Fish Scale-like Molybdenum Disulfide Nanosheets
Haitao Zhang, Xin Ding, Shitao Wang, Yan Huang, Xiao-Fei Zeng, Srihari Maganti, Qinglong Jiang, Mina Huang, Zhanhu Guo and Dapeng Cao
1State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
2Advanced Materials Division, Engineered Multifunctional Composites (EMC) Nanotech LLC, Knoxville, TN, 37934, USA
3Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN, 37996, USA
4Department of Chemistry and Physics, University of Arkansas, Pine Bluff, Arkansas, 71601, USA
# Equally contributed to this work.
Abstract
Lead, duo to its toxicity, non-biodegradability and carcinogenicity, has huge harm to the environment and living beings. Therefore, developing an environmentally friendly material to remove lead from wastewater is of extraordinary significance for the health of human and other creatures. Here, we synthesized a novel N-doped carbon nanotube (derived from polypyrrole precursor) decorated with fish scale-like molybdenum disulfide nanosheet (C-PPy@MoS2) by high temperature hydrothermal reaction and further explored the practical application for removal of Pb(II) from wastewater. Owing to the fish scale-like structure, the C-PPy@MoS2 showed a maximum Pb(II) removal capacity of 381.87 mg/g, which is 50 times higher than that of the C-PPy nanotube without MoS2 decoration. By one-time filtration removal experiment, it is found that the Pb(II) in the solution after filtration can be almost removed completely, which suggests that the C-PPy@MoS2 is an extremely promising adsorbate for the efficient removal of Pb(II) from wastewater.
Publication details
Received: 20 Jan 2022
Revised: 12 Feb 2022
Accepted: 13 Feb 2022
Published online: 16 Feb 2022
Article type:
Research Paper
DOI:
10.30919/es8d649
Volume:
18
Page:
320-328
Citation:
Engineered Science, 2022, 18, 320-328
Permissions:
Copyright
Number of downloads:
8970
Citation Information:
21
Description:
A novel N-doped carbon nanotube decorated with fish scale-like MoS2 nanosheet is synthesized and it ....
A novel N-doped carbon nanotube decorated with fish scale-like MoS2 nanosheet is synthesized and it exhibits outstanding Pb(II) removal ability from wastewater due to the fish scale-like structure.
Supplementary Information:
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