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Type: Journal article
Title: Iron encapsulated in 3D N-doped carbon nanotube/porous carbon hybrid from waste biomass for enhanced oxidative activity
Author: Yao, Y.
Zhang, J.
Wu, G.
Wang, S.
Hu, Y.
Su, C.
Xu, T.
Citation: Environmental Science and Pollution Research, 2017; 24(8):7679-7692
Publisher: Springer-Verlag
Issue Date: 2017
ISSN: 0944-1344
Statement of
Yunjin Yao, Jie Zhang, Guodong Wu, Shaobin Wang, Yi Hu, Cong Su, Tongwen Xu
Abstract: Novel iron encapsulated in nitrogen-doped carbon nanotubes (CNTs) supported on porous carbon (Fe@N-C) 3D structured materials for degrading organic pollutants were fabricated from a renewable, low-cost biomass, melamine, and iron salt as the precursors. SEM and TEM micrographs show that iron encapsulated bamboo shaped CNTs are vertically standing on carbon sheets, and thus, a 3D hybrid was formed. The catalytic activities of the prepared samples were thoroughly evaluated by activation of peroxymonosulfate for catalytic oxidation of Orange II solutions. The influences of some reaction conditions (pH, temperature, and concentrations of reactants, peroxymonosulfate, and dye) were extensively evaluated. It was revealed that the adsorption could enrich the pollutant which was then rapidly degraded by the catalytically generated radicals, accelerating the continuous adsorption of residual pollutant. Remarkable carbon structure, introduction of CNTs, and N/Fe doping result in promoted adsorption capability and catalytic performances. Due to the simple synthetic process and cheap carbon precursor, Fe@N-C 3D hybrid can be easily scaled up and promote the development of Fenton-like catalysts.
Keywords: Fenton-like reaction; carbon nanotube; biomass; radical reaction; organic pollutants
Rights: © Springer-Verlag Berlin Heidelberg 2017
DOI: 10.1007/s11356-017-8440-8
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Appears in Collections:Aurora harvest 3
Chemical Engineering publications

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