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Type: Journal article
Title: Biomass-derived functional porous carbons for adsorption and catalytic degradation of binary micropollutants in water
Author: Tian, W.
Sun, H.
Duan, X.
Zhang, H.
Ren, Y.
Wang, S.
Citation: Journal of Hazardous Materials, 2019; 389:121881-1-121881-9
Publisher: Elsevier
Issue Date: 2019
ISSN: 0304-3894
Statement of
Wenjie Tian, Hongqi Sun, Xiaoguang Duan, Huayang Zhang, Yongxiang Ren, Shaobin Wang
Abstract: The biomass, bottlebrush flower, is exploited for the preparation of functionalized porous carbons by one-pot thermal activation using NaHCO3 and dicyandiamide. An intensified cross-linking effect among the precursors boosts pore (especially mesopore) formation in the pyrolysis process, producing N-doped porous carbons (NPCs) with a large specific surface area (SSA, up to 2025 m2  g-1). The biomass-derived carbon samples turn out to be highly effective in adsorption, and catalytic activation of peroxymonosulfate for degradation of aqueous phenol and p-hydroxybenzoic acid (HBA) in single and binary systems. The effects of N content, porous structure, and trace Ni species on the adsorptive and catalytic behavior of carbon are investigated. It is found that the porous structure plays a more critical role in adsorption than surface N functionality, while the contributions of various reactive species for phenol and HBA degradation are different.
Keywords: Adsorption
Advanced oxidation processes
Functionalized porous carbon
Multicomponent system
Rights: © 2019 Elsevier B.V. All rights reserved.
DOI: 10.1016/j.jhazmat.2019.121881
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Chemical Engineering publications

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