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NiO/nanoporous carbon heterogeneous Fenton catalyst for aqueous microcystine-LR decomposition

Jo, W-K; Karthikeyan, S; Isaacs, MA; Lee, AF; Wilson, K; Shin, S-H; Lee, J-H; ... Sekaran, G; + view all (2017) NiO/nanoporous carbon heterogeneous Fenton catalyst for aqueous microcystine-LR decomposition. Journal of the Taiwan Institute of Chemical Engineers , 74 pp. 289-295. 10.1016/j.jtice.2017.02.024. Green open access

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Abstract

The efficacy of NiO nanoparticles dispersed on a nanoporous carbon matrix (NiO/NPC) for microcystine-LR degradation in aqueous media is reported. The NiO/NPC catalyst was characterized by porosimetry, scanning electron microscopy, elemental analysis, powder X-ray diffraction, and X-ray photoelectron spectroscopy, and applied to the oxidative degradation of microcystine-LR contaminated water in the presence of hydrogen peroxide as a function of pH under ambient conditions. Optimal MC-LR removal efficiency was 86 % at neutral pH catalyzed by this heterogeneous Fenton-like (NiO/NPC with H2O2) process, which has the added benefit of avoiding secondary metal pollution during microcystine–LR degradation. NiO/NPC represents an earth abundant catalyst for generating hydroxyl radicals to facilitate environmental depollution of organic pollutants from wastewater.

Type: Article
Title: NiO/nanoporous carbon heterogeneous Fenton catalyst for aqueous microcystine-LR decomposition
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jtice.2017.02.024
Publisher version: https://doi.org/10.1016/j.jtice.2017.02.024
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Nickel; Carbon; Heterogeneous catalyst; Oxidation; Microcystine–LR
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/10067811
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