Journal
CHEMICAL ENGINEERING JOURNAL
Volume 393, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2020.124770
Keywords
(photo)Fenton reaction; Heterogeneous catalysis; FeCu oxide bimetallic nanoparticles; Diamond nanoparticles; Natural sunlight irradiation
Categories
Funding
- Fundacion Ramon Areces (XVIII Concurso Nacional para la Adjudicacion de Ayudas a la Investigacion en Ciencias de la Vida y de la Materia, 2016)
- Generalitat Valenciana grupos de investigacion consolidables 2019 [AICO/2019/214]
- Spanish Ministry of Science and Innovation (Severo Ochoa SEV2016)
- Spanish Ministry of Science and Innovation [RTI2018-890237-CO2-1]
- Generalitat Valenciana [Prometeo 2017/083]
- Ministerio de Ciencia, Innovacion y Universidades [RTI2018-099482-A-I00]
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Bimetallic iron and copper oxide nanoparticles (NPs) supported on hydroxylated diamond (D3) exhibits an improved activity for the heterogeneous Fenton phenol degradation under natural or simulated sunlight irradiation with respect to analogous monometallic samples or than analogous FeCu NPs on graphite, activated carbon and P25 TiO2 semiconductor. FeCu/D3 catalyst exhibits good recyclability and stability especially working at pH 6. Overall, the high activity of the Fe20Cu80(0.2 wt%)/D3 catalyst is mainly due to the combination of the high activity of reduced copper species decomposing H2O2 to HO center dot radical, while Fe2+ allows the regeneration of these reduced copper species.
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