New photocatalytic materials obtained from the recycling of alkaline and Zn/C spent batteries | Zendy

Lorena Alcaraz | Zendy; Irene García-Díaz | Zendy; Laura González | Zendy; M.E. Rabanal | Zendy; A. Urbieta | Zendy; Paloma Fernández | Zendy; Félix A. López | Zendy

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New photocatalytic materials obtained from the recycling of alkaline and Zn/C spent batteries

Author(s) -

Lorena Alcaraz,

Irene García-Díaz,

Laura González,

M.E. Rabanal,

A. Urbieta,

Paloma Fernández,

Félix A. López

Publication year - 2019

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2019.04.020

Subject(s) - rhodamine b , stoichiometry , raman spectroscopy , photocatalysis , methylene blue , degradation (telecommunications) , materials science , nuclear chemistry , diffraction , chemistry , organic chemistry , catalysis , optics , telecommunications , physics , computer science

Several phases with variable stoichiometry ZnxMn3−xO4 (with x = 0.25, 0.85 and 1) and ZnO have been obtained from the black mass, a widely generated residue of wasted alkaline batteries. The obtained samples have been characterized by X-ray diffraction (XRD) and Raman spectroscopy showing results consistent with the stoichiometry obtained from chemical analysis. The study of the degradation of methylene blue (MB) and rhodamine B (RhB) under UV radiation demonstrates the photocatalytic behavior in all samples obtained, reaching degradation percentages higher than 70% and 50%, respectively.

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