Journal Pre-proof Recovery of gallium from waste LEDs by oxidation and subsequent leaching M. Maarefvand, S. Sheibani, F. Rashchi PII: S0304-386X(19)30546-8 DOI: https://doi.org/10.1016/j.hydromet.2019.105230 Reference: HYDROM 105230 To appear in: Hydrometallurgy Received date: 17 June 2019 Revised date: 30 November 2019 Accepted date: 17 December 2019 Please cite this article as: M. Maarefvand, S. Sheibani and F. Rashchi, Recovery of gallium from waste LEDs by oxidation and subsequent leaching, Hydrometallurgy(2019), https://doi.org/10.1016/j.hydromet.2019.105230 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier.