Journal Pre-proof Kinetics of two-step bioleaching of Ni and Co from iron rich- laterite using supernatant metabolites produced by Salinivibrio kushneri as halophilic bacterium Marzieh Hosseini Nasab, Mohammad Noaparast, Hadi Abdollahi, Mohammad Ali Amoozegar PII: S0304-386X(19)30976-4 DOI: https://doi.org/10.1016/j.hydromet.2020.105387 Reference: HYDROM 105387 To appear in: Hydrometallurgy Received date: 30 October 2019 Revised date: 13 May 2020 Accepted date: 29 May 2020 Please cite this article as: M.H. Nasab, M. Noaparast, H. Abdollahi, et al., Kinetics of two-step bioleaching of Ni and Co from iron rich-laterite using supernatant metabolites produced by Salinivibrio kushneri as halophilic bacterium, Hydrometallurgy (2019), https://doi.org/10.1016/j.hydromet.2020.105387 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.