This article is protected by copyright. All rights reserved 1 Article Monitoring Tailings Flocculation Performance Using Hyperspectral Imagery † Iman Entezari, a,* Benoit Rivard, a Vahid Vajihinejad, b Ward G. Wilson, c João B. P. Soares, b Bereket Fisseha, c Nicholas Beier c a Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB, Canada b Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, Canada c Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, Canada * Corresponding author: Tel: 780-6803549; e-mail: entezari@ualberta.ca † This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: [10.1002/cjce.23493] Revised 14 June 2018; Revised 9 November 2018; Accepted 4 December 2018 The Canadian Journal of Chemical Engineering This article is protected by copyright. All rights reserved DOI 10.1002/cjce.23493