This article is protected by copyright. All rights reserved Article Aggregate Structures Formed by Hyperbranched Functionalized Polyethylene (HBfPE) Treatment of Oil Sands Tailings † Allan D. Costine, 1 Vahid Vajihinejad, 2* Linda Botha, 2 Phillip D. Fawell 1 and João B. P. Soares 2 1 CSIRO Mineral Resources, P.O. Box 7229, Karawara, WA 6152, Australia 2 Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 2V4, Canada *Corresponding author E-mail address: vajihine@ualberta.ca (V. Vajihinejad) † 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.23287] Received 6 March 2018; Revised 3 May 2018; Accepted 11 May 2018 The Canadian Journal of Chemical Engineering This article is protected by copyright. All rights reserved DOI 10.1002/cjce.23287 Accept e d Article