Lignite ash: Waste material or potential resource - Investigation of metal recovery and utilization options Ren´ e Kermer, Sabrina Hedrich, S¨ oren Bellenberg, Beate Brett, Daniel Schrader, Petra Sch¨ onherr, Martin K¨ opcke, Karsten Siewert, Nils G¨ unther, Tilman Gehrke, Wolfgang Sand, Konstantin R¨ auchle, Martin Bertau, Ger- hard Heide, Lars Weitk¨ amper, Hermann Wotruba, Horst-Michael Ludwig, Roswitha Partusch, Axel Schippers, Susan Reichel, Franz Glombitza, Eber- hard Janneck PII: S0304-386X(16)30411-X DOI: doi: 10.1016/j.hydromet.2016.07.002 Reference: HYDROM 4397 To appear in: Hydrometallurgy Received date: 29 February 2016 Revised date: 22 June 2016 Accepted date: 5 July 2016 Please cite this article as: Kermer, Ren´ e, Hedrich, Sabrina, Bellenberg, S¨oren, Brett, Beate, Schrader, Daniel, Sch¨onherr, Petra, K¨opcke, Martin, Siewert, Karsten, G¨ unther, Nils, Gehrke, Tilman, Sand, Wolfgang, R¨ auchle, Konstantin, Bertau, Martin, Heide, Gerhard, Weitk¨ amper, Lars, Wotruba, Hermann, Ludwig, Horst-Michael, Partusch, Roswitha, Schippers, Axel, Reichel, Susan, Glombitza, Franz, Janneck, Eberhard, Lig- nite ash: Waste material or potential resource - Investigation of metal recovery and utilization options, Hydrometallurgy (2016), doi: 10.1016/j.hydromet.2016.07.002 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. 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.