Accepted Manuscript Accelerated decantation of biodiesel–glycerol mixtures: Optimization of a crit- ical stage in biodiesel biorefinery Aifia Noureddin, Mohmmad Mahdi A. Shirazi, Joumana Tofeily, Pezhman Kazemi, Elahe Motaee, Ali Kargari, Mostafa Mostafaei, Mandana Akia, Tayssir Hamieh, Meisam Tabatabaei PII: S1383-5866(14)00294-9 DOI: http://dx.doi.org/10.1016/j.seppur.2014.05.011 Reference: SEPPUR 11758 To appear in: Separation and Purification Technology Received Date: 3 December 2013 Revised Date: 6 May 2014 Accepted Date: 11 May 2014 Please cite this article as: A. Noureddin, M.M.A. Shirazi, J. Tofeily, P. Kazemi, E. Motaee, A. Kargari, M. Mostafaei, M. Akia, T. Hamieh, M. Tabatabaei, Accelerated decantation of biodiesel–glycerol mixtures: Optimization of a critical stage in biodiesel biorefinery, Separation and Purification Technology (2014), doi: http://dx.doi.org/ 10.1016/j.seppur.2014.05.011 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.