@conference {53514,
	title = {Residual bitumen and flocculation: Do we understand its effects?},
	year = {2013},
	note = {IN: Tailings and Mine Waste {\textquoteright}13.  Proceedings of the Seventeenth International Conference on Tailings and Mine Waste. November 3-6, 2013. Banff, Alberta.  Wilson G.W. D.C. Sego and N.A. Beier (Editors).  University of Alberta Geotechnical Center. Edmonton, Alberta. },
	month = {11/2013},
	publisher = { University of Alberta Geotechnical Center },
	organization = { University of Alberta Geotechnical Center },
	address = {Edmonton, AB },
	abstract = {Thickening of tailings is gaining importance as a way of treating the fines gener-ated from oil sands bitumen extraction. During the extraction process, some residual bitumen is left with the tailings. It is not well understood whether the presence of this residual bitumen is beneficial or detrimental to the flocculation of the tailings. In this study, we investigated the ef-fect of residual bitumen attached to the fines on flocculation. We found an optimal residual bi-tumen concentration. Despite the limited data, it seems that the optimal ratio of residual bitu-men to solids is in the vicinity of 0.01. The physical meaning of this ratio is yet to be understood.},
	keywords = {geotechnical properties, hydrocarbon, laboratory, PAH, tailings, tailings treatment, VOC},
	author = {Carreras, E.S. and Passade-Boupat, N. and Bourrel, M. and Sedgwick, A. and Yang, X. and Junaid, A.}
}
