Impact of fine solids on mined Athabasca oil sands extraction I. Floatability of fine solids

Impact of fine solids on mined Athabasca oil sands extraction I. Floatability of fine solids

Understanding the mechanisms by which fine solids are recovered to bitumen froth during oil sands extraction plays a critical role in minimizing the detrimental effect of fines on bitumen recovery and froth quality. A simple method was presented in this study to distinguish fine solids recovery by w...

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Veröffentlicht in:Canadian journal of chemical engineering 2017-01, Vol.95 (1), p.111-119
Hauptverfasser: Zhou, Zoe A., Li, Haihong, Chow, Ross, Adeyinka, Olusola B., Xu, Zhenghe, Masliyah, Jacob
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Bitumens
Clay
Clays
Dispersion
Dispersions
Dodecylamine
Entrainment
Extraction
Flotation
Kaolinite
Oil sands
Particle size
Recovery
silica
Silicon dioxide
Slurries
wettability
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Zusammenfassung:Understanding the mechanisms by which fine solids are recovered to bitumen froth during oil sands extraction plays a critical role in minimizing the detrimental effect of fines on bitumen recovery and froth quality. A simple method was presented in this study to distinguish fine solids recovery by water entrainment from that by true flotation. Dispersed air flotation was carried out, using a 1‐L Denver flotation cell, to evaluate flotation behaviours of different sizes and types of fine solids (
ISSN:0008-4034
1939-019X
DOI:10.1002/cjce.22557