Abstract
It is well known that kaolinite clay platelets can align positive edges with negative faces to build a so called “card-house” structure. Although kaolinite is a major component of oil sands fine tailings or sludge, this idealized structure is unlikely due to the presence of other components. The modification of the ideal card house suggested by Scott et al is more likely to exist in sludge. Freeze fracture preparation and subsequent direct observation of frozen hydrated samples in an electron microscope were used to characterize the morphology and composition of oil sands sludges, in order to directly determine the interactions between the various components. In these cryogenic techniques, the rate of freezing is critical in minimizing the creation of artifacts.
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Schedule a callMore From: Proceedings, annual meeting, Electron Microscopy Society of America
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