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Effect of Salt on the Flocculation Behavior of Nano Particles in Oil Sands Fine Tailings
Clays and clay minerals
Currently, two commercial plants, operating in the Athabasca region of Alberta, produce approximately 20 percent of Canada's petroleum requirements from oil sands. Surface mined oil sand is treated in a water based separation process that yields large volumes of clay tailings with poor settling and compaction characteristics. Clay particles, suspended in the pond water, interact with salts, dissolved from the oil sands ore, to produce mature fine tailings (MFT) containing only 20 to 50 w/w%doi:10.1346/ccmn.1996.0440111 fatcat:6df54td4sjem3hxpr75bsnchcy