Method for separating a feed material containing immiscible phases of different densities
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United States of America Patent
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May 1, 2018
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N/A
app pub date -
Sep 11, 2017
filing date -
Nov 2, 2010
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Abstract
A solvent diluted bitumen is produced by a method that includes adding paraffinic solvent to bitumen froth to form a solvent diluted bitumen froth, and discharging the solvent diluted bitumen froth into a vessel, such that settlement of the solvent diluted bitumen froth in the interior of the vessel establishes a heavier phase zone, a lighter phase zone, and an interface. A discharge point is located above the interface and within the lighter phase zone. Lighter phases separate up toward an overflow outlet of the vessel while heavier phases separate down toward an underflow outlet of the vessel. The solvent diluted bitumen is collected from the overflow outlet, and a solvent diluted underflow stream is collected from the underflow outlet.
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