Mechanical processing of oil sands
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United States of America Patent
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Jul 12, 2016
Grant Date -
Dec 13, 2012
app pub date -
Feb 14, 2011
filing date -
Feb 15, 2010
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Abstract
A method of extracting bitumen from oil sands having a transition temperature at which the oil sands solidify includes forming formable oil sands into pellets and cooling at least a surface of the pellets sufficiently to prevent the pellets from aggregating; cooling the pellets to below the transition temperature; fracturing the pellets to release the bitumen from the oil sands while maintaining the temperature of the pellets below the transition temperature; and separating the bitumen from the oil sands in a separator.
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