Separation of hydrocarbons from tar sands froth
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United States of America Patent
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-
Mar 10, 1987
Grant Date -
N/A
app pub date -
Aug 30, 1985
filing date -
Aug 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process suitable for separating the hydrocarbon fraction from a tar sands froth is provided. The process comprises heating a fluid stream comprising the froth to above about 300.degree. C., pressurizing the stream to above about 1000 psig and separating the hydrocarbon fraction, having less than 1 percent solids and less than 5 percent water, from the treated stream. Separation is preferably by gravitational settling in a settler and occurs substantially instantaneously. The heat/pressure treatment can be optionally followed by addition of a diluent, such as naphtha. The pressure is preferably produced by the hydrostatic head of a column of froth.
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