Purification process for bitumen froth
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United States of America Patent
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Aug 22, 1989
Grant Date -
N/A
app pub date -
Feb 1, 1988
filing date -
Feb 1, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Bitumen froth is treated in a circuit comprising a plurality of serially connected mixer and inclined plate settler units. A light hydrocarbon diluent moves countercurrently through the circuit. Thus, as the bitumen content of the stream being settled diminishes, the concentration of diluent in that stream increases.
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