Processing a hydrocarbon stream using supercritical water
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United States of America Patent
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Nov 29, 2016
Grant Date -
Aug 28, 2014
app pub date -
Sep 11, 2012
filing date -
Nov 8, 2011
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Abstract
A bitumen stream is upgraded by heating to near-critical or super-critical conditions in the stream. The bitumen stream may be from a water-based extraction process, an in situ bitumen recovery process, or a solvent-based bitumen extraction process. To achieve an appropriate feed stream composition, water and/or clay may be added. The clay offers a catalytic effect. To achieve an appropriate feed stream composition, water may alternatively be removed.
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