Method for processing oil sand bitumen
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United States of America Patent
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Issued Date -
Jun 7, 2007
app pub date -
Sep 19, 2006
filing date -
Dec 7, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to a method for processing oil sand bitumen including solvent deasphalting and visbreaking oil sand bitumen to yield de-oiled asphalt (DOA) and components capable of being transmitted in pipeline. The method for processing oil sand bitumen provided by this invention can effectively transmit oil sand bitumen in pipeline with the advantages of simple operation low equipment cost and significantly reduced operating cost. This method not only can solve the problems arising from enormous working capital required for purchasing diluting agent needed by the traditional unit for processing oil sand bitumen and complications in looking for users, but also can drastically reduce the high investment and high processing cost of such main upgrading avenues as coking and converting heavy oils to light distillates. This invention can enhance the effective products yield and increase the sales income. This method for processing oil sand bitumen can make the recovery of sulfur contained therein by means of the downstream processes easier to significantly reduce the sulfur recovery cost and ensure compliance with the pollutants emission standard.
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