Process for removing heavy metal compounds from heavy crude oil
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United States of America Patent
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Aug 20, 1991
Grant Date -
N/A
app pub date -
Jul 12, 1989
filing date -
Jul 12, 1989
priority date (Note) -
Expired
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Abstract
A process is provided for removing heavy metal compounds from heavy crude oil by mixing the heavy crude oil with tar sand; preheating the mixture to a temperature of about 650.degree. F.; heating said mixture to up to 800.degree. F.; and separating tar sand from the light oils formed during said heating. The heavy metals removed from the heavy oils can be recovered from the spent sand for other uses.
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