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Title: Process for removing heavy metal compounds from heavy crude oil

Patent ·
OSTI ID:867943

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.

Research Organization:
Univ. of Wyoming, Laramie, WY (United States)
DOE Contract Number:
FC21-83FE60177
Assignee:
Western Research Institute (Laramie, WY)
Patent Number(s):
US 5041209
OSTI ID:
867943
Country of Publication:
United States
Language:
English