Arsenic removal method

Mineral oils: processes and products – Refining – Metal contaminant removal

Patent

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Details

208 11R, C06

Patent

active

044540272

ABSTRACT:
Aqueous and organic fluids which contain arsenic are contacted with spent oil shale from an oil shale retorting operation and separated therefrom, yielding a fluid of reduced arsenic content. In one embodiment, shale oil is placed in contact with spent oil shale under conditions of elevated temperature and pressure to reduce the arsenic content of the oil.

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