Demetalation of hydrocarbonaceous feedstocks using hydroxo-carbo

Details Demetalation of hydrocarbonaceous feedstocks using hydroxo-carbo Demetalation of hydrocarbonaceous feedstocks using hydroxo-carbo

1986-08-28

1988-12-06

Dees, Carl F.

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, 208253, 585833, C10G 1700

Patent

active

047894636

ABSTRACT:
A process is disclosed for removing metals contaminants, particularly iron, and more particularly non-porphyrin, organically-bound iron compounds, from hydrocarbonaceous feedstock, particularly crude petroleum or residua. The process comprises mixing the feedstock with an aqueous solution of hydroxo-carboxylic acids or salts thereof, preferably citric acid, and separating the aqueous solution and metals from the demetalated feedstock.

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