Decalcification of hydrocarbonaceous feedstocks using citric aci

Details Decalcification of hydrocarbonaceous feedstocks using citric aci Decalcification of hydrocarbonaceous feedstocks using citric aci

1986-08-28

1988-10-18

Pal, Asok

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, 208309, 423155, 423165, C10G 1700

Patent

active

047785896

ABSTRACT:
A process is disclosed for the removal of metals contaminants, particularly calcium, from hydrocarbonaceous feedstocks. The process comprises mixing the feedstock with an aqueous solution of a metals sequestering agent, particularly hydroxocarboxylic acids, especially citric acid, then salts or mixtures thereof, and separating the aqueous solution containing the metals from the demetalated feedstock.

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