Demetalation of hydrocarbonaceous feedstocks using amino-carboxy

Details Demetalation of hydrocarbonaceous feedstocks using amino-carboxy Demetalation of hydrocarbonaceous feedstocks using amino-carboxy

1986-08-28

1988-10-18

Pal, Asok

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, 208309, 423155, 423165, C10G 1700, C10G 2100

Patent

active

047785926

ABSTRACT:
A process is disclosed for the demetalation of organically-bound compounds of Group VIII metals, particularly iron, from hydrocarbonaceous feedstock. In the process, an aqueous solution of amino-carboxylic acid, or salts, particularly EDTA, is used to form complexes with the metals and extract them from the feedstock. The aqueous phase containing the complexed metals contaminants is then separated from the hydrocarbonaceous phase.

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