Demetalation of hydrocarbonaceous feedstocks using dibasic carbo

Details Demetalation of hydrocarbonaceous feedstocks using dibasic carbo Demetalation of hydrocarbonaceous feedstocks using dibasic carbo

1988-03-07

1989-08-01

Sneed, H. M. S.

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, 208309, 423155, 423165, 585866, C10G 1700

Patent

active

048531090

ABSTRACT:
Dibasic carboxylic acids or salts thereof are used to remove metals, particularly calcium and iron, from hydrocarbonaceous feedstocks. An aqueous solution of the acid is used to extract the metals from the feedstock prior to processing. Oxalic acid is the preferred compound.

REFERENCES:
patent: 2739103 (1956-03-01), Thompson
patent: 2744853 (1956-05-01), Kavanagh
patent: 2767123 (1956-10-01), Hickok et al.

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