Demetalation of hydrocarbonaceous feedstocks using sulfuric acid

Details Demetalation of hydrocarbonaceous feedstocks using sulfuric acid Demetalation of hydrocarbonaceous feedstocks using sulfuric acid

1995-06-06

1997-01-14

Myers, Helane

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, C10G 1708, C10G 1709

Patent

active

055935737

ABSTRACT:
Sulfuric acids or salts thereof are used to remove metals, particularly organically-bound calcium, from hydrocarbonaceous feedstocks. An aqueous solution of the acid or its salts is used to extract the metals from the feedstock prior to processing.

REFERENCES:
patent: 2778777 (1957-01-01), Powell
patent: 3622505 (1969-12-01), Tilley
patent: 4645589 (1985-10-01), Krambeck et al.
patent: 4705622 (1987-11-01), Siskin
patent: 4980433 (1991-01-01), Reynolds et al.

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