Removal of copper and iron from oil

Details Removal of copper and iron from oil Removal of copper and iron from oil

1988-04-14

1989-02-28

Sneed, H. M. S.

Mineral oils: processes and products

Refining

Metal contaminant removal

208180, 208181, 208183, 208253, 585853, C10G 2906

Patent

active

048082996

ABSTRACT:
A process for removing copper and/or iron impurities from a liquid hydrocarbon-containing feed comprises contacting the feed with an aqueous treating agent comprising water-soluble alkali metal silicate (in particular sodium silicate) and/or a surfactant, in particular an anionic surfactant.

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patent: 4269698 (1981-05-01), Kreger
patent: 4274943 (1981-06-01), McClaflin
patent: 4325809 (1982-04-01), Bartholic
patent: 4405445 (1983-09-01), Kovach et al.
"A Comprehensive Treatise on Inorganic and Theoretical Chemistry", by J. W. Mellor, vol. VI, 1925, pp. 317-325.
"Encyclopedia of Chemical Technology", by Kirk-Othmer, vol. 20, 1982, pp. 855-876.
"Encyclopedia of Chemical Technology", by Kirk-Othmer, vol. 22, 1983, pp. 332-360.

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