Oil-soluble composition for removing iron sulfide and sludge fro

Details Oil-soluble composition for removing iron sulfide and sludge fro Oil-soluble composition for removing iron sulfide and sludge fro

1974-09-23

1977-01-18

Weinblatt, Mayer

Compositions

Fluent dielectric

N-containing

252153, 252172, 252 855B, 252 82, 252162, 134 22C, 134 40, C11D 140

Patent

active

040038564

ABSTRACT:
An oil-soluble composition capable of removing iron sulfide and sludge from metal surfaces and a method of such removal of iron sulfide and sludge from metal surfaces in an oil system, the composition comprising:
A. from about 2 to about 15% by weight of a high molecular weight linear diamine;
B. from about 3 to about 20% by weight of acetic acid;
C. from about 20 to about 50% by weight of a low molecular weight ketone ether solvent;
D. from about 1 to about 15% by weight of an alcohol solvent; and
E. from about 20 to about 50% by weight of a heavy aromatic naphtha solvent.
In the method of removing iron sulfide and sludge from the interior metal surfaces in an oil system, the above composition is added to the effluent of the oil system for onstream treatment in an amount effective to remove the iron sulfide and sludge. Generally, the composition is added to the effluent in an amount of from about 1 to about 20 parts per million of effluent.

REFERENCES:
patent: 2356254 (1944-08-01), Lehmann, Jr. et al.
patent: 2700005 (1955-01-01), Klingel, Jr.
patent: 2753939 (1956-07-01), Carpenter et al.
patent: 2888405 (1959-05-01), Fields et al.
patent: 3057804 (1962-10-01), Berkeley et al.
patent: 3167514 (1965-01-01), Baker
patent: 3325310 (1967-06-01), Barusch
B359,946 Jan. 1975, Sutton, 134/40.

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