Method of inhibiting propionic acid corrosion in distillation un

Details Method of inhibiting propionic acid corrosion in distillation un Method of inhibiting propionic acid corrosion in distillation un

1984-09-07

1987-03-03

Doll, John

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention of corrosion or erosion in system

564479, 208347, C10G 710

Patent

active

046473661

ABSTRACT:
The present invention is directed to the use of a reaction product of an alkynediol and a polyalkylene polyamine to control corrosion of metallic surfaces in contact with a substantially anhydrous elevated temperature mixture of a hydrocarbon and propionic acid. The method is particularly useful in controlling the corrosion of overheads in a crude unit of a refinery where problems of this nature are prevalent.

REFERENCES:
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patent: 2220138 (1940-11-01), Wood
patent: 2238201 (1941-04-01), Wilson et al.
patent: 3152187 (1964-10-01), Coyne et al.
patent: 3211667 (1965-10-01), Coyne et al.
patent: 3320318 (1967-05-01), Riggs et al.
patent: 3458453 (1969-07-01), Kautsky
patent: 3790496 (1974-02-01), Hausler
patent: 3819328 (1974-06-01), Go
Gruse and Stevens, The Chemical Technology of Petroleum, p. 94, 2nd Ed. (1942), McGraw-Hill Book Co.

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