High temperature corrosion inhibitor

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With prevention of corrosion or erosion in system

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208 48AA, 208 48R, C10G 912

Patent

active

056119119

ABSTRACT:
A process for the inhibition of corrosion caused by naphthenic acid and sulfur compounds during the elevated temperature processing of crude oil by use of an aryl containing phosphite compound having one of the structures: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are C.sub.6 to C.sub.12 and at least one R group is an aryl radical.

REFERENCES:
patent: 2899387 (1959-08-01), Fierce et al.
patent: 4842716 (1989-06-01), Kaplan et al.
patent: 5354450 (1994-10-01), Tong et al.

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