Mono and di organophosphite esters as crude oil antifoulants

Details Mono and di organophosphite esters as crude oil antifoulants Mono and di organophosphite esters as crude oil antifoulants

1975-11-20

1977-05-17

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

203 6, 203 7, 203 8, 203 50, 208348, 252400A, 2606665, C10G 916, C10L 126, C23F 1402, B01D 334

Patent

active

040240495

ABSTRACT:
Thio-phosphate and -phosphite mono- and di-esters in small amounts function as antifoulant additives in crude oil systems employed as feedstocks in petroleum refining which are subjected to elevated temperatures of from about 100.degree. to 1500.degree. F and which are prone to produce material that deposits and accumulates upon the surfaces of petroleum processing equipment, such as heat transfer equipment and the like. Such additives not only inhibit and suppress fouling but also reduce fouling in previously fouled refining systems.

REFERENCES:
patent: 3218137 (1965-11-01), Belo et al.
patent: 3222145 (1965-12-01), Belo et al.
patent: 3396183 (1968-08-01), Brasch
patent: 3513094 (1970-05-01), Farmer et al.
patent: 3558470 (1971-01-01), Gillespie et al.
patent: 3647677 (1972-03-01), Wolff et al.

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