Use of morpholine neutralized phosphate and thiophosphate...

Details Use of morpholine neutralized phosphate and thiophosphate... Use of morpholine neutralized phosphate and thiophosphate...

C - Chemistry, Metallurgy

10

G

196/68

C10G 9/16 (2006.01) C10G 9/14 (2006.01)

Patent

CA 1205768

ABSTRACT OF THE DISCLOSURE An improved method of reducing fouling and corrosion in ethylene cracking furnaces using petroleum feedstocks, comprising treating the petroleum feedstock with at least 10 ppm of a compound chosen from the group consisting of phosphite esters, phosphate esters, thiophosphite esters, thiophosphate esters and mixtures thereof, said esters being characterized by the formulae: Image and where X represents S or O, and R1, R2, and R3, are each independently selected from the group consisting of hydrogen, morpholine, alkyl, aryl, alkaryl, cycloaklyl, alkenyl, and aralkyl provided that at least one, and not more than two, of each of R1, R2, and R3 are morpholine.

431917

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