Multifunctional antifoulant compositions and methods of use...

Details Multifunctional antifoulant compositions and methods of use... Multifunctional antifoulant compositions and methods of use...

C - Chemistry, Metallurgy

23

F

31/34

C23F 11/10 (2006.01) C10G 7/10 (2006.01) C10G 9/16 (2006.01) C23F 15/00 (2006.01)

Patent

CA 1338461

Multifunctional process antifoulant compositions and meth- ods are disclosed. The compositions comprise (1) a polyalkenylthio- phosphonic acid or ester thereof, and at least one additional anti- fouling component selected from the groups (2), (3) and (4) wherein (2) is an effective antioxidant compound adapted to inhibit oxygen based polymerization of said hydrocarbon or petrochemical, (3) is a corrosion inhibiting compound, and (4) is a metal deactivator. The process comprises adding from about 0.5-10,000 parts of the combina- tion of (1) and additional antifoulant component(s) to the particu- lar petrochemical or hydrocarbon for which multifunctional antifoul- ing protection is desired.

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