Refinery anti-foulant-asphaltene dispersant

Details Refinery anti-foulant-asphaltene dispersant Refinery anti-foulant-asphaltene dispersant

C - Chemistry, Metallurgy

10

G

C10G 29/24 (2006.01)

Patent

CA 2066397

ABSTRACT An asphalt or asphaltene refinery anti-foulant technique comprising the use in crude oil, or crude oil fraction, streams of alkyl-substituted phenol formaldehyde liquid resins in combination with hydrophilic-lipophilic vinylic polymers. The polymeric anti- foulant is added to asphalt or asphaltene containing crude oil streams to prevent fouling of metallic, or other, i.e. ceramic, surfaces, especially heat transfer surfaces.

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