Use of selected inhibitors against the formation of solid...

Details Use of selected inhibitors against the formation of solid... Use of selected inhibitors against the formation of solid...

C - Chemistry, Metallurgy

10

L

C10L 10/04 (2006.01) B08B 17/00 (2006.01) C09K 8/524 (2006.01) C10G 9/16 (2006.01) C10L 1/14 (2006.01) C10L 1/224 (2006.01) C10L 1/26 (2006.01) E21B 37/06 (2006.01) F17D 1/17 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01)

Patent

CA 2126968

A method is provided herein for inhibiting the formation of solid hydrocarbon incrustations from hydrocarbon mixtures which are fluid and prone to form such incrustations. The method includes the step of contacting the hydrocarbon mixtures with an inhibitor mixture comprising esters of phosphoric acid or salts thereof and alkoxylated aliphatic alcohols, alkoxylated cycloaliphatic alcohols or alkoxylated aromatic alcohols, and fatty acid oligo-dialkanolamides. These inhibitor mixtures preferably have a surface-active character and are capable of wetting, and especially of spreading on, solid work material surfaces in the presence of the fluid hydrocarbon. These inhibitors are especially useful for the protection of pipelines, pumps, filters, tanks and metal surfaces against the formation of incrustations thereon.

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