Aqueous dispersion of an oil soluble demulsifier for...

Details Aqueous dispersion of an oil soluble demulsifier for... Aqueous dispersion of an oil soluble demulsifier for...

B - Operations, Transporting

01

D

B01D 17/05 (2006.01) C09K 3/00 (2006.01) C10G 33/04 (2006.01)

Patent

CA 2288145

Demulsification of a water-in-oil, especially a water-in-crude oil, emulsion is effected by contacting it with an aqueous composition having at least one oil--soluble demulsifier and at least one water-soluble surfactant. These aqueous formulations are advantageous over conventional organic formulations of demulsifiers, as the need for toxic and/or flammable/combustible organic solvents is eliminated.

On effectue la rupture d'une émulsion eau-dans-huile, particulièrement une émulsion eau-dans-huile brute, par mise en contact de cette émulsion avec une composition aqueuse contenant au moins un désémulsionneur soluble dans l'huile et au moins un tensioactif soluble dans l'eau. Ces formulations aqueuses sont avantageuses par rapport à des formulations organiques classiques de désémulsionneurs, étant donné qu'elles permettent d'éliminer la nécessité d'utiliser des solvants organiques toxiques et/ou inflammables ou combustibles.

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