Method of breaking a water-in-oil emulsion

Details Method of breaking a water-in-oil emulsion Method of breaking a water-in-oil emulsion

C - Chemistry, Metallurgy

10

G

134/54, 204/99.0

C10G 33/00 (2006.01) C10G 33/04 (2006.01) C10G 33/06 (2006.01)

Patent

CA 1223791

-1- Abstract: A method is described for breaking a water-in-crude oil emulsion. A crude oil feedstock is tangentially injected into the upper portion of a vortex chamber operating on the vortex principle with the emulsion rotating within the chamber and the velocity of the emulsion increasing toward the center of the vortex whereby concentric layers of emulsion having different tangential velocities apply shear stresses to the dis- persed water in the crude oil causing the interfacial film between the water and the oil to rupture. This enables chemical demulsifiers, added prior to the vortex operation, to act more quickly and efficiently. There- after, the dewatering of the crude oil is easily accomplished by usual methods.

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