Foam control using a fluidized bed of particles

Details Foam control using a fluidized bed of particles Foam control using a fluidized bed of particles

1997-06-25

1999-07-13

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

208108, 208112, 203 20, 95155, 95242, B01D 1902

Patent

active

059221917

ABSTRACT:
A process for suppressing foam formation in a vessel includes the steps of feeding a liquid and a gas to a vessel at a liquid velocity and a gas velocity respectively; adding particles of a solid material to the liquid, the particles having a particle size and particle density; and selecting at least one of the liquid velocity, particle size and particle density so as to fluidize the particles in the liquid, whereby foam formation in the vessel is suppressed. The particles are preferably liquid phase phobic particles.

REFERENCES:
patent: 4851107 (1989-07-01), Kretschmar et al.
patent: 5166118 (1992-11-01), Kretschmar et al.

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