Methods for inhibiting foam

Details Methods for inhibiting foam Methods for inhibiting foam

1996-03-22

1997-09-16

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 30, 201 4, 203 20, C10G 914

Patent

active

056676697

ABSTRACT:
Methods for inhibiting the carryover of foam in a delayed coker unit processing hydrocarbon liquids are disclosed. A non-silicone defoamer compound is added to the hydrocarbon until the foam height surpasses a predetermined value. A silicone defoamer compound is then added to the hydrocarbon to knock down the foam head and inhibit carryover of the foam.

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