Method for controlling foaming in delayed coking processes

Details Method for controlling foaming in delayed coking processes Method for controlling foaming in delayed coking processes

1985-05-16

1986-09-16

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

252321, 252358, C10G 914

Patent

active

046121099

ABSTRACT:
A defoaming composition comprising an organo siloxane polymer, an aliphatic alcohol such as 2-ethylhexanol and, optionally, a liquid carrier which can be added to a coking drum in a delayed coking process to reduce foaming. In cases where the feed stock used in the delayed coking process contains greater than one half percent total sulfur, defoaming in the coking drum can be accomplished by adding an aliphatic alcohol such as 2-ethylhexanol.

REFERENCES:
patent: 3700587 (1972-10-01), Hyde
patent: 3865544 (1975-02-01), Keil
patent: 4092266 (1978-05-01), Abel et al.
patent: 4176047 (1979-11-01), Orrell et al.
patent: 4176052 (1979-11-01), Bruce et al.

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