Method of mitigating fouling and reducing viscosity in primary f

Details Method of mitigating fouling and reducing viscosity in primary f Method of mitigating fouling and reducing viscosity in primary f

1998-02-17

1999-11-16

Lovering, Richard D.

Colloid systems and wetting agents; subcombinations thereof; pro

Continuous liquid or supercritical phase: colloid systems;...

Primarily organic continuous liquid phase

137 13, 208 48AA, 208 48Q, 507 90, C10G 912, C10G 916, F17D 116

Patent

active

059859407

ABSTRACT:
A method is disclosed for mitigating fouling and reducing viscosity in primary fractionators and quench sections of ethylene plants by adding to a hydrocarbon stream a mono and/or a polyalkyl-substituted phenol-formaldehyde resin having a weight average molecular weight of from about 1,000 to about 30,000 and at least one alkyl substituent containing from about 4 to about 24 carbon atoms, which alkyl substituent may be linear or branched.

REFERENCES:
patent: 4900427 (1990-02-01), Weers et al.
patent: 4949743 (1990-08-01), Broom
patent: 5143594 (1992-09-01), Stephenson et al.
patent: 5494607 (1996-02-01), Manek et al.
Hydrocarbon Processing, Jan. 1991 "Chemicals increase ethylene plant efficiency" Burns et al.

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