Fouling reducing dual pressure fractional distillator

Details Fouling reducing dual pressure fractional distillator Fouling reducing dual pressure fractional distillator

1992-09-24

1994-08-30

Richter, Johann

Mineral oils: processes and products

Fractionation

Distillation

208 48R, 203 80, C10G 702

Patent

active

053425090

ABSTRACT:
A process flow sequence for the reduction of polymer fouling while maintaining efficient production levels wherein a dual pressure, dual column configuration is used to effect the reduction in polymer fouling. The dual pressure, dual column configuration of the invention uses a high pressure and a separate low pressure to isolate the desired fractions while effecting a reduction in the production of fouling polymers.

REFERENCES:
patent: 3783126 (1974-01-01), Hayward et al.
patent: 4002554 (1977-01-01), Borge et al.
patent: 4525244 (1985-06-01), Gourlia et al.
patent: 4545855 (1985-10-01), Sweeney
patent: 4545895 (1985-10-01), Brand et al.
patent: 4670131 (1987-06-01), Ferrell
patent: 4824527 (1989-04-01), Erickson
patent: 5090977 (1992-02-01), Strack et al.
Timothy A. Morrison and Diane Laflamme, "Advanced Controls Improve Performance of Two-Shell, Dual-Pressure Column", Oil & Gas Journal, May 14, 1990, pp. 60-63.

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