Process for fractional separation of a plurality of components f

Details Process for fractional separation of a plurality of components f Process for fractional separation of a plurality of components f

1992-06-12

1993-06-29

Therkorn, Ernest G.

Liquid purification or separation

Processes

Chromatography

2101982, 127 461, 127 462, B01D 1508

Patent

active

052231437

ABSTRACT:
There is provided a process for efficient chromatographic separation of a plurality of components from a fluid feed containing the same, which process comprises repeating a cycle comprising the step (1) of substantially shutting off the internal fluid circulation at a position of endless, or continuous, circulatory system and withdrawing a fraction enriched with a component having a strong affinity for an adsorbent upstream of the shut-off position while feeding the fluid feed downstream of the shut-off position, and the step (2) of withdrawing a plurality of fractions enriched with the remaining components while feeding a fluid desorbent and circulating the internal fluid.

REFERENCES:
patent: 4498991 (1985-02-01), Oroskar
patent: 4970002 (1990-11-01), Ando
patent: 4990259 (1991-02-01), Kearney
patent: 5064539 (1991-11-01), Tanimura
patent: 5093004 (1992-03-01), Hotier
patent: 5102553 (1992-04-01), Kearney
patent: 5114590 (1992-05-01), Hotier
patent: 5122275 (1992-06-01), Rasche
patent: 5126055 (1992-06-01), Yamashita

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