Process for separating and purifying a multicomponent mixture

Details Process for separating and purifying a multicomponent mixture Process for separating and purifying a multicomponent mixture

1993-08-30

1995-04-11

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210672, 210676, 210677, B01D 1502

Patent

active

054055342

ABSTRACT:
A process and apparatus for continuously separating a multicomponent mixture containing at least 3 components and purifying each component in a high concentration, high purity and high recovery, wherein the apparatus comprises a column group comprising a fractionation zone, a purification zone and a desorption zone which are formed by combining at least 2 columns to form one subgroup and combining at least 3 zones; column connection tubings for in series connecting the columns in the fractionation zone; subgroup connection tubings for connecting corresponding columns of two subgroups positioned in the separation zone (in series) and the purification zone (in parallel); zone connection tubings for in parallel connecting each column of the fractionation zone and each column of the purification zone; purification/desorption medium-feeding tubings for feeding each purification/desorption medium to each column of the purification and desorption zones; a subject mixture-feeding means for feeding a multicomponent mixture to the column of the uppermost stream of the fractionation zone; and a column group movement means for successively moving the columns from the present subzone to the next subzone and/or a switching means for switching the tubing flow between columns by opening or closing of valves.

REFERENCES:
patent: 2797190 (1957-06-01), Scott et al.
patent: 2985589 (1961-05-01), Broughton et al.
patent: 3421984 (1969-01-01), Jensen et al.
patent: 4522726 (1985-06-01), Berry et al.

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