C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
182/2, 260/234.2
C07H 1/06 (2006.01) B01D 15/08 (2006.01) C13K 3/00 (2006.01)
Patent
CA 1119102
ABSTRACT An improved process for separating a fluid feed stream containing a mixture of substances (fructose and dextrose solutions) into a plurality of streams richer in one or more of the substances by alternately passing the mixed fluid feed stream and an elution fluid stream through a chromatographic separation column to obtain an effluent stream. She column has a chamber containing an adsorbent which has a selective affinity for one of the substances in the fluid feed stream so that portions of the effluent stream have higher concentrations of one of the substances. Thereafter, separate successive portions are collected of the effluent stream having higher concentrations of at least one of the substances. The process involves first densely packing the adsorbent in the chamber of the separ- ation column, and the chamber is devoid of any internal flow distributing structure. The adsorbent is such that it contracts to a reduced volume in the presence of a selected reagent, and swells when the excess of concen- trated reagent is removed. The adsorbent is disposed in the separation column chamber in its reduced volume condition and is effectively confined in the chamber of the separation column. She excess of the concentrated reagent is removed from the adsorbent so that the adsor- bent swells to completely and uniformly pack the separa- tion column chamber and thus eliminates channeling and turbulent flow, and improves the uniformity of the cross- sectional flow rate across the column chamber. The pro- cess provides one output stream rich in fructose and another output stream rich in dextrose.
294912
Leiser Roger S.
Liaw Gin C.
Osler Hoskin & Harcourt Llp
Staley (a.e.) Manufacturing Company
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