Sugar – starch – and carbohydrates – Processes – Carbohydrate manufacture and refining
Patent
1982-04-05
1983-12-20
Schor, Kenneth M.
Sugar, starch, and carbohydrates
Processes
Carbohydrate manufacture and refining
210679, 210691, B01J 2018, C13D 312, C13D 314
Patent
active
044215673
ABSTRACT:
A process for separating a component from a feed blend comprising an aqueous solution of a mixture of different components, such as a blend of saccharides. In the process the blend is contacted with an adsorbent comprising a crystalline aluminosilicate and cation exchange resin mixture which selectively adsorbs a component from the feed blend. The adsorbed component is then recovered by contacting the adsorbent with a desorbent material such as water to effect the desorption of the adsorbed component from the adsorbent. There is an undesirable tendency for the silicon constituent of a crystalline aluminosilicate to dissolve in an aqueous system and for the volume of a cationic exchange resin to change with the ionic strength of an aqueous medium. The adsorbent of this invention is dispersed in a binder material comprising a water permeable organic polymer and the effect is a substantial reduction of the undesirable dissolution and volume changes. The adsorbent is manufactured by mixing together powder of the crystalline aluminosilicate, powder of the cationic exchange resin, powder of the organic polymer binder, and a liquid organic solvent, extruding the mixture into an extrudate and drying the extrudate.
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deRosset Armand J.
Kulprathipanja Santi
Hoatson Jr. James R.
Morris Louis A.
Page II William H.
Schor Kenneth M.
UOP Inc.
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