Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-06-18
1982-06-29
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252455Z, 127 463, 536127, B01J 2018, B01J 2022
Patent
active
043371710
ABSTRACT:
An adsorbent comprising a crystalline aluminosilicate and cation exchange resin mixture, method of manufacture of the adsorbent and 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 the adsorbent, 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 solvent, extruding the mixture into an extrudate and drying the extrudate.
REFERENCES:
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patent: 3416961 (1968-12-01), Mountfort et al.
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patent: 4248737 (1981-02-01), Kulprathipanja
deRosset Armand J.
Kulprathipanja Santi
Dees Carl F.
Hoatson Jr. James R.
Morris Louis A.
Page II William H.
UOP Inc.
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