Esterified aluminosilicate adsorbent as for resolution of sugar

Details Esterified aluminosilicate adsorbent as for resolution of sugar Esterified aluminosilicate adsorbent as for resolution of sugar

1980-02-25

1981-09-01

Marantz, Sidney

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 46R, 252455Z, 423328, 536 1, C13K 300, C13K 1100

Patent

active

042870011

ABSTRACT:
A process for separating a component from a feed mixture comprising an aqueous solution of a mixture of different components, such as a mixture of saccharides, in which the mixture is contacted with an adsorbent comprising a crystalline aluminosilicate bound with an inorganic oxide binder material which selectively adsorbs a component from the feed mixture. 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 the crystalline aluminosilicate to dissolve in the aqueous system. The process comprises the esterification of the crystalline aluminosilicate and/or the binder material with an alcohol at esterification reaction conditions which substantially reduces the undesirable dissolution.

REFERENCES:
patent: 4014711 (1977-03-01), Odawara
patent: 4157267 (1979-06-01), Odawara
patent: 4226639 (1980-10-01), Michalko
patent: 4226977 (1980-10-01), Neuzil
patent: 4231899 (1980-11-01), Chen
patent: 4238243 (1980-12-01), Tu
patent: 4241036 (1980-12-01), Flanigen
patent: 4248737 (1981-02-01), Kulprathipanja

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