Method and installation for the crystallization of gluconodeltal

Details Method and installation for the crystallization of gluconodeltal Method and installation for the crystallization of gluconodeltal

1988-09-06

1989-10-31

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30930

Patent

active

048778893

ABSTRACT:
A gluconic acid syrup is introduced into a first crystallization zone 1a which it is brought to traverse under stirring and inside which it is maintained at a constant temperature, the mixture syrup and the gluconodeltalactone crystals emerging from this first zone being brought to traverse a second crystallization zone 1b within which it is subjected firstly to a temperature gradient decreasing globally, possibly modulated then to a substantially constant temperature, the mixture emerging from this second zone being in the form of a crystalline mass rich in gluconodeltalactone crystals from which the latter are recovered.

REFERENCES:
"Chemical Abstracts", vol. 85, No. 1, Jul. 5, 1976, p. 488, No. 6008k, Columbus, Ohio

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