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Expired
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GB28718/52A
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BMA Braunschweigische Maschinenbauanstalt AG
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BMA Braunschweigische Maschinenbauanstalt AG
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Publication of GB758511ApublicationCriticalpatent/GB758511A/en
C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
C13B20/00—Purification of sugar juices
C13B20/02—Purification of sugar juices using alkaline earth metal compounds
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Chemical & Material Sciences
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Biochemistry
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Organic Chemistry
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Carbon And Carbon Compounds
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Abstract
In purifying sugar-containing juice the juice is pre-limed in three stages, namely, an acid stage, a neutral stage and an alkaline stage during which alkaline stage, lime and carbon dioxide are introduced to bring the pH up to an optimum value of about 11 and ensure that the concentration of the resulting calcium carbonate increases with rising pH value, and some of the juice is returned from stages of relatively high lime or lime and calcium carbonate concentration to stages of relatively low concentration. After each introduction of lime or lime and carbon dioxide, the juice may be allowed to stand untouched for a stabilizing period. The lime may be supplied in the form of limed defecation juice moving in counter-flow to the juice undergoing pre-liming.
GB28718/52A1951-12-281952-11-14Process for the purification of sugar-juices
ExpiredGB758511A
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