Method for purifying beet juice using recycled materials

Details Method for purifying beet juice using recycled materials Method for purifying beet juice using recycled materials

1995-02-10

1996-01-02

Lieberman, Paul

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 461, 127 48, 127 50, 127 53, 127 55, C13D 300, C13J 102, B01D 1500

Patent

active

054804906

ABSTRACT:
A beet juice treatment method in which reaction products are recycled. Beet juice is first prelimed with lime and CaCO.sub.3 to produce first and second juice fractions. The second fraction contains flocculated materials, and is combined with CO.sub.2. Solid flocs and calcium carbonate reaction products are removed from the second fraction. The second fraction and first fraction are then recombined to produce a third juice fraction which is combined with lime in a main liming stage for additional purification. The third fraction is then supplied with additional CO.sub.2 to generate a CaCO.sub.3 sludge product. The sludge product is divided into first and second portions. The first portion is reused in the preliming stage. The second portion is converted to regenerated lime for reuse in the main liming stage and possibly the preliming stage. These steps reduce waste production and provide economic benefits.

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Beet Sugar Technology, pp. 567-593 (month N.A).

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