Method of regenerating ion exchange resins in the process of dec

Details Method of regenerating ion exchange resins in the process of dec Method of regenerating ion exchange resins in the process of dec

1997-09-11

1999-09-28

Brunsman, David

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

C13J 106

Patent

active

059581425

ABSTRACT:
In a method of decalcification of purified sugar factory juices from a sugar factory process the juices, containing calcium ions, are sent onto an Na.sup.+ or K.sup.+ form strongly cationic ion exchange resin where the calcium ions are replaced with sodium and/or potassium ions. The ion exchange resin is then subject to regeneration (or washing) with dilute molasses. In a first variant of the method, the molasses is sent to the ion exchange resin in a cocurrent configuration. In a second variant, the molasses is sent to the ion exchange resin in a countercurrent configuration. This method can be used in a process to manufacture sugar from sugar beet or sugar cane.

REFERENCES:
patent: 5443650 (1995-08-01), Saska et al.
patent: 5554227 (1996-09-01), Kwok et al.
Zeitschrift Fur Die Zuckerindutrie, vol. 25, No. 9, Sep. 20, 1975: pp. 493-501.

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