International Sugar Journal

Seed-cooling crystalliser technology for improvement of crystal quality and sugar recovery* [Full subscriber]

Abstract Sugar recovery and crystal quality are two important plant performance aspects. Usually, slurry, dry seed or sugar magma are employed as seed material for the main product pans. Another possibility is developing a seed material of about 60-120 µm grain size as an intermediate product concerning crystal size between slurry and a typical A footing massecuite with 320-420 µm crystal size. Instead of achieving crystal growth by evaporation/concentration the same can be achieved by cooling. This is the basis of the seed-cooling crystalliser technology. The seed-cooling crystalliser system has a series of advantages including: increased sugar recovery by reduction…

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