Conditioning - White Sugar

By Bento, Luis San Miguel
Posted on 2006-09-19    Last edited on 2010-12-09

After Drying and Classification, white sugar must be conditioned before storage and/or packaging. This is done in conditioning silos. In the conditioning silos, hot and dry air flows, in an ascending way, through the sugar. In this operation,  sugar crystals moisture is released. This will decrease sugar caking during storage.

Conditioning parameters


 Air temperature

 40 - 50 oC

 Temperature difference between air and sugar

 6 oC

 Air velocity

 3 m3/h.ton

 Air humidity

 10 - 20 % RH

 Contact time

 24 - 72 h



Meadows, Dave, 2000, Refined Sugar Drying, Conditioning and Storage, in Handbook of Sugar Refining,
            ed. Chung Chi Chou, John Wiley & Sons, Inc. New York

E 0036

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