Raw Sugar - StorageTopics:
By Bento, Luis San Miguel
Posted on 2007-06-15 Last edited on 2011-04-01
Raw sugar is stored in high capacity warehouses (silos). These silos are placed: at the sugar mill; at the harbour for loading the ships; at the harbour at the ships discharging point; at the refinery, if the refinery is not placed near the harbour. In this last case, raw sugar is transported in bulk by lorries, of about 25 ton, by railway or by barges.
Loading Raw Sugar into the warehouse
An important factor to evaluate the deterioration rate of a sugar during storage, is its moisture in relation to its polarization. This evaluation is done through the security factor - SF. This factor is obtained by the formula:
SF = % of Moisture / (100 – Pol)
For SF values between 0,25 and 0,33 raw sugar is in an unstable zone.
Chen J.P.C., 1993, Raw Sugar Quality Criteria, in Cane Sugar Handbook,
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