Cane Sugar Refining - Purolite
Cane Sugar Refining - Purolite
Cane Sugar Refining - Purolite
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<strong>Cane</strong> <strong>Sugar</strong> <strong>Refining</strong> with Ion Exchange Resins<br />
Puropack Packed Bed Upflow System<br />
A typical configuration for ion exchange decolorization system is an upflow packed bed<br />
system such as <strong>Purolite</strong>’s Puropack System. Since the specific gravity of 68 Brix syrup is<br />
1.3325 (@standard conditions) and the specific gravity of strong base anion resin is 1.09,<br />
the flow of syrup during decolorization service is often run upflow to ensure the bed is<br />
undisturbed during a service flow interruption. A schematic of the operation and the<br />
advantages of Puropack are shown below.<br />
Puropack Advantages<br />
• Lower color released<br />
• Higher operational capacity<br />
• Lower chemical consumption<br />
• Lower water Consumption<br />
Service<br />
The typical service flow rate is 2.0-4.0 bed volumes/hour. (i.e. Syrup flowing<br />
through a bed containing 10 m3 of resin operating at 2 bed volumes/hour (BV/hr)<br />
would be flowing at 20 m 3 /hr)<br />
12<br />
Flat False Top<br />
Flat False Bottom<br />
SERVICE<br />
<strong>Purolite</strong> IP4<br />
Inert<br />
<strong>Purolite</strong><br />
Anion Resins<br />
REGENERATION
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