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Process Design For Optimum Energy Efficiency - sasta

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ADVANCED OPTIONS<br />

• Using clear juice in the remelter & pans<br />

– Clear juice is used as a substitute for water<br />

– The juice is now evaporated in single effect pan<br />

boiling rather than in a multiple effect evaporator<br />

station, however:<br />

• You were going to add water anyway<br />

• The juice used on the pan floor now bypasses the<br />

evaporator station<br />

– A disadvantage is that it reduces the amount of<br />

evaporation to be done<br />

• There is now less water in the juice available for<br />

vapour bleed production

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