International Sugar Journal

Automation of white pans at the Tongaat Hulett refinery* [Full subscriber]

Abstract Pan boiling relies substantially on “art” rather than “science”, thus requiring skilled and experienced operators to optimise crystal sugar production. This puts heavy demands on staffing, training and skills transfer. Particularly in this context, automated pan boiling has the potential to provide substantial benefits in terms of plant capacity, process performance and product quality. Successful pan automation relies largely on the following aspects: instrumentation that reliably measures appropriate process parameters, a suitable control strategy that relies both on crystallisation fundamentals (science) and practical considerations (art), and control hardware that implements the strategy in a manner that is easy to…

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