International Sugar Journal

Optimising imbibition in a sugar mill with cogeneration † [Full subscriber]

Design of raw sugar factories has traditionally focused on achieving a balance between the energy demand of the factory and the energy contained in the available fuel supply (ie. bagasse). This has been particularly true in South Africa, where historically low prices have discouraged any investment for the purposes of exporting electrical energy to the national grid. This approach to factory design yields factories with a relatively low capital cost, but often with reasonably poor levels of energy efficiency. However, the current drive towards cogeneration has changed industry thinking in this regard. Standard sugar industry practice aims at maximising the…

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