International Sugar Journal

Minimizing steam demand to manufacture white sugar – case study of an Indian sugar mill [Full subscriber]

In India, most of the plantation white sugar is manufactured by double sulphitation process. The process involves conventional unit operations like juice heating, concentration of juice and crystallization. These operations use energy in the form of low pressure (exhaust) steam. The sulphur melting process and need for superheated wash water at the centrifugals require medium pressure steam. With energy costs rising and the Indian industry opting increasingly for cogeneration of power, it is imperative to minimize the energy needed for sugar manufacture by reducing steam consumption, and thereby increasing potential exportable power. This article documents a successful attempt at Godavari…

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