International Sugar Journal

A coal classification method to evaluate boiler performance, using computational fluid dynamics and a fixed bed reactor* [Full subscriber]

Abstract Coal quality, which has deteriorated in South Africa, is a major factor for sugar mills to consider especially as co-generation becomes a growing concern. Coal quality is especially essential in sugar mills reliant on coal for refining and, as is often the case, the proximate analysis cannot be used as the solitary predictor of boiler performance. Abundant literature is available for pulverised coal combustion in boilers, with validated details on devolatilisation rates, volatile reaction kinetic rates, carbon monoxide reaction rates and char burnout rates. This level of detail is required to successfully simulate boiler performance with CFD simulations. Testing…

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