International Sugar Journal

The effect of scaling on heat transfer in a first-effect falling-film evaporator [Full subscriber]

Abstract In recent times, falling-film type evaporators have gained attention in the cane sugar industry owing to their ability to operate at lower temperature differences, a good heat-transfer coefficient at high brix, and low juice residence time in the evaporator. The falling-film type (tubular) evaporator station at the ICPL sugar mill has been in operation since 2011. The station was reconfigured in 2013 with additional heating surface area to increase the juice processing capacity and further reduce the exhaust steam consumption. After seven years in operation, a second evaluation of the evaporator performance was undertaken. One of the performance evaluation…

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