International Sugar Journal

Effect of juice screen position on extraction* [Full subscriber]

Abstract For historical reasons and space considerations, the two rotary juice screens at South Johnstone mill are mounted over the #2 intercarrier that feeds #3 mill. Cush is deposited directly down into the intercarrier. As part of an investigation to identify opportunities to increase extraction, the option of diverting the cush back to the #1 intercarrier that feeds #2 mill (the common approach in Australia) was considered. Recent modelling work, as well as encouraging advice from international technologists, suggested significant benefit in doing so. To test this concept, a screw conveyor was installed to convey the cush to the #1…

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