Milling efficiency and technology

Permanent URI for this collectionhttp://elibrary2.sugarresearch.com.au/handle/11079/13845

Research outcomes: Optimised mill transport and logistics. Mill capacity and efficiency is optimised through improved processes, technology and value chain coordination and collaboration.

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    Monitoring cane at the mill to improve nitrogen management on the farm, a pilot study : final report CSC21A
    (BSES, 1997) Keating, B;
    The project examined variation in amino-N in cane supply at the Macknade Mill during the 1996 crushing season. This variation was related to factors such as crop class, variety, time of harvest, ccs, and farm supplying the cane. Extensive variation in amino-N concentrations was found in cane supplied to Macknade Mill over this season. There was a large crop class effect detected, with plant crops on average registering 50% higher amino-N concentrations in their juice than later ratoons. There was no significant variety effect detected. A major factor determining amino-N level was the farm from which the cane was sourced. Some farms always supplied cane with high levels of amino-N in the cane, indicating excess N supply. Others consistently supplied cane with low to adequate levels of amino-N. Overall approximately 45% of the cane supply to Macknade Mill during the 1996 crushing season was estimated to have been grown under conditions of excess N supply. Excessive N fertilisation rates is thought to be the most probable explanation, but this suggestion is being explored in follow up research.
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    Open area and screen resistance measurements on fugal screens
    (BSES, 1988) Noble, AG
    To determine whether the decrease in fugal capacity was due to the working screen or the wedgewire backing supporting it, a series of measurements were carried out on test specimens cut from the top, middle and bottom of segments of chrome-nickel working screens removed from the two trial machines. One of these had been fitted with a wedgewire backing and the other with conventional woven mesh backing. These measurements, which were carried out by the author at the Chemical Engineering Department of the University of Queensland, included the following: Slot width and open area determination; Photomicrographs of each screen section; Screen resistance of each specimen.