Journal
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
Volume 32, Issue -, Pages 915-925Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2014.01.042
Keywords
Sugarcane; Trash recovery systems; Energy; Cogeneration; South Africa
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Biomass is a potential sustainable source of energy. Approximately one-third of the energy available from sugarcane is contained in the tops and leaves (trash), which are generally either burnt prior to harvesting or are not recovered from the field. Based on results reported in the literature and assuming a 50% trash recovery efficiency, it is estimated that 1.353 million tons of trash is available annually for cogeneration in South Africa, which could potentially produce 180.1 MW over a 200 day milling season. Studies in Brazil and Australia have shown that the most efficient way of recovering the tops and leaves for cogeneration of power at sugar mills is to use a chopper harvester with the separation of cane stalks and trash on the harvester either fully or partially turned off. In South Africa more than 90% of the sugarcane crop is burnt and manually harvested and hence new systems are proposed to recover the trash and to transport the material to the mill. (C) 2014 Elsevier Ltd. All rights reserved.
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