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Centro Azúcar
versão On-line ISSN 2223-4861
Resumo
OBREGON-LUNA, Joaquín de J.; FAILDES LOPEZ, Amilkar e HERNANDEZ-LEON, Rolando A.. Preliminary evaluation of the preservation of industrial juices of energy cane. cen. az. [online]. 2017, vol.44, n.1, pp. 44-52. ISSN 2223-4861.
The installation of 19 biopower plants for the electricity cogeneration during the whole year has begun in Cuban sugar mills. As biomass fuel they will use the bagasse produced during the sugar harvest, and to complete the rest of the year they will use marabou and energy cane. The latter will originate juices not suitable for sugar production, but good as source of carbon for alcoholic fermentation. Nevertheless, not all these mills have an annexed alcohol distillery, what encouraged looking for solutions to their preservation. To this aim, face to face interviews were carried out, the available experimental data on preservation of industrial juices of energy cane were used and processed with the DataFit 9.0.59 software to obtain mathematical prediction models for the behavior in time of the preserved juices, with the restriction variables Brix > 70%, Acidity < 1,5% and UfcT/g < 160 000. It was determined that the simple technology uses the existent industrial equipment, the preservation during 180 days is feasible and contribute with $ 9,57 CUP/t in a preliminary way to the economic feasibility. It is suggested to use this new raw material for alcohol production as soon as possible, to reduce storage costs
Palavras-chave : biopower plants; cogeneration; energy cane; preservation of industrial juices.