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Centro Azúcar

versão On-line ISSN 2223-4861

Resumo

RODRIGUEZ PLAZA, Rocío; DE ARMAS MARTINEZ, Ana Celia; RODRIGUEZ CARVAJAL, Lily Elena  e  GARCIA OROZCO, Yamila. Prospective evaluation for the sugar cane factory transformation in biorefinery. cen. az. [online]. 2015, vol.42, n.4, pp. 85-95. ISSN 2223-4861.

The present work has as goal to evaluate prospectively alternative of transformation in the "5 de Septiembre" sugar industry, located in Cienfuegos, for a superfine alcohol biorefinery. Two alternatives were taking into account; the first one was the installation of a distillery for a capacity of 500 hl/d of superfine alcohol, using the molasses and 10% of the filters juice coming from the sugar mill, as complement of the stage of fermentation, and also a plant of biodiesel production starting from microalgae biomass and of mud separated in the sugar mill and another installation of a distillery for a similar capacity of 500 Hl/d of superfine ethanol using molasses, the filters juices and microalgae hydrolysate. For the second alternative, it intends a distillery where saving of 67 % for the molasses, and 22.73 % for the water, these results are experimentally obtained.  The most feasible alternative obtain 5 years of payback period, 21 % of an IRR and U$D 37104 419.21 of NPV.

Palavras-chave : Sugar; alcohol; biorefinery; economy; process.

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