Artículos de revistas
Product Diversification To Enhance Economic Viability Of Second Generation Ethanol Production In Brazil: The Case Of The Sugar And Ethanol Joint Production
Registro en:
Chemical Engineering Research And Design. Institution Of Chemical Engineers, v. 92, n. 8, p. 1470 - 1481, 2014.
2638762
10.1016/j.cherd.2013.11.016
2-s2.0-84905094697
Autor
Albarelli J.Q.
Ensinas A.V.
Silva M.A.
Institución
Resumen
Commercial simulator Aspen Plus® was used to simulate the conventional processes of the autonomous distillery producing ethanol and the joint production of sugar and ethanol. Changes in conventional processes were evaluated to increase electricity and second generation ethanol production using bagasse fine fraction composed by parenchyma cells (P-fraction). The evaluated processes were thermal and water integrated. The results indicated that the integration of the second generation process to the conventional processes was possible after thermal and water integration. The economic analysis showed that the second generation process integrated to the joint production presented lower payback time, 2.3 years, in comparison with this process integrated to the autonomous distillery, 4.7 years. Due to the high enzyme costs, the cases without second generation ethanol production presented higher economic viability. 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