387707 Design and Optimization of the Distillation and Dehydration Steps for Bio-Ethanol Production

Monday, November 17, 2014
Galleria Exhibit Hall (Hilton Atlanta)
Mauricio Colombo1, Michel Kahwaji Janho2, Jorge E. Gatica3, Fernando Daniel Mele1 and María Rosa Hernández4, (1)Ingenieria de Procesos y Gestion Industrial, Universidad Nacional de Tucuman, Tucuman, Argentina, (2)Chemical And Biomedical Engineering, Cleveland State University, Cleveland, OH, (3)Chemical and Biomedical Engineering, Cleveland State University, Cleveland, OH, (4)Ingeniería de Procesos y Gestión Industrial, Universidad Nacional de Tucuman, Tucuman, Argentina

Bio-ethanol production is a rapidly growing market due to the possible uses of the anhydrous product in energy generation. This production however, is weighed down by energetic demands and environmental effects.

This paper examines the distillation and dehydration steps of a bio-ethanol production plant complementing a sugar mill. The distillation step is optimized by performing rigorous energy analysis and heat integration on the process utilizing the resources made available by the sugar mill, while pervaporation is used in the dehydration step due to the formulation and use of a pervaporation module integrated into a process simulation engine, several schemes and membrane materials are assessed and compared in light of their energy demands and membrane area required.

The two steps are then combined and an energy analysis is conducted on the resulting process.


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