Model of Continuous Cheese Whey Fermentation by Candida Pseudotropicalis

Agustriyanto, Rudy and Fatmawati, Akbarningrum (2009) Model of Continuous Cheese Whey Fermentation by Candida Pseudotropicalis. In: World Congress on Science, Engineering and Technology, September 23-25, 2009, Amsterdam.

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Abstract

The utilization of cheese whey as a fermentation substrate to produce bio-ethanol is an effort to supply bio-ethanol demand as a renewable energy. Like other process systems, modeling is also required for fermentation process design, optimization and plant operation. This research aims to study the fermentation process of cheese whey by applying mathematics and fundamental concept in chemical engineering, and to investigate the characteristic of the cheese whey fermentation process. Steady state simulation results for inlet substrate concentration of 50, 100 and 150 g/l, and various values of hydraulic retention time, showed that the ethanol productivity maximum values were 0.1091, 0.3163 and 0.5639 g/l.h respectively. Those values were achieved at hydraulic retention time of 20 hours, which was the minimum value used in this modeling. This showed that operating reactor at low hydraulic retention time was favorable. Model of bio-ethanol production from cheese whey will enhance the understanding of what really happen in the fermentation process.

Item Type:	Conference or Workshop Item (Paper)
Uncontrolled Keywords:	Cheese whey, ethanol, fermentation, modeling
Subjects:	Q Science > QA Mathematics Q Science > QD Chemistry Q Science > QR Microbiology T Technology > T Technology (General) T Technology > TP Chemical technology
Divisions:	Faculty of Engineering > Department of Chemical Engineering
Depositing User:	Rudy Agustriyanto, M.Sc 199005
Date Deposited:	31 Jul 2012 03:17
Last Modified:	31 Jul 2012 03:17
URI:	http://repository.ubaya.ac.id/id/eprint/881

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