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Proceedings Paper

Real-time monitoring of fermentation process applied to sugarcane bioethanol production
Author(s): Eric Fujiwara; Eduardo Ono; Celina K. Yamakawa; Jaciane L. Ienczak; Carlos E. V. Rossell; Carlos K. Suzuki
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Paper Abstract

The application of a Fresnel-based fiber sensor on real-time monitoring of the fermentation process in bioethanol production is reported. The fiber was placed inside the bioreactor, and experiments were conducted by using glucose solution and sugarcane syrup as substrates for fermentation. When the sugar is completely consumed, there is no production of ethanol, causing the sample concentration to become constant, as well as the reflected light intensity. Therefore, the sensor can be used to predict the ideal moment to terminate the process. The results were confirmed by additional laboratory analysis, making this an alternative technology for optimization of bioethanol production.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842164 (7 November 2012); doi: 10.1117/12.970511
Show Author Affiliations
Eric Fujiwara, The State Univ. of Campinas (Brazil)
Eduardo Ono, The State Univ. of Campinas (Brazil)
Celina K. Yamakawa, Brazilian Bioethanol Science and Technology Lab. (Brazil)
Jaciane L. Ienczak, Brazilian Bioethanol Science and Technology Lab. (Brazil)
Carlos E. V. Rossell, Brazilian Bioethanol Science and Technology Lab. (Brazil)
Carlos K. Suzuki, The State Univ. of Campinas (Brazil)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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