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Application of Full Mesophilic Anaerobic Effluent Recycling to Very High Gravity Ethanol Fermentation from Cassava
Corresponding Author(s) : X.L. Xu
Asian Journal of Chemistry,
Vol. 25 No. 5 (2013): Vol 25 Issue 5
Abstract
A zero-discharge system composed of ethanol fermentation and biogas fermentation (anaerobic digestion) for cassava-based ethanol production was developed by recycling mesophilic anaerobic effluent. Stillage originated from ethanol fermentation was first treated by the biogas fermentation system and, then, the anaerobic effluent was used as cooking water for the next ethanol fermentation batch. When recycling the anaerobic effluent, the average final ethanol concentration was 14.49 ± 0.29 %, (v/v), which was close to that of the control (14.6 ± 0.1 % (v/v), using tap water for cooking water). This coupled process was confirmed to have stable operation by 10 recycles. This clean technology could thoroughly eliminate the stillage pollution and save about 90 % fresh water used in ethanol fermentation.
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- Y. Lin and S. Tanaka, Appl. Microbiol. Biotechnol., 69, 627 (2006).
- R. Bothast and M. Schlicher, Appl. Microbiol. Biotechnol., 67, 19 (2005).
- M. Kunz, Biocat. Biotrans., 26, 128 (2008).
- G. Luo, L. Xie and Q. Zhou, J. Biosci. Bioeng., 107, 641 (2009).
- A.C. Wilkie, K.J. Riedesel and J.M. Owens, Biomass Bioenergy, 19, 63 (2000).
- C. Ozdemir, N. Sen, S. Dursun and E. Kalipci, Asian J. Chem., 22, 6423 (2010).
- M. Nagaraju, S. Ramulla and N. Murthy, Asian J. Chem., 23, 1863 (2011).
- D. Pant and A. Adholeya, Bioresour. Technol., 98, 2321 (2007).
- F.J. Beltrán, P.M. Álvarez, E.M. Rodríguez and J.F. García-Araya, Biotechnol. Prog., 17, 462 (2001).
- T. Graves, N. Narendranath, K. Dawson and R. Power, J. Ind. Microbiol. Biotechnol., 33, 469 (2006).
- A.P.H. Association, W.P.C. Federation and W.E. Federation, Standard Methods for the Examination of Water and Wastewater. American Public Health Association, vol. 2, 1912:.
- C.M. Zhang, Z.G. Mao, X. Wang, J.H. Zhang, F.B. Sun, L. Tang and H.J. Zhang, Bioprocess. Biosyst. Eng., 33, 1067 (2010).
- S. Mohana, B.K. Acharya and D. Madamwar, J. Hazard. Mater., 163, 12 (2009).
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- N. Narendranath, K. Thomas and W. Ingledew, J. Ind. Microbiol. Biotechnol., 26, 171 (2001).
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References
Y. Lin and S. Tanaka, Appl. Microbiol. Biotechnol., 69, 627 (2006).
R. Bothast and M. Schlicher, Appl. Microbiol. Biotechnol., 67, 19 (2005).
M. Kunz, Biocat. Biotrans., 26, 128 (2008).
G. Luo, L. Xie and Q. Zhou, J. Biosci. Bioeng., 107, 641 (2009).
A.C. Wilkie, K.J. Riedesel and J.M. Owens, Biomass Bioenergy, 19, 63 (2000).
C. Ozdemir, N. Sen, S. Dursun and E. Kalipci, Asian J. Chem., 22, 6423 (2010).
M. Nagaraju, S. Ramulla and N. Murthy, Asian J. Chem., 23, 1863 (2011).
D. Pant and A. Adholeya, Bioresour. Technol., 98, 2321 (2007).
F.J. Beltrán, P.M. Álvarez, E.M. Rodríguez and J.F. García-Araya, Biotechnol. Prog., 17, 462 (2001).
T. Graves, N. Narendranath, K. Dawson and R. Power, J. Ind. Microbiol. Biotechnol., 33, 469 (2006).
A.P.H. Association, W.P.C. Federation and W.E. Federation, Standard Methods for the Examination of Water and Wastewater. American Public Health Association, vol. 2, 1912:.
C.M. Zhang, Z.G. Mao, X. Wang, J.H. Zhang, F.B. Sun, L. Tang and H.J. Zhang, Bioprocess. Biosyst. Eng., 33, 1067 (2010).
S. Mohana, B.K. Acharya and D. Madamwar, J. Hazard. Mater., 163, 12 (2009).
C.M. Zhang, J.H. Zhang, L. Tang, Z.G. Mao, R.S. Zhu and H.J. Zhang, Asian J. Chem., 23, 4701 (2011).
T. Graves, N. Narendranath, K. Dawson and R. Power, Appl. Microbiol. Biotechnol., 73, 1190 (2007).
N. Narendranath, K. Thomas and W. Ingledew, J. Ind. Microbiol. Biotechnol., 26, 171 (2001).
N. Alavi, R. Azadi, N. Jaafarzadeh and A.-A. Babaei, Asian J. Chem., 23, 5220 (2011).
J.S. Kim, B.G. Kim, C.H. Lee, S.-W. Kim, H.-S. Jee, J.-H. Koh and A.G. Fane, J. Cleaner Prod., 5, 263 (1997).