Li, S. and Li, G. and Zhang, L. and et al, . (2012) demonstration study of ethanol production from sweet sorghum stems with advanced solid state fermentation technology. Applied Energy. pp. 1-6.
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Abstract
Sweet sorghum (Sorghum bicolor (L.) Moench) is a promising energy crop for biofuel production. A demonstration study on cost-effective conversion of fermentable sugars in sweet sorghum stems into ethanol with advanced solid-state fermentation technology is presented in this paper. A continuous solid-state fermenter, which is 55 m in length and 3.6 m in diameter, is successfully operated in Inner Mongolia, China in 2011. Results show that the retention time (fermentation time) of the solid substrate is less than 30 h, and the ethanol yield reaches 90.5% of the theoretical yield. A total of 16 ton of sweet sorghum stems (with 13.5% sugar content and 70% moisture) are used to produce 1 ton of ethanol (99.5%, v/v). The cost of fuel ethanol production is $615.4 per ton (49 cent/liter) on the premise that the price of the sweet sorghum stems is $30 per ton.
| Item Type: | Article |
|---|---|
| Additional Information: | This research was funded by the Ministry of Science and Technology of China, the International Scientific and Technological Cooperation Project (Grant No. 2010DFA61200), and National Key technology R&D Program (Grant No. 2011BAD22B00). We would also like to thank Tehong Biotechnology Ltd. Inner Mongolia for their collaboration in the demonstration study. |
| Uncontrolled Keywords: | Advanced solid state fermentation, technology, Continuous solid state fermentation, Continuous solid state distillation, Sweet sorghum, Bioethanol, Demonstration study |
| Author Affiliation: | Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 100084, PR China |
| Subjects: | Agricultural Engineering |
| Divisions: | Sorghum |
| Depositing User: | Mr Siva Shankar |
| Date Deposited: | 15 Nov 2012 03:27 |
| Last Modified: | 15 Nov 2012 03:27 |
| Official URL: | http://dx.doi.org/10.1016/j.apenergy.2012.09.060 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/8789 |
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