| Issue |
E3S Web Conf.
Volume 181, 2020
2020 5th International Conference on Sustainable and Renewable Energy Engineering (ICSREE 2020)
|
|
|---|---|---|
| Article Number | 01002 | |
| Number of page(s) | 4 | |
| Section | Clean and Renewable Energy | |
| DOI | https://doi.org/10.1051/e3sconf/202018101002 | |
| Published online | 24 July 2020 | |
The effect of thermal pre-treatment on cassava rhizome properties for utilizing as green fuel in gasification
1 Interdisciplinary Program in Environmental Science, Graduate School, Chulalongkorn University, Bangkok Thailand 10330
2 National Metal and Materials Technology Center (MTEC), National Science and Technology Development Agency (NSTDA), Thailand Science Park, Pathum Thani Thailand 12120
3 Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok Thailand 10330
* Corresponding author: viboon.sr@chula.ac.th
Cassava rhizome (CR) was torrefied to provide superior solid fuel quality for further gasification process. The torrefaction was carried out in the absence of oxygen at 220, 240, 260, and 280°C with a fixed residence time. Solid fuel after torrefaction has a higher calorific value from that of reduced volatile matters. The optimum energy yield of torrefied CR is 88.16% at 260°C. The heating value of 20.86 MJ/kg for a torrefied product can be achieved compared to 15.37 MJ/kg for untreated CR. The subsequent gasification of torrefied CR at temperature of 800°C yielded the highest gas product of 65 wt.%. The carbon and hydrogen conversions into CO and H2 were 14.28% and 29.95%, respectively. Synthesis gas (syngas) from the conversion maintained the H2/CO ratio of around 2–2.50, which is suitable for the Fischer–Tropsch process or can be used as the feedstock for petrochemical industry.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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