Characterization of Recycled Wood Chips, Syngas Yield, and Tar Formation in an Industrial Updraft Gasifier
Abstract
:1. Introduction
2. Materials and Methods
2.1. Gasifiers
2.2. Gas and Tar Sampling
2.3. Biomass Fuel Sampling
2.4. Test Procedure
3. Results
3.1. Fuel Properties
3.2. Syngas Composition
Syngas Composition and Fuel Properties
3.3. Tar Concentration
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Parameter | Moisture Content (% wb) | Bulk Density (kg/m3) | Ash Content (% db) | Calorific Value (MJ/kg) |
---|---|---|---|---|
Average | 26.8 | 150.7 | 1.06 | 19.20 |
Standard deviation | 4.3 | 17.3 | 0.28 | 0.65 |
Coefficient of variation | 0.15 | 0.11 | 0.27 | 0.03 |
Parameter | Measured Value (%) | Expected Range from Gasifier Specs (%) |
---|---|---|
Volatiles | 83.0 | 70–85 |
Fixed carbon | 16.5 | 15–25 |
Carbon | 54.6 | 48–52 |
Hydrogen | 5.80 | 5–6 |
Oxygen | 39.0 | 36–44 |
Nitrogen | 0.09 | <0.2 |
Sulphur | 0.02 | <0.025 |
Chlorine | 0.04 | <0.025 |
Species | CEN/TS 15439 Method | CE-O Device | ||||||
---|---|---|---|---|---|---|---|---|
Ave | StdDev | Min | Max | Ave | StdDev | Min | Max | |
H2 | 9.1 | 0.5 | 8.4 | 9.9 | 8.0 | 1.2 | 6.0 | 9.8 |
O2 | 0.7 | 0.6 | 0.3 | 2.1 | 0.7 | 0.4 | 0.3 | 1.3 |
N2 | 57.3 | 1.9 | 54.6 | 61.3 | 57.2 | 2.3 | 53.7 | 61.7 |
CH4 | 1.3 | 0.3 | 0.8 | 1.9 | 2.0 | 0.5 | 1.1 | 2.7 |
CO | 19.8 | 2.0 | 16.7 | 21.9 | 20.1 | 1.6 | 18.0 | 22.7 |
CO2 | 11.9 | 0.7 | 10.8 | 12.7 | 12.0 | 0.8 | 10.7 | 13.2 |
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Oveisi, E.; Sokhansanj, S.; Lau, A.; Lim, J.; Bi, X.; Preto, F.; Mui, C. Characterization of Recycled Wood Chips, Syngas Yield, and Tar Formation in an Industrial Updraft Gasifier. Environments 2018, 5, 84. https://doi.org/10.3390/environments5070084
Oveisi E, Sokhansanj S, Lau A, Lim J, Bi X, Preto F, Mui C. Characterization of Recycled Wood Chips, Syngas Yield, and Tar Formation in an Industrial Updraft Gasifier. Environments. 2018; 5(7):84. https://doi.org/10.3390/environments5070084
Chicago/Turabian StyleOveisi, Ehsan, Shahab Sokhansanj, Anthony Lau, Jim Lim, Xiaotao Bi, Fernando Preto, and Cliff Mui. 2018. "Characterization of Recycled Wood Chips, Syngas Yield, and Tar Formation in an Industrial Updraft Gasifier" Environments 5, no. 7: 84. https://doi.org/10.3390/environments5070084