Experimental and thermodynamic study of banana peel non-catalytic gasification characteristics
2020
He, Jiang | Yang, Zhongqing | Xiong, Shanshan | Guo, Mingnv | Yan, Yunfei | Ran, Jingyu | Zhang, Li
The Gasification performance of banana peel was examined in a fixed bed reactor. Effect of temperature, steam to carbon ratio (S/C), drying treatment on syngas composition, gas yield, CO₂ selectivity and carbon conversion efficiency (CCE) were investigated. The influence of temperature and S/C on hydrogen production was investigated by thermodynamic analysis. The transient characteristics of banana peel steam gasification were investigated by monitoring the evolutionary behavior of syngas production. An increase in S/C can lead to an increase in the selectivity of CO₂, but excess steam (S/C > 21.7) causes a decrease in H₂ yield and CCE. The increase of temperature is beneficial to the increase of CCE, but which leads to a decrease in CO₂ selectivity. When S/C = 27.1, the effect of temperature on H₂ yield can be divided into CCE control region and CO₂ selectivity control region. At temperature < 1023 K, H₂ yield is more sensitive to the changes of CCE. While at temperature > 1023 K, CO₂ selectivity has a more significant effect on H₂ yield. When S/C = 21.7 and temperature is 1023 K, the yield of H₂ produced from the fresh banana peel gasification reaches the maximum value (76.1 ml/g).
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