Thermogravimetric Experimental Study on the Co-Combustion Characteristics of Coal and Salix

Yinsheng Ma, Bao Feng, Li Gao, Zhenyu Guo, Yu Ai, Haoying Sun, Yong Zhang, Zhenyan Pan, Jingwen Mao, Ruyu Yan, Ningzhu Ye and Lei Deng ()
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Yinsheng Ma: Guoneng Jinjie Energy Co., Ltd., Yulin 719319, China
Bao Feng: Guoneng Jinjie Energy Co., Ltd., Yulin 719319, China
Li Gao: Guoneng Jinjie Energy Co., Ltd., Yulin 719319, China
Zhenyu Guo: Guoneng Jinjie Energy Co., Ltd., Yulin 719319, China
Yu Ai: Guoneng Jinjie Energy Co., Ltd., Yulin 719319, China
Haoying Sun: Guoneng Jinjie Energy Co., Ltd., Yulin 719319, China
Yong Zhang: Yantai Longyuan Power Technology Co., Ltd., Yantai 264006, China
Zhenyan Pan: Yantai Longyuan Power Technology Co., Ltd., Yantai 264006, China
Jingwen Mao: State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Ruyu Yan: State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Ningzhu Ye: State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Lei Deng: State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Energies, 2024, vol. 18, issue 1, 1-14

Abstract: To study the co-combustion characteristics of coal and Salix, thermogravimetric analysis is adopted to evaluate their co-combustion performance. The effect of blending ratios and synergistic are investigated in detail. Furthermore, kinetic analysis is performed. The results show that the incorporation of Salix into coal enhances combustion performance, with significant improvements observed at higher blending ratios. The ignition temperature decreases notably from 444 °C to 393 °C, highlighting an improvement in ignition properties. The primary weight loss peak shifts from 490 °C at a 15% biomass blend to approximately 320 °C at a 100% blend. Co-combustion demonstrates synergistic effects, with a 15% biomass blend optimizing combustion between 400 °C and 530 °C, while a 30% blend inhibits it. Additionally, temperatures above 600 °C exhibit an inhibitory effect. The activation energy is reduced to 25.38 kJ mol −1 at a 30% blend ratio and further to 23.06 kJ mol −1 at a 15% blend ratio at a heating rate of 30 K min −1 . Increasing the biomass blend ratio and heating rate lowers the activation energy, which means facilitating the reaction process.

Keywords: Salix; coal; co-combustion; thermogravimetric analysis; kinetic characteristic (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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