Co-pyrolysis and co-combustion characteristics of low-rank coal and waste biomass: Insights into interactions, kinetics and synergistic effects

Guo, Zhenkun; Liu, Mengyuan; He, Haocheng; Song, Feiran; Chen, Xiaofeng; Guo, Fanhui; Chen, Juan; Lu, Shijian; Sang, Shuxun; Wu, Jianjun

doi:10.1016/j.joei.2024.101918

Journal of the Energy Institute

2025

DOI: 10.1016/j.joei.2024.101918

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Co-pyrolysis and co-combustion characteristics of low-rank coal and waste biomass: Insights into interactions, kinetics and synergistic effects

Zhenkun Guo,

Mengyuan Liu,

Haocheng He

et al.

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

Ma,

Feng,

Gao

et al. 2024

Energies

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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.

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

Ma,

Feng,

Gao

et al. 2024

Energies

View full text Add to dashboard Cite

show abstract

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Co-pyrolysis and co-combustion characteristics of low-rank coal and waste biomass: Insights into interactions, kinetics and synergistic effects

Cited by 1 publication

References 34 publications

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

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

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