Techno-economic and thermodynamic analysis of hydrogen production process via plasma co-gasification of coal and biomass

Ranran Wei, Kexin Yin, Runqi Zhang, Wenwu Xu, Zhaoyou Zhu, Yinglong Wang and Peizhe Cui

Energy, 2025, vol. 314, issue C

Abstract: Coal-biomass mixed hydrogen production combines the richness of coal and the renewability of biomass, which can not only improve energy utilization efficiency, but also make up for the shortcomings of traditional coal-to-hydrogen production technology. This work proposed plasma co-gasification of coal and biomass based on carbon capture for hydrogen production process (PCGC) and plasma co-gasification of coal and biomass coupled chemical looping for hydrogen production process (PCG-CL). Model validation was performed based on literature data. The influence of key operating parameters on process performance was investigated through sensitivity analysis. The results showed that the biomass feed ratio was positively correlated with the conversion capacity of C, H and O in the raw materials. When steam feed ratio≥0.6, the gasification temperature, gas composition and syngas lower heat value change significantly. And economic analysis and thermodynamic evaluation of the two processes were conducted. The total production cost of the PCG-CL process was 3.62 % lower than that of the PCGC process, but the investment payback period was 0.99 years longer. The exergy efficiencies of PCGC process and PCG-CL process were 66.66 % and 57.55 % respectively. This study can provide a reference for related research on the preparation of high-purity hydrogen by coal-biomass plasma co-gasification.

Keywords: Plasma co-gasification; Hydrogen; Thermodynamic analysis; Economic analysis (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:314:y:2025:i:c:s0360544224040192

DOI: 10.1016/j.energy.2024.134241

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