期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 48, 期 70, 页码 27151-27169出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2023.03.367
关键词
Waste-to-hydrogen; Torrefaction; Gasification; Municipal solid waste; Wood biomass; Bio hydrogen
This study aims to simulate the steam-enhanced co-gasification of hybrid blends composed of municipal solid waste and urban forest waste, with torrefaction as pretreatment. Experimental, numerical, and optimization techniques evaluated the gasification process to produce hydrogen-rich gas or enhanced calorific value gas. The study found that under specific conditions, efficient hydrogen production and high calorific value gas can be achieved.
This study aims to simulate the steam-enhanced co-gasification of hybrid blends (HB) composed of municipal solid waste (MSW) and urban forest waste (UFW), with torrefaction as pretreatment. Experimental (torrefaction), numerical (gasification thermodynamic equilibrium model), and optimization (response surface methodology) techniques evaluated the gasification process to produce (i) hydrogen-rich gas or (ii) enhanced calorific value gas. The torrefaction (225-275 & DEG;C), steam-to-biomass (0.4-1.2 S/B) ratio, and HB proportion (0-50% of MSW) influences were investigated to assess H2%, exergy efficiency of H2 -production (77H2), lower heating value (LHV), cold gas efficiency (CGE), and CO2%. The hybrid methodology defined the optimal conditions for 600 & DEG;C gasification as (i) 0.9 S/B and an HB comprising 31% MSW and 69% torrefied UFW at 275 & DEG;C, presenting an 77H2 of 49%; and (ii) 0.4 S/B and an HB containing 23% MSW and 77% torrefied UFW at 275 & DEG;C, showing an LHV of 6126 kJ.Nm3. & COPY; 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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