Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 45, Issue 58, Pages 33260-33273Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.09.118
Keywords
Municipal solid waste (MSW); Gasification; Hydrogen; Syngas; Central composite design
Categories
Funding
- National Science Foundation of China [51776139, 51676138, 51878557]
- High Technology Support Project of Tianjin [18ZXSZSF00120]
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This study aims to investigate the influence and interaction of experimental parameters on the production of optimum H-2 and other gases (CO, CO2, and CH4) from gasification of municipal solid waste (MSW). Response surface method in assistance with the central composite design was employed to design the fifteen experiments to find the effect of three independent variables (i.e., temperature, equivalence ratio and residence time) on the yields of gases, char and tar. The optimum H-2 production of 41.36 mol % (15.963 mol kg-MSW-1) was achieved at the conditions of 757.65 degrees C, 0.241, and 22.26 min for temperature, ER, and residence time respectively. In terms of syngas properties, the lower heating value and molar ratio (H-2/CO) ranged between 9.33 and 12.48 MJ/Nm(3) and 0.45-0.93. The predicted model of statistical analysis indicated a good fit with experimental data. The gasification of MSW utilizing air as a gasifying agent was found to be an effective approach to recover the qualitative and quantitate products (H-2 and total gas yield) from the MSW. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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