Future district heating plant integrated with municipal solid waste (MSW) gasification for hydrogen production

Souman Rudra and Yohannes Kifle Tesfagaber

Energy, 2019, vol. 180, issue C, 881-892

Abstract: Characterizing municipal solid waste (MSW) is a critical step in planning, designing, operating, or upgrading solid waste management systems. For a theoretical investigation of hydrogen production by gasification and water-gas shift reaction, we characterized Norwegian MSW and used the data. Three different gasification setups, named as ‘A-1’, ‘A&S-2’, and ‘S-3’ were modeled using Aspen plus simulation software for direct and indirect gasification processes according to the different gasification agents. The MSW characterization result showed a reasonable agreement with existing studies in different countries. The maximum hydrogen yield achieved in setup ‘S-3’ was around 94% of the maximum theoretical hydrogen yield from the specified MSW. At a steam to syngas ratio of 0.5, 199.6 g of hydrogen could be produced per one kg of MSW, with 4 L of water at 100 °C for district heating. The study indicates integrating an indirect gasifier in preexisting MSW-fired plants can play a significant role in recovering energy from MSW in the form of energy carrier hydrogen. However, if it is necessary to construct a new waste incinerator, the study results indicate building a direct gasification system.

Keywords: MSW characterization; Waste-to-energy; Gasification; Heat; Hydrogen (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:180:y:2019:i:c:p:881-892

DOI: 10.1016/j.energy.2019.05.125

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