Sorption-enhanced gasification of municipal solid waste for hydrogen production: a comparative techno-economic analysis using limestone, dolomite and doped limestone

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dc.contributor.authorSantos, Mónica P. S.
dc.contributor.authorHanak, Dawid P.
dc.date.accessioned2022-07-20T13:25:39Z
dc.date.available2022-07-20T13:25:39Z
dc.date.issued2022-06-23
dc.description.abstractSorption-enhanced gasification has been shown as a viable low-carbon alternative to conventional gasification, as it enables simultaneous gasification with in-situ CO2 capture to enhance the production of H2. CaO-based sorbents have been a preferred choice due to their low cost and wide availability. This work assessed the technical and economic viability of sorption-enhanced gasification using natural limestone, doped limestone with seawater and dolomite. The techno-economic performance of the sorption-enhanced gasification using different sorbents was compared with that of conventional gasification. Regarding the thermodynamic performance, dolomite presented the worst performance (46.0% of H2 production efficiency), whereas doped limestone presented the highest H2 production efficiency (50.0%). The use of dolomite also resulted in the highest levelised cost of hydrogen (5.4 €/kg against 5.0 €/kg when limestone is used as sorbent), which translates into a CO2 avoided cost ranging between 114.9 €/tCO2 (natural limestone) and 130.4 €/tCO2 (dolomite). Although doped limestone has shown a CO2 avoided cost of 117.7 €/tCO2, this can be reduced if the production cost of doped limestone is lower than 42.6 €/t. The production costs of new sorbents for CO2 capture and H2 production need to be similar to that of natural limestone to become an attractive alternative to natural limestone.en_UK
dc.description.sponsorshipEngineering and Physical Sciences Research Council (EPSRC): EP/R513027/1en_UK
dc.identifier.citationSantos MP, Hanak DP. (2024) Sorption-enhanced gasification of municipal solid waste for hydrogen production: a comparative techno-economic analysis using limestone, dolomite and doped limestone, Biomass Conversion and Biorefinery, Volume 14, March 2024, pp. 7857-7872en_UK
dc.identifier.eissn2190-6823
dc.identifier.issn2190-6815
dc.identifier.urihttps://doi.org/10.1007/s13399-022-02926-y
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18200
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectSorption-enhanced gasificationen_UK
dc.subjectWaste-to-fuelen_UK
dc.subjectHydrogen productionen_UK
dc.subjectDolomiteen_UK
dc.subjectDoped limestoneen_UK
dc.titleSorption-enhanced gasification of municipal solid waste for hydrogen production: a comparative techno-economic analysis using limestone, dolomite and doped limestoneen_UK
dc.typeArticleen_UK

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