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Hydrogen production by the sodium manganese ferrite thermochemical cycle-experimental rate and modeling

TitleHydrogen production by the sodium manganese ferrite thermochemical cycle-experimental rate and modeling
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2014
AuthorsMurmura, M.A., Varsano F., Padella F., La Barbera A., Alvani C., and Annesini M.C.
JournalIndustrial and Engineering Chemistry Research
Volume53
Pagination10310-10317
ISSN08885885
KeywordsExperimental conditions, Hydrogen evolution rate, Hydrogen production, Laboratory apparatus, Manganese ferrites, Mixtures, Reactive mixtures, Shrinking core model, Sodium, Thermochemical cycles, Water concentration ranges
Abstract

The sodium manganese ferrite thermochemical cycle for hydrogen production by water splitting can successfully operate in a relatively low temperature range (1023-1073 K) and has a high potential for coupling with the solar source using conventional structural materials. With the aim of implementing the cycle in a solar reactor, the hydrogen evolution rate from the reactive mixture measured in laboratory apparatus has been modeled by using a shrinking-core model. Such a model proved to adequately describe the rate of hydrogen production in the studied temperature and water concentration range. The model was extended to predict the behavior of the reactive mixture subjected to different experimental conditions. © 2014 American Chemical Society.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84903480693&doi=10.1021%2fie500940z&partnerID=40&md5=048e6697cab690ffd6ce388a1ccb8dd1
DOI10.1021/ie500940z
Citation KeyMurmura201410310