 Hydrogen concentration and purification by membrane process: A multistage analysisPasquale Francesco Zito, Adele Brunetti and Giuseppe Barbieri Renewable Energy, 2023, vol. 218, issue C Abstract: In this work, the concentration and purification of hydrogen from multicomponent gas mixtures, such as syngas and H2:CH4 blends, were investigated by simulations of multi-stage membrane configurations. In particular, the separation performance of carbon, polymeric and Pd-alloy membranes were analyzed for obtaining a final H2 stream completely pure with a recovery higher than 90%. Carbon and polymer membranes in multistage configuration confirmed their suitability to be used as concentration units able to increase the hydrogen content in the gas mixture. A further purification of these pre-concentrated streams was carried out adding Pd-alloy membranes that were able to recover more than 90% of hydrogen fully pure. The use of an integrated process constituted of a concentration stage based on polymer/carbon membranes followed by a purification stage based on a Pd-alloy membrane allowed to drastically reduce the operating pressure and, moreover, save Pd-alloy membrane area. Keywords: Hydrogen separation; Green hydrogen; Palladium membrane; Polymer membrane; Carbon membrane; Multistage configurations (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:218:y:2023:i:c:s0960148123011588 DOI: 10.1016/j.renene.2023.119243 Access Statistics for this article Renewable Energy is currently edited by Soteris A. Kalogirou and Paul Christodoulides More articles in Renewable Energy from Elsevier |
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