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dc.contributor.author
Streb, Anne
dc.contributor.author
Mazzotti, Marco
dc.date.accessioned
2022-08-03T06:58:10Z
dc.date.available
2020-06-18T05:24:58Z
dc.date.available
2020-06-19T07:46:35Z
dc.date.available
2022-08-03T06:58:10Z
dc.date.issued
2020-05-27
dc.identifier.issn
1520-5045
dc.identifier.issn
0888-5885
dc.identifier.other
10.1021/acs.iecr.9b06953
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/420937
dc.identifier.doi
10.3929/ethz-b-000420937
dc.description.abstract
In this paper, we assess the performance of vacuum pressure swing adsorption (VPSA) for co-purification of H2 and CO2 through modelling and process optimization. VPSA allows for the integration of two separation tasks, which can simplify the coupling of H2 production with carbon capture and storage (CCS). We assess the performance of five different VPSA cycles, four different feeds typical for steam methane reforming (SMR) and autothermal reforming (ATR) of natural gas or biomethane, and two different H2 purity levels, that is, 99.9 and 99.97%. Three out of the five cycles can achieve the co-purification reaching CCS specifications for CO2 and even the higher H2 purity level at a recovery above 90%. For ATR, argon as a trace impurity is difficult to separate, thereby limiting the attainable purity to 99.9%, but an argon-adjusted purity of over 99.97% can still be reached. The minimum electricity required for the separation is in the range of 300–500 kJ/kg CO2, with lower values for configurations with a low temperature water-gas shift reactor and for the lower H2 purity level. This is well within the range of the exergy requirement of absorption-based pre-combustion CO2 capture processes, whilst reaching up to more than twice their productivity and integrating two separation units, that is, CO2 capture unit and H2 purification unit, within a single one.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
American Chemical Society
en_US
dc.rights.uri
http://rightsstatements.org/page/InC-NC/1.0/
dc.title
Novel Adsorption Process for Co-Production of Hydrogen and CO2 from a Multicomponent Stream—Part 2: Application to Steam Methane Reforming and Autothermal Reforming Gases
en_US
dc.type
Journal Article
dc.rights.license
In Copyright - Non-Commercial Use Permitted
dc.date.published
2020-05-01
ethz.journal.title
Industrial & Engineering Chemistry Research
ethz.journal.volume
59
en_US
ethz.journal.issue
21
en_US
ethz.journal.abbreviated
Ind. Eng. Chem. Res.
ethz.pages.start
10093
en_US
ethz.pages.end
10109
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Washington, DC
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering::03484 - Mazzotti, Marco / Mazzotti, Marco
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02130 - Dep. Maschinenbau und Verfahrenstechnik / Dep. of Mechanical and Process Eng.::02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering::03484 - Mazzotti, Marco / Mazzotti, Marco
ethz.date.deposited
2020-06-18T05:25:03Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2020-06-19T07:46:45Z
ethz.rosetta.lastUpdated
2022-03-29T02:26:34Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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