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Catalytic partial oxidation of isobutanol for the production of hydrogen

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Title: Catalytic partial oxidation of isobutanol for the production of hydrogen
Authors: Lee, Ivan C. ivan.c.lee2.civ@mail.mil, St. Clair, Jeffrey G.1, Gamson, Adam S.1
Source: International Journal of Hydrogen Energy. Jan2012, Vol. 37 Issue 2, p1399-1408. 10p.
Subjects: Partial oxidation, Hydrogen production, Butanol, Catalysis, Chemical reactions, Rhodium, Proton exchange membrane fuel cells, Carbon dioxide
Abstract: Abstract: Catalytic partial oxidation of isobutanol was investigated at various contact times and equivalence ratios for the purpose of H2 production. This reaction was studied using a γ-Al2O3 coated foam as a catalyst, as well as a similar foam with rhodium (Rh) added. The results show that little H2 is produced when the Rh is absent, whereas selectivities as high as 62.92% were achieved (80% is the theoretical maximum) with the noble metal present. The alumina catalyst also displays no complete combustion regime for fuel lean combustion; instead, olefins, carbon dioxide (CO2), and water are the dominant products at all equivalence ratios. Additional results from catalytic partial oxidation of isobutene suggest that isobutene could be an intermediate during catalytic partial oxidation of isobutanol. With approximately 8.25 W of isobutanol, 3.61 W of H2 can be attained with the Rh catalyst for use in small power devices, such as a proton exchange membrane fuel cell. The corresponding fuel-to-electricity efficiency was about 20.8%. [Copyright &y& Elsevier]
Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 70872241
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Catalytic partial oxidation of isobutanol for the production of hydrogen
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  Data: <searchLink fieldCode="AR" term="%22Lee%2C+Ivan+C%2E%22">Lee, Ivan C.</searchLink><i> ivan.c.lee2.civ@mail.mil</i><br /><searchLink fieldCode="AR" term="%22St%2E+Clair%2C+Jeffrey+G%2E%22">St. Clair, Jeffrey G.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gamson%2C+Adam+S%2E%22">Gamson, Adam S.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Hydrogen+Energy%22">International Journal of Hydrogen Energy</searchLink>. Jan2012, Vol. 37 Issue 2, p1399-1408. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Partial+oxidation%22">Partial oxidation</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+production%22">Hydrogen production</searchLink><br /><searchLink fieldCode="DE" term="%22Butanol%22">Butanol</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysis%22">Catalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+reactions%22">Chemical reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Rhodium%22">Rhodium</searchLink><br /><searchLink fieldCode="DE" term="%22Proton+exchange+membrane+fuel+cells%22">Proton exchange membrane fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+dioxide%22">Carbon dioxide</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Catalytic partial oxidation of isobutanol was investigated at various contact times and equivalence ratios for the purpose of H2 production. This reaction was studied using a γ-Al2O3 coated foam as a catalyst, as well as a similar foam with rhodium (Rh) added. The results show that little H2 is produced when the Rh is absent, whereas selectivities as high as 62.92% were achieved (80% is the theoretical maximum) with the noble metal present. The alumina catalyst also displays no complete combustion regime for fuel lean combustion; instead, olefins, carbon dioxide (CO2), and water are the dominant products at all equivalence ratios. Additional results from catalytic partial oxidation of isobutene suggest that isobutene could be an intermediate during catalytic partial oxidation of isobutanol. With approximately 8.25 W of isobutanol, 3.61 W of H2 can be attained with the Rh catalyst for use in small power devices, such as a proton exchange membrane fuel cell. The corresponding fuel-to-electricity efficiency was about 20.8%. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.ijhydene.2011.09.121
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 1399
    Subjects:
      – SubjectFull: Partial oxidation
        Type: general
      – SubjectFull: Hydrogen production
        Type: general
      – SubjectFull: Butanol
        Type: general
      – SubjectFull: Catalysis
        Type: general
      – SubjectFull: Chemical reactions
        Type: general
      – SubjectFull: Rhodium
        Type: general
      – SubjectFull: Proton exchange membrane fuel cells
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      – SubjectFull: Carbon dioxide
        Type: general
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      – TitleFull: Catalytic partial oxidation of isobutanol for the production of hydrogen
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            NameFull: Lee, Ivan C.
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            NameFull: St. Clair, Jeffrey G.
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            NameFull: Gamson, Adam S.
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              Text: Jan2012
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              Y: 2012
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