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Dehydrogenation of 2,3-Butanediol to 3-Hydroxybutanone Over CuZnAl Catalysts: Effect of Lithium Cation as Promoter.

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Title: Dehydrogenation of 2,3-Butanediol to 3-Hydroxybutanone Over CuZnAl Catalysts: Effect of Lithium Cation as Promoter.
Authors: Zhang, Boyu1 (AUTHOR), Zhou, Feng2 (AUTHOR), Ma, Huixia2 (AUTHOR), Chen, Luning3 (AUTHOR), Su, Ji3 (AUTHOR) jisu@lbl.gov, Yuan, Xingzhou1 (AUTHOR), Zhang, Jian1 (AUTHOR) zhangjian2011@lnpu.edu.cn
Source: Topics in Catalysis. Sep2020, Vol. 63 Issue 9/10, p866-874. 9p.
Subjects: Home Box Office Inc., Butanediol, Acetoin, Dehydrogenation, Dehydration reactions, Lithium borohydride, Catalysts, Catalytic dehydrogenation, Scanning electron microscopy
Abstract: The dehydrogenation of 2,3-butanediol (BDO) to 3-hydroxybutanone (HBO) was studies over Li cation-doped CuZnAl catalysts. The catalyst samples were characterized by XRD, XPS, H2-TPR and SEM techniques. The characterization results showing that doping with Li cation obviously modified the surface morphology of CuZnAl catalysts; decreased the reduction temperature of CuZnAl catalysts; and finally increased the amount of Cu active sites. The reaction results showing that, Li modified CuZnAl catalysts obviously enhanced the selectivity of the dehydrogenation of BDO to HBO by inhibiting the dehydration of BDO. The Li(2%)–Cu(44%)–Zn(38%)–Al(16%) exhibited the highest activity for dehydrogenation of BDO, with the conversion rate of BDO is 72.4% and the selectivity of HBO is 95.9% at 260 °C. This catalyst shows excellent stability for more than 100 h without significant deactivation. [ABSTRACT FROM AUTHOR]
Copyright of Topics in Catalysis is the property of Springer Nature 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.)
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  Label: Title
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  Data: Dehydrogenation of 2,3-Butanediol to 3-Hydroxybutanone Over CuZnAl Catalysts: Effect of Lithium Cation as Promoter.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Boyu%22">Zhang, Boyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Feng%22">Zhou, Feng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Huixia%22">Ma, Huixia</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Luning%22">Chen, Luning</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Su%2C+Ji%22">Su, Ji</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> jisu@lbl.gov</i><br /><searchLink fieldCode="AR" term="%22Yuan%2C+Xingzhou%22">Yuan, Xingzhou</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jian%22">Zhang, Jian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhangjian2011@lnpu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Topics+in+Catalysis%22">Topics in Catalysis</searchLink>. Sep2020, Vol. 63 Issue 9/10, p866-874. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Home+Box+Office+Inc%2E%22">Home Box Office Inc.</searchLink><br /><searchLink fieldCode="DE" term="%22Butanediol%22">Butanediol</searchLink><br /><searchLink fieldCode="DE" term="%22Acetoin%22">Acetoin</searchLink><br /><searchLink fieldCode="DE" term="%22Dehydrogenation%22">Dehydrogenation</searchLink><br /><searchLink fieldCode="DE" term="%22Dehydration+reactions%22">Dehydration reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium+borohydride%22">Lithium borohydride</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+dehydrogenation%22">Catalytic dehydrogenation</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+electron+microscopy%22">Scanning electron microscopy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The dehydrogenation of 2,3-butanediol (BDO) to 3-hydroxybutanone (HBO) was studies over Li cation-doped CuZnAl catalysts. The catalyst samples were characterized by XRD, XPS, H2-TPR and SEM techniques. The characterization results showing that doping with Li cation obviously modified the surface morphology of CuZnAl catalysts; decreased the reduction temperature of CuZnAl catalysts; and finally increased the amount of Cu active sites. The reaction results showing that, Li modified CuZnAl catalysts obviously enhanced the selectivity of the dehydrogenation of BDO to HBO by inhibiting the dehydration of BDO. The Li(2%)–Cu(44%)–Zn(38%)–Al(16%) exhibited the highest activity for dehydrogenation of BDO, with the conversion rate of BDO is 72.4% and the selectivity of HBO is 95.9% at 260 °C. This catalyst shows excellent stability for more than 100 h without significant deactivation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Topics in Catalysis is the property of Springer Nature 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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        Value: 10.1007/s11244-020-01308-w
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      – SubjectFull: Butanediol
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      – SubjectFull: Acetoin
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      – SubjectFull: Dehydrogenation
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      – SubjectFull: Lithium borohydride
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      – SubjectFull: Catalytic dehydrogenation
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      – SubjectFull: Scanning electron microscopy
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      – TitleFull: Dehydrogenation of 2,3-Butanediol to 3-Hydroxybutanone Over CuZnAl Catalysts: Effect of Lithium Cation as Promoter.
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              Text: Sep2020
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