Synergy of metallic Pt and oxygen vacancy sites in Pt-WO catalysts for efficiently promoting vanillin hydrodeoxygenation to methylcyclohexane
Pt-WO 3− x catalysts showed very high catalytic activity in complete hydrodeoxygenation (HDO) of vanillin, a typical model compound of lignin, affording methylcyclohexane (MCH) in 92.5% yield at 220 °C, under 4.0 MPa H 2 and in 2 h in n -hexane as the solvent. By tuning the reduction time and pre-tr...
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| Veröffentlicht in: | Green chemistry : an international journal and green chemistry resource : GC 2022-12, Vol.24 (24), p.9489-9495 |
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| container_issue | 24 |
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| container_title | Green chemistry : an international journal and green chemistry resource : GC |
| container_volume | 24 |
| creator | Sun, Mengya Zhang, Yanfei Liu, Wang Zhao, Xinpeng Luo, Hu Miao, Gai Wang, Zhiqiang Li, Shenggang Kong, Lingzhao |
| description | Pt-WO
3−
x
catalysts showed very high catalytic activity in complete hydrodeoxygenation (HDO) of vanillin, a typical model compound of lignin, affording methylcyclohexane (MCH) in 92.5% yield at 220 °C, under 4.0 MPa H
2
and in 2 h in
n
-hexane as the solvent. By tuning the reduction time and pre-treatment of the WO
3
support, the influence of Pt species and oxygen vacancy sites of Pt-WO
3−
x
on vanillin HDO performance was analyzed. The reaction pathway of vanillin HDO over Pt-WO
3−
x
was proposed. Moreover, Pt-WO
3−
x
showed wide applicability to the HDO of other phenols and high catalytic stability.
Pt-WO
3−
x
catalysts with more Pt
0
species and proximity of oxygen vacancy active sites derived from WO
3−
x
, assisted by the hydrogen spillover effect, lead to an excellent methylcyclohexane yield (92.5%) at 220 °C, under 4.0 MPa H
2
in
n
-hexane solvent. |
| doi_str_mv | 10.1039/d2gc03144b |
| format | Article |
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3−
x
catalysts showed very high catalytic activity in complete hydrodeoxygenation (HDO) of vanillin, a typical model compound of lignin, affording methylcyclohexane (MCH) in 92.5% yield at 220 °C, under 4.0 MPa H
2
and in 2 h in
n
-hexane as the solvent. By tuning the reduction time and pre-treatment of the WO
3
support, the influence of Pt species and oxygen vacancy sites of Pt-WO
3−
x
on vanillin HDO performance was analyzed. The reaction pathway of vanillin HDO over Pt-WO
3−
x
was proposed. Moreover, Pt-WO
3−
x
showed wide applicability to the HDO of other phenols and high catalytic stability.
Pt-WO
3−
x
catalysts with more Pt
0
species and proximity of oxygen vacancy active sites derived from WO
3−
x
, assisted by the hydrogen spillover effect, lead to an excellent methylcyclohexane yield (92.5%) at 220 °C, under 4.0 MPa H
2
in
n
-hexane solvent.</description><identifier>ISSN: 1463-9262</identifier><identifier>EISSN: 1463-9270</identifier><identifier>DOI: 10.1039/d2gc03144b</identifier><ispartof>Green chemistry : an international journal and green chemistry resource : GC, 2022-12, Vol.24 (24), p.9489-9495</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Sun, Mengya</creatorcontrib><creatorcontrib>Zhang, Yanfei</creatorcontrib><creatorcontrib>Liu, Wang</creatorcontrib><creatorcontrib>Zhao, Xinpeng</creatorcontrib><creatorcontrib>Luo, Hu</creatorcontrib><creatorcontrib>Miao, Gai</creatorcontrib><creatorcontrib>Wang, Zhiqiang</creatorcontrib><creatorcontrib>Li, Shenggang</creatorcontrib><creatorcontrib>Kong, Lingzhao</creatorcontrib><title>Synergy of metallic Pt and oxygen vacancy sites in Pt-WO catalysts for efficiently promoting vanillin hydrodeoxygenation to methylcyclohexane</title><title>Green chemistry : an international journal and green chemistry resource : GC</title><description>Pt-WO
3−
x
catalysts showed very high catalytic activity in complete hydrodeoxygenation (HDO) of vanillin, a typical model compound of lignin, affording methylcyclohexane (MCH) in 92.5% yield at 220 °C, under 4.0 MPa H
2
and in 2 h in
n
-hexane as the solvent. By tuning the reduction time and pre-treatment of the WO
3
support, the influence of Pt species and oxygen vacancy sites of Pt-WO
3−
x
on vanillin HDO performance was analyzed. The reaction pathway of vanillin HDO over Pt-WO
3−
x
was proposed. Moreover, Pt-WO
3−
x
showed wide applicability to the HDO of other phenols and high catalytic stability.
Pt-WO
3−
x
catalysts with more Pt
0
species and proximity of oxygen vacancy active sites derived from WO
3−
x
, assisted by the hydrogen spillover effect, lead to an excellent methylcyclohexane yield (92.5%) at 220 °C, under 4.0 MPa H
2
in
n
-hexane solvent.</description><issn>1463-9262</issn><issn>1463-9270</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFT8tKxDAUDYPCjI-N-4H7A9WkLR1mPSjuFBRcDvH2po2kN0MSZO5H-M9WFF26OgfOi6PUldHXRjfbm74eUDembV8XamXarqm29Uaf_PKuXqqznN-0NmbTtSv18SRMaRCIDiYqNgSP8FjAcg_xKAMxvFu0jALZF8rgeZarlwdAO7sllwwuJiDnPHriEgQOKU6xeB7mKPu5kWGUPsWevhtt8ZGhxK_BUQIKhjjS0TJdqFNnQ6bLHzxX67vb5919lTLuD8lPNsn-72Pzn_4JMoVY7g</recordid><startdate>20221212</startdate><enddate>20221212</enddate><creator>Sun, Mengya</creator><creator>Zhang, Yanfei</creator><creator>Liu, Wang</creator><creator>Zhao, Xinpeng</creator><creator>Luo, Hu</creator><creator>Miao, Gai</creator><creator>Wang, Zhiqiang</creator><creator>Li, Shenggang</creator><creator>Kong, Lingzhao</creator><scope/></search><sort><creationdate>20221212</creationdate><title>Synergy of metallic Pt and oxygen vacancy sites in Pt-WO catalysts for efficiently promoting vanillin hydrodeoxygenation to methylcyclohexane</title><author>Sun, Mengya ; Zhang, Yanfei ; Liu, Wang ; Zhao, Xinpeng ; Luo, Hu ; Miao, Gai ; Wang, Zhiqiang ; Li, Shenggang ; Kong, Lingzhao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_d2gc03144b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2022</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Mengya</creatorcontrib><creatorcontrib>Zhang, Yanfei</creatorcontrib><creatorcontrib>Liu, Wang</creatorcontrib><creatorcontrib>Zhao, Xinpeng</creatorcontrib><creatorcontrib>Luo, Hu</creatorcontrib><creatorcontrib>Miao, Gai</creatorcontrib><creatorcontrib>Wang, Zhiqiang</creatorcontrib><creatorcontrib>Li, Shenggang</creatorcontrib><creatorcontrib>Kong, Lingzhao</creatorcontrib><jtitle>Green chemistry : an international journal and green chemistry resource : GC</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Mengya</au><au>Zhang, Yanfei</au><au>Liu, Wang</au><au>Zhao, Xinpeng</au><au>Luo, Hu</au><au>Miao, Gai</au><au>Wang, Zhiqiang</au><au>Li, Shenggang</au><au>Kong, Lingzhao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synergy of metallic Pt and oxygen vacancy sites in Pt-WO catalysts for efficiently promoting vanillin hydrodeoxygenation to methylcyclohexane</atitle><jtitle>Green chemistry : an international journal and green chemistry resource : GC</jtitle><date>2022-12-12</date><risdate>2022</risdate><volume>24</volume><issue>24</issue><spage>9489</spage><epage>9495</epage><pages>9489-9495</pages><issn>1463-9262</issn><eissn>1463-9270</eissn><abstract>Pt-WO
3−
x
catalysts showed very high catalytic activity in complete hydrodeoxygenation (HDO) of vanillin, a typical model compound of lignin, affording methylcyclohexane (MCH) in 92.5% yield at 220 °C, under 4.0 MPa H
2
and in 2 h in
n
-hexane as the solvent. By tuning the reduction time and pre-treatment of the WO
3
support, the influence of Pt species and oxygen vacancy sites of Pt-WO
3−
x
on vanillin HDO performance was analyzed. The reaction pathway of vanillin HDO over Pt-WO
3−
x
was proposed. Moreover, Pt-WO
3−
x
showed wide applicability to the HDO of other phenols and high catalytic stability.
Pt-WO
3−
x
catalysts with more Pt
0
species and proximity of oxygen vacancy active sites derived from WO
3−
x
, assisted by the hydrogen spillover effect, lead to an excellent methylcyclohexane yield (92.5%) at 220 °C, under 4.0 MPa H
2
in
n
-hexane solvent.</abstract><doi>10.1039/d2gc03144b</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1463-9262 |
| ispartof | Green chemistry : an international journal and green chemistry resource : GC, 2022-12, Vol.24 (24), p.9489-9495 |
| issn | 1463-9262 1463-9270 |
| language | |
| recordid | cdi_rsc_primary_d2gc03144b |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Synergy of metallic Pt and oxygen vacancy sites in Pt-WO catalysts for efficiently promoting vanillin hydrodeoxygenation to methylcyclohexane |
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