Nature of surface carbon species and pathways of their formation in the heterogeneously catalysed acetoxylation of toluene
The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO 2 catalyst and their formation pathways were systematically investigated. To reach this goal, steady-state catalytic experiments were combined with in situ temperature programmed oxidation (TPO) of...
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| Veröffentlicht in: | Catalysis science & technology 2016-01, Vol.6 (15), p.611-621 |
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| container_title | Catalysis science & technology |
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| creator | Reining, S Kondratenko, E. V Bentrup, U Radnik, J Kalevaru, V. N Martin, A |
| description | The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO
2
catalyst and their formation pathways were systematically investigated. To reach this goal, steady-state catalytic experiments were combined with
in situ
temperature programmed oxidation (TPO) of catalyst samples treated under different reaction conditions. Complementary
in situ
as well as
ex situ
infrared (IR) and X-ray photoelectron spectroscopic (XPS) measurements were also performed to derive deeper mechanistic insights. Our studies revealed that the formation of surface carbon species occurs directly from acetic acid and indirectly from toluene with the former being, however, the main coke precursor. The derived knowledge provides the fundamentals for tailored catalyst design.
The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO
2
catalyst and their formation pathways were systematically investigated. |
| doi_str_mv | 10.1039/c6cy00527f |
| format | Article |
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2
catalyst and their formation pathways were systematically investigated. To reach this goal, steady-state catalytic experiments were combined with
in situ
temperature programmed oxidation (TPO) of catalyst samples treated under different reaction conditions. Complementary
in situ
as well as
ex situ
infrared (IR) and X-ray photoelectron spectroscopic (XPS) measurements were also performed to derive deeper mechanistic insights. Our studies revealed that the formation of surface carbon species occurs directly from acetic acid and indirectly from toluene with the former being, however, the main coke precursor. The derived knowledge provides the fundamentals for tailored catalyst design.
The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO
2
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2
catalyst and their formation pathways were systematically investigated. To reach this goal, steady-state catalytic experiments were combined with
in situ
temperature programmed oxidation (TPO) of catalyst samples treated under different reaction conditions. Complementary
in situ
as well as
ex situ
infrared (IR) and X-ray photoelectron spectroscopic (XPS) measurements were also performed to derive deeper mechanistic insights. Our studies revealed that the formation of surface carbon species occurs directly from acetic acid and indirectly from toluene with the former being, however, the main coke precursor. The derived knowledge provides the fundamentals for tailored catalyst design.
The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO
2
catalyst and their formation pathways were systematically investigated.</description><subject>Carbon</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Formations</subject><subject>Infrared spectroscopy</subject><subject>Pathways</subject><subject>Titanium dioxide</subject><subject>Toluene</subject><issn>2044-4753</issn><issn>2044-4761</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNpF0c1LwzAYBvAgCo65i3chRxGq-Wia9ijFqTD0ogdPJU3fuErX1CRF619vu8rM5Q0vPx7CE4TOKbmmhGc3OtEDIYJJc4QWjMRxFMuEHh_ugp-ilfcfZDxxRknKFujnSYXeAbYG-94ZpQFr5UrbYt-BrsFj1Va4U2H7pQY_sbCF2mFj3U6FenR1O63wFgI4-w4t2N43w5gSVDN4qPCYGez30Mx8SrBNP7ozdGJU42H1N5fodX33kj9Em-f7x_x2E2mWshAlSckzQagRsSpVEqtKM2BayZhUlUlJxmQpJWdJVhFKGdMGmCmNMIwyTlPDl-hyzu2c_ezBh2JXew1No_ZvLWjKhRA8k3SkVzPVznrvwBSdq3fKDQUlxdRxkSf5277j9YgvZuy8Prj_P-C_yk17Hg</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Reining, S</creator><creator>Kondratenko, E. V</creator><creator>Bentrup, U</creator><creator>Radnik, J</creator><creator>Kalevaru, V. N</creator><creator>Martin, A</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20160101</creationdate><title>Nature of surface carbon species and pathways of their formation in the heterogeneously catalysed acetoxylation of toluene</title><author>Reining, S ; Kondratenko, E. V ; Bentrup, U ; Radnik, J ; Kalevaru, V. N ; Martin, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c282t-66b39501f54aba64adc2e2ca740ddf80927b773269d01122cfe2fbf5f212318f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Carbon</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Formations</topic><topic>Infrared spectroscopy</topic><topic>Pathways</topic><topic>Titanium dioxide</topic><topic>Toluene</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reining, S</creatorcontrib><creatorcontrib>Kondratenko, E. V</creatorcontrib><creatorcontrib>Bentrup, U</creatorcontrib><creatorcontrib>Radnik, J</creatorcontrib><creatorcontrib>Kalevaru, V. N</creatorcontrib><creatorcontrib>Martin, A</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Catalysis science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reining, S</au><au>Kondratenko, E. V</au><au>Bentrup, U</au><au>Radnik, J</au><au>Kalevaru, V. N</au><au>Martin, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nature of surface carbon species and pathways of their formation in the heterogeneously catalysed acetoxylation of toluene</atitle><jtitle>Catalysis science & technology</jtitle><date>2016-01-01</date><risdate>2016</risdate><volume>6</volume><issue>15</issue><spage>611</spage><epage>621</epage><pages>611-621</pages><issn>2044-4753</issn><eissn>2044-4761</eissn><abstract>The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO
2
catalyst and their formation pathways were systematically investigated. To reach this goal, steady-state catalytic experiments were combined with
in situ
temperature programmed oxidation (TPO) of catalyst samples treated under different reaction conditions. Complementary
in situ
as well as
ex situ
infrared (IR) and X-ray photoelectron spectroscopic (XPS) measurements were also performed to derive deeper mechanistic insights. Our studies revealed that the formation of surface carbon species occurs directly from acetic acid and indirectly from toluene with the former being, however, the main coke precursor. The derived knowledge provides the fundamentals for tailored catalyst design.
The origins of surface carbon species in the acetoxylation of toluene to benzyl acetate over Pd-Sb/TiO
2
catalyst and their formation pathways were systematically investigated.</abstract><doi>10.1039/c6cy00527f</doi><tpages>11</tpages></addata></record> |
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| issn | 2044-4753 2044-4761 |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Carbon Catalysis Catalysts Formations Infrared spectroscopy Pathways Titanium dioxide Toluene |
| title | Nature of surface carbon species and pathways of their formation in the heterogeneously catalysed acetoxylation of toluene |
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