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Number of results

Journal

2012 | 10 | 6 | 1867-1874

Article title

Tuning the textural and surface properties of carbon xerogels to be used as supports for gold catalysts

Content

Title variants

Languages of publication

EN

Abstracts

EN
Carbon xerogels (CXs) synthesized from resorcinol and formaldehyde under different pH conditions were investigated. Both the textural and surface properties of the CXs depend closely on the pH used in the synthesis procedure. Concerning the texture, the mesoporous surface area (Smeso) increases and the micropore volume (Vmicro) decreases as the pH increases; concerning the surface chemistry, surface oxygen functional groups were easier to be created (by O2) on CX synthesized at lower pH. Application of these CXs as support of gold catalysts was also studied. Results showed that the oxygen activated CX that was synthesized at moderate pH (i.e., pH 6.0) was the most favorable support for gold catalysts used in selective oxidation of benzyl alcohol by molecular oxygen in liquid phase, due to the adequate amounts of surface oxygen functional groups created on the surface. [...]

Publisher

Journal

Year

Volume

10

Issue

6

Pages

1867-1874

Physical description

Dates

published
1 - 12 - 2012
online
21 - 9 - 2012

Contributors

author
  • Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, South-central University for Nationalities, Wuhan, 430074, Hubei, China
author
  • Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, South-central University for Nationalities, Wuhan, 430074, Hubei, China
author
  • LCM — Laboratory of Catalysis and Materials — Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, 4200-465, Porto, Portugal
author
  • Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, South-central University for Nationalities, Wuhan, 430074, Hubei, China
  • LCM — Laboratory of Catalysis and Materials — Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, 4200-465, Porto, Portugal

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11532-012-0106-2
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