Effect of Addition Mode of Re in Bimetallic Pd–Re/TiO2 Catalysts Upon the Selective Aqueous-Phase Hydrogenation of Succinic Acid to 1,4-Butanediol

Hydrogenation of succinic acid aqueous solutions was performed using TiO 2 -supported 2 wt% Pd and 2 wt%Pd–x wt%Re catalysts, using either impregnation method or surface redox reduction of the monometallic catalyst. The former catalysts were superior in terms of activity and selectivity to 1,4-butan...

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Published inTopics in catalysis Vol. 55; no. 7-10; pp. 466 - 473
Main Authors Ly, Bao Khanh, Minh, Doan Pham, Pinel, Catherine, Besson, Michèle, Tapin, Benoit, Epron, Florence, Especel, Catherine
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.07.2012
Springer Verlag [1994-....]
Subjects
Catalysis
Characterization and Evaluation of Materials
Chemical Sciences
Chemistry
Chemistry and Materials Science
Environment and Society
Environmental Sciences
Industrial Chemistry/Chemical Engineering
Original Paper
Pharmacy
Physical Chemistry
1,4-butanediol
Succinic acid
Pd–Re catalysts
Hydrogenation
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Summary:Hydrogenation of succinic acid aqueous solutions was performed using TiO 2 -supported 2 wt% Pd and 2 wt%Pd–x wt%Re catalysts, using either impregnation method or surface redox reduction of the monometallic catalyst. The former catalysts were superior in terms of activity and selectivity to 1,4-butanediol than the latter ones. However, higher Re loadings (3.4–3.6 wt% compared to 0.6–0.8 wt%) were necessary to initiate this synergy.
ISSN:1022-5528
1572-9028
DOI:10.1007/s11244-012-9813-3