scholarly journals The selective hydrogenation of furfural over supported palladium nanoparticle catalysts prepared by sol-immobilisation: effect of catalyst support and reaction conditions

2018 ◽  
Vol 8 (1) ◽  
pp. 252-267 ◽  
Author(s):  
Reem Albilali ◽  
Mark Douthwaite ◽  
Qian He ◽  
Stuart H. Taylor
Keyword(s):  
Selective Hydrogenation ◽  
Catalyst Support ◽  
Palladium Nanoparticle ◽  
Reaction Conditions ◽  
Nanoparticle Catalysts ◽  
Mild Conditions ◽  
Supported Palladium

Pd-TiO2 nanoparticles prepared by sol-immobilisation are very active for selective hydrogenation of furfural under mild conditions, and addition of Pt enhances performance to achieve a 95% yield of tetrahydrofurfuryl alcohol.

scholarly journals Kinetic Study of the Selective Hydrogenation of Acetylene over Supported Palladium under Tail-End Conditions

Catalysts ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 180 ◽  
Author(s):  
Caroline Urmès ◽  
Jean-Marc Schweitzer ◽  
Amandine Cabiac ◽  
Yves Schuurman
Keyword(s):  
Selective Hydrogenation ◽  
Active Site ◽  
Reaction Conditions ◽  
Selective Hydrogenation Of Acetylene ◽  
End Conditions ◽  
Supported Palladium ◽  
Α Al2o3 ◽  
Intrinsic Kinetic ◽  
Kinetics Of ◽  
Al2o3 Catalyst

The kinetics of the selective hydrogenation of acetylene in the presence of an excess of ethylene has been studied over a 0.05 wt. % Pd/α-Al2O3 catalyst. The experimental reaction conditions were chosen to operate under intrinsic kinetic conditions, free from heat and mass transfer limitations. The data could be described adequately by a Langmuir–Hinshelwood rate-equation based on a series of sequential hydrogen additions according to the Horiuti–Polanyi mechanism. The mechanism involves a single active site on which both the conversion of acetylene and ethylene take place.

Highly selective hydrogenation of quinolines promoted by recyclable polymer supported palladium nanoparticles under mild conditions in aqueous medium

2014 ◽  
Vol 481 ◽  
pp. 89-95 ◽  
Author(s):  
Maria Michela Dell’Anna ◽  
Vito Filippo Capodiferro ◽  
Matilda Mali ◽  
Daniela Manno ◽  
Pietro Cotugno ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Selective Hydrogenation ◽  
Palladium Nanoparticles ◽  
Mild Conditions ◽  
Supported Palladium ◽  
Polymer Supported

scholarly journals Effects of TiO2 structure and Co addition as a second metal on Ru-based catalysts supported on TiO2 for selective hydrogenation of furfural to FA

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Weerachon Tolek ◽  
Natdanai Nanthasanti ◽  
Boontida Pongthawornsakun ◽  
Piyasan Praserthdam ◽  
Joongjai Panpranot
Keyword(s):  
Strong Interaction ◽  
Selective Hydrogenation ◽  
Sol Gel ◽  
Reaction Conditions ◽  
Hydrogenation Activity ◽  
Co Catalysts ◽  
Alloying System ◽  
Mild Conditions ◽  
Co Addition ◽  
Catalytic Performances

AbstractThe TiO2 supported Ru-based catalysts were prepared with 1.5 wt% Ru and 0–0.8 wt% Co on various TiO2 (anatase, rutile, P-25, and sol–gel TiO2) and studied in the liquid-phase selective hydrogenation of furfural to furfuryl alcohol (FA) under mild conditions (50 °C and 2 MPa H2). The presence of high anatase crystallographic composition on TiO2 support was favorable for enhancing hydrogenation activity, while the strong interaction between Ru and TiO2 (Ru–TiOx sites) was required for promoting the selectivity to FA. The catalytic performances of bimetallic Ru–Co catalysts were improved with increasing Co loading due to the synergistic effect of Ru–Co alloying system together with the strong interaction between Ru and Co as revealed by XPS, H2-TPR, and TEM–EDX results. The enhancement of reducibility of Co oxides in the bimetallic Ru–Co catalysts led to higher hydrogenation activity with the Ru–0.6Co/TiO2 catalyst exhibited the best performances in FA selective hydrogenation of furfural to FA under the reaction conditions used.

On the nature of the deactivation of supported palladium nanoparticle catalysts in the decarboxylation of fatty acids

2011 ◽  
Vol 396 (1-2) ◽  
pp. 85-90 ◽  
Author(s):  
Eric W. Ping ◽  
John Pierson ◽  
Robert Wallace ◽  
Jeffrey T. Miller ◽  
Thomas F. Fuller ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Palladium Nanoparticle ◽  
Nanoparticle Catalysts ◽  
Supported Palladium
Sign in / Sign up

Export Citation Format

Share Document