Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid
The hydrogenation reaction of muconic acid, produced from biomass using fermentative processes, to bio-adipic acid is one of the most appealing green emerging chemical process. This reaction can be promoted by catalysts based on a metal belonging to the platinum group, and the use of a second metal...
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MDPI AG
2021
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oai:doaj.org-article:4367451ed1844d0386375a6092f046452021-11-25T17:05:45ZPd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid10.3390/catal111113132073-4344https://doaj.org/article/4367451ed1844d0386375a6092f046452021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4344/11/11/1313https://doaj.org/toc/2073-4344The hydrogenation reaction of muconic acid, produced from biomass using fermentative processes, to bio-adipic acid is one of the most appealing green emerging chemical process. This reaction can be promoted by catalysts based on a metal belonging to the platinum group, and the use of a second metal can preserve and increase their activity. Pd–Au bimetallic nanoparticle samples supported on high-temperature, heat-treated carbon nanofibers were prepared using the sol immobilization method, changing the Pd–Au molar ratio. These catalysts were characterized by TEM, STEM, and XPS analysis and tested in a batch reactor pressurized with hydrogen, where muconic acid dissolved in water was converted to adipic acid. The synthesized Pd–Au bimetallic catalysts showed higher activity than monometallic Au and Pd material and better stability during the recycling tests. Moreover, the selectivity toward the mono-unsaturated changed by decreasing the Pd/Au molar ratio: the higher the amount of gold, the higher the selectivity toward the intermediates.Sofia CapelliIlaria BarloccoFederico Maria ScesaXiaohui HuangDi WangFrancesca TessoreAlberto VillaAlessandro Di MicheleCarlo PirolaMDPI AGarticleadipic acidmuconic acidbimetallic catalystspalladiumgolddeactivationChemical technologyTP1-1185ChemistryQD1-999ENCatalysts, Vol 11, Iss 1313, p 1313 (2021) |
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DOAJ |
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EN |
| topic |
adipic acid muconic acid bimetallic catalysts palladium gold deactivation Chemical technology TP1-1185 Chemistry QD1-999 |
| spellingShingle |
adipic acid muconic acid bimetallic catalysts palladium gold deactivation Chemical technology TP1-1185 Chemistry QD1-999 Sofia Capelli Ilaria Barlocco Federico Maria Scesa Xiaohui Huang Di Wang Francesca Tessore Alberto Villa Alessandro Di Michele Carlo Pirola Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid |
| description |
The hydrogenation reaction of muconic acid, produced from biomass using fermentative processes, to bio-adipic acid is one of the most appealing green emerging chemical process. This reaction can be promoted by catalysts based on a metal belonging to the platinum group, and the use of a second metal can preserve and increase their activity. Pd–Au bimetallic nanoparticle samples supported on high-temperature, heat-treated carbon nanofibers were prepared using the sol immobilization method, changing the Pd–Au molar ratio. These catalysts were characterized by TEM, STEM, and XPS analysis and tested in a batch reactor pressurized with hydrogen, where muconic acid dissolved in water was converted to adipic acid. The synthesized Pd–Au bimetallic catalysts showed higher activity than monometallic Au and Pd material and better stability during the recycling tests. Moreover, the selectivity toward the mono-unsaturated changed by decreasing the Pd/Au molar ratio: the higher the amount of gold, the higher the selectivity toward the intermediates. |
| format |
article |
| author |
Sofia Capelli Ilaria Barlocco Federico Maria Scesa Xiaohui Huang Di Wang Francesca Tessore Alberto Villa Alessandro Di Michele Carlo Pirola |
| author_facet |
Sofia Capelli Ilaria Barlocco Federico Maria Scesa Xiaohui Huang Di Wang Francesca Tessore Alberto Villa Alessandro Di Michele Carlo Pirola |
| author_sort |
Sofia Capelli |
| title |
Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid |
| title_short |
Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid |
| title_full |
Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid |
| title_fullStr |
Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid |
| title_full_unstemmed |
Pd–Au Bimetallic Catalysts for the Hydrogenation of Muconic Acid to Bio-Adipic Acid |
| title_sort |
pd–au bimetallic catalysts for the hydrogenation of muconic acid to bio-adipic acid |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/4367451ed1844d0386375a6092f04645 |
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