Hydroconversion of C18 fatty acids using PtNi/Al2O3: Insight in the role of hydroxyl groups in Al2O3

作者：Chen, Hao; Zhang, Xiangwen; Wang, Qingfa^*

来源：Catalysis Communications, 2017, 97: 14-17.

DOI：10.1016/j.catcom.2017.04.012

• C-18 fatty acids
• Hydroxyl groups
• Support PtNi catalyst
• Decarboxylation
• Decarbonylation

The catalytic hydroconversion of C-18 fatty acids over PtNi/Al2O3 catalysts was investigated to explore the role of hydroxyls in Al2O3 on the catalytic activity. The amount of hydroxyls in acidic Al2O3 was 2.5 times that in neutral Al2O3 but with the same acidity. High content of hydroxyl in Al2O3 increased the NiPt-Al(2)O(3)interaction and differed the Pt valence distribution. The NiPt/acidic Al2O3 catalyst showed 56% DCO2 while the Ni-Pt/neutral Al2O3 catalyst showed 58% DCO products due to the different NiPt-Al2O3 interaction. The high amount of Pt4+ species in NiPt alloy contributed to the high selectivity of DCO2 reaction.

• 出版日期2017-7-5
• 单位天津大学