Effect of support redox character on catalytic performance in the gas phase hydrogenation of benzaldehyde and nitrobenzene over supported gold
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- 作者：Maoshuai Li ; Xiaodong Wang ; Fernando Cá ; rdenas-Lizana ; f.cardenaslizana@hw.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Mark A. Keane
- 关键词：Selective hydrogenation ; Benzaldehyde ; Nitrobenzene ; Reducible supports ; Oxygen vacancies ; Au particle size effect
- 刊名：Catalysis Today
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：279
- 期：part_P1
- 页码：19-28
- 全文大小：2474 K
文摘
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Exclusive hydrogenation to benzyl alcohol and aniline over supported Au.
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TOF increased with decreasing Au size (8- 4 nm); lower TOF over Au <3 nm.
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Auδ− on non-reducible Al2O3 favours selective formation of benzyl alcohol.
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Higher temperatures (>413 K) promote hydrogenolysis to toluene and benzene.