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IIIB族和IVB族金属氢化物的丙烷脱氢催化作用。

Propane dehydrogenation catalysis of group IIIB and IVB metal hydrides.

作者信息

Hu Xiaoming, Huang Mengwen, Kinjyo Tetsuya, Mine Shinya, Toyao Takashi, Hinuma Yoyo, Kitano Masaaki, Sato Toyoto, Namiki Norikazu, Shimizu Ken-Ichi, Maeno Zen

机构信息

Institute for Catalysis, Hokkaido University N-21, W-10 Sapporo 001-0021 Japan.

School of Advanced Engineering, Kogakuin University 2665-1, Nakano-cho Hachioji 192-0015 Japan

出版信息

RSC Adv. 2024 Jul 25;14(32):23459-23465. doi: 10.1039/d4ra02473g. eCollection 2024 Jul 19.

DOI:10.1039/d4ra02473g
PMID:39055265
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11270002/
Abstract

Catalytic propane dehydrogenation (PDH) has mainly been studied using metal- and metal oxide-based catalysts. Studies on dehydrogenation catalysis by metal hydrides, however, have rarely been reported. In this study, PDH reactions using group IIIB and IVB metal hydride catalysts were investigated under relatively low-temperature conditions of 450 °C. Lanthanum hydride exhibited the lowest activation energy for dehydrogenation and the highest propylene yield. Based on kinetics studies, a comparison between the reported calculation results and isotope experiments, the hydrogen vacancies of metal hydrides were involved in low-temperature PDH reactions.

摘要

催化丙烷脱氢（PDH）主要使用基于金属和金属氧化物的催化剂进行了研究。然而，关于金属氢化物脱氢催化的研究报道很少。在本研究中，在450℃的相对低温条件下研究了使用IIIB族和IVB族金属氢化物催化剂的PDH反应。氢化镧表现出最低的脱氢活化能和最高的丙烯产率。基于动力学研究、报道的计算结果与同位素实验之间的比较，金属氢化物的氢空位参与了低温PDH反应。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb98/11270002/02b84f09834a/d4ra02473g-f1.jpg
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本文引用的文献

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ACS Omega. 2022 Aug 23;7(35):30773-30781. doi: 10.1021/acsomega.2c01729. eCollection 2022 Sep 6.
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A Robust and Efficient Propane Dehydrogenation Catalyst from Unexpectedly Segregated PtMn Nanoparticles.一种由意外分离的铂锰纳米颗粒制成的稳健且高效的丙烷脱氢催化剂。
J Am Chem Soc. 2022 Jul 27;144(29):13384-13393. doi: 10.1021/jacs.2c05618. Epub 2022 Jul 14.
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Teaming up main group metals with metallic iron to boost hydrogenation catalysis.
将主族金属与金属铁结合以促进氢化催化。
Nat Commun. 2022 Jun 9;13(1):3210. doi: 10.1038/s41467-022-30840-4.
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Hexagonal BaTiOH Oxyhydride as a Water-Durable Catalyst Support for Chemoselective Hydrogenation.六方晶系的氢氧钛酸钡作为用于化学选择性氢化的耐水催化剂载体。
J Am Chem Soc. 2022 Apr 13;144(14):6453-6464. doi: 10.1021/jacs.2c00976. Epub 2022 Apr 5.
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Tailoring Single-Atom Platinum for Selective and Stable Catalysts in Propane Dehydrogenation.定制用于丙烷脱氢的选择性和稳定催化剂的单原子铂
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