Frontier in Catalytic Dehydrogenation

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 3794

Special Issue Editor


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Guest Editor
Department of Chemical Engineering, Hanyang University, Seoul 04763, Korea
Interests: heterogeneous catalysis; hydrogen storage/release; C1 chemistry; biomass conversion

Special Issue Information

Dear Colleagues,

The dehydrogenation reaction has been widely employed for the production of various commodity products, but is still a stringent issue in the chemical industry because it shows endothermic nature thermodynamically so that high reaction temperatures are required, meaning high energy cost. The stability of dehydrogenation catalysts is much challenging, as well under such harsh conditions. To overcome these detrimental drawbacks, a variety of approaches have been attempted in recent years, including not only development of active catalysts and/or efficient reaction systems but new concepts to reduce the enthalpy of dehydrogenation reaction. This Special Issue collects original research papers, reviews, and commentaries focused on the state-of-the-art challenges in catalytic dehydrogenation. Submissions are welcome especially (but not limited) in the following areas: H2 release from liquid organic hydrogen carriers, alkane (especially propane) dehydrogenation, acceptor-less dehydrogenative aromatization, oxidative dehydrogenation, and transfer dehydrogenation. 

Dr. Young-Woong Suh
Guest Editor

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Keywords

  • H2 generation via dehydrogenation of liquid organic hydrogen carriers (LOHCs)
  • Dehydrogenation of alkane molecules
  • Acceptorless dehydrogenative aromatization
  • Oxidative dehydrogenation
  • Catalytic transfer dehydrogenation
  • Catalysts for dehydrogenation reaction
  • Reactor for catalytic dehydrogenation

Published Papers (1 paper)

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Research

19 pages, 5964 KiB  
Article
Dehydrogenation of 2-[(n-Methylcyclohexyl)Methyl]Piperidine over Mesoporous Pd-Al2O3 Catalysts Prepared by Solvent Deficient Precipitation: Influence of Calcination Conditions
by Hari Babu Bathula, Jinho Oh, Yeongin Jo and Young-Woong Suh
Catalysts 2019, 9(9), 719; https://doi.org/10.3390/catal9090719 - 26 Aug 2019
Cited by 8 | Viewed by 3421
Abstract
A pair of 2-[(n-methylcyclohexyl)methyl]piperidine (H12-MBP) and its full dehydrogenation product (H0-MBP) has recently been considered as a potential liquid organic hydrogen carrier with 6.15 wt% H2 storage capacity. In the discovery of an active and stable [...] Read more.
A pair of 2-[(n-methylcyclohexyl)methyl]piperidine (H12-MBP) and its full dehydrogenation product (H0-MBP) has recently been considered as a potential liquid organic hydrogen carrier with 6.15 wt% H2 storage capacity. In the discovery of an active and stable catalyst for H2 discharge from H12-MBP at lower temperatures, a mesoporous Pd-Al2O3 catalyst (MPdA) was synthesized by a one-pot solvent deficient precipitation (SDP). In the present work, the sensitivity and effectiveness of the SDP method are examined by varying the calcination temperature and time in the preparation of the MPdA catalyst. The characterization revealed that the final properties of the MPdA catalyst greatly rely on both the calcination temperature and time. The MPdA catalyst showed better dehydrogenation activity for calcination at 600 °C than at other temperatures, because of Pd particles of smaller size with higher dispersion. Although the MPdA catalysts calcined at 600 °C for different periods of time have similar size and dispersion of Pd particles, the dehydrogenation efficiency was superior as the calcination time became shorter (e.g., 1 h), which originated from the better arrangement of Pd particles over a higher surface area. These MPdA catalysts, irrespective of the calcination time, displayed a remarkable stability in the dehydrogenation of H12-MBP owing to the protection of Pd particles by the Al2O3 layer. Full article
(This article belongs to the Special Issue Frontier in Catalytic Dehydrogenation)
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