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Enhanced Activity and Stability of a Carbon-Coated Alumina-Supported Pd Catalyst in the Dehydrogenation of a Liquid Organic Hydrogen Carrier, Perhydro 2-(n-methylbenzyl)Pyridine

Title
Enhanced Activity and Stability of a Carbon-Coated Alumina-Supported Pd Catalyst in the Dehydrogenation of a Liquid Organic Hydrogen Carrier, Perhydro 2-(n-methylbenzyl)Pyridine
Author
서영웅
Keywords
liquid organic hydrogen carrier; dehydrogenation; carbon-coated alumina; supported Pd catalysts
Issue Date
2018-09
Publisher
WILEY-V C H VERLAG GMBH
Citation
CHEMCATCHEM, v. 10, no. 17, page. 3892-3900
Abstract
The activity and stability of supported Pd catalysts are of crucial importance in the dehydrogenation of perhydro 2-(n-methylbenzyl)pyridine (H-12-MBP) reported as a potential liquid organic hydrogen carrier. Because of good stability examined in many hydroprocessing reactions, carbon-coated alumina (CCA) was chosen as a support for Pd loading and prepared by the pyrolysis of glycerol solution with different concentrations. The catalytic activity and stability of Pd/CCA catalysts exhibited a volcano-shaped relationship with the carbon content. Various characterization results revealed that the degree of carbon coating affected the acidity, Pd loading and particle size, reactant adsorption capacity, and H-2 release at low temperatures. At an optimal carbon content (3.3wt% in this work), these properties are believed to be balanced well, thus showing the best catalytic performance. Moreover, the improvement of catalytic activity was examined with supported Pd on carbon-coated silica-alumina of 3.3wt% carbon content.
URI
https://onlinelibrary.wiley.com/doi/abs/10.1002/cctc.201800537http://repository.hanyang.ac.kr/handle/20.500.11754/120044
ISSN
1867-3880; 1867-3899
DOI
10.1002/cctc.201800537
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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