Jump to main content
Jump to site search


Morphology-controlled fabrication of biomorphic alumina-based hierarchical LDH compounds for propane dehydrogenation reaction

Author affiliations

Abstract

A new material, MgAl-LDHs/Al2O3 fiber (abbreviated as MAF), was prepared using the classical hydrothermal method with a modification in this paper. The influence of different pH values on the structure and catalytic performance of catalysts for propane dehydrogenation was studied. The as-prepared materials were characterized by XRD, SEM, TEM, SAED, N2-physisorption, NH3-TPD, and TPO. Experimental results show that the pH value of the solution directly controlled the vertical growth of LDH sheets on Al2O3 fibers. After the suitable growth of LDH sheets, the dispersed state of active metal Pt was improved and the sizes were stabilized successfully at high temperature. Due to the effect of these LDH sheets, the BET surface and the regular pore system of the PtSn/15MAF catalysts were enhanced compared with the PtSn/CPMA catalysts. Finally, the propane dehydrogenation performance indicates that, when the pH was equal to 8.5, the catalysts (PtSn/15MAF) showed the highest conversion, selectivity and stability.

Graphical abstract: Morphology-controlled fabrication of biomorphic alumina-based hierarchical LDH compounds for propane dehydrogenation reaction

Back to tab navigation

Publication details

The article was received on 12 Jul 2017, accepted on 02 Oct 2017 and first published on 27 Nov 2017


Article type: Paper
DOI: 10.1039/C7NJ02523H
Citation: New J. Chem., 2018, Advance Article
  •   Request permissions

    Morphology-controlled fabrication of biomorphic alumina-based hierarchical LDH compounds for propane dehydrogenation reaction

    H. Zhang, Y. Zhang, Y. Zhou, X. Sheng, C. Zhang, J. Fang, S. Zhao and Y. Gao, New J. Chem., 2018, Advance Article , DOI: 10.1039/C7NJ02523H

Search articles by author

Spotlight

Advertisements