Operando X-Ray Absorption and Kinetic Study of Single-Site Gallium Catalysts for Propane Dehydrogenation

Cybulskis, Viktor

Wednesday, June 17, 2015: 1:30 PM

407 (Lawrence Convention Center)

Viktor Cybulskis¹, Shankali Pradhan¹, Juan Lovón Quintana¹, Adam S. Hock^2,3, Bo Hu³, Guanghui Zhang², Jeffrey T. Miller², W. Nicholas Delgass¹ and Fabio H. Ribeiro¹, (1)Purdue University, USA, (2)Argonne National Laboratory, USA, (3)Illinois Institute of Technology, USA.

Tetrahedral, single-site Ga³⁺ on silica is active for propane dehydrogenation with up to 99% selectivity at 4% propane conversion and can be reactivated under O₂ at room temperature. At higher temperatures, a less active, reduced Ga species is formed, which converts to Ga³⁺ during PDH.

Extended Abstracts:

NACS abstract_Ga operando XAS_VJC_FINAL.pdf (37.4KB) - Extended Abstract

O-W-407-8 Operando X-Ray Absorption and Kinetic Study of Single-Site Gallium Catalysts for Propane Dehydrogenation