Room: Poster Area
Date: Thursday, 21 May 2026
Time: 11:30 - 12:45 CEST
Session code 5CV.3
Hydrothermal processing
Aqueous-phase Reforming of Ethylene Glycol over Pt-based Catalysts
Short Introductive summary
This study examined the effects of support type and carbon coating on the activity and stability of Pt catalysts for the aqueous-phase reforming (APR) of ethylene glycol (EG). Hydrothermal treatment and XRD analysis of Al2O3, SiO2, and SiO2-Al2O3 showed that SiO2 had the highest hydrothermal stability, while boehmite formed on Al2O3 and SiO2-Al2O3. Carbon-coated SiO2 supports were prepared using furfuryl alcohol and used to synthesize Pt catalysts. Batch APR tests showed that catalytic activity depended on carbon content, and the highest activity was obtained with 5 wt% Pt/5% C/SiO2. In a continuous trickle-bed reactor at 250 °C, this catalyst showed stable performance, with an average EG conversion of 14.9 ± 1.5%, comparable to 5 wt% Pt/SiO2 (15.1 ± 1.5%). After reaction, Pt/SiO2 showed severe Pt sintering and a large decrease in H2 uptake, whereas 5 wt% Pt/5% C/SiO2 maintained relatively higher H2 uptake. These results indicate that hydrothermally stable SiO2 and surface carbon modification are effective for improving catalyst stability and preserving accessible Pt active sites during APR.
Presenter
Su kyung WOO
Ajou university, Energy Systems Research, Ajou University, REPUBLIC OF KOREA
Biographies and Short introductive summaries are supplied directly by presenters and are published here unedited
Co-authors:
B.H. Hwang, Ajou university, Suwon, REPUBLIC OF KOREA
E.D. Park, Ajou university, Suwon, REPUBLIC OF KOREA
Session reference: 5CV.3.29