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Effect of aging temperature during refluxing on the textural and surface acidic properties of zirconia catalysts
- Issue Date
- Oct-2017
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Zirconia; Reflux; Aging temperature; Acid properties; Dehydration
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.54, pp.137 - 145
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 54
- Start Page
- 137
- End Page
- 145
- ISSN
- 1226-086X
- Abstract
- Hydrous zirconia was synthesized via precipitation method, and effect of aging temperature during refluxing (30-100 degrees C) precursor solution was investigated. We found that the aging temperature influenced on structural and textural properties of the hydrous zirconia, with variations in the textural properties leading to changes in the surface properties of calcined zirconia, including the acid functionalities. In addition, ZrO2 aged at 100 degrees C exhibited the highest specific surface area and the highest Lewis and Bronsted acidities among the samples. Finally, enhanced catalytic activity was also observed for the ZrO2 samples prepared at higher aging temperatures in the dehydration of iso-propanol.
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Related Researcher
- Suh, Young Woong
- COLLEGE OF ENGINEERING (DEPARTMENT OF CHEMICAL ENGINEERING)