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2022 Vol.32, Issue 3 Preview Page
Effect of Sulfation on Physicochemical Properties of ZrO2 and TiO2 Nanoparticles
Karna Wijaya1†
,
Remi Ayu Pratika1
,
Edhita Rahmawati Fitri1
,
Prisnu Fadilah Prabani1
,
Yufinta Candrasasi1
,
Wahyu Dita Saputri2
,
Sri Mulijani3
,
Aep Patah4
,
Arief Cahyo Wibowo5
1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Gadjah Mada University, Yogyakarta 5581, Indonesia
2Research Center for Physics, National Research and Innovation Agency (BRIN), South Tangerang 15314, Indonesia
3Department of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Pertanian Bogor 16680, Indonesia
4Department of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung 40116, Indonesia
5Department of Applied Sciences, College of Arts and Sciences, Abu Dhabi University, Abu Dhabi 59911, United Arab Emirates
†Corresponding author E-Mail : karnawijaya@ugm.ac.id (K. Wijaya, Gadjah Mada Univ.)
March 2022. pp. 125-131
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Abstract

Effect of sulfation processes on the physicochemical properties of ZrO2 and TiO2 nanoparticles were thoroughly investigated. SO4/ZrO2 and SO4/TiO2 catalysts were synthesized to identify the acidity character of each. The wet impregnation method of ZrO2 and TiO2 nanoparticles was employed using H2SO4 with various concentrations of 0.5, 0.75, and 1 M, followed by calcination at 400, 500, and 600 °C to obtain optimum conditions of the catalyst synthesis process. The highest total acidity was found when using 1 M SO4/ZrO2-500 and 1 M SO4/TiO2-500 catalysts, with total acidity values of 2.642 and 6.920 mmol/ g, respectively. Sulfation increases titania particles via agglomeration. In contrast, sulfation did not practically change the size of zirconia particles. The sulfation process causes color of both catalyst particles to brighten due to the presence of sulfate. There was a decrease in surface area and pore volume of catalysts after sulfation; the materials’ mesoporous structural properties were confirmed. The 1 M SO4/ZrO2 and 1 M SO4/TiO2 catalysts calcined at 500 °C are the best candidate heterogeneous acid catalysts synthesized in thus work.

Keywords
sulphated
zirconia
titania
acidity
calcination
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 32
  • No :3
  • Pages :125-131
  • Received Date : 2021-09-04
  • Revised Date : 2022-03-04
  • Accepted Date : 2022-03-07
  • DOI :https://doi.org/10.3740/MRSK.2022.32.3.125
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