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HomeMaterials Science ForumMaterials Science Forum Vol. 948Preparation of Cr Metal Supported on Sulfated...

Preparation of Cr Metal Supported on Sulfated Zirconia Catalyst

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Abstract:

Catalyst of Chromium (Cr) metal supported on sulfated zirconia (SZ) was prepared by wet impregnation method. This study aim to determine the optimal concentration of Cr metal that impregnated on SZ catalyst. Preparation of catalyst was conducted at different concentrations of Cr metal (0.5%, 1%, 1.5% (w/w)), impregnated on SZ catalyst, then followed by the calcinationand reduction process. Catalysts were charaterized by FTIR, XRD, XRF, SAA, TEM, and acidity test. The results showed the Cr/SZ 1% had the highest acidity value of 8.22 mmol/g which confirmed from FTIR spectra. All the crystal phase of these catalysts were in monoclinic. The specific surface area increased with the increasing of Cr metal concentration on SZ catalyst and the isotherm adsorption-desorption of N₂ gas observed all the catalysts as mesoporous material. The impregnation process formed particles agglomeration.

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Symposium of Materials Science and Chemistry

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Periodical:

Materials Science Forum (Volume 948)

Pages:

221-227

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.948.221

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Online since:

March 2019

Authors:

Latifah Hauli, Karna Wijaya*, Ria Armunanto

Keywords:

Catalyst, Chromium, Sulfated Zirconia

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