Hermida, Lilis (2018) FT-IR and TGA of MCF Silica-Supported Nickel Catalyst. Journal of Materials and Environmental Sciences, 9 (8). pp. 2328-2333. ISSN 2028-2508

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Abstract

In the present study, active site–support bonds in calcined and reduced catalysts of MCF silica-supported nickel catalysts were investigated using FTIR analyses. FTIR results show the presence of nickel phyllosilicate bonds (-O-Ni-O-Si) in the calcined catalysts.However, nickel phyllosilicate bonds were not detected in the reduced catalysts indicating that nickel phyllosilicate bons were absence after reduction process. FTIR results confirmed the presence of Ni-O-Si bond in the reduced catalysts. TGA analyses were also carried to investigate catalyst stability in terms of weight loss, thermal behaviour and structural destruction. According to the TGA results, dried catalyst of MCF silica-supported nickel catalyst showed weight loss of around 9% in a region from room temperature to 300 oC and weigh loss of 6% at above 300 oC. Weight loss from room temperature to 300 oC was ascribed to desorption of physisorbed and chemisorbed water. Meanwhile, weight loss at above 300 oC could be due to slow decompositions of nickel phyllosilicate to the formation of nickel oxide.

Item Type:	Article
Subjects:	T Technology > TP Chemical technology
Divisions:	Fakultas Teknik (FT) > Prodi Teknik Kimia
Depositing User:	Dr. LILIS HERMIDA
Date Deposited:	22 Mar 2021 01:42
Last Modified:	22 Mar 2021 01:42
URI:	http://repository.lppm.unila.ac.id/id/eprint/28513

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