Effect of SrO content on Zeolite Structure

12th Joint Conference on Chemistry

Widiarti, N.^1 ; Sari, U.S.^1 ; Mahatmanti, F.W.^1 ; Harjito^1 ; Kurniawan, C.^1 ; Prasetyoko, D.^2 ; Suprapto^2

Department of Chemistry FMIPA, Universitas Negeri Semarang, Semarang

50229, Indonesia^1

Department of Chemistry FMIPA, Sepuluh Nopember Institute of Technology, Surabaya, Indonesia^2

关键词: Aluminum isopropoxides;    Fourier transform infrared;    Hydrothermally treated;    Impregnation methods;    Surface area analysis;    Surface area analyzers;    Synthesized zeolite;    Tetraethyl orthosilicates;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/349/1/012045/pdf
DOI  :  10.1088/1757-899X/349/1/012045

来源: IOP

【 摘 要 】

The aims of current studies is to investigate the effect of strontium oxide content (SrO) on synthesized zeolite. Zeolite was synthesized from Tetraethyl orthosilicate (TEOS) as precursors of SiO2and aluminum isopropoxide (AIP) precursors. The mixture was aged for 3 days and hydrothermally treated for 6 days. The SrO content was added by impregnation method. The products were then characterized using X-Ray Diffraction (XRD), Fourier Transform Infrared (FTIR), and Surface Area Analyzer (SAA). The diffractogram confirmed the formation of Faujasite-like zeolite. However, after the addition of SrO, the crystallinity of zeolite was deformed. The diffractograms shows the amorphous phase of zeolite were decrease as the SrO content is increase. The structural changes was also observed from FTIR spectra which shows the shifting and peak formation. The surface area analysis showed that the increasing loading of SrO/Zeolites reduced the catalyst surface area.