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Synthesis, characterization and catalytic oxidation of ce-doped tin oxide for ethanol oxidation

Synthesis, characterization and catalytic oxidation of ce-doped tin oxide for ethanol oxidation / Ekmal Harris Abdul Malek
Dalam laporan ini, SnO2 didopkan cerium telah disintesis dengan menggunakan kaedah pengisitepuan . SnO2 komersial, cerium (III) nitrat hexahydrate (Ce (NO3)3.6H2O) dan etanol dicampurkan pada suhu bilik dan seterusnya diikuti dengan proses pengkalsinan. Serbuk pemangkin telah disintesis dengan mengubah komposisi cerium (III) nitrat hexahydrate. Produk berkenaan telah dicirikan dengan menggunakan kaedah analisis X-ray Diffraction (XRD), Brunauer - Emmett -Teller (BET), Scanning Electron Microscopy (SEM) dan Energy Dispersion X-ray (EDX). Serbuk pemangkin telah dipeletkan dan diujikan prestasi pemangkinannya dalam reaktor berskala kecil. Penukaran ethanol diubah dengan suhu operasi yang berbeza , masa yang diambil untuk etanol untuk bertindak balas dan kepekatan etanol masuk ke dalam reaktor. Hasil kajian menunjukkan bahawa SnO2 didopkan 20 wt % Ce mempamerkan penukaran etanol tinggi dan menunjukkan potensi tinggi sebagai sensor untuk mengesan etanol. _______________________________________________________________________________________________________ In this report, Cerium doped SnO2 was synthesized by using impregnation method. Commercial SnO2 as a base, cerium (III) nitrate hexahydrate (Ce(NO3)3.6H2O) as a solute and ethanol as a solvent were mixed at room temperature combined and followed by a subsequent calcination process. The catalytic powder was synthesized by varying the composition of cerium (III) nitrate hexahydrate. The products were characterized by X-ray Diffraction analysis (XRD), Brunauer-Emmett-Teller (BET), Scanning electron microscopy (SEM) and Energy Dispersive X-ray (EDX). The catalytic powder was pelletized and tested the catalytic performance in a small scale packed bed reactor. The ethanol conversion was varied with different operating temperature, time take for ethanol to react and inlet ethanol concentration. The result showed that the 20 wt% Ce doped SnO2 exhibited high ethanol conversion, implying the potential application of the sensor for detecting ethanol.
Contributor(s):
Ekmal Harris Abdul Malek - Author
Primary Item Type:
Final Year Project
Identifiers:
Accession Number : 875005990
Barcode : 00003103376
Language:
French
Subject Keywords:
Cerium; SnO2; using impregnation method
First presented to the public:
5/9/2016
Original Publication Date:
5/21/2018
Previously Published By:
Universiti Sains Malaysia
Place Of Publication:
School of Chemical Engineering
Citation:
Extents:
Number of Pages - 62
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2018-05-21 13:02:23.672
Date Last Updated
2019-01-07 11:24:32.9118
Submitter:
Mohd Jasnizam Mohd Salleh

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