Martin A. , Andy (2000) Preparasi dan karakterisasi katalis Cu-Zeolit. Undergraduate thesis, FMIPA UNDIP.
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Abstract
Telah dilakukan penelitian pembuatan dan karakterisasi katalis Cu-zeolit. Aktivasi zeolit Edam dengan perlakuan HC1 6 N pada suhu 90 °C selama 3 jam. Pemmican logam pada penyangga dilakukan dengan metode impregnasi basah, yaitu perendaman penyagga zeolit dalam larutan garam prekursor CuSO4. 5 H2O ( 5% b/b). Proses perendaman ini bertujuan agar molekul-molekul garam prekursor terdispersi ke dalam penyangga zeolit melalui adsorpsi. Impregriasi diikuti dengan langkah pengeringan dan kalsinasi. Variabel sintesis yang ditinjan adalah waktu impregnasi dan bentuk penyangga pada saat di impregnasi. Herat penyangga, konsentrasi larutan, pengeringan dan kondisi kalsinasi di buat konstan. Karakterisasi katalis meliputi Spekirofotometri Serapan Atom (AAS) dan spektroskopi infra merah( Hasil AAS memmjukkan kadar Cu untuk katalis M : 0,66%; 5,9%;4,67% untuk waktu impregnasi 5; 10; 15 jam. Sedangkan katalis B kadar Cu : 10,2%; 7,2%; 11,2 % untuk waktu impregnasi 5; 10; 15 jam. Hasil spektra IR sebelum dan sesudah mengadsorpsi hidrokarbon pada temperatur 28 °C tidak memmjuickan adanya puncak ban', sedangkan pada temperatur 200 °C terbentuk puncak barn pada 1370 --1380 em4 dan 1450 cm"' dari gugus alkil hidrokarbon. The research about preparation and characterization catalysts Cu-zeolites has been done. Activity natural zeolites were treated with 6 N HC1 at temperature 90 °C for 3 hours. The loading of metal into support has been investigated by wet impegnation method, that was immersion of zeolites support in precursor salt solution Cu 504.51120 ( 5% w/w). The purpose of this process was to disperse precursor salt molecules in the zeolites support through adsorption. Drying and calcination followed impregnation. Synthesis variables were time of impregnation and form support zeolites that effected to impregnation. Support weight, solution concentrations, driving and calcinating condition in this experiment were made constant. Characterization of catalysts used Atomic adsorbtion spectrofotometri ( AAS) and Spectroscopy Infra. Red (IR). The result AAS that showed composition Cu in M catalyst 0.66%; 5.9%; 4.67% for 5; 10; 15 hours impregnation and B catalyst 11.2%; 7.2% ;11.2% for 5; 10; 15 hours impregnation. Result spectrum IR of catalyst that adsorb hidrocarbon at temperature 28 °C than not yet, not formed new peaks, but at temperature 200 °C formed new peaks at 1370-1380 cm-1 and 1450 cm -1 from hidrocarbon alkyl.
Item Type: | Thesis (Undergraduate) |
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Subjects: | Q Science > QD Chemistry |
Divisions: | Faculty of Science and Mathematics > Department of Chemistry |
ID Code: | 30759 |
Deposited By: | Mr UPT Perpus 1 |
Deposited On: | 07 Nov 2011 08:27 |
Last Modified: | 07 Nov 2011 08:27 |
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