MODIFIKASI NATRIUM - ZEOLITE SOCONY MOBIL-5 (Na-ZSM-5) DENGAN LOGAM BESI (III) NITRAT NONAHIDRAT Fe(NO3)3.9H2O) MENGGUNAKAN METODE IMPREGNASI

Nuraffandy, Achmad Naufal (2025) MODIFIKASI NATRIUM - ZEOLITE SOCONY MOBIL-5 (Na-ZSM-5) DENGAN LOGAM BESI (III) NITRAT NONAHIDRAT Fe(NO3)3.9H2O) MENGGUNAKAN METODE IMPREGNASI. Undergraduate thesis, UPN Veteran Jawa Timur.

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Abstract

This research aims to synthesize modified sodium-based Zeolite Socony Mobil-5 (Na-ZSM-5) by incorporating iron(III) nitrate nonahydrate (Fe(NO₃)₃·9H₂O) through the impregnation method. The modification was carried out by varying Fe concentrations (0.05 M, 0.10 M, 0.15 M, 0.20 M, and 0.25 M) and impregnation times (1–3 hours) to observe the effects on the zeolite's surface morphology and functional groups. Characterization was performed using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR). SEM analysis revealed that at 0.05 M Fe concentration, the ZSM-5 phase was more prominent and well-formed, while at 0.15 M, amorphous structures dominated. FTIR analysis confirmed the presence of functional groups such as O-Si-O and hydroxyl groups, with the highest absorption peak observed at 1046.315 cm⁻¹ for the 0.05 M sample after 3 hours of impregnation. The results indicate that excessive Fe concentration may disrupt the zeolite framework and reduce its selectivity, whereas longer impregnation times enhance Fe absorption. This study demonstrates that Fe modification via impregnation can improve the catalytic potential of ZSM-5.

Item Type:

Thesis (Undergraduate)

Contributors: