PULUNGAN, AKHIR MAULUDIN (2019) PREPARASI DAN KARAKTERISASI ZEOLIT ALAM SARULLA SEBAGAI MATERIAL KATALIS : PENGARUH DEALUMINASI DAN DESILIKALISASI TERHADAP KARAKTER ZEOLIT. Undergraduate thesis, Universitas Negeri Medan.
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Abstract
Penelitian tentang “ Preparasi dan Karakterisasi Zeolit Alam Sarulla (ZAS) Sebagai Material Katalis : Pengaruh Dealuminasi dan Desilikalisasi Terhadap Karakter Zeolit “ telah di lakukan dengan menggunakan proses aktivasi ZAS dengan metode kimia menggunakan larutan asam HCl dengan variasi 3M; 5M; dan 7M dan larutan basa NaOH dengan variasi 0,2M; 0,5M; dan 2M di lanjutkan proses kalsinasi pada suhu 500o C dengan aliran gas N2 selama 2 jam. Karakterisasi material katalis meliputi analisis dengan X-Ray Diffraction (XRD), Fourier Transform Infra-Red (FTIR), X-Ray Fluoresence (XRF), penentuan luas permukaan dan pori dengan metode Bruneur, Emmet, Teller (BET) menggunakan gas sorption analyzer, dan analisis morfologi permukaan katalis dengan Scanning Electron Microscopy (SEM). Hasil analisis XRD di peroleh puncak karakteristik ZAS berada pada 2θ 20- 30o dan mengandung komponen utama kristal mordenit dan klinoptilolit. Serapan vibrasi dari gugus TO4 ZAS teramati pada bilangan gelombang 1042,35 cm-1 dengan rasio Si/Al = 1. Aktivasi dengan HCl dan kalsinasi secara umum meningkatkan kristalinitas dan luas permukaan ZAS. Rasio Si/Al tertinggi di peroleh dengan aktivasi HCl 7M sebesar 5,1 dengan luas permukaan 132,38 m2/g. Sementara, aktivasi dengan basa NaOH menunjukkan terjadi penurunan kristalinitas pada H-ZAB 0,5M dan secara umum menurunkan luas permukaan ZAS. Rasio Si/Al tertinggi di peroleh pada perlakuan NaOH 0,2M dan 0,5M sebesar 1,8 dengan luas permukaan masing- masing 26,936 m2/g dan 22,723 m2/g. Analisis morfologi dengan SEM menunjukkan bahwa aktivasi dengan HCl menghasilkan permukaan yang lebih homogen dibandingkan dengan aktivasi NaOH.
Item Type: | Thesis (Undergraduate) | |||||||||
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Call Number: | SK-2019 KIM 151 | |||||||||
Keywords: | Zeolit Alam SArulla, Dealuminasi, Desilikalisasi, Kristalinitas, Morfologi, Luas Permukaan | |||||||||
Subjects: | Q Science > QD Chemistry Q Science > QD Chemistry > QD71 Analytical chemistry |
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Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia | |||||||||
Depositing User: | Mrs Elsya Fitri Utami | |||||||||
Date Deposited: | 13 Nov 2019 10:56 | |||||||||
URI: | http://digilib.unimed.ac.id/id/eprint/36595 |
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