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All Journal JURNAL KIMIA SAINS DAN APLIKASI Jurnal Neutrino : jurnal fisika dan aplikasinya Alchemy : Journal of Chemistry Jurnal Zeolit Indonesia
Susi Nurul Khalifah
Jurusan Kimia Fakultas Sains Dan Teknologi Universitas Islam Negeri Maulana Malik Ibrahim Malang
Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Materials Science & Nanotechnology Physics

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Pengaruh Pemeraman dan Suhu Pada Sintesis Zeolit Y dari Lumpur Susi Nurul Khalifah; Udi Tyas; Saidun Fiddaroini; Suci Amalia
ALCHEMY:Journal of Chemistry Vol 10, No 1 (2022): ALCHEMY: Journal of Chemistry
Publisher : Department of Chemistry, Faculty of Science and Technology UIN Maulana Malik Ibrahim Malan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/al.v10i1.17334

Abstract

Pemeraman dapat meningkatkan laju nukleasi serta mengurangi periode induksi dan waktu kristalisasi zeolite. Sehingga, pemeraman memiliki peran penting pada proses sintesis zeolite Y. Sintesis zeolite Y dapat dilakukan dari bahan silika yang diekstrak dari lumpur Lapindo. Sintesis dilakukan dengan dan tanpa pemeraman dengan variasu suhu kristalisasi 60, 80 dan 100 oC. Hasil menunjukkan sintesis zeolite Y tanpa waktu pemeraman menghasilkan struktur berfasa amorf dengan suhu kristalisasi tidak mempengaruhi produk hasil reaksi. Sedangkan pemberian waktu pemeraman pada suhu ruang selama 24 jam sebelum kristalisasi dapat meningkatkan kristalinitas dari zeolit Y. Suhu kristalisasi juga mempengaruhi pembentukan zeolit Y, dimana kristalisasi pada suhu 100 oC menghasilkan lebih banyak produk zeolit Y daripada suhu kristalisasi 80 dan 60 oC.
Synthesis of NaX Zeolite from Blitar Kaolin via Hydrothermal and Sonication Methods with Alkali Fusion Pre-treatment Khalifah, Susi Nurul; Fiddaroini, Saidun; Arifah, Aminatus; Hasanah, Awwali Maf’ulah; Prasetyo, Anton
Jurnal Kimia Sains dan Aplikasi Vol 28, No 5 (2025): Volume 28 Issue 5 Year 2025
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.28.5.274-282

Abstract

NaX zeolite, widely recognized for its applications in cation exchange, adsorption, and catalysis, was successfully synthesized from Blitar natural kaolin using an alkali fusion pre-treatment, followed by two comparative synthesis methods: hydrothermal and sonication. The synthesis was conducted at 70°C for 2 and 4 hours. Optimal conditions were achieved with a NaOH/kaolin weight ratio of 2.0 and a synthesis gel composition of 10SiO2: 1Al2O3: 6Na2O: 180H2O (molar ratio). X-ray diffraction (XRD) confirmed the transformation of natural kaolin into sodium silicate, with sonication yielding phase-pure NaX zeolite, while the hydrothermal method resulted in NaX with sodalite impurities. Fourier-transform infrared (FTIR) spectroscopy identified characteristic NaX vibrations, and scanning electron microscopy (SEM) revealed cubic-shaped particles in the sonication method. The sonication process accelerated crystallization, producing higher-purity zeolite in shorter times than hydrothermal synthesis. These findings emphasize the effectiveness of sonication in enhancing the crystallinity and purity of NaX zeolite, offering a robust, time-efficient alternative for large-scale zeolite production.
Co-Authors Aisyah Erlynata, Aisyah Anton Prasetyo Anton Prasetyo Arifah, Aminatus Didik Prasetyoko Dwi Putri W. Pamungkas, Dwi Putri W. Elok Kamilah Hayati Eny Yulianti, Eny Fiddaroini, Saidun Hasanah, Awwali Maf’ulah Istighfarini, Vina Nurul Khusnan Mustofa, Khusnan Lalang Budi Rianto Maksum Maksum Nasifah, Ilmin Nasution, Annio Indah Lestari Nur Okta Erlina, Nur Okta Pujiana, Nurliza Rahmatulloh, Arief Saidun Fiddaroini Suci Amalia Tri Kustono Adi Udi Tyas