Studi Pembuatan dan Karakterisasi Membran Pervaporasi Berbahan Dasar Zeolit Alam

Muslimin Muslimin -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University Jl. Prof. Soedarto, SH., Tembalang, Semarang, Indonesia
*Taslimah Taslimah -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University Jl. Prof. Soedarto, SH., Tembalang, Semarang, Indonesia
Rahmad Nuryanto -  Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University Jl. Prof. Soedarto, SH., Tembalang, Semarang, Indonesia
Published: 1 Aug 2014.
Open Access Copyright 2014 Jurnal Kimia Sains dan Aplikasi

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Abstract
Pembuatan membran anorganik dengan cara mencampurkan γ alumina kaolin dan air telah dilakukan. Selanjutnya ditambahkan campuran bahan aditif hingga diperoleh pasta. Pasta dicetak menjadi bentuk pelet, dikalsinasi pada suhu 1250°C selama 4 jam, selanjutnya dilapisi dengan pasta zeolit. Membran yang dibuat dipanaskan pada 400°C dan 1250°C selama 4 jam. Karakterisasi membran dilakukan dengan menggunakan universal testing machine, XRD, SEM dan uji perendaman. Disimpulkan bahwa membran zeolit dengan suhu aktifasi 400°C mempunyai kuat tekan yang paling besar yakni 13,73 x 10-3 (N/mm2). Mineral komponen penyusun membran adalah mordenit, sedangkan alumina dan kaolin dalam keadaan amorf. Marfologi permukaan membran yang terbentuk tidak seragam, membran dengan pemanasan 1250°C memiliki kekuatan dan ketahanan pada uji perendaman dalam air.
Keywords
Membran zeolit; support layer; pervaporasi

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