Pengaruh Molekul Pengarah Struktur Terhadap Modifikasi Zeolit Alam Untuk Padatan Pendukung Amobilsasi Sel Khamir Phaffia rhodozyma

Ahmad Suseno

doi:10.14710/jksa.10.1.18-23

DOI: https://doi.org/10.14710/jksa.10.1.18-23

Pengaruh Molekul Pengarah Struktur Terhadap Modifikasi Zeolit Alam Untuk Padatan Pendukung Amobilsasi Sel Khamir Phaffia rhodozyma

Ahmad Suseno

Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia

Published: 1 Apr 2007.

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Abstract

Modifikasi zeolit dari bahan zeolit alam telah dilakukan dengan menggunanakan pereaksi silika dan alumina berasal dari zeolit alam, tetrabutilamonium thiosianida sebagai kation basa organik, setil-trimetilammonium bromida sebagai molekul pengarah struktur dan natrium silikat untuk memperkaya kandungan silikat.Tahapan modifikasi dilakukan melalui destruksi basa, hidrotermal, dilanjutkan dengan proses kalsinasi pada temperatur 550oC. Hasil modifikasi selanjutnya dikarakterisasi mengguna-kan FTIR, XRD, serta pengukuran pori dengan metoda adsorpsi gas.Hasil penelitian menunjukkan bahwa padatan hasil modifikasi memiliki karakter mikrostruktur padatan berpori dengan kristalinitas tinggi dan ukuran pori rerata sebesar 27Å. Uji aplikasi menunjukkan bahwa padatan hasil modifikasi dapat digunakan sebagai padatan pendukung amobilisasi sel Khamir Phaffia rhodozyma.

Kata kunci : zeolit alam, ukuran pori, molekul pengarah struktur

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Keywords: zeolit alam; ukuran pori; molekul pengarah struktur

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Section: Research Articles

Language : ID

In Vol 10, No 1 (2007): Volume 10 Issue 1 Year 2007

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