Pengaruh Metoda Preparasi Terhadap Aktivitas Katalis Nikel Dengan Penyangga Titania

D Sondari

doi:10.14710/reaktor.6.1.44-47

DOI: https://doi.org/10.14710/reaktor.6.1.44-47

Pengaruh Metoda Preparasi Terhadap Aktivitas Katalis Nikel Dengan Penyangga Titania

*D Sondari - , Indonesia

Received: 13 Jun 2017; Published: 13 Jun 2017.

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Abstract

Preparasi katalis logam aktif nikel dengan bahan penyangga titania dapat dilakukan menggunakan metode impregnasi, sol-gel dan ko-presipitasi dengan kandungan logamaktif 20; 22,5 dan 25% berat. Dari hasil uji aktivitas katalis menggunakan reaktor skala 20 ml menunjukkan bahwa metode sol-gel memberikan aktivitas yang paling maksimal dengan terjadinya penurunan bilangan iodium dari 60,98 menjadi 41,31 dan luas permukaan spesifik maksimal 18,65 gr/m²pada konsentrasi 22,5%. Dari analisa pola difraksi sinar-X pada metoda sol-gel, tampak adanya oksida logam nikel pada 2Ө = 43,27 yang intensitasnya paling rendah disbanding dua metoda lain, impregnasi dank ko-presipitasi. Puncak logam nikel teridentifikasi pada 2Ө = 44,50 menunjukkan adanya logam aktif nikel Ni (100) walaupun intensitasnya masih rendah, telah menyebabkan luas permukaan spesifik katalis pada metoda sol-gel lebih besar daripada metoda impregnasi dank o-presipitasi.

Kata kunci : katalis, penyangga, impregnasi, sol-gel, ko-presipitasi, metoda, altivitas

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Keywords: katalis, penyangga, impregnasi, sol-gel, ko-presipitasi, metoda, altivitas

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Section: Research Article

Language : INDONESIA

In Volume 6 No. 1 Juni 2002

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