PREPARASI Fe3+/TiO2- MONTMORILLONIT SEBAGAI KATALIS PADA DEGRADASI ZAT WARNA AZO

Is Fatimah; Tuty Alawiyah; Iwan Sumarlan

doi:10.14710/reaktor.14.4.255-260

DOI: https://doi.org/10.14710/reaktor.14.4.255-260

PREPARASI Fe3+/TiO2- MONTMORILLONIT SEBAGAI KATALIS PADA DEGRADASI ZAT WARNA AZO

*Is Fatimah - Program Studi Ilmu Kimia, Universitas Islam Indonesia, Indonesia

Tuty Alawiyah - Program Studi Ilmu Kimia, Universitas Islam Indonesia, Indonesia

Iwan Sumarlan - Program Studi Ilmu Kimia, Universitas Islam Indonesia, Indonesia

Published: 2 Dec 2014.

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Abstract

Dalam penelitian ini dilakukan preparasi material Fe³⁺/TiO₂-Montmorillonit dan uji aktivitasnya sebagai katalis pada degradasi senyawa azo. Keberhasilan preparasi material dipelajari melalui karakterisasi menggunakan X-ray Diffraction, BET surface area analyzer dan Diffuse Reflectance UV-Visible. Peranan katalitik material hasil preparasi pada degradasi senyawa azo: metil jingga(MO) dan metilena biru(MB) dipelajari melalui studi kinetika reaksi dengan mekanisme mirip foto-Fenton (Photo-Fenton like mechanism). Hasil penelitian menunjukkan keberhasilan preparasi material Fe³⁺/TiO₂-Montmorillonit serta tercapainya tujuan penggunaannya sebagai katalis untuk degradasi zat warna azo melalui mekanisme Photo-Fenton like. Simulasi terhadap data kinetika menunjukkan bahwa degradasi kedua zat warna azo dengan katalis hasil preparasi mengikuti model kinetika Langmuir-Hinshelwood dengan nilai k dan K untuk MO berturut-turut adalah sebesar 8,83x10^-7 M/detik dan 328,29 dan untuk MB sebesar 4,56x10^-5 M dan 555,60. Nilai konstanta laju reaksi dan konstanta adsorpsi-desorpsi reaksi degradasi kedua zat warna menjelaskan peranan mekanisme interaksi permukaan dalam proses katalisis.

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Keywords: zat warna azo; degradasi; montmorillonit; pilarisasi

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Article Info

Section: Research Article

Language : EN

In Volume 14, No. 4, OKTOBER 2013

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