Sintesis ZnO-SiO2 dan Aplikasinya pada Fotokatalisis Degradasi Limbah Organik Fenol dan Penurunan Kadar Cd(II) secara Simultan

Zasrie Puti Oktaviani; Abdul Haris

doi:10.14710/jksa.19.2.45-49

DOI: https://doi.org/10.14710/jksa.19.2.45-49

Sintesis ZnO-SiO2 dan Aplikasinya pada Fotokatalisis Degradasi Limbah Organik Fenol dan Penurunan Kadar Cd(II) secara Simultan

Zasrie Puti Oktaviani, Abdul Haris

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

Published: 1 Aug 2016.

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Abstract

Sintesis ZnO-SiO₂ dan aplikasinya untuk fotokatalisis degradasi limbah organik fenol dan menurunkan kadar Cd(II) secara simultan telah dilakukan. Metode yang digunakan adalah fotokatalis. Tahapan penelitian ini meliputi sintesis semikonduktor ZnO-SiO₂ dengan metode sol-gel, pembuatan lapis tipis fotokatalis ZnO-SiO₂ dengan metode Doctor Blade, dan degradasi limbah organik fenol dan logam Cd(II) pada waktu tertentu dengan penyinaran. Hasil penelitian menunjukkan bahwa morfologi dari fotokatalis yang terbentuk tidak merata dan berbentuk granula. Hasil XRD menunjukkan bahwa telah terbentuk komposit ZnO-SiO₂ yang berbentuk wurzite hexagonal dengan ukuran kristal sebesar 27,73 nm. Hasil DRS UV-Vis menunjukkan bahwa energy gap dari fotokatalis ZnO-SiO₂ sebesar 2,56 eV. Degradasi fotokatalis ZnO-SiO₂ dengan penyinaran tungsteen selama 7 jam mampu mendegradasi fenol sebesar 65,73% dan mereduksi logam Cd sebesar 48,64% secara simultan.

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Keywords: Fotokatalisis; komposit; ZnO-SiO2; Fenol; Logam Cd

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Section: Research Articles

Language : ID

In Vol 19, No 2 (2016): Volume 19 Issue 2 Year 2016

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