Fotodegradasi Zat Warna Metanil Yellow Menggunakan Fotokatalis TiO2-Karbon Aktif

  • Togas C
  • Wuntu A
  • Koleangan H
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Abstract

Telah dilakukan penelitian untuk mempelajari pengaruh penambahan karbon aktif (KA) pada fotokatalis TiO2 serta aktivitas fotokatalitiknya dalam proses fotodegradasi zat warna metanil yellow. Penelitian diawali dengan pembuatan KA dari tempurung kelapa, kemudian dilakukan modifikasi fotokatalis TiO2–KA. Eksperiman fotodegradasi metanil yellow oleh fotokatalis TiO2–KA dilakukan dengan perbandingan berat TiO2:KA sebesar 9,9:0,1 dan 9,5:0,5 dan konsentrasi metanil yellow 2–50 ppm, serta variasi waktu penyinaran sinar UV selama 1, 2, 3, 4, 5, 19 dan 20 jam. Hasil penelitian menunjukkan bahwa persentase proses fotodegradasi tertinggi diperoleh pada perbandingan berat TiO2:KA (9,9:0,1) dan aktivitas fotodegradasi semakin meningkat seiring dengan bertambahnya waktu penyinaran.A research had been conducted to study the effect of the addition of activated carbon (AC) on TiO2 photocatalyst and its photocatalytic activity in photodegradation process of metanil yellow dye. The research was performed through the preparation of activated carbon from coconut shell and modification of photocatalyst TiO2–AC. Experiment of metanil yellow photodegradation by photocatalyst TiO2–AC was performed at the weight ratio of TiO2:AC of 9,9:0,1 and 9,5:0,5 with the concentrations of metanil yellow of 2–50 ppm, and time variations of UV rays irradiation of 1, 2, 3, 4, 5, 19 and 20 hours. The results showed that the highest percentage of photodegradation process obtained at the weight ratio of TiO2:AC of 9,9:0,1 and the photodegradation activity was increased along with increasing irradiation time

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Togas, C., Wuntu, A. D., & Koleangan, H. S. J. (2014). Fotodegradasi Zat Warna Metanil Yellow Menggunakan Fotokatalis TiO2-Karbon Aktif. Jurnal MIPA, 3(2), 87. https://doi.org/10.35799/jm.3.2.2014.5857

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