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      Sintesis Fotokatalis Komposit TiO2/ZnO/CuO dengan Penambahan Surfaktan untuk Fotodegradasi Pewarna Metil Jingga

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      Date
      2025
      Author
      Putri, Sheila Herlyta
      Sutriah, Komar
      Khotib, Mohammad
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      Abstract
      Masalah lingkungan seperti penimbunan limbah pewarna tekstil metil jingga yang membahayakan lingkungan dan makhluk hidup dapat diatasi melalui fotodegradasi. Penelitian ini bertujuan menyintesis fotokatalis komposit TiO2/ZnO/CuO dengan menambahkan surfaktan dan mengukur pengaruh surfaktan pada fotodegradasi metil jingga. Fotokatalis disintesis dengan metode kopresipitasi dan data diuji statistika dengan ANOVA (Analysis of Variance). Fotodegradasi dilakukan pada berbagai faktor perlakuan. Hasil penelitian menunjukkan fotokatalis tersebut berhasil disintesis. Tambahan surfaktan Tween 80 dalam sintesis fotokatalis TiO2/ZnO/CuO terbukti meningkatkan persen degradasi metil jingga dengan kondisi perlakuan terbaik, yaitu menggunakan fotokatalis TiO2/ZnO/CuO konsentrasi surfaktan 2 KMK (konsentrasi misel kritis) dan kondisi fotodegradasi dengan penyinaran. Hasil ANOVA membuktikan semua faktor perlakuan memiliki perbedaan dan pengaruh yang nyata pada persen degradasi. Peningkatan persen degradasi polutan organik karena surfaktan dapat berpotensi diaplikasikan lebih luas dalam bidang pengelolaan lingkungan.
       
      Environmental problems such as the accumulation of methyl orange textile dye waste that is harmful to the environment and living things can be overcome through photodegradation. This study aims to synthesize TiO2/ZnO/CuO composite photocatalysts by adding surfactants and measuring the effect of surfactants on the photodegradation of methyl orange. The photocatalyst was synthesized by the coprecipitation method, and the data were statistically tested with ANOVA (Analysis of Variance). Photodegradation was carried out on various treatment factors. The results showed that the photocatalyst was successfully synthesized. The addition of Tween 80 surfactant in the synthesis of TiO2/ZnO/CuO photocatalysts was proven to increase the percentage of methyl orange degradation with the best treatment conditions, namely using TiO2/ZnO/CuO photocatalysts with a surfactant concentration of 2 CMC (critical micelle concentration) and photodegradation conditions with irradiation. The ANOVA results prove that all treatment factors have significant differences and influences on the percentage of degradation. The increase in the percentage of organic pollutant degradation due to surfactants has the potential to be applied more widely in environmental management.
       
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      http://repository.ipb.ac.id/handle/123456789/164079
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      • UT - Chemistry [2295]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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