Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Jl. Prof. Soedarto, SH., Tembalang, Semarang, Indonesia
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@article{JKSA17425, author = {Ardi Ariawan and Muhammad Djunaidi and Didik Widodo}, title = {Pengaruh Penambahan Serbuk Titanium Dioksida (TiO2) dalam Fotoelektrokatalisis Fenol dengan Elektroda PbO2/Pb}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {14}, number = {3}, year = {2011}, keywords = {fotoelektrokatalisis; fotokatalisis; fenol; elektroda PbO2; TiO2; spektrometri UV-Vis}, abstract = {Fenol merupakan salah satu pencemar perairan yang beracun, dapat terakumulasi dan stabil. Salah satu metode yang efektif untuk mendegradasi fenol adalah fotoelektrokatalisis. Tujuan dari penelitian ini adalah untuk mendegradasi fenol dengan metode fotoelektrokatalisis menggunakan elektroda PbO 2 /Pb, mengetahui pengaruh penambahan TiO 2 dan membandingkan metode fotoelektrokatalisis dengan fotokatalisis dalam degradasi fenol. Larutan fenol 100 mL dielektrolisis dengan potensial 5 V selama 8 jam dan ditambah 0,8 g TiO 2 dan dipapar sinar UV. Kemudian larutan sampel dianalisis dengan spektrometer UV-Vis. Untuk memperoleh potensial kerja dilakukan elektrolisis terhadap blanko (akuades ditambahkan Na 2 SO 4 berlebih). Setelah itu dilakukan variasi potensial, variasi waktu fotoelektrokatalisis hingga 10 jam serta variasi penambahan TiO 2 hingga 1,0 g. Penambahan TiO 2 sebanyak 0,8 g pada fotoelektrokatalisis fenol menaikkan persentase degradasi fenol dari 79,31% menjadi 94,05%. Degradasi fenol ditunjukkan dengan terjadinya penurunan absorbansi pada panjang gelombang 270 nm. Metode fotoelektrokatalisis lebih efektif dalam mendegradasi fenol dalam larutan daripada fotokatalisis.}, issn = {2597-9914}, pages = {64--68} doi = {10.14710/jksa.14.3.64-68}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/17425} }
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