PENGARUH H2O2, PH DAN SUMBER SINAR PADA DEGRADASI AIR LIMBAH PEWARNA INDIGO MENGGUNAKAN KATALIS TIO2

D Djarwanti, Cholid Syahroni

Abstract


Tujuan dari penelitian adalah mengkaji sampai sejauh mana pengaruh peroksida, pH dan sumber sinar lampu UV dan sinar matahari dalam proses degradasi fotokatalisis terhadap air limbah indigo menggunakan reaktor rotating drum . Tahapan penelitian adalah : pembuatan katalis TiO2 /Ti secara anodizing, karakterisasi katalis melalui uji XRD dan SEM dilanjutkan dengan degradasi fotokatalisis air limbah pewarna indigo Hasil karakterisasi menunjukkan bahwa struktur kristal adalah anatase dengan ukuran 4 – 17 nm. Bentuk Kristal nanotube berdiameter 100 nm. Hasil degradasi secara fotokatalitik dengan variasi penambahan hidrogen peroksida menunjukkan hasil terbaik pada  penambahan peroksida 0,1% volum.  Variasi pH tidak memberikan pengaruh yang signifikan terhadap degradasi sampel limbah indigo baik itu pH asam maupun basa. Degradasi di bawah sinar matahari memberi efek lebih baik dibanding dengan lampu UV.


Keywords


fotokatalisis; H2O2; pH; air limbah indigo; TiO2/Ti

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DOI: http://dx.doi.org/10.21771/jrtppi.2014.v5.no1.p7%20-%2014

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