Pemanfaatan Limbah Fly Ash Untuk Penanganan Limbah Cair Amonia

Slamet Slamet, Karina Kalmapuspita Imas

Abstract


Komposit abu terbang/TiO2 berhasil dibuat menggunakan TiO2 P25, abu terbang dari PT Pupuk Kaltim, dan surfaktan kationik hexadecyltrimethylamonium bromide (HTAB). Komposit dikarakterisasi Scanning Electron Microscopy-Energy Dispersive X-Ray Analysis (SEM-EDX) serta diuji coba untuk mendegradasi amonia dalam fotoreaktor. Perbandingan massa abu terbang dan TiO2 yang optimum adalah 2:1 (1 g/250 mL limbah cair amonia) dan dapat mengeliminasi amonia cair sebesar 79 % dalam 180 menit. pH optimum untuk mendegradasi amonia adalah pH 11. Hasil penelitian ini membuktikan bahwa abu terbang dapat dimanfaatkan untuk mendegradasi amonia cair di lingkungan dengan bantuan fotokatalis TiO2. Pada penelitian ini juga dibahas kinetika reaksi degradasi amonia yang mengikuti model kinetika Langmuir-Hinshelwood.


Keywords


Abu Terbang; Amonia; Fotokatalis; TiO2

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References


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DOI: http://dx.doi.org/10.24817/jkk.v39i2.3144

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