Makalah ini membahas gabungan proses flokulasi dan membrane mikrofiltrasi untuk pengolahan air gambut. Penelitian dilakukan dengan menggunakan air gambut sintetis yang dibuat dari humic acid pada berbagai variasi konsentrasi. Validasi dilakukan dengan air gambut asli yang berasal dari daerah Riau dengan kadar organic 168,5 mg/L KMnO4. Sebagai flokulan digunakan FeCl3 dengan jenis membrane hollow fiber polisulfon. Respon yang diamati adalah fluk dan rejeksi kadar organic. Percobaan dilakukan dengan variasi tekanan 0,4-1,6 bar dan konsentrasi flokulan 0-40 mg/L. hasil penelitian menunjukkan bahwa pengaruh tekanan operasi akan meningkatkan fluk. Kenaikan konsentrasi flokulan dari 0-40 mg/L menyebabkan fluk yang didapatkan semakin turun dengan rejeksi kadar organik naik. Kondisi operasi terbaik yang didapatkan yaitu pada tekanan 1,2 bar dan konsentrasi flokulan 40 mg/L untuk air gambut sintetis, sedangkan untuk air gambut asli pada tekanan 1 bar dan konsentrasi floklan 30 mg/L.
Kata kunci : flokulan, membrane mikrofiltrasi, fluk, rejeksi
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Last update: 2025-02-27 18:54:52
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