APLIKASI BERBAGAI JENIS ADSORBEN PADA PENGOLAHAN AIR ASAM TAMBANG SINTETIK SKALA MINI PLANT

Subriyer Nasir, Dwi Sunu Permatahati, Oktarina Musdalipah, Eddy Ibrahim

Abstract


Pengolahan air asam tambang sintetis dengan memanfaatkan abu terbang batubara, tanah diatom dan abu sekam padi sebagai adsorben yang diikuti dengan pengolahan menggunakan metode sand filtrasi, ultrafiltrasi dan reverse osmosis. air asam tambang sintetik dibuat dengan variasi pH 3; .,5; dan 4. Persentase kenaikan pH karena pemakaian masing-masing adsorben dan penurunan kadar ion besi, mangan dan sulfat juga diteliti. Hasil yang diperoleh coal fly ash merupakan adsorben yang paling efektif dalam menaikkan pH dan menurunkan EC serta ion logam dari air asam tambang sintetik. Persentase kenaikan pH sebesar 97,40%, persentase penurunan EC 96,71%, dan persentase penurunan ion logam mangan, besi, sulfat tertinggi berturut-turut adalah 99,1%, 98,4%, dan 99,7% serta prosentase perolehan air (WRP) sebesar 75%. .

Keywords


Air Asam Tambang, Abu Terbang, Abu Sekam Padi, Diatomit, Ultrafiltrasi, dan Reverse Osmosis

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DOI: https://doi.org/10.29313/ethos.v0i0.1796

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