UJI KINERJA METODE ELEKTROKOAGULASI MENGGUNAKAN ELEKTRODA ALUMUNIUM (Al) UNTUK PENYISIHAN LOGAM Fe DAN Mn PADA AIR BERSIH BERDASARKAN EFISIENSI PENYISIHAN DAN KONSUMSI ENERGI

Ibrahim Ibrahim, Yunianto Setiawan, Dwi Ermawati Rahayu, Ridwan Adi Surya

Abstract


Air tanah sebagai sumber air bersih masih menjadi pilihan utama oleh Sebagian besar masyarakat karena alasan murah dan bisa langsung dimanfaatkan. Namun, kondisi air tanah saat ini semakin banyak yang tidak memenuhi kualitas air bersih seiring dengan meningkatnya jumlah penduduk, Salah satu masalah air bersih yang sering dijumpai adalah kontaminasi logam terutama Fe dan Mn. Elektrokoagulasi adalah salah satu metode pengolahan air yang ekonomis, praktis, dan mudah dioperasikan sebagai solusi permasalahan tersebut. Penelitian dilakukan dengan menguji kinerja metode elektrokoagulasi untuk mendapatkan efisiensi penyisihan optimum serta konsumsi energi optimum untuk penyisihan logam Fe dan Mn dalam air bersih. Data efisiensi penyisihan optimum dan konsumsi energi optimum diperoleh dari elektrokoagulasi dengan memberikan variasi waktu 5, 10, 15, 20, 25, 30 menit. Dari hasil penelitian ini efesiensi penyisihan optimum dihasilkan sebesar 66,28 % pada t = 30 menit untuk Fe dan Mn sebesar 61,88 % pada t = 30 menit. Konsumsi energi Optimum penyisihan logam Fe diperoleh 2,42 kWh/m3 pada t = 30 menit dan logam Mn sebesar 2,14 kWh/m3 pada t = 30 menit.

Keywords


Elektrokoagulasi, Elektroda, Efisiensi Penyisihan, Konsumsi Energi

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DOI: http://dx.doi.org/10.30872/jtlunmul.v7i1.11320

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