Uji Filtrasi Model Polutan Methylen Blue Menggunakan Membran Kulit Telur

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Abstract

Abstrak. Membran filtrasi merupakan salah satu metode yang banyak digunakan untuk pengolahan air limbah dengan prinsip pemisahan dan pemurnian air. Pada makalah ini dilaporkan hasil uji filtrasi model polutan Methylene Blue (MB) menggunakan membran sel telur (ES, Eggshell) yang diperoleh dari cangkang telur yang direndam dalam larutan asam asetat. Pada uji filtrasi, 5 mg/L larutan MB dilewatkan membran dengan bantuan tekanan sebesar 3,4 atm. Hasil uji berupa volume permeat yang mengalir melalui membran dan penurunan konsentrasi permeat dibandingkan dengan konsentrasi MB awal. Konsentrasi permeat hasil filtrasi ditentukan menggunakan spektrofotometer UV-Vis melalui pengukuran penurunan absorbansi. Hasil pengujian menunjukkan molekul MB dapat dipisahkan dari air dengan menggunakan tiga lembar membran ES dengan nilai permeabilitas 3,64x10ˉ⁵ darcy dan nilai koefisien rejeksi rata-rata sebesar 30,6%. Kata kunci: membran sel telur (ES), methylene blue (MB), filtrasi, fermeabilitas, koefisien rejeksi Abstract. Membrane filtration is a method that is widely used for wastewater treatment with a principle of water separation and purification. In this paper, we report the results of the filtration experiment of pollutant model of Methylene Blue (MB) using eggshell membranes (ES) obtained from eggshells soaked in acetic acid solution. In the filtration experiment, 5 mg/L of MB solution was flowed through the ES membrane with the help of a pressure of 3.4 atm. The results of the filtration experiment are shown in form of permeate volume that flow through the ES membrane and a decreasing of permeate concentration. The concentration of permeate was determined using a UV-Vis spectrophotometer by observed a decreasing of its absorbance. We found that MB molecules can be separated from water by using three sheets of ES membrane with a permeability value of 3.64x10ˉ⁵ darcy and an average rejection coefficient of 30.6%.

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APA

-, F. (2022). Uji Filtrasi Model Polutan Methylen Blue Menggunakan Membran Kulit Telur. Jurnal Ilmu Dan Inovasi Fisika, 6(1), 81–89. https://doi.org/10.24198/jiif.v6i1.37883

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