Pengaruh Variasi Dosis Adsorben terhadap Penyisihan COD Buangan Akhir Palm Oil Mill Effluent (Pome) menggunakan Magnetic Biochar
DOI:
https://doi.org/10.30588/jo.v6i1.1156Keywords:
adsorpsi, magnetic biochar, COD, POMEAbstract
Penelitian ini bertujuan untuk mengetahui pengaruh variasi dosis adsorben terhadap penyisihan COD buangan akhir POME menggunakan magnetic biochar. Magnetic biochar merupakan modifikasi biochar dengan penempelan ion logam. Magnetic biocharberbahan baku limbah pelepah sawit dibuat dengan cara impregnasi pelepah sawit dengan FeCl3.6H2O. Proses selanjutnya adalah proses pirolisis menggunakan reaktor fixed bed horizontal dengan temperatur 550oC dan dialiri dengan gas N2 selama 20 menit. Uji adsorpsi dilakukan dengan sistem batch dengan variasi dosis adsorben 1,25; 3,15; 5; 6,8; 8,55 g/L. Hasil supernatan diambil dan dianalsis dengan paramater uji COD total. Berdasarkan hasil penelitian, didapatkan bahwa semakin besar dosis magnetic biochar yang diberikan maka semakin besar % penyisihan COD buangan akhir POME. Penyisihan sebesar 72.72%. diperoleh dari penggunaan 8,55 g/L magnetic biochar dan terendah diperoleh sebesar 50,3 % dengan penggunaan 1,25 g/L. Sementara hasil penyisihan COD buangan akhir POME menggunakan biochar tanpa modifikasi hanya sebesar 31.77%. Sehingga penggunaan biochar yang dimodifikasi dinilai lebih baik dalam penghilangan COD buangan akhir POME.
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