Pengolahan Limbah Cair Pabrik Gula Menggunakan Adsorben dari Kotoran Sapi dan Ampas Tebu
DOI:
https://doi.org/10.25273/cheesa.v4i1.8416.31-38Keywords:
adsorpsi, ampas tebu, kotoran sapi, pengolahan limbah cairAbstract
Limbah cair seringkali dibuang ke sungai tanpa pengolahan yang memadai sehingga bahan-bahan organik yang terkandung di dalamnya cukup tinggi yang dapat menimbulkan dampak negatif bagi lingkungan. Adsorpsi merupakan salah satu cara untuk mengurangi kandungan bahan-bahan organik pada limbah cair. Penelitian ini bertujuan untuk mengetahui pengaruh rasio massa dan waktu kontak adsorben campuran dari kotoran sapi dan ampas tebu terhadap parameter pengolahan limbah cair pabrik gula. Analisis yang dilakukan pada penelitian ini adalah nilai COD, BOD, TSS, dan pH. Variasi rasio massa adsorben terhadap volume air limbah yaitu 1%, 2%, 3%, 4%, sedangkan variasi waktu kontak adsorben terhadap sampel air limbah adalah 1 jam, 2 jam, 3 jam, dan 4 jam. Penurunan nilai COD dan TSS terbaik pada rasio adsorben 3% dan waktu kontak 3 jam. Nilai BOD mengalami kenaikan pada semua variabel tetapi tidak melebihi baku mutu limbah cair. Hasil penelitian terbaik diperoleh nilai COD 12 mg/L, TSS 26,67 mg/L, pH 6 dan BOD 28,72 mg/L.
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