Pemanfaatan Serbuk Kayu Pohon Gayam (Inocarpus Fagiferus) sebagai Bio Adsorbent Penjerap Ion Logam Berat Pb(II) dalam Limbah Cair

Tintin Mutiara, Jefri Dimas Aziz, Muhammad Gustav Irsack

Abstract


Gayam (Inocarpus fagifer) dimanfaatkan sebagai bahan penjerap alami (bio adsorbent) untuk mengolah limbah cair dengan kandungan ion logam berat. Pada penelitian ini serbuk kayu gayam dimodifikasi kimia dengan larutan basa potasium hidroksida dan sodium hidroksida untuk meningkatkan kapasitas penjerapan. Selain itu kapasitas penjerapan serbuk kayu gayam diteliti terhadap pengaruh pH larutan dan waktu kontak. Berdasarkan data penelitian diperoleh hasil bahwa kinetika proses penjerapan ion Pb(II) ke dalam bio adsorbent kayu gayam dapat diilustrasikan dengan model matematis Lagergren order dua dengan nilai koefisien determinasi (R2) 0,9496.

Keywords


bio adsorbent; serbuk kayu; gayam; logam berat; limbah cair

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DOI: https://doi.org/10.31315/e.v17i1.3095

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