Studi Awal Pembuatan Membran Chitosan-Silica Based dari Berbagai Limbah

Felix Arie Setiawan; I Made Arimbawa; Navisa Ayudia Putri; Boy Arief Fachri

doi:10.25273/cheesa.v3i1.5701

Studi Awal Pembuatan Membran Chitosan-Silica Based dari Berbagai Limbah

Felix Arie Setiawan, I Made Arimbawa, Navisa Ayudia Putri, Boy Arief Fachri

Abstract

Jember memiliki potensi perikanan terutama udang sebagai sumber kitin yang merupakan dasar pembuatan kitosan. Kitosan berasal dari limbah kulit udang yang dicampur dengan limbah lain yaitu padatan silika dari Pembangkit Listrik Panas Bumi dan fly ash dari Pembangkit Listrik Tenaga Uap untuk menghasilkan membran yang dapat digunakan dalam filtrasi logam berat dalam air. Membran tanpa silika dibuat sebagai negative control dan dengan silika murni sebagai positive control. Membran kitosan dibuat dengan cara mencampurkan 1,0 gram kitosan dalam 100 mL larutan asam asetat 2% v/v dan 0,8 gram senyawa silika serta 0,5 gram polyethylene glycol. Membran yang telah dibuat diuji untuk menyaring larutan yang mengandung logam berat Cu dan Pb. Konsentratsi optimum dari Cu dan Pb dalam badan cairan dapat dikurangi sebesar 87% dan 80% menggunakan membran kitosan-silika.

Keywords

kitosan; logam berat; membran; power plant waste; silika

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