PENENTUAN MODEL KESETIMBANGAN PROSES ADSORBSI LOGAM KROMIUM PADA LIMBAH CAIR MENGGUNAKAN LIMBAH CANGKANG TELUR

Autor(s): Mohammad Jihad Madiabu, Joko Untung
DOI: 10.55075/wa.v43i1.196

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Abstrak

Penelitian ini bertujuan untuk mempelajari proses kesetimbangan yang terjadi pada proses adsorbsi logam kromium menggunakan cangkang telur sebagai adsorben. Serbuk cangkang telur dikarakterisasi menggunakan FT-IR untuk mengetahui gugus fungsi yang ada pada cangkang telur. Penelitian ini menggunakan metode batch dengan waktu kontak tetap (60 menit) dan konsentrasi awal larutan kromium yang berbeda-beda sebanyak 50 mL. Persentase efektifitas adsorbsi diperoleh (98,57 ± 0,23) menunjukkan cangkang telur efektif digunakan sebagai adsorben logam kromium pada limbah cair. Model kesetimbangan proses adsorbsi Langmuir, Freundlich, dan Temkin diaplikasikan pada data penelitian. Masing-masing konstanta pada tiap model dihitung berdasarkan analisis plot regresi.

Kata kunci : kesetimbangan; adsorbsi; FTIR; cangkang telur; kromium

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Referensi

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DOI: https://doi.org/10.55075/wa.v43i1.196

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