Purbaningrum, Eka (2026) PEMANFAATAN FLY ASH TERAKTIVASI H₂SO₄ UNTUK MENGURANGI Fe DAN Zn PADA AIR LINDI TPA MANGGAR. Bachelor thesis, Institut Teknologi Kalimantan.
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Abstract
Air lindi Tempat Pemrosesan Akhir (TPA) Manggar mengandung logam berat, khususnya besi (Fe) dan seng (Zn), yang berpotensi mencemari lingkungan. Penelitian ini bertujuan untuk mengetahui pengaruh aktivasi kimia fly ash menggunakan H₂SO₄ dengan konsentrasi 1 M, 1,5 M, dan 2 M terhadap morfologi permukaan, luas permukaan spesifik, serta efektivitas penyerapan Fe dan Zn. Karakterisasi adsorben dilakukan menggunakan pengujian XRF, FTIR, SEM dan BET. Konsentrasi Fe dan Zn dianalisis menggunakan AAS. Hasil SEM adsorben H₂SO₄ 1,5 M menghasilkan morfologi adsorben terbaik dengan distribusi partikel seragam yang homogen dan ukuran partikel terkecil sebesar 0,274 µm. Hasil BET menunjukkan luas permukaan spesifik meningkat dari 16,2962 m²/g menjadi 21,8793 m²/g setelah aktivasi, disertai penurunan radius pori dan volume pori. Hasil adsorpsi menunjukkan adsorben H₂SO₄ 1,5 M memberikan kinerja terbaik terhadap logam Fe dengan efisiensi adsorpsi 80,43%. Sementara itu, adsorpsi Zn mencapai kondisi optimum pada H₂SO₄ 1,5 M dan 2 M dengan efisiensi adsorpsi 32,55%. Berdasarkan hasil penelitian, aktivasi fly ash dengan H₂SO₄ 1,5 M merupakan kondisi optimum karena menghasilkan karakteristik adsorben dan kemampuan adsorpsi terbaik terhadap logam Fe dan Zn pada air lindi. Dengan demikian, fly ash teraktivasi H₂SO₄ berpotensi dimanfaatkan sebagai adsorben alternatif yang efektif dan ramah lingkungan untuk pengolahan air lindi.
| Item Type: | Thesis (Bachelor) |
|---|---|
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering T Technology > TN Mining engineering. Metallurgy |
| Divisions: | Jurusan Ilmu Kebumian dan Lingkungan > Teknik Material dan Metalurgi |
| Depositing User: | Eka Purbaningrum Purbaningrum |
| Date Deposited: | 17 Jul 2026 08:07 |
| Last Modified: | 17 Jul 2026 08:07 |
| URI: | http://repository.itk.ac.id/id/eprint/27694 |
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