Ratnawati, Herlina Dinik (2026) Kajian Filter Air Baku Berbasis Endokarp Biji Mangga (Mangifera indica) Sebagai Material Bio-Adsorben. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
Lead (Pb) heavy metal contamination in clean water requires further filtration. This study aims to test the bio-adsorbent membrane from the endocarp of mango seeds (Mangifera indica) through a filtration system. Membrane performance was evaluated based on the soaking time of the ZnCl2 activator: control (P0), 24 hours (P1), 36 hours (P2), and 72 hours (P3). Through the Analytic Hierarchy Process (AHP) method, P3 was selected as the best treatment with the characteristics of a solid, compact membrane and high pore density. The P3 treatment provided the fastest filtration time (1,155.6 seconds), the highest flow rate (0.08653 mL/s), a filtration rate of (3.5659 mL·cm2/s), and a swelling value between 72.93% - 217.45%. The AAS test of the P3 membrane showed a reduction in Pb heavy metal levels of 44.84%, stable pH (7.10), and the highest reduction in turbidity of 64.5% (82 NTU to 29.4 NTU). From the financial aspect, P3 requires operational costs of Rp. 2,008,357, HPP of Rp. 5,021/unit, and a selling price of Rp. 8,013/unit. As well as the added value analysis of the Hayami method of Rp. 2,409,686 (ratio of 37.50%). Overall, the utilization of mango seed endocarp skin waste into a bio-adsorbent membrane as an efficient, economical, and sustainable raw water filter.
| Item Type: | Thesis (Undergraduate) | ||||||
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| Uncontrolled Keywords: | Endokarp Biji Mangga, Membran Bio-Adsorben, Filtrasi Air, Timbal (Pb) | ||||||
| Subjects: | 100 - Rumpun Matematika dan Ilmu Pengetahuan Alam (MIPA) > 110 - Ilmu IPA > 111 - Fisika 100 - Rumpun Matematika dan Ilmu Pengetahuan Alam (MIPA) > 110 - Ilmu IPA > 112 - Kimia 140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 161 - Teknologi Industri Pertanian (dan Agroteknologi) 140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 162 - Teknologi Hasil Pertanian 410 - Rumpun Ilmu Teknik > 420 - Teknik Sipil dan Perencanaan Tata Ruang > 422 - Teknik Lingkungan |
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| Divisions: | Jurusan Teknologi Pertanian > Prodi D4 Teknologi Rekayasa Pangan > Tugas Akhir | ||||||
| Depositing User: | Herlina Dinik Ratnawati | ||||||
| Date Deposited: | 14 Jul 2026 01:36 | ||||||
| Last Modified: | 14 Jul 2026 01:36 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/57878 |
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