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All Journal JURNAL KIMIA SAINS DAN APLIKASI SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Kartika Kimia Jurnal Ilmiah Teknik Kimia Jurnal Pengabdian dan Peningkatan Mutu Masyarakat (JANAYU) Journal of Energy, Material, and Instrumentation Technology
Agipa, Ade Irmadiki
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Journal : Jurnal Ilmiah Teknik Kimia

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Penurunan Kadar COD Pada Limbah Cair Laboratorium Menggunakan Sorben Hydrilla Verticillata Agipa, Ade Irmadiki; Ruspita, Roza; Muarif, Muhamad Fajar; Jannah, Al Baasiqot Shoffia Nur
Jurnal Ilmiah Teknik Kimia Vol. 8 No. 1 (2024): JURNAL ILMIAH TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia, Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jitk.v8i1.36188

Abstract

Hydrilla Verticillata adsorbents, HCl-activated Hydrilla Verticillata, and NaOH-activated Hydrilla Verticillata reduce COD levels in laboratory waste. The sorbents were characterized using FTIR and SEM-EDX. FTIR analysis shows a specific absorption at the wave number 1637 cm-1, which indicates the absorption of the carbonyl group in the ester and 1536, 1416, and 1324 cm-1, identical to the absorption of the carboxyl group. SEM results show a hollow and irregular shape in the sorbent. EDX analysis showed that Hydrilla Verticillata, which was activated using HCl and NaOH, experienced a decrease in the percentage of metals. Testing for COD levels in laboratory waste before treatment was 29,492 ppm. Adsorption with various types of sorbents caused a decrease in COD levels to 25,430, 25,424, and 26,441 ppm for the Hydrilla Verticillata, HCl-activated Hydrilla Verticillata and NaOH-activated Hydrilla Verticillata sorbents. Varying concentrations of 0.03, 0.04, 0.05, 0.06, and 0.07 M on HCl-activated Hydrilla Verticillata Sorben showed a reduction in COD levels of 17.24%, 12.07%, 6.90%, 13.79%, and 20.69%.  
Co-Authors Amalia, Fara Intansya, Selly Jannah, Al Baasiqot Shoffia Nur Kurnia, Siti Khoirunisatul Muarif, Muhamad Fajar Nurhaliza, Siti Ilsa Ruspita, Roza Shobri, Shobri Silpiana, Mareta Wirardi, Afnan Ridzka Putri Yulizar, Ayu Sabila Yusril Yusuf