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All Journal JOURNAL OF HEALTHCARE TECHNOLOGY AND MEDICINE Jurnal Kedokteran Anatomica (Anatomica Medical Journal) Proceeding - Sari Mutiara Indonesia International Conference on Health JURNAL FARMASIMED (JFM) JURNAL ANALIS LABORATORIUM MEDIK Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Farmanesia Jurnal Pengmas Kestra (JPK) Jurnal ABDIMAS MUTIARA Jurnal Indah Sains dan Klinis Jurnal Pengabdian Masyarakat Mandira Cendikia (JPKM-MC) Medistra Medical Journal (MMJ)
Dicky Yuswardi Wiratma
Teknik Laboratorium Medis, Fakultas Farmasi Dan Ilmu Kesehatan, Universitas Sari Mutiara Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Other

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The Influence of Activated Carbon Produced from Duck Eggshells as an Adsorbent for Free Fatty Acid Content of Used Cooking Oilc Aritonang, Barita; Ritonga, Ahmad Hafizullah; Harefa, Karnirius; Herlina, Herlina; Wiratma, Dicky Yuswardi
Jurnal FARMASIMED (JFM) Vol 8 No 2 (2026): Jurnal Farmasimed (JFM)
Publisher : Fakultas Farmasi Institut Kesehatan Medistra Lubuk Pakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35451/r6vzyw08

Abstract

The repeated use of cooking oil can lead to a decline in oil quality and an increase in free fatty acid (FFA) levels, which may pose adverse health effects when consumed continuously. Therefore, an effective, safe, and sustainable purification method is required to improve the quality of used cooking oil. This study aims to evaluate the effectiveness of activated carbon derived from duck eggshell waste in reducing FFA levels in used cooking oil. The research employed a laboratory experimental method with a post-test only control group design. Samples of used cooking oil were selected purposively based on a level of degradation representative of real conditions. The preparation of activated carbon began with the carbonisation of duck eggshells, followed by chemical activation using a 3 M phosphoric acid (H₃PO₄) solution to enhance surface area and adsorbent porosity. The resulting activated carbon was then applied in the adsorption process of used cooking oil. FFA levels were analysed using the alkalimetric titration method. The results showed that the activated carbon significantly reduced FFA levels from 1.57% to 0.22%, with a reduction efficiency of 75%. This final value complies with the quality standard for cooking oil according to SNI 3741:2013 (≤0.3%). Furthermore, the produced activated carbon exhibited favourable characteristics, as indicated by a high iodine adsorption capacity and well-developed pore structure. In conclusion, activated carbon derived from duck eggshells is effective as an adsorbent for reducing FFA levels in used cooking oil and shows strong potential as an environmentally friendly and economically valuable solution.
Co-Authors Ahmad Hafizullah Ritonga Amaliah Insani Andre Prayoga Aritonang, Barita Budi Kurniawan Damanik, Elsarika Damanik, Rani Kawati Debi Meilani Denriso Purba Dimenta, Rivo Hasper Dyna Grace Romatua Aruan Eka Margareta Sinaga Elly Sitorus Erlan Aritonang Gunawan Harahap, Hasni Yaturramadhan Harefa, Karnerius Harianja, Ester Saripati Herlina Herlina H Herlina Herlina Hutajulu, Johansen Karnirius Harefa Kesaktian Manurung Mahyudi Manurung, Kesaktian Marpaung, Jhon Kenedi Marpaung, Jon Kenedy May Fransisca Telaumbanua Ningsih, Siska Dwi Nova Florentina Ambarwati Pardede, Jek Amidos Pranata, Chandra Purba, Denrison Purwandari, Vivi Santika, Rimma Siahaan, Maniur Arianto Sianipar, Artha Yuliana Simanjuntak, Yunida Turisna Sinarsi Meliala Siti Maimunah Siti Maimunah Siti Nurbaya Siti Nurbaya Sitorus, Elly Soraya Syaviera Supartiningsih - - Supartiningsih Supartiningsih Syahputra, Muhammad Budi Syarifuddin, Shofian Syaviera, Soraya Telaumbanua, May Fransisca Tiara Rajagukguk Yetrie B. C. Simarmata Yosy Cinthya Eriwaty Silalahi Yosy Cinthya Eriwaty Silalahi Yudhistira Yudhistira