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All Journal Bioscience Jurnal Fisika Unand Journal of Aceh Physics Society Jurnal Zarah MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat JURNAL KARYA ILMIAH MULTIDISIPLIN CHEMVIRO : Jurnal Kimia dan Ilmu Lingkungan
Joni, Rahma
Universitas Lancang Kuning
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The Effect of Activated Carbon From Palm Oil Kernel Shells on Waste Cooking Oil for Soap Production Yelmiza, Yelmiza; Joni, Rahma; Rokim, Muhamad; Yuvendius, Hazra; Zondra, Elvira; Arlenny, Arlenny
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 8 No 1 (2026): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v8i1.527

Abstract

This study addresses the existing limitation in integrated waste valorization approaches by combining palm kernel shell–derived activated carbon production, waste cooking oil purification, and solid soap manufacturing within a UMKM-based circular economy model. Unlike previous studies that focus separately on adsorbent synthesis or oil purification, this research evaluates the adsorption performance quantitatively and links it directly to downstream soap quality. Activated carbon was synthesized via controlled pyrolysis (400 °C) followed by KOH activation (800 °C) and characterized using FTIR. The purification process reduced free fatty acid (FFA) content from 2.35 ± 0.02% to 0.43 ± 0.01%, corresponding to an adsorption efficiency of 81.7%. The adsorption capacity was calculated and statistical validation was performed in triplicate experiments. The resulting solid soap exhibited stable pH (8.89 ± 0.05) and satisfactory physical properties. These findings demonstrate the scientific and practical contribution of palm kernel shell activated carbon as a sustainable bioadsorbent supporting circular economy implementation at the UMKM scale.
Co-Authors Abdul Rahman Admin Alif Amelina Dwika Hardi Anggrena D. Ritonga Arlenny Arlenny Bustanul Arifin Elvira Zondra, Elvira Emriadi - Fadilaturahmah Fadilaturahmah Filza Yulina Ade Hardi, Amelina Dwika Hazra Yuvendius Hemansyah Aziz Hermansyah Aziz ikrima asrori Marta Dinata Martala Sari Olly Norita Tetra Rahmi Kurniati Ritonga, Anggrena Diova Rokim, Muhamad Syukri - Syukri Syukri Wahyuni, Hanif Widya Widya, Widya Yelmiza Yoan De Nanda Herru Yola Azli Perdana