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All Journal Jurnal Teknik Kimia Jurnal Fisika Unand Majalah Ilmiah MOMENTUM AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Pengbdian Teknik Mesin Biomedical and Mechanical Engineering Journal Indonesian Journal of Chemical Science
L.Urip Widodo, Yohandrik Novel Karaman
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Chemical Activation of Coal Fly Ash Waste for Adsorbent Production Mardianingrum, Putri; Ridhwan Aprilian, Muhammad; Sani; Edra Nugraha, Reva; Karaman, Novel
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 9 No. 3 (2025)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v9i3.828

Abstract

Coal fly ash is a significant byproduct of coal combustion that poses environmental risks if not properly utilized. Rich in aluminosilicates and naturally porous, fly ash can serve as an environmentally friendly, low-cost adsorbent for industrial wastewater treatment. This study aims to investigate the effect of HCl concentration and activation time on the characteristics and adsorption capacity of coal fly ash as an adsorbent. Chemical activation with HCl was performed to enhance adsorption capacity by dissolving impurities, increasing pore volume, increasing surface area, and improving silica content while reducing aluminium levels. The results indicated that the HCl-activated fly ash exhibited the highest iodine adsorption value of 778.38 mg/g, exceeding the SNI standard of 750 mg/g, demonstrating excellent adsorption performance. XRF analysis revealed 78.1% SiO? and 3.96% Fe?O? contents, suggesting that HCl-activated fly ash has great potential as an effective, economical, and sustainable adsorbent for industrial wastewater treatment. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 9: Industry, Innovation, and InfrastructureSDG 12: Responsible Consumption and ProductionSDG 13: Climate ActionSDG 14 : Life Below Water
Co-Authors Ahmad Khairul Faizin Andini, Atika Atika Andini Billah, Mu’tasim DWI LESTARI, WAHYU Edahwati, Wahyu Dwi Lestari Edra Nugraha, Reva Faizin, Ahmad Khairul Fitriasari, Rima Galih Suci Widyanto Hidayat, Rifqi Rahman Husna Zaka Anshori Issafira, Radissa Dzaky Kamaliatul Fajria Lucky Indrati Utami Luluk edahwati Luluk Edahwati Mardianingrum, Putri Mu'tasim Billah Nana Dyah S Nana Dyah Siswati, Anwar Zain and Mohammad Ndaru Adyono Ndaru Adyono, Ndaru Puspa Sari, Tria Radissa Dzaky Issafira Radissa Dzaky Issafira Ridhwan Aprilian, Muhammad Rifaldi, Kornelius Rima Fitriasari Sani Sari, Tria Puspa Silvana Dwi Nurherdiana SRIE MULJANI Sutiyono Titi Susilowati Titi Susilowati Tria Puspa Sari Wahyu Dwi Lestari Wahyu Dwi Lestari Wahyu Dwi Lestari Edahwati Widayanto, Galih Suci Wiliandi Saputro Wiraya, Wira Arta