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All Journal International Journal of Advances in Applied Sciences Reaktor JURNAL KIMIA SAINS DAN APLIKASI Jurnal Ilmu Lingkungan Jurnal Penelitian Fisika dan Aplikasinya (JPFA) BAHASTRA Jurnal Bahan Alam Terbarukan JIPSINDO (Jurnal Pendidikan Ilmu Pengetahuan Sosial Indonesia) CHEMICA Jurnal Teknik Kimia Al-Adzka: Jurnal Ilmiah Pendidikan Guru Madrasah Ibtidaiyah Fon: Jurnal Pendidikan Bahasa dan Sastra Indonesia English Review: Journal of English Education EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Ranah: Jurnal Kajian Bahasa Sains Natural: Journal of Biology and Chemistry Martabe : Jurnal Pengabdian Kepada Masyarakat NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Jurnal Basicedu Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat JKPK (Jurnal Kimia dan Pendidikan Kimia) Jurnal Ilmiah Bina Bahasa Indonesia Berdaya Plusminus: Jurnal Pendidikan Matematika EDUTECH : Jurnal Inovasi Pendidikan Berbantuan Teknologi Journal of Oral Health Care Lingua Franca Jurnal Basicedu Tsaqofah: Jurnal Penelitian Guru Indonesia Jurnal Pendidikan Dasar Tadibia Islamika: Journal of Holistic Islamic Education Jurnal Rakat Sehat : Pengabdian Kepada Masyarakat Jurnal Intisabi Jurnal Terapis Gigi dan Mulut Jurnal Karya Generasi Sehat Implikasi: Jurnal Manajemen Sumber Daya Manusia Bulletin of Chemical Reaction Engineering & Catalysis JURNAL REKAYASA KIMIA & LINGKUNGAN JPEMAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmu Kesehatan JOECE: Journal of Early Childhood Education Jurnal Kesehatan Qamarul Huda Sawerigading
Siti Salamah
Program Studi Teknik Kimia, Universitas Ahmad Dahlan
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Journal : JURNAL KIMIA SAINS DAN APLIKASI

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Comparison of Activation Methods for Coal Ash as an Adsorbent in the Removal of Lead (Pb²⁺) from Aqueous Solution Wardhana, Budi Setya; Hanum, Farrah Fadhillah; Mufrodi, Zahrul; Febriani, Annisa Vada; Salamah, Siti
Jurnal Kimia Sains dan Aplikasi Vol 28, No 8 (2025): Volume 28 Issue 8 Year 2025
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.28.8.452-462

Abstract

Coal ash, also known as fly ash and bottom ash (FABA), is a byproduct of coal combustion that can be utilized as an adsorbent for removing lead (Pb2+) ions from wastewater. While previous studies have explored both unactivated and activated forms of FABA, few have directly compared their adsorption performance under identical operating conditions. This study investigates the characteristics of FABA before and after activation and evaluates its effectiveness in Pb2+ ion removal. Characterization was performed using X-ray fluorescence (XRF) for chemical composition and Brunauer-Emmett-Teller (BET) analysis for surface area and pore structure. XRF results showed that fly ash (FA) and bottom ash (BA) are dominated by Fe2O3, SiO2, and Al2O3, which contribute to the adsorption capacity. BET analysis revealed that FA has a higher specific surface area (6.377 m2/g) compared to BA (0.848 m2/g), indicating greater potential for adsorption. The adsorption performance was evaluated using Atomic Absorption Spectroscopy (AAS) after 60 minutes of contact time at an initial Pb2+ concentration of 100 ppm. Both FA and BA exhibited high Pb2+ removal efficiencies, reaching up to 100% under optimal conditions. Physical activation and chemical activation using neutral (H2O) and alkaline (NaOH and KOH) agents enhanced adsorption efficiency (98–100%), whereas activation with acidic agents (HCl and H2SO4) reduced it to 87–97%. These results demonstrate that FABA, particularly FA, has strong potential as an efficient and environmentally friendly adsorbent for heavy metal removal. The findings also suggest that water activation offers a simple and sustainable approach for large-scale wastewater treatment applications.
Co-Authors Abbas, Dirvi Surya Afriyana, Afriyana Agus Aktawan, Agus Agustine, Mubiar Ahmad Bukhori, Ahmad Ahmad Taufiq Ahmad Ubaedi Fathuddin Ainun Fadhilah Aisy, Rihada Akbar, Machmul Alam Sani, Fajri Alwi, Ahmad Amelia, Shinta amperawati, metty Amperawati2, Metty Andika Adinanda Siswoyo Ani Nur Aeni, Ani Nur Annida Miryadi, Devita Annur, Muhamad Sukhin Aprilianti, Alda Dwi Arrum Wijaya Astu Rahman, Waljuni Bayani, Rizky Nurul Budiarti, Gita Indah Dadan Nugraha Danan, Danan Daulay, Delfina Delfriana Ayu Dewangga, Pramudia Bagus Dewi Sukma Dhias Cahya Hakika Diyani, Annisa Dodi Saputra, Muhammad Elman Efzi, Agno Endah Sulistiawati Enjelina, Della Evitasari, Rachma Tia Fadhila Tunissa, Izmi Fadillah, Anggun Fansurna, Anderi Febriani, Annisa Vada Fuady Dharma Harahap, Andes Habibah, Siti Sab’atul hafizatunnadia, hafizatunnadia Halimatussakdiyah, Halimatussakdiyah Hanum, Farrah Fadhillah Hasibuan, Nadia Hermanto Hermanto Herniawati, Ani Hidayatul, Alina Husein Nst, Ahmad IDA RAHMAWATI Ilham Mufandi Imam Santosa Indahsari, Indahsari Indriana Kartini Isnaini Harahap, Fitri ISNAWATI Isnawati Isnawati Isparulita, Intan Dwi Jumiati Jumiati Kartini, Indriyana Khoiruddin Khoiruddin Khoiuruddin, Khoiruddin Kisworo Utami , Naning Kisworo Utami, Naning Larasati, Ulys Lestari Koto, Putri Mahbety, Ezia Rahma Marshanda, Tirza Martomo Setyawan Maryudi Maryudi Miftahul Jannah Mufandi, Ilham Mu`Thiya, Muhammad Khafi Nasution, Fery Endang Nisa, Hilwatun Nono Mulyono NURUL ANNISA Oxana, Oktian Prasetiyani, Desi Pratama, Rakha Priyatun, Inayah Pulungan, Darmasyah Pulungan, Nurpadilah Puspita Sari, Ika Putri, Lily Eka Rahayu, Aster Raheni Suhita Rahmadani, Refbry Novida Rahmadewi, Yunda Maymana Rahmadewi, Yunda Maymanah Rahmat Hidayat Rifai Sanuhung, Ahmad Rindu, Jihanita Riski Ananda, Ihwan rohayati rohayati Rosari, Maria Olivia Rumboy, Yuliva Sab'atul Habibah, Siti Safri Hasibuan, Iskandar Said, Fahmi Sandi, Gunawan Saputra, M. Riski sari, anita maulidya Sari, Emilda Sari, Novila Satar, Ibdal SATRIYAS ILYAS Sauri Nasution, Sofyan Setya Wardhana, Budi Sihombing, Novi Silviyani Siregar, Sindi Simatupang, Juli Simatupang, Juliana Siti Jamilatun Siti Shalihah, Siti Sormin, Darlina Sri Hidayati Sri Nuryati Suhendra Suhendra Suhendra Suryo Purwono Syaja'ah, Khoerun Nisa Tunissa, Izmi Fadhila Ulfah, Rasuna Utami, Naning K. Utin Desy Susiaty Vina Adriany Wardhana, Budi Setya Wega Trisunaryanti Wega Trisunaryati, Wega Wijayanti, Dedi Wiramanggala, Ayu Nabila Yadi Ardiawan Yanti, Maulida Yudha Satya Perkasa, Yudha Satya Yulianti, Jesika Yusril Pratama, Muhammad Yusuf Hidayat Zahrul Mufrodi, Zahrul Zultiyanti, Zultiyanti