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All Journal Chimica et Natura Acta Indonesian Journal of Chemistry IJEMS (Indonesian Journal of Environmental Management and Sustainability) Eksakta : Berkala Ilmiah Bidang MIPA Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Hydrogen: Jurnal Kependidikan Kimia
Matlal Fajri Alif
Universitas Andalas
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Microwave-Synthesized Hydroxyapatite from Quail Eggshell for Pb(II) Removal Matlal Fajri Alif; Yulia Eka Putri; Frisca Aulanny
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 27 No. 04 (2026): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464) In Progress
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol27-iss04/740

Abstract

Hydroxyapatite (HAp, Ca10(PO4)6(OH)2) is a primary constituent of bones and teeth. It has also been widely developed as a promising adsorbent for removing heavy metals. In this study, Pb(II) removal was achieved via adsorption using HAp. Quail eggshell waste served as the calcium source for HAp synthesis, while NH4H2PO4 provided the phosphate source. A microwave-assisted method was used to improve time and energy efficiency and obtain high-purity, homogeneous HAp. This study optimizes Pb(II) removal parameters using the batch adsorption method. Characterization of HAp before and after Pb(II) ion adsorption was performed using XRF, XRD, and SEM-EDX. HAp was successfully synthesized with a Ca/P molar ratio of 1.69. The study determined that optimal Pb(II) removal occurred at pH 5, with a concentration of 1100 mg/L and a contact time of 60 minutes, yielding an adsorption capacity of 499.334 mg/g and removal efficiency of 90.788%. The Langmuir isotherm model and the PSO kinetic model described the Pb(II) removal process. The material was tested on water samples from the Batang Arau River estuary, specifically near the Siti Nurbaya Bridge, achieving a removal efficiency of 89.86%. Producing HAp from quail eggshell waste using the microwave-assisted method proved effective for the adsorption of Pb(II).
Co-Authors Adlis Santoni Admi Admi Bustanul Arifin BUSTANUL ARIFIN Deswati Deswati Dwi Syukur Phameswari Elida Mardiah Ellyta Sari Emil Salim Emriadi - Frisca Aulanny Hermansyah Aziz Ilahi, Fitratul Mai Efdi Mai Efdi Megita Febiola Nengsih, Zarnida Widia Norman Ferdinal Novesar Jamarun Novesar Jamarun Nurul Afifah Nurul Annisyah Olly Norita Tetra Rahayu Rahayu Rahmiana Zein Raihan Hanif Aulia Refilda Refilda Refinel - Reni Desmiarti Risa Oktaviani Rosadi, Maulana Yusup Safni Safni Siti Azizah Suryati Suryati Suryati Syafrizayanti Syafrizayanti Syukri - Syukri Arief Syukri Arief Syukri Darajat Syukri Syukri Upita Septiani Wellia, Diana Vanda Yefrida - Yetria Rilda Yulia Eka Putri, Yulia Eka Yulizar Yusuf Yulizar Yusuf Zilfa Zilfa Zulhadjri Zulhadjri