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Wahyu Hidayat
Prodi Teknik Mesin, Universitas Jenderal Achmad Yani, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Public Health Social Sciences

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Green synthesis of hydroxyapatite from eggshells using orange peel (Citrus sinensis) as a template for bioceramic Manty Aldilani Ikaningsih; Wahyu Hidayat; Wirawan Piseno; Lulu Nurdini; Besse Titing Karmiati; Arif Rahman; Ba’adilla Akhista Gamara
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8645

Abstract

This study addresses the environmental challenge posed by chicken eggshell and orange peel waste by developing a sustainable green synthesis route for hydroxyapatite (HAp). This work aimed to synthesize hydroxyapatite from eggshell-derived calcium using orange peel (Citrus sinensis L.) extract as a natural template and to evaluate the effect of extract concentration on the structural and morphological characteristics of the resulting material. Hydroxyapatite was synthesized via a wet-chemical precipitation method under alkaline conditions using orange peel extract at concentrations of 0%, 10%, 20%, and 30%. X-ray diffraction analysis confirmed hydroxyapatite as the dominant crystalline phase in all samples, with crystallinity values of 100%, 99.55%, 95.6%, and 95.2% for extract concentrations of 0%, 10%, 20%, and 30%, respectively, indicating controlled reduction in crystallite size with increasing extract concentration. Scanning electron microscopy revealed a progressive reduction in particle size, decreased agglomeration, and enhanced surface porosity, while energy-dispersive X-ray spectroscopy confirmed consistent elemental composition and high purity. Among the investigated conditions, the use of 30% orange peel extract produced the most favorable overall characteristics, combining refined microstructure and controlled crystallinity.
Co-Authors Agneta Grace Pessireron Anang Budi Sutarsa Arif Rahman Asifa Asri Ba’adilla Akhista Gamara Besse Titing Karmiati Dadan Zulpian Damawidjaya Biksono Dede Furqon Nurjaman Deyan Rianto Een Taryana Hakim Achmad Rifan Hakim, Rachman Hasanuddin Hasanuddin Heri Adi Prasetyo Heri Widiantoro Ilham Lazuardy Arief Irfana Diah Faryuni John Arnoldos Wabang Lulu Nurdini Manty Aldilani Ikaningsih Maykel Manawan Mega Nurhanisa Saefudin, Deny Bayu Sovian Aritonang Wahyu Hidayat War’an Rosihan Wirawan Piseno Wirawan Piseno Wirawan Piseno Yusman Putra