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Nova Kafrita
Universitas Jambi
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Calcium Carbonate (CaCO3) From Pearl Clam Shells (Pinctada maxima) Lombok as Potential Thermochemical Energy Storage (TCES) Material Nazarudin Nazarudin; Frastica Deswardani; Nova Kafrita; Susilawati Susilawati; Rista Mutia Anggraini; Lucky Zaehir Maulana; Fathan Bahfie; Indri Badria Adilina; Richard Walton; Volkan Degirmenci
AMPLITUDO : Journal of Science and Technology Innovation Vol. 5 No. 2 (2026): August
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/amplitudo.v5i2.640

Abstract

The study focused on preparing and characterizing Calcium Carbonate (CaCO3) derived from the shells of Lombok pearl oysters (Pinctada Maxima). The objective was to assess the potential of these shells as raw material for Thermochemical Energy Storage (TCES). The research involved calcination pearl oyster shells at different temperatures: 600°C (CKM 1), 700°C (CKM 2), and 800°C (CKM 3). XRD analysis revealed that these samples contained CaCO3 with a calcite phase and a Rhombohedral crystal system (R-3C). The crystalline sizes for CKM 1, CKM 2, and CKM 3 were 53.70 nm, 57.05 nm, and 40.07 nm, respectively. Furthermore, pearl oyster shell samples were combined with Ludox. XRD results for samples subjected to filltering treatment (CKM 4) and heating treatment with a stirrer on a hotplate (CKM 5 and CKM 6) and calcined at 600°C and 700°C also indicated the presence of CaCO3. The crystalline size for CKM 4, CKM 5, and CKM 6 was measured at 55.50 nm, 55.51 nm, and 55.51 nm, respectively. CaCO3 from Pearl oyster shells have direct band with the value between 2.1 - 2.9 eV.
Co-Authors Fathan Bahfie Frastica Deswardani Indri Badria Adilina Lucky Zaehir Maulana Richard Walton Rista Mutia Anggraini Volkan Degirmenci