Azhar, Anis Liyana and Ma'amor, Azman and Julkapli, Nurhidayatullaili Muhd and Noviyanti, Atiek Rostika and Juliandri, Juliandri and Ernawaty, Evy E. and Haryono, Haryono and Solihudin, Solihudin (2024) Elimination of synthetic dyes by clamshell derived photo-active hydroxyapatite. Journal of Physics and Chemistry of Solids, 192. p. 112103. ISSN 0022-3697, DOI https://doi.org/10.1016/j.jpcs.2024.112103.
Full text not available from this repository.Abstract
Herein, a novel designed hydroxyapatite (HAp) derived from freshly calcined clamshell waste through the wet precipitation method was synthesized. HAp has been developed as a heterogeneous photocatalyst for the anionic dye methyl orange (MO) degradation. The pH on synthesizing HAp was varied in basic conditions. The results show HAp formed at pH more than 10. The MO photodegradation was done under UV-light irradiation for 120 min. HAp catalyst showed the optimum MO degradation efficiency using rod-like structure HAp synthesized at pH 12. HAp with optimum photodegradation efficiency was optimized for the catalyst loading and the pH of the MO solution. MO at pH 6 with 0.05 g catalyst loading showed the highest degradation efficiency around 97 % using HAp prepared at pH 12 with band gap at 4.990 eV. This finding brings a new insight on natural sources materials as photo-active in sustainable of persistent water pollutants.
| Item Type: | Article |
|---|---|
| Funders: | Fundamental Research Grant Scheme, Ministry of Higher Education Malaysia (FRGS/1/2022/STG05/UM/02/7), University Malaya Matching Grant (MG019-2022) |
| Uncontrolled Keywords: | Photocatalyst; Dye removal; Clamshell waste; Wastewater treatment |
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry Nanotechnology & Catalysis Research Centre |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 17 Sep 2024 00:54 |
| Last Modified: | 17 Sep 2024 00:54 |
| URI: | http://eprints.um.edu.my/id/eprint/45094 |
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