Sustainable preparation of ixora flower-like shaped luminescent powder by recycling crab shell biowaste
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2021
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Optik - International Journal for Light and Electron Optics
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We report on cost-effective recycling of crab shell biowaste and synthesis of luminescent powders. XRD, thermogravimetric and, FTIR analysis revealed that calcination temperature must be beyond ∼800 °C to recycle biowastes crab (Ucides cordatus) shell into crystalline powder composed of CaO, and a small amount of CaCO3, NaCa(PO4), MgO, and Ca₁₀(PO₄)₆(OH)₂. SEM analysis revealed that calcination of crab shell biowaste at 800 °C/2 h produced the homogeneous cauliflower- and ixora flower-like shaped intrinsic luminescent powders. XEOL and thermoluminescence analyses suggest that F+-centers of the CaO structure are responsible for the efficient intrinsic scintillation of the crab shell powder. Therefore, our study shows a biomaterial promise derived from seafood wastes as natural dosimeter materials for industrial applications.
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REZENDE, M.V.S.; PEREIRA, U.C.; REZENDE, Y.R.R.S.; CARVALHO, I.S.; SILVEIRA, W.S.; JUNOT, D.O.; SILVA, R.S.; RESENDE, C.X.; FERREIRA, N.S. Sustainable preparation of ixora flower-like shaped luminescent powder by recycling crab shell biowaste. Optik - International Journal for Light and Electron Optics, v. 235, p. 1-5, 2021. DOI: 10.1016/j.ijleo.2021.166636. Disponível em: http://repositorio.ipen.br/handle/123456789/32050. Acesso em: 25 Apr 2024.
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