Keywords
xương bò
xương trâu
xương lợn
xương dê hydroxylapatite
cow bone
buffalo bone
pig bone
goat bone
How to Cite
Abstract
In this study, the bone char composition of cows, buffaloes, pigs, and goats was studied. The samples were characterized by using X-ray diffraction, thermal analysis, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The main component is hydroxylapatite (Ca5(OH)(PO4)3) with the following content: 67.7% in buffalo bones, 65.2% in cow bones, 58% in pig bones, and 48% in goat bones. The bone char exhibits a nano-sized morphology ranging from fibres to granules depending on the calcination temperature and animal bone type. The bone char is suitable as a starting material for producing organic nano phosphate fertilizer.
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