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Preparation of γ-Alumina from Kankara Kaolin in Nigeria by Acid Leaching Using Hydrochloric Acid
2016
Academic Journal of Chemistry
unpublished
Investigation has been done concerning Kaolin based alumina prepared by acid leaching method. This was initially fired at 600℃ for 4 hours to increase its reactivity. For better yield Hydrochloric Acid ( HCl) was used for the digestion as against the conventional Sulphuric acid (H 2 SO 4) . The gelatinous precipitate of the hydrated alumina was further filtered under vacuum 400°C for 2h, which resulted the formation of γ-alumina. The structure of γ-alumina was confirmed by XRD and its
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