Journal
HYDROMETALLURGY
Volume 109, Issue 1-2, Pages 43-46Publisher
ELSEVIER
DOI: 10.1016/j.hydromet.2011.05.006
Keywords
Spodumene; Autoclave process; Lithium carbonate; Carbonation
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Preparation of lithium carbonate from spodumene concentrate was carried out by a sodium carbonate autoclave process. The effects of different operation conditions including liquid-to-solid ratio, Na/Li ratio, agitation speed, reaction temperature and reaction time on the lithium carbonate conversion efficiencies were initially investigated. The results show that the conversion efficiency is not less than 94% under the optimal conditions. The purity of the obtained lithium carbonate can reaches up to 99.6%, which is higher than that obtained by sulfuric acid method. (C) 2011 Elsevier B.V. All rights reserved.
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