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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Lithium recovery from highly concentrated solutions: Response surface methodology (RSM) process parameters optimization
Hydrometallurgy, Volume 90, No. 1, Year 2008
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Description
Lithium recovery from aqueous solutions was studied by trapping lithium ions using a gel of aluminum hydroxide freshly prepared in situ under the reaction of a strong base. A 24 - 1 fractional factorial design and central composite design were employed for experimental design and analysis of the results. The combined effect of molar ratio Al/Li, pH and stirring time on lithium trapping at 25 °C was investigated and optimized using response surface methodology (RSM). The optimum values of these factors were found to be 4.7, 7.2 and 3 h respectively. In this case the lithium trapping percent is ∼ 95%. The obtained model is highly significant (Fobs > Ftabulate and low p-value) with a correlation coefficient of 96.64%. On the other hand, linear, quadratic and interaction terms in this model have the largest statistical effect on the response (confidence level = 99.9%). © 2007 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Hamzaoui, Ahmed Hichem
Tunisia, Soliman
University of Carthage, Centre National de Recherches en Sciences Des Matériaux, Soliman
Jamoussi, Bassem
Tunisia, Tunis
Institut Supérieur de L'education et de la Formation Continue
M'Nif, Adel
Tunisia, Soliman
University of Carthage, Centre National de Recherches en Sciences Des Matériaux, Soliman
Statistics
Citations: 87
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.hydromet.2007.09.005
ISSN:
0304386X