KINETIC-STUDY ON THE EXTRACTION OF COPPER FROM AQUEOUS ACETATE BUFFERS WITH VERSATIC ACID-10

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The extraction rate of copper(II) from aqueous acetate buffer solutions into Versatic Acid 10 dissolved in kerosene has been investigated using a constant interfacial-area unit cell. Two alternative kinetic equations were derived under the assumption of Langmuir adsorption isotherm for the organic phase - interface distribution of extractant. Experimental results show that the overall reaction is controlled by the formation step of the second intermediate complex,CuR2HR, and that the forward extraction rate is proportional to the copper concentration in the aqueous phase, inversely proportional to the hydrogen ion concentration and proportional to a more complex function of the Versatic Acid 10 concentration.
Publisher
Taylor & Francis
Issue Date
1987
Citation

Solvent Extraction and Ion Exchange, Vol.5, No.1, pp.55-71

ISSN
0736-6299
URI
http://hdl.handle.net/10203/25156
Appears in Collection
CBE-Journal Papers(저널논문)

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