Ai. Ali et al., RECOVERY OF COPPER FROM SULFATE MEDIUM BY LIX-84 IN KEROSENE, Journal of chemical technology and biotechnology, 67(2), 1996, pp. 137-142
The extraction-stripping reaction of Cu(II) by Lix-84 in kerosene from
aqueous sulphate medium of pH 2.5 has been investigated. The effects
of pH, metal ion, extractant and strip solution concentrations as well
as the loading capacity of the extractant were investigated. The numb
er of stages required for the extraction and stripping of copper was a
lso evaluated. The results are used to assess the conditions for purif
ication of industrial waste solutions containing copper through counte
r-current extraction in a horizontal mixer-settler.