Removal of Copper(II) from a Concentrated Sulphate Medium by Cloud Point Extraction Using an N,N’ Bis(salicylaldehyde)Ethylenediimine
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![Table 4 Effect of the surfactant concentration on the concentration factor (C f ) and the surfactant-rich phase volume fraction (/ s ) of the CPE process performance: [H 2 L] = 1.86 9 10 -3 mol/L, [Na 2 SO 4 ] = 0.5 mol/L, pH = 8, T = 60 °C TOP9.5EO/wt% E % C f / s 0.8 53 26.5 0.02 1 86 29 0.03 2 95 24 0.04 3 100 17 0.06 4 75 11 0.07 5 73 8 0.0932J Surfact Deterg (2014) 17:27–35 123](https://thumb-eu.123doks.com/thumbv2/123doknet/2280852.22309/8.892.457.817.918.1066/effect-surfactant-concentration-concentration-surfactant-fraction-performance-surfact.webp)
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