Optimization of Indium Recovery and Separation from LCD Waste by Solvent Extraction with Bis(2-ethylhexyl) Phosphate (D2EHPA)

Figure 5

Distribution ratios of Al(III), Cu(II), Fe(III), In(III), Sn(IV), and Zn(II) in 1 M chloride media at 293 K and plotted as a function of the hydrogen ion concentration. The organic phase was 0.1 M D2EHPA diluted in kerosene.