Purification of Sulphate Leach Liquor of Spent Raneynickel Catalyst Containing Al and Ni by Solvent Extraction with Organophosphorus-Based Extractants

<table>Equilibrium pH on percentage extraction of Al and Ni; conditions: Al = 3.25 g/L; Ni = 85 g/L; reagents = 0.45 M; TOPS 99; PC 88 A; Cyanex 272; equilibrium pH, 1–7.0.</table>

The Scientific World Journal

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Figure 1

Figure 1: Purification of Sulphate Leach Liquor of Spent Raneynickel Catalyst Containing Al and Ni by Solvent Extraction with Organophosphorus-Based Extractants 

Figure 1 | Purification of Sulphate Leach Liquor of Spent Raneynickel Catalyst Containing Al and Ni by Solvent Extraction with Organophosphorus-Based Extractants 