Research Article
Hexavalent Chromium Removal from Model Water and Car Shock Absorber Factory Effluent by Nanofiltration and Reverse Osmosis Membrane
Figure 4
Effect of the ionic strength and coexisting ions on the retention rate of Cr(VI) ( = 50 mg L−1, = 50%, = 6 bars, pH = 8, and θ = 25°C).