Adsorptive Removal of Benzene and Toluene from Aqueous Environments by Cupric Oxide Nanoparticles: Kinetics and Isotherm Studies

Figure 3

The effect of solution pH on benzene and toluene adsorption by CuO-NPs (CuO-NPs dose = 0.4 g/L, contact time = 60 min, and benzene and toluene concentration = 50 mg/L).