Study on Adsorption of Cu and Ba from Aqueous Solutions Using Nanoparticles of Origanum (OR) and Lavandula (LV)

Figure 8

The plot of (a) pseudo-first order (POF) and (b) pseudo-second order (POS) for the metal ion adsorption onto OR and LV (initial pH, 120 rpm, 10 mg/L of metals, 50 μm size and 0.5 g of adsorbents, and 25°C at time 60, 90, 120, 150, and 180 min).

(a)

(b)