Adsorptive Removal of Azo Dye New Coccine Using High-Performance Adsorbent-Based Polycation-Modified Nano-Alpha Alumina Particles

Figure 6

Ionic strength effect on the NCC adsorption onto the α-Al₂O₃ particles: without PVBTAC modification at () 10 mM NaCl and with PVBTAC modification at: () 0, () 1, () 10, () 100 and () 200 mM NaCl. Other conditions are C_{i, NCC} of 10 ppm, t of 2 h, and m_α-Al2O3 of 5 mg mL⁻¹.