Fig. 8

Effect of pH on Methylene Blue removal efficiency and adsorption capacity onto CK–CNF–Fe Cryogel composite (C₀ = 150 mg L⁻¹, adsorbent dose = 50 mg, contact time = 120 min, T = 298 K).

Effect of pH on Methylene Blue removal efficiency and adsorption capacity onto CK–CNF–Fe Cryogel composite (C₀ = 150 mg L⁻¹, adsorbent dose = 50 mg, contact time = 120 min, T = 298 K).