Fig.9

Photodegradation of methylene blue (MB) by MgO nanoparticles under visible light over 110 min, analyzed using kinetic models: (a) Zero-order model, (b) First-order model, (c) Second-order model.

Photodegradation of methylene blue (MB) by MgO nanoparticles under visible light over 110 min, analyzed using kinetic models: (a) Zero-order model, (b) First-order model, (c) Second-order model.