Figure 4. The effect of initial dye concentration (A) and catalyst dosage (B) on MB degradation in the presence of and NPs catalysts.

From

Sol-gel Preparation of Different Crystalline Phases of TiO2 Nanoparticles for Photocatalytic Degradation of Methylene Blue in Aqueous Solution

Siti Lailatul N. Zulmajdi, Nur Izzah I. Zamri, Abdul Hanif Mahadi, Mohd Yameany H. Rosli, Fairuzeta Ja’afar, Hartini M. Yasin, Eny Kusrini, Jonathan Hobley, Anwar Usman

American Journal of Nanomaterials. 2019, 7(1), 39-45 doi:10.12691/ajn-7-1-5