Recyclable Xanthan/TiO₂ Composite Cryogels towards the Photodegradation of Cr(VI) Ions and Methylene Blue Dye

Figure 10

Photographs of XG and XG/TiO₂ 10% cryogels before the addition of MB solution, just after the addition of MB solution (0 h), after 1 h and 2 h of UV radiation.