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

Figure 1

Schematic representation of (a) XG and (b) citric acid chemical structures and (c) hydrogels and cryogels preparation for further characterization and adsorption studies.

(a)

(b)

(c)