Ceramic-Based 3D Printed Supports for Photocatalytic Treatment of Wastewater

Figure 6

Optical images of impregnated 3D structures with dispersions of Al₂O₃, using an Al₂O₃ concentration of (a) 0.77 g/ml, (b) 0.65 g/ml, and (c) 0.47 g/ml.

(a)

(b)

(c)