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

Figure 7

SEM images and EDX data of Al₂O₃-impregnated samples following procedure 2 (Table 1) with 30 s of impregnation time. (a) SEM image of surface of the covered 3D structure. ((b) and (c)) SEM image showing a good distribution of Al₂O₃ inside the porous structure. (d) SEM image of the inner part of the supporting CaSO₄ porous structure.

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(b)

(c)

(d)