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

Figure 2

3DP process scheme. (a) The roller spreads a thin layer of powder from the feed area to the build area. (b) The print head injects binder droplets on the powder bed. (c) After printing a layer, the roller returns to the feed area. (d) Powder in the feed area is raised, while that in the build area is lowered. The roller then spreads another layer of powder [21].

(a)

(b)

(c)

(d)