Fig. 11.

Images corresponding to the fluidization of Aeroxide TiO₂ P25 in a 5-inch (12.7 cm) ID column. a Initial bed height, b maximum bed height when fluidized with microjet assistance, and c close-up of the fluidized bed surface. The fluidized bed expanded from 5.5 inches (14.0 cm) to 25.5 inches (64.8 cm), and the surface of the bed shows no bubbles (reprinted from Quevedo et al. (2010) with permission from Wiley)