Ozonation of Indigo Carmine Enhanced by Fe/Pimenta dioica L. Merrill Particles

Figure 1

Schematic of the apparatus for the ozonation reaction. (1) Upflow glass bubble column reactor. (2) Porous glass (gas diffuser). (3) Pacific Technology D412 ozone destroyer. (4) Ozone generator. (5) Dry air inlet. (6) Sample valve. (7) Reaction solution.