Fig. 5

The schematic packing of structured catalytic system and packed bed catalytic system: (a) structured catalytic system with spiral-type structured catalyst (SCS_spiral-type), (b) structured catalytic system with plate-type structured catalyst (SCS_plate-type), (c) packed bed catalytic system diluted with SiC pellets (PCS_SiC), and (d) packed bed catalytic system diluted with Al chips (PCS_Al chips).