Page 18 - Fluid Catalytic Cracking Handbook

Process Description

Flue Gas To Fractionator

Reactor

^Stripping
Steam

Figure 1-2. UOP FCC (courtesy of UOP).

Second stage
regenerator
Riser termination
device

Combustion Air

First stage
regenerator

Combustion
Air
r Feed Injection
Lift air

Figure 1-3. SWEC stacked FCC unit (courtesy of Stone & Webster Engi-
neering Corporation),