First Stage
Selective
Desulfurization
Reactor
Second Stage
Selective
Desulfurization
Reactor
Product
Stripper
Make-Up H2
Cold
Sep
RGC
Off-Gas to Treating
Lean Amine
Rich Amine
Lt Gas Product
and/or LPG (if any)
Cold Sep
Inter-Stage
Stripper
Off-Gas
to Treating
KOD
Full Range
Gasoline
DIOS
Reactor
Low Sulfur Gasoline
Fig. 15
Simplified process flow diagram of a two-stage SelectFining process unit
Hydrotreating in Petroleum Processing
405