Water and
Light
Hydrocarbons
Gas Oil
Wiped Film
Evaporator
Feed Stock
Gas Oil
Separation
Defouling Reaction
De-Poisoning
Reaction
Dewatering
Asphalt
Flux
Recycle Gas
Fractionation
Lube
Distillate
Light Neutral
Stripper
Flash Drum
(HP then LP)
Light Neutral
Base Oil
Heavy Neutral
Base Oil
3rd Reactor
2nd Reactor
1st Reactor
Hydrotreating
(hydrotreating, HDS,
and HDN reactions)
H2