RWGS: CO + H
CO + H O
CO recycle
RWGS recycle gas compressor
Prod RWGS
CO feed
H feed
RWGS feed
Reactor RWGS
E
Heater
Hydrogen compressor
No ow
Cooler
CO absorbed
R
RWGS e uent cooled
CO absorber
Separator
RWGS net product
Cond
Knock-out drum
Oxo: C H + CO + H
C HO
Oxo recycle gas
RWGS net product
Purge
Oxo recycle gas compressor
A
R
Syngas mix
Oxo reactor e uent
Oxo sep. gas
Heater
Oxo feed
Oxo reactor
C
Propylene feed
Cooler
Vapouriser
Solvent feed
Separator 1
Separator 2 feed
Separator 1 liquid
Solvent recycle
Gas compressed
R
Sep.2 condensate
Oxo product
Separator 2
R
Splitter
Solvent recycle
Figure 2 The reverse water gas shift and Oxo synthesis steps of the butanal production process
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