Project Overview Production of Methanol From Carbon monoxide And Hydrogen
Process Layout W C
o
n
d
e n
a s t e
g
a s e s
s e r C
H P H C
S
2
y R
i g h L o w r e s s P u r r ee s s u
r u d e M e t h a n T a n k r e
n
t h e s i s e a c t o r
O R M
e f i n e d e t h a n o
R e c t i f l i e r
o
l
Description It’s
a reversible reaction. Best operating temperature is 400oc. Best operating pressure is 3000 to 4000 psig
FOR MORE INFO...
Methanol\Synthesis of Methanol.doc
Synthesis Reactor W
Carbon
a s t e
g
a s e s
monoxide and Hydrogen C o n d e n s e r C r u d e gases are introduce in the reactor. M e t h a n T a n k In ratio of 2:1 H i g h L o w P r e s s P u r r ee s s u r e S yo n t h e s i s H At 375 C and 4000psig pressure. R R e a c t o r e O C The c reaction is self-sustaining. t
o
l
2
R M
i
e f i n e d f H e t h a n o2 l i C
e
O r
S
y R
n t h e s e a c t o r
Condenser W
Methanol Ccontaining o n d e n s e r
a s t e
g
a s e s
gases leave the r u d e M e t h a n T a n k
reactor. H i g h L o w Pass through the P r econdenser. s s P u r r ee s s u r e S y n t h e s i s H R e a c t o r UnderR pressure 3000 to e C O c t 4000 psig. i
C
o
l
2
R M
e f i n e d e t h a n o
f
l i
C
e r
o
n d
e n s e
Pressure Zones The
W
a s t e
g
a s e s
effluent is conveyed to a high C o n d e n s e r C r u d e pressure zone to ensure complete M e t h a n o l T a n k condensation. H i g h L o w P r e s s P u r r ee s s u r e H Then S the goes to low y n t effluent h e s i s R R e a c t o r e pressure zone to condense methanol C O c t only while. i R e f i n e d f M e t h a n o l Other gases vented off. i e 2
W
a
s
r H P
ig h L o w r e s s u P r re e s s u r e
t e
g
a
s
e
s
Storage tank W
The
a s t e
g
a s e s
crude methanol goes to storage C o n d e n s e r C r u d e tank.
H C
– To supply unrefined H i g hform L o w P r e s s P u r r ee s s u r – To break S y n t h the e s i process s 2 R e a c t o r –O Then it goes to rectification. R M
e f i n e d C e t h a n o
M
e t h a n T a n k
o
l
u
e t h a n
e R e c t i fr l i e r
d
e
M
Rectification W
The
a s t e
g
a s e s
methanol is purified from all C o n d e n s e r C r u d e impurities. M e t h a n T a n k The impurities may H i g contain h L o w high P r e s s P u r r ee s s u r e alcohols. S y n t h weight e s i s H molecular 2
C
R
e a c t o
r
O
FOR MORE INFO...
See Distillation process
R M
e f i n e d e t h a n o
R e c t i f l i e r
R E C T I F I C A T I O N
o
l
Refined Methanol W
The
a s t e
g
a s e s
pure and refined methanol goes C o n d e n s e r C r u d e for storage and usage. M e t h a n o T a n k The commonly used H i g h catalysts L o w are P r e s s P u r r ee s s u r e of S y n oxides t h e s i s H metallic 2
C
R
e a c t o
–O Copper. – Zinc. – Chromium.
r
R M
R
e f i n e d e t h a n o
R e c t i f l i e r
e f i n e d
M
l
e t h a
Related books Unit
process
– P.H. Groggins Encyclopedia
– Borrie Encyclopedia
– Kirk Orthomer Hand
book of Chemical process
– K.H. Devis