644
S.A. Treese
Table 15 Example SMR hydrogen plant material balance development
Component
Feed
Steam
Ref In
6.87
MMscfd
66.5 Mlb/h
mw v%
mols/h lbs/h
mols \
C/h
mols \
H/h
mols/h
mols \
H /hr
mols/h lbs/h
C
mols/h H mols/h
H 2
2
9.3
70
140
0
140
0
0
70
140
0
140
C 1
16
80.7
609
9,741
609
2,435
0
0
609
9,741
609
2,435
C 2
30
3.4
26
769
51
154
0
0
26
769
51
154
C 3
44
1.9
14
631
43
115
0
0
14
631
43
115
C 4
58
1.6
12
700
48
121
0
0
12
700
48
121
C 5
72
1.3
10
706
49
118
0
0
10
706
49
118
C 6
86
0.2
2
130
9
21
0
0
2
130
9
21
CO
28
0.3
2
63
2
0
0
0
2
63
2
0
CO 2 44
0.6
5
199
5
0
0
0
5
199
5
0
N 2
28
0.7
5
148
0
0
0
0
5
148
0
0
H 2 O 18
0.0
0
0
0
0
3,694
7,389
3,694 66,500 0
7,389
100.0 754
13,227 816
3,104
3,694
7,389
4,449 79,727 816
10,492
H/C Rat 3.802
Stm/Carb
4.53
Alpha
1.901
Reforming
CH 2a
+
X H 2 O
<=>
a CO
+
b CO 2 +
(1-a-b)CH 4
mols/h 816.2
3694.4
359.1459
369.8
87.3
coeff.
1.000
4.526
0.440
0.453
0.107
atm
1.26
1.30
0.31
H
3.80
9.05
0.00
0.00
0.43
Total In: 12.855
Total Out: 12.855
HTSC
mols/h 816.2
3694.4
114.3
614.7
87.3
Coeff
1.000
4.526
0.140
0.753
0.107
20.05 Atm
2.78
12.57
0.39
2.09
0.30