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Supporting Information
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Process modeling of an advanced NH3 abatement and recycling technology in ammonia-based CO2 capture process
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Kangkang Lia,b, Hai Yub*, Moses Tadea, Paul Feronb, Jingwen Yuc, Shujuan Wangc a
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Department of Chemical Engineering, Curtin University of Technology Australia, GPO BOX U
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1987, Perth, WA 6845, Australia
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b
CSIRO Energy Centre, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia
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c
Department of Thermal Engineering, Tsinghua University, Beijing 100084, PR China
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*
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Tel: +61-2-49606201
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Fax: +61-2-49606021
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Email address:
[email protected]
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Summary of SI
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Number of pages: 3
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Number of tables: 2
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Number of figures: 3
Corresponding author:
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Table Captions Table SI-1 Typical flue gas composition from Munmorah Power station Source
Composition, vol/%
Flow-rate, Kg/hr
Temperature, °C
CO2
H2O
O2
N2
NH3
760
120
10.7
6.0
7.8
75.5
0
656
25.1
3.23
1.83
9.0
84.2
1.15
Flue gas from Munmorah Power Vent gas after CO2 absorber of CSIRO pilot test ID-32A 20
Table SI-2 The main parameters of different packing materials No.
Pack type
Vendor
Material
surface area (m2/m3)
void fraction
1 2 3 4
Pall ring-25mm Pall ring-16mm Wire-Pack-500Y CY
GENERIC GENERIC GENERIC SULZER
Metal Metal Metal Standard
205 341 500 708
0.94 0.93 0.95 0.965
22 23 24
Figure Captions
(a)
Total pressure/kPa
1250
Line: Model Point: Goppert et al
8000
T=333.15K
1000
(b)
Line: Model Point: Goppert et al T=353.15K
7000
NH3=0.721 NH3=0.966
750
Total pressure/kPa
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NH3=2.186
500
NH3=3.837
250
NH3=0.591
6000
NH3=2.006
5000 4000 3000
NH3=4.14
NH3=1.087
2000 1000
0
0
0
1
2
3
0.0
4
0.5
25
(c)
Total pressure/kPa
NH3=4.78
800
2.5
3.0
3.5
4.0
NH3=6.54
600 400
T=353K Model, m(NH3)=6.3 Model, m(NH3)=6.0 Model, m(NH3)=6.8 Kurz et al m(NH3)=6.3 Kurz et al m(NH3)=6.0 Kurz et al m(NH3)=6.8
NH3=3.406
NH3=1.638
1000
2.0
(d) 500
1200 NH3=0.506NH =1.014 3
1.5
600
Line: Model Point: Goppert et al T=360.15K
Total Pressure/kPa
1400
1.0
CO2 molality, mol/kg H2O
CO2 molality, mol/kg H2O
400 300 200
T=333K
T=313K
100
200 0
0 0
26 27 28 29
1
2
3
4
5
0
CO2 molality, mol/kg H2O
1
2 3 4 CO2 molality, mol/kg H2O
5
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Figure SI-1 Total pressure of NH3-CO2-H2O mixture for various ammonia and CO2 molalities at different temperatures with model data (line) and experimental data (point) from GÖppert et al14and Kurz et al15 S2
CO2 flowrate, kg/hr
40
122
38
120
36
118
34
116
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Flue gas Flue gas to CO2 absorber Flue gas from CO2 absorber Vent gas
114
30
112
28 0
2
4
6
8
12
14
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Figure SI-2 The CO2 flow rate in different gas streams as a function of circulation times
140
(a)
120
40
100 Temperature, C
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(b)
Flue gas Exit gas from pretreatment Exit gas from CO2 absorber Vent gas
o
o
Temperature, C
50
35
NH3 lean stream NH3 rich stream
30 25 20
80 60 40 20
0
34
10
Circulation times
30 31 32
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CO2 flowrate, kg/hr
124
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
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Circulation time
Ciirculation time
Figure SI-3 Temperature profile of (a) liquid streams and (b) gas streams as a function of time
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