Mitsubishi Heavy Industries, Ltd. Mitsubishi Heavy Industries, Ltd. March 7 th , 2003 Nobuo Imai, Project Manager Environmental Project Department Second International Forum on Geologic Sequestration of CO 2 in Deep, Unmineable Coal Seams “Coal-Seq II” Second International Forum on Geologic Sequestration of CO 2 in Deep, Unmineable Coal Seams “Coal-Seq II” Advanced Solvent to Capture CO 2 from Flue Gas Advanced Solvent to Capture CO 2 from Flue Gas
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Mitsubishi Heavy Industries, Ltd.
Mitsubishi Heavy Industries, Ltd.
March 7th, 2003Nobuo Imai, Project Manager
Environmental Project Department
Second International Forum onGeologic Sequestration of CO2
in Deep, Unmineable Coal Seams “Coal-Seq II”
Second International Forum onGeologic Sequestration of CO2
in Deep, Unmineable Coal Seams “Coal-Seq II”
Advanced Solvent to CaptureCO2 from Flue Gas
Advanced Solvent to CaptureCO2 from Flue Gas
Mitsubishi Heavy Industries, Ltd.
Flue Gas CO2 Capture Technology
Commercially Available
StatusCapture Cost*3
(US$/T-CO2)Type
MEA
KS-1
Chemical
Absorption
PSA Method
PTSA MethodAdsorption
R&D Companies
Fluor DanielABB Lummus
KEPCO*1 / MHI*2
KEPCO / MHI
MHI (Nagasaki R&D)Others
Commercially Available
UnderResearch
35.0
Lower than MEA
84.0
Kvaerner Process SystemsOthers
UnderResearch
Amine &
Membrane
Amine Solvent
+ Membrane42.3
*1) KEPCO = Kansai Electric Power Company, *2)MHI = Mitsubishi Heavy Industries, Ltd.*3) Based on cost evaluation study conducted by IEA
Mitsubishi Heavy Industries, Ltd.
Comparison Flue Gas CO2 Capture Technology
Solvent
CO2 Prod. Capacity
Steam for Reboiler
Electric Power
Cooling Water
Chemical
Licensor
KS-1
160(max. 210)
1.52(800)
18{70} *4
159(∆T=10℃)
2.1
MHI*1
MEA(30wt%)
200
1.94(988)
80
165(∆T=10℃)
4~5
Fluor Daniel*2
MEA(15~20wt%)
200
2.7(1365)
100
79.5(∆T unknown)
2.25
ABB Lummus*3
T/D
T/ton-CO2(kcal/kg-CO2)
Kwh/ton-CO2
m3/ton-CO2
US$/ton-CO2
*1) Commercial Experience in Malaysia*2) Energy Convers. Mgmt Vol.33, “First International Conference on Carbon Dioxide Removal”, M.T. Sanders, et al. 1992.*3) Hydrocarbon Processing, “CO2 recovery”, May 2002*4) Expected value of electric power consumption when S/T is replaced with motor (for comparative purpose).
Mitsubishi Heavy Industries, Ltd.
Process Flow for Amine AbsorptionTreated Flue Gas
C.W.
STRIPPERSTRIPPER
Captured CO2(Purity 99.9%)
C.W.
ABSORBERABSORBERC.W.
FLUE GASCOOLERFLUE GASCOOLER C.W.
SteamREBOILERREBOILER
Mitsubishi Heavy Industries, Ltd.
Coal Fired Flue Gas CO2 Recovery Pilot Test Unit
W aterO x. AirCaCO 3
NaO H Absorbent
G ypsum Recovery W aste W ater
NH
3
C .W .
C.W .
Water
Steam
De-NOx
De-SOx
De-CO 2
Treated Flue GasCO 2
OBJECTIVEOBJECTIVE
•• Applicable to various fossil fuel evaluation testsApplicable to various fossil fuel evaluation tests
•• Evaluation of total material balance, including Evaluation of total material balance, including ttrace materialrace material
•• Optimization of COOptimization of CO22 recovery processrecovery process
MHI and Kansai Electric initiated R&D since 1990.• Laboratory tests• Bench scale tests• Pilot plant tests• Data collection and analysis from commercial plants
LocationLocation :: Kedah Darul Aman, MalaysiaKedah Darul Aman, Malaysia
Feed GasFeed Gas :: Steam Reformer Flue GasSteam Reformer Flue Gas
CapacityCapacity :: Flue Gas 47,000 Nm3/HFlue Gas 47,000 Nm3/H(Max. Capacity = 210 T/D)(Max. Capacity = 210 T/D)
Use of COUse of CO22 :: Urea ProductionUrea Production
Start UpStart Up :: October 1999October 1999
Mitsubishi Heavy Industries, Ltd.
Large Scale CO2 Capture Plant (Conceptual)
ABSORBERABSORBER
STRIPPERSTRIPPERCOOLERCOOLER
Mitsubishi Heavy Industries, Ltd.
Large Scale CO2 Capture Plant
Solvent
CO2 Prod. Capacity
Steam for Reboiler
Electric Power
Cooling Water
Chemical
Licensor
KS-1
160(max. 210)
1.52(800)
18{70} *3
159(∆T=10℃)
2.1
MHI*1
KS-1
3,000
1.53(790)12.2
{40}*3
174(∆T=10℃)
1.8
MHI*2
T/D
T/ton-CO2(kcal/kg-CO2)
Kwh/ton-CO2
m3/ton-CO2
US$/ton-CO2
*1) Commercial Experience in Malaysia*2) Conceptual Value of 3,000 T/D Large Scale CO2 Capture Plant*3) Expected value of electric power consumption when S/T is replaced with motor (for comparative purpose).