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Chapter 3: Capture of CO2 165 table 3.13 Continued. Study Assumptions and Results ADvANCED NGCC ADvANCED iGCC ADvANCED HyBRiDS Simbeck Parsons Parsons CCP CCP CCP CCP Dillon Parsons NEtL NEtL CCP CCP NEtL Parsons Reference Plant (without capture) 2002 2002b 2002b 2005 2005 2005 2005 2005 2002b 2002 2002 2005 2005 2002 2002b Power plant type comb. cycle H-class turbine comb. comb. cycle cycle H-class H-class turbine turbine NGCC E-gas, O2, water scrubber; E-gas, O2, CGCU, Hydraulic air E-gas, O2, CGCU, Hydraulic air Canada coke Canada coke E-gas, O2, HGCU, “G” GT, SOFC CHAT SOFC Fuel type (bit, sub-bit, lig; NG, other) and %S Reference plant net size (MW) Plant capacity factor (%) Nat. gas Nat. gas Nat. gas NG NG NG NG NG Illinois #6 Illinois #6 system Illinois #6 Coke Coke Illinois #6 Nat. gas Net plant efficiency, LHV (%) Fuel cost, LHV (US$ GJ−1) Reference plant emission rate (tCO2 MWh−1) 56.4 66.2 1.03 2.96 2.96 1.03 2.82 0.342 CO2 capture technology MEA 0.338 0.338 0.37 0.37 0.37 0.37 0.371 0.720 0.712 0.568 0.95 0.95 0.572 0.302 Capture Plant Design MEA MEA MEA low- cost/ CCGT- integrated (post-comb.) 345 50.6 86 0.06 Membrane Contactor; KS-1 (post- comb.) 335 49.2 86 0.06 Hydrogen Sorption Oxy- Membrane Enhanced Water fuel Selexol Selexol IGCC with capture (pre- comb.) IGCC with advanced capture (pre- comb.) 734 Selexol Net plant size with capture (MW) 413 Net plant efficiency, LHV (%) 51.7 CO2capture system efficiency (%) 85 CO2 emission rate after capture 0.06 (t/MWh) 311 311 48.1 48.1 90 90 0.042 0.042 Reformer Gas Shift- Air (pre-comb.) ATR (pre-comb.) 387 33.8 91.5 0.074 312 404 35.2 45.4 92.7 92.7 0.065 0.050 699 755 517 49.7 46.1 90 86.8 0.046 0.043 CO2 captured (Mt yr−1) 0.980 CO2 product pressure (MPa) 13.7 CCS energy requirement(% more 16 input MWh−1) 0.669 0.823 8.3 8.3 24 24 1.09 1.09 1.27 1.47 2.074 8.3 1.984 1.984 14.5 14.5 6.44 3.390 14.5 8.3 CO2 reduction per kWh (%) 82 Cost Results 97.0 90 91 91 71.2 71.1 11.0 14.8 Cost year basis (constant dollars) 2001 Fixed charge factor (%) 15.0 2000 2000 11.0 724 11.0 724 11.0 11.0 724 724 2000 2002 2002 11 15.0 14.8 14.8 559 1249 1436 881.4 11.0 1398 Reference plant TCR (US$ kW−1) Capture plant TCR (US$ kW−1) Incremental TCR for capture (US$ kW−1) 1398 1508 623 Reference plant COE (uS$ mWh−1) Capture plant COE (uS$ mWh−1) Incremental COE for capture (US$ MWh−1) 634 42.9 65.9 487 447 278 33.5 30.7 34.2 54.1 48.8 45.1 501 334 365 34.2 34.2 34.2 48.9 43.2 45.4 475 449 753 33.5 41.0 47.0 50.3 53.6 65.5 568 521 425 314 28.5 32.3 32.3 41.1 41.8 42.1 40.5 48.8 % increase in capital cost (over ref. plant) % increase in COE (over ref. plant) 23 109 20.6 18.1 10.9 90 90 38 14.7 9.0 11.2 69 46 50 16.8 12.6 18.5 85 36 52 13.3 9.8 8.2 7.7 64 37 30 21 Cost of CO2 captured (US$/tCO2) Cost of CO2 avoided (US$/tCO2) 82 Capture cost confidence level (see Table 3.6) 48 30.2 39.5 22.5 28.2 34.4 16 22 20 11 10 13 47 19 29 26 14 12 15 480 80 60.0 4.86 384 384 65 80 59.5 59.5 2.82 2.82 392 95 57.6% 2.96 392 95 57.6% 2.96 392 95 57.6% 2.96 507 95 57.6% 2.96 388 425 85 80 56.0 41.1 3.00 1.23 326 85 43.8 1.03 408 85 54.9 588 91.3 588 91.3 644 85 557 80 582 1216 539 496 1026 943 1002 1225 1058 1089 1034 1698 2189 1450 1919 1823 1822 88 88 84.1 83.6 100 87.9 92 86 2002 2000 361 424 440 53.0 48.2 44.7 100 90 0.00 0.04 0.011 0.27 6.80 0.28 et al. 54 61 59 32 43 26 33 50 31 39 47 30 25 19 70 61 35.1 47.5 low to moderate 24.4 low to very low low very low Notes: All costs in this table are for capture only and do not include the costs of CO2 transport and storage; see Chapter 8 for total CCS costs. * Reported HHV values converted to LHV assuming LHV/HHV = 0.96 for coal and LHV/HHV = 0.90 for natural gas. **Reported value increased by 15% to estimate interest during construction and other owners’ costs. * * * * H-class turbine compression compression with open loop water 11 25 22 24 21 13 44 gasification gasificationPDF Image | CARBON DIOXIDE CAPTURE AND STORAGE
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