Table 6 Performance of oxy-fuel power plant with cryogenic CO2 purification Base case This work Strube and Manfrida (2011) Others IEAGHG Pipitone and Posch and Air Products Air Products 2005/9, Air EOR case - Air Products Bolland Haider 17 bar 30 bar Air Liquide Praxair Productsa Costain Base Case (2009)b (2012)b Type stripping stripping Case 2 2 Flue gas composition pre-compression and water removal (% mol) CO2 76.0 76.0 75.3 75.3 75.3 75.3 74.4 75.0 77.4 Ar 3.6 3.6 2.3 3.2 N2 14.1 14.1 16.4 11.5 O2 5.5 5.5 6.0 7.9 Separation Two flash Two units Two flash Flash separator Two flash Distillation Stripper Distillation Distillation method units and stripper units and stripper separators and column, column and separation separation stripper stripper, and vessel d flash vessel c CO2 recovery 90.0 90.0 86.5 86.4 85.7 86.6 82.2 86.9 87.6 90.1 – (%) Total amount of 526.8 435.23 492 (136.7 509 627 412 492 602.9 700 work in the CPU (146.3 (120.9 kWh/tCO2) (141.4 (174.2 (114.4 (136.7 (167.6 (195 per kg stored CO2 kWh/tCO2) kWh/tCO2) kWh/tCO2) kWh/tCO2) kWh/tCO2) kWh/tCO2) kWh/tCO2) kWh/tCO2) (kJ/kg) Product gas composition (% mol) CO2 95.5% 99.98% 96.1% 99.97% 99.99% 99.99% 99.9% 99.3% 99.99% O2 1.4% 100 ppm 0.73% 176 ppm 46.5 ppm 35.6 ppm 363 ppm 4000 ppm) 6 ppm Pressure (bar) 110 110 110 110 110 110 110 110 120
Table 6 Performance of oxy-fuel power plant with cryogenic CO2 purification Base case This work Strube and Manfrida (2011) Others IEAGHG 2005/9, Air Productsa EOR case - Costain Air Products Base Case Air Products 17 bar stripping Air Products 30 bar stripping Air Liquide Praxair Pipitone and Bolland (2009)b Case 2 Posch and Haider (2012)b Type 2 Flue gas composition pre-compression and water removal (% mol) CO2 76.0 76.0 75.3 75.3 75.3 75.3 74.4 75.0 77.4 Ar 3.6 3.6 2.3 3.2 N2 14.1 14.1 16.4 11.5 O2 5.5 5.5 6.0 7.9 Separation method Two flash units Two units and stripper Two flash units Flash separator and stripper Two flash separators and stripper Distillation column, stripper, and flash vessel c Stripper column and vessel d Distillation separation Distillation separation CO2 recovery (%) 90.0 90.0 86.5 86.4 85.7 86.6 82.2 86.9 87.6 – 90.1 Total amount of work in the CPU per kg stored CO2 (kJ/kg) 526.8 (146.3 kWh/tCO2) 435.23 (120.9 kWh/tCO2) 492 (136.7 kWh/tCO2) 509 (141.4 kWh/tCO2) 627 (174.2 kWh/tCO2) 412 (114.4 kWh/tCO2) 492 (136.7 kWh/tCO2) 602.9 (167.6 kWh/tCO2) 700 (195 kWh/tCO2) Product gas composition (% mol) CO2 95.5% 99.98% 96.1% 99.97% 99.99% 99.99% 99.9% 99.3% 99.99% O2 1.4% 100 ppm 0.73% 176 ppm 46.5 ppm 35.6 ppm 363 ppm 4000 ppm) 6 ppm Pressure (bar) 110 110 110 110 110 110 110 110 120
OxyPROP_journal_paper_EOR_application_Revised_version.docx