details
Title: Carbon Capture Approaches for Natural Gas Combined Cycle Systems
Publication Number: DOE/NETL-2011/1470
Publication Date: 01/2011
Publication Type: Report/Publication
Contact: Walter Shelton
Program/Technology: Carbon Sequestration
Turbines
Author: Walter Shelton (NETL)
James Black (NETL)
Allison Kyle (Booz Allen Hamilton)
Wen-Ching Yang (Booz Allen Hamilton)
Norma Kuehn (Booz Allen Hamilton)
Mark Woods (Booz Allen Hamilton)
Synopsis:

This study develops ASPEN PLUS simulation models and cost estimates for Natural Gas Combined Cycle plants with CO2 capture. Three approaches for carbon capture are examined: pre-combustion, post-combustion and oxy-combustion. In pre-combustion carbon capture, the carbon in the fuel is converted to CO2 and removed before the combustion process, whereas in post-combustion, the more dilute CO2 is separated from the flue gas at a lower pressure. Oxy-combustion technologies use nearly pure oxygen as the oxidant so that the flue gas consists primarily of CO2 and water vapor. Case results are compared with a reference plant based on an 7F frame combustion turbine.

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