NDLI: Opportunities for CO2 Capture and Storage in Iranian Electricity Generation

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Zabihian, Farshid Alan, S. Fung
Copyright Year	2010
Abstract	CO2 capture and storage (CCS) systems are technologies that can be used to reduce CO2 emissions by different industries where combustion is part of the process. A major problem of CCS system utilization in electricity generation industry is their high efficiency penalty in power plants. For different types of power plants fueled by oil, natural gas and coal, there are three main techniques that can be applied: • CO2 capture after combustion (post-combustion); • CO2 capture after concentration of flue gas by using pure oxygen in boilers and furnaces (oxy-fuel power plant); • CO2 capture before combustion (pre-combustion). More than 90% of electricity generation in Iran is based on fossil fuel power plants. Worldwide, electricity generation is responsible for 54% of GHG emissions. Thus, it is vital to reduce CO2 emission in fossil fuel-fired power plants. In this paper, it is shown that, by applying CO2 capture systems in power generation industry, very low CO2 emission intensity is possible but the energy and economic penalties are substantial. The analyses showed that for different technologies efficiency penalty could be as high as 25% and cost of electricity might increase by more than 65%. Two scenarios for Iranian electricity generation sector were investigated in this paper: installing CCS in the existing power plants with current technologies and replacing existing power plants by natural gas combined cycle plants equipped with CO2 capture system. The results revealed that the GHG intensity can be reduced from 610 to 79 gCO2eq/kWh in the first scenario and to 54 gCO2eq/kWh in the second scenario.
Sponsorship	Advanced Energy Systems Division and Solar Energy Division
Starting Page	673
Ending Page	680
Page Count	8
File Format	PDF
ISBN	9780791843949
DOI	10.1115/ES2010-90148
e-ISBN	9780791838716
Volume Number	ASME 2010 4th International Conference on Energy Sustainability, Volume 1
Conference Proceedings	ASME 2010 4th International Conference on Energy Sustainability
Language	English
Publisher Date	2010-05-17
Publisher Place	Phoenix, Arizona, USA
Access Restriction	Subscribed
Subject Keyword	Oxygen Carbon dioxide Boilers Combustion Fuels Emissions Electric power generation Fossil fuel power station Storage Furnaces Coal Energy generation Power stations Flue gases Carbon capture and storage Natural gas Combined cycle power stations
Content Type	Text
Resource Type	Article

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