International perspectives and preliminary results from studies of CO{sub 2} sequestration
Book
·
OSTI ID:182857
- International Energy Agency Greenhouse Gas R and D Programme, Cheltenham (United Kingdom)
In response to increasing atmospheric CO{sub 2} concentrations, the IEA Greenhouse Gas R and D Program is carrying out an assessment of CO{sub 2} abatement technologies with particular reference to emissions from fossil fuel power generation plants. The program has examined, on a consistent basis, the options available for capturing and disposing of the CO{sub 2} product from a range of fossil fuel-fired power generation plant types, each with an output of 500MW(e). CO{sub 2} capture technologies being considered include liquid absorption, solid adsorption, cryogenics and membrane separation; CO{sub 2} disposal options being considered are disposal in the oceans, in aquifers, in depleted hydrocarbon reservoirs, storage as a solid, and the utilization of CO{sub 2} for enhanced oil recovery and manufacture of chemicals. In the assessment studies, emphasis has been placed on a requirement to determine the impact of the various technologies on the cost of electricity generation. This has been achieved by analyzing the costs of specific schemes, on a common basis, and comparative results are presented for various CO{sub 2} abatement options. The results indicate that by allying the most favorable technologies for CO{sub 2} capture and disposal to efficient power generation technology, present-day electricity generation costs would be increased by around 50%. Analysis shows that the cost of CO{sub 2} capture dominates these added costs unless CO{sub 2} transport distances are large, but disposal is the area where further R and D is urgently required to provide environmental impact data.
- OSTI ID:
- 182857
- Report Number(s):
- CONF-940426--; ISBN 0-923204-11-3
- Country of Publication:
- United States
- Language:
- English
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