Environmental assessment of fossil-based electricity scenarios: Implications of carbon capture and storage.

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Environmental assessment of fossil-based electricity scenarios: Implications of carbon capture and storage.

Bhawna Singh,Anders Hammer Strømman,Edgar G. Hertwich-2011-01-01

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TL;DRAbstract

Carbon capture and storage (CCS) is the most viable option to reduce CO2 emissions from power plants while continuing the use of fossil fuels required to satisfy the increasing energy demand. However, CCS is an energy intensive process, and demands additional energy, chemicals and infrastructure. The capture processes may also have certain direct emissions to air (NH3, aldehydes, solvent vapor etc.) and generate solid wastes from degradation byproducts. A trade-off in environmental impacts is expected, and with the large-scale application of CCS needed to make any significant reduction in CO emissions, these potential trade-offs can become enormous in magnitude. Therefore a systematic process of evaluation of complete life cycle for all available CCS options and large-scale CCS deployment scenarios is needed. Life Cycle Assessment (LCA) methodology is wellestablished and best suited for such analysis. Methodology of hybrid life cycle assessment is used in this work and methodological d

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Carbon capture and storage (CCS) is the most viable option to reduce CO2 emissions from power plants while continuing the use of fossil fuels required to satisfy the increasing energy demand. However, CCS is an energy intensive process, and demands additional energy, chemicals and infrastructure. The capture processes may also have certain direct emissions to air (NH3, aldehydes, solvent vapor etc.) and generate solid wastes from degradation byproducts. A trade-off in environmental impacts is expected, and with the large-scale application of CCS needed to make any significant reduction in CO emissions, these potential trade-offs can become enormous in magnitude. Therefore a systematic process of evaluation of complete life cycle for all available CCS options and large-scale CCS deployment scenarios is needed. Life Cycle Assessment (LCA) methodology is wellestablished and best suited for such analysis. Methodology of hybrid life cycle assessment is used in this work and methodological d

Keywords

Life-cycle assessmentEnvironmental scienceGreenhouse gasFossil fuelEnvironmental economicsCarbon capture and storage (timeline)Environmental impact assessmentProcess (computing)

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