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Assessment of Life Cycle Greenhouse Gas Emissions from Coal Fired Power Plants in India

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Abstract:

More than two third share of electricity come from coal fired power plants in India. Coal fired power plants are the largest source of anthropogenic CO2 emissions per unit of electricity generation among all fossil fuel based power plants. There has been climate change and global warming globally due to increasing anthropogenic emission of greenhouse gas (GHG) into the atmosphere. This paper examines life cycle GHG emission such as CH4, CO2 and N2O of a National Thermal Power Corporation (NTPC) Limited power plant using life cycle approach. The various stages involved in the assessment of life cycle GHG emissions in the present study include coal mining, transportation of coal to the power plant and coal combustion for electricity generation. The results show that direct CO2 emission from coal combustion is about 890 g CO2-e/kWh, whereas life cycle GHG emissions amount to 929.1 g CO2-e/kWh. Indirect GHG emissions add up to 4.2% of total emissions. Coal mine methane leakage into atmosphere in India is low since more than 90% of the coal mining is surface mining.

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Periodical:

Applied Mechanics and Materials (Volume 704)

Pages:

487-490

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.704.487

Citation:

Cite this paper

Online since:

December 2014

Authors:

Arun Nagarkatti, Ajit Kumar Kolar

Keywords:

Greenhouse Gas Emissions, Indian Coal, Indian Coal Power Plants, Life Cycle Analysis

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