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Mitigation and Adaptation Strategies for Global Change

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01.04.2016 | Original Article

A life cycle comparison of greenhouse emissions for power generation from coal mining and underground coal gasification

verfasst von: Zeshan Hyder, Nino S. Ripepi, Michael E. Karmis

Erschienen in: Mitigation and Adaptation Strategies for Global Change | Ausgabe 4/2016

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Abstract

Underground coal gasification (UCG) is an advancing technology that is receiving considerable global attention as an economic and environmentally friendly alternative for exploitation of coal deposits. UCG has the potential to decrease greenhouse gas emissions (GHG) during the development and utilization of coal resources. In this paper, the life cycle of UCG from in situ coal gasification to utilization for electricity generation is analyzed and compared with coal extraction through conventional coal mining and utilization in power plants. Four life cycle assessment models have been developed and analyzed to compare (greenhouse gas) GHG emissions of coal mining, coal gasification and power generation through conventional pulverized coal fired power plants (PCC), supercritical coal fired (SCPC) power plants, integrated gasification combined cycle plants for coal (Coal-IGCC), and combined cycle gas turbine plants for UCG (UCG-CCGT). The analysis shows that UCG is comparable to these latest technologies and in fact, the GHG emissions from UCG are about 28 % less than the conventional PCC plant. When combined with the economic superiority, UCG has a clear advantage over competing technologies. The comparison also shows that there is considerable reduction in the GHG emissions with the development of technology and improvements in generation efficiencies.

Vorheriger Artikel How much geological detail is needed for gasifier success?

Nächster Artikel Overview and modeling of mechanical and thermomechanical impact of underground coal gasification exploitation

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Titel: A life cycle comparison of greenhouse emissions for power generation from coal mining and underground coal gasification
verfasst von: Zeshan Hyder
Nino S. Ripepi
Michael E. Karmis
Publikationsdatum: 01.04.2016
Verlag: Springer Netherlands
Erschienen in: Mitigation and Adaptation Strategies for Global Change / Ausgabe 4/2016
Print ISSN: 1381-2386
Elektronische ISSN: 1573-1596
DOI: https://doi.org/10.1007/s11027-014-9561-8

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