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Technologies for Reducing Greenhouse Gas Emissions From Fossil Fuels FREE

[+] Author Affiliations
Harry Audus, Paul Freund

CRE Group Ltd, Cheltenham, U.K.

Paper No. 98-GT-074, pp. V003T06A002; 7 pages
doi:10.1115/98-GT-074
From:
  • ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Stockholm, Sweden, June 2–5, 1998
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7864-4
  • Copyright © 1998 by ASME

abstract

In recent years, the possibility of climate change has begun to be considered seriously. Options available today can help reduce emissions at relatively little overall cost but may be able to achieve only moderate reductions. If it becomes necessary to reduce emissions further, it is likely there will be opportunities for new technologies as well as making greater use of existing ones. Bearing in mind the time required to develop and deploy new energy supply technologies on a large-scale, it is only sensible to adopt a precautionary stance. This requires better understanding of the potential of technologies not yet in widespread use and stimulation of the development and deployment of promising ones. The EEA Greenhouse Gas R&D Programme is working to improve understanding of technologies for reducing greenhouse gas emissions from fossil fuels. This is an example of effective co-operative action between different countries and industries. Membership is worldwide; through this work, members are able to learn about new technologies and share experiences. This paper reviews the work of the IEA Greenhouse Gas R&D Programme.

The established options for reducing emissions include improving energy efficiency, substitution of lower-carbon fuels for high-carbon fuels, and introduction of alternative energy sources. If deep reductions in emissions are required, discussion tends to focus on alternatives to fossil fuels even though the latter provide a very large proportion of the energy used today. To avoid disruptive changes, the world will need to be able to continue using fossil fuels but in a climate-friendly way.

Capture and storage of carbon dioxide could deliver deep reductions in emissions from fossil fuels but the technology is still in its infancy — this is the subject of on-going work by the IEA Greenhouse Gas R&D Programme. Enhancement of natural sinks, such as forests, could also help by sequestering atmospheric carbon dioxide. Use of biomass for power generation has also been examined to see how it compares as a large-scale mitigation option compared with capture and storage. Methane is another important greenhouse gas, produced by many human activities. Technology can help reduce emissions of methane; examples of some of these technologies will be described. The mechanism of Activities Implemented Jointly is potentially important for application of all of these options and the Greenhouse Gas Programme is working to improving understanding about viable options and methods of delivering successful projects.

Copyright © 1998 by ASME
This article is only available in the PDF format.

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