Hot gas particulate filtration, IEACR/95
Author(s): Stuart Mitchell
Price: £60.00
Ref: IEACR/95 |
No. of Tables: 21 |
Hot gas particulate filtration is a key component of current combined cycle power generation systems based on the combustion and gasification of coal. Effective particulate removal protects downstream heat exchanger and gas turbine components from fouling and erosion while cleaning the gas stream to meet with environmental emission requirements. Additional benefits include the potential for improved cycle efficiency and the elimination of large and expensive atmospheric pressure flue gas treatment systems. Ceramic barrier filters are the most advanced hot gas filtration technology system with several systems close to commercialisation for use in the temperature range 250-400C. However, problems encountered during recent pilot and demonstration-scale tests, particularly at high temperatures (up to 900C), has led to concerns over the future exploitation of this technology. For this reason, alternative technologies such as fabric filters, granular beds and metallic filters continue to be investigated and developed. This report discusses the current technological and commercial status of hot gas filtration technologies for application in coal-based combined cycle power systems.
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