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Effects of flue gas recycle on oxy-coal power generation system
Royal Inst Technol .
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling. (MERO)ORCID-id: 0000-0003-0300-0762
(MERO)ORCID-id: 0000-0002-6279-4446
2012 (engelsk)Inngår i: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 97, nr SI, s. 255-263Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This paper examined and assessed various configuration options about emission removal including particles. SOx and NOx in an oxy-coal combustion system for CO2 capture. A performance analysis was conducted in order to understand the impacts of those options concerning process design, process operation and system efficiency. Results show that different flue gas recycle options have clear effects on the emissivity and absorptivity of radiating gases in boiler due to the change of flue gas compositions. The maximum difference amongst various options can be up to 15% and 20% for emissivity and absorptivity respectively. As a result, the heat transfer by radiation can vary about 20%. The recycle options also have impacts on the design of air heater and selective-catalytic-reduction (SCR) preheater. This is due to that the largely varied operating temperatures in different options may result in different required areas of heat exchangers. In addition, the dew point of flue gas and the boiler efficiency are affected by the configurations of flue gas recycle as well.

sted, utgiver, år, opplag, sider
2012. Vol. 97, nr SI, s. 255-263
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-16529DOI: 10.1016/j.apenergy.2011.12.096ISI: 000307196000030Scopus ID: 2-s2.0-84862777767OAI: oai:DiVA.org:mdh-16529DiVA, id: diva2:575928
Konferanse
3rd International Conference on Applied Energy (ICAE),Perugia, ITALY, MAY 16-18, 2011
Tilgjengelig fra: 2012-12-11 Laget: 2012-12-11 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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