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Operation of an Electrostatic Precipitator at a 30 MWth Oxyfuel Plant
Alstom Power Sweden AB.
Alstom Power Sweden AB.
Vattenfall Research and Development.
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Boenergiteknik)
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2011 (English)In: International Journal of Plasma Environmental Science and Technology, ISSN 1881-8692, Vol. 5, no 2, 141-145 p.Article in journal (Refereed) Published
Abstract [en]

The performance of a full-scale ESP was studied at the Vattenfall AB oxyfuel pilot plant in Schwarze Pumpe. The lignite-fired boiler has a 30 MWth top-mounted pulverized coal burner and was operated under conventional air combustion as well as oxyfuel combustion. The ESP was operated with varying numbers of fields in service and at different current/voltage settings. Particle number size distributions downstream the ESP were established on-line in the size range 0.015-10 m, using an electrical mobility spectrometer and an aerodynamic particle sizer. The particle size distribution at oxyfuel operation was qualitatively very similar to the results obtained for air-firing. Gravimetric measurements of total fly ash concentration showed outlet emissions below 5 mg/Nm3 when the ESP was operated with two fields in service at oxyfuel conditions.

Place, publisher, year, edition, pages
2011. Vol. 5, no 2, 141-145 p.
Keyword [en]
Electrostatic precipitator, ESP, Oxyfuel, Lignite, Fly ash, Particle size
National Category
Other Chemical Engineering
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-16562OAI: oai:DiVA.org:lnu-16562DiVA: diva2:512058
Available from: 2012-03-26 Created: 2012-01-04 Last updated: 2013-04-12Bibliographically approved

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