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Potassium, chlorine...
Potassium, chlorine, and sulfur in ash, particles, deposits, and corrosion during wood combustion in a circulating fluidized-bed boiler
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- Davidsson, Kent, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Åmand, Lars-Erik, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Leckner, Bo G, 1936 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kovacevik, Borka, 1972 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry
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- Svane, Maria, 1957 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry
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- Hagström, Magnus, 1965 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry
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- Pettersson, Jan B. C., 1962 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry
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- Pettersson, Jesper, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Asteman, Henrik, 1973 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Svensson, Jan-Erik, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johansson, Lars-Gunnar, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2006-11-18
- 2007
- English.
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In: Energy & Fuels. - : American Chemical Society (ACS). - 1520-5029 .- 0887-0624. ; 21:1, s. 71-81
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Abstract
Subject headings
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- The effect of the addition of chlorine and/or sulfur to the fuel on fly ash composition, deposit formation, and superheater corrosion has been studied during biomass combustion in a circulating fluidized-bed boiler. The chlorine (HCl (aq)) and sulfur (SO2 (g)) were added in proportions of relevance for the potassium chemistry. The composition of the bottom and the fly ashes was analyzed. Gas and particle measurements were performed downstream of the cyclone before the convection pass and the flue gas composition was recorded in the stack with a series of standard instruments and an FTIR analyzer. At the position downstream of the cyclone, a deposit probe was situated, simulating a superheater tube. Deposits on the probe and initial corrosion were examined. It is concluded that addition of sulfur and chlorine increases the formation of submicron particles leading to deposition of potassium sulfate and chloride. The results compare well with earlier work based on laboratory-scale experiments concerning effects of chlorine and sulfur on potassium chemistry.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
Keyword
- BIOMASS-FIRED BOILERS
- PILOT-SCALE
- AGGLOMERATION
- BEHAVIOR
- ALKALI
- COAL
- AEROSOLS
- NUCLEATION
- HIGH-TEMPERATURE CORROSION
- 600-DEGREES-C
- HIGH-TEMPERATURE CORROSION; BIOMASS-FIRED BOILERS; PILOT-SCALE; ALKALI; COAL; 600-DEGREES-C; AGGLOMERATION; NUCLEATION; AEROSOLS; BEHAVIOR
Publication and Content Type
- art (subject category)
- ref (subject category)
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Davidsson, Kent, ...
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Åmand, Lars-Erik ...
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Leckner, Bo G, 1 ...
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Kovacevik, Borka ...
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Svane, Maria, 19 ...
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Hagström, Magnus ...
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Pettersson, Jan ...
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Pettersson, Jesp ...
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Asteman, Henrik, ...
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Svensson, Jan-Er ...
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Johansson, Lars- ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Energy Engineeri ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Environmental En ...
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and Other Environmen ...
- Articles in the publication
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Energy & Fuels
- By the university
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Chalmers University of Technology
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University of Gothenburg