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Modeling of alkali ...
Modeling of alkali metal release during biomass pyrolysis
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- Hesameddin, Fatehi (författare)
- Lund University,Lunds universitet,Strömningsteknik,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Fluid Mechanics,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Li, Z. S. (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Bai, X. S. (författare)
- Lund University,Lunds universitet,Strömningsteknik,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Fluid Mechanics,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Aldén, M. (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Elsevier BV, 2017
- 2017
- Engelska 9 s.
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Ingår i: Proceedings of the Combustion Institute. - : Elsevier BV. - 1540-7489. ; 36:2, s. 2243-2251
- Relaterad länk:
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- The release of alkali metals (Na and K) during biomass pyrolysis was numerically and experimentally investigated using Laser-Induced Breakdown Spectroscopy technique that could extend the measurements of alkali metal concentration to the sooty pyrolysis stage. Two distinct peaks of metal concentrations were observed at the pyrolysis stage and at the gasification stage. Since during the pyrolysis stage a large temperature gradient exists inside the particle numerical simulations were performed to elucidate the experimental measurements and extract the kinetic data. For Na and K release the activation energies were in the range of 218 to 248 kJ/mole and 168 and 198 kJ/mole respectively. Equilibrium calculations were performed to identify the stable Na and K compounds and their phases during the pyrolysis stage of the particle.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Alkali metal release
- Biomass
- In situ measurement
- LIBS
- Pyrolysis
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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