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Modeling potassium release in biomass pyrolysis
- Yu, C (author)
-
- Zhang, Wennan (author)
- Mittuniversitetet,Institutionen för teknik, fysik och matematik (-2008)
- (creator_code:org_t)
- Oxford : Blackwell science, 2008
- 2008
- English.
- In: Progress in thermochemical biomass conversion. - Oxford : Blackwell science. - 0632055332 - 9780470694954 - 9780632055333 ; , s. 1107-1115
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Alkali compound emission during biomass thermochemical conversion gives rise to a number of problems such as agglomeration, slag, fouling and metal corrosion in the conversion process system. Understanding the behaviour of alkali emission from biomass fuels is important to solve these problems. In this work, a study focused on the potassium compound release in biomass pyrolysis is carried out. The transformation of the element, K, is interpreted based on literature and the present study. A mathematic model of the potassium compounds emitting from biomass during pyrolysis is proposed. The different existing forms of potassium in biomass, the chemical equilibrium of the compounds at the pyrolytic environment and the potassium compound release due to vaporization at high temperature are taken into account in the model. The result of the mathematic model provides an understanding of the alkali compound release in biomass pyrolysis and the effects of the pyrolytic temperature, the fuel composition and residence time on the release process.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Biomass
- Pyrolysis
- Modeling
- Ash
- Potassium
- Electric power engineering
- Elkraftteknik
Publication and Content Type
- ref (subject category)
- kon (subject category)
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