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Effects of Pyrolysi...
Effects of Pyrolysis Conditions and Ash Formation on Gasification Rates of Biomass Char
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- Strandberg, Anna (författare)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik,Umeå University, Sweden,Umeå University, Department of Applied Physics and Electronics, Thermochemical Energy Conversion Laboratory
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- Holmgren, Per (författare)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik,Umeå University, Sweden,Umeå University, Department of Applied Physics and Electronics, Thermochemical Energy Conversion Laboratory
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- Wagner, David R. (författare)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik,Umeå University, Sweden,Umeå University, Department of Applied Physics and Electronics, Thermochemical Energy Conversion Laboratory
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- Molinder, Roger (författare)
- RISE,ETC Energy Technology Center,RISE Energy Technology Center
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- Wiinikka, Henrik (författare)
- RISE,ETC Energy Technology Center,RISE Energy Technology Center
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- Umeki, Kentaro (författare)
- Luleå tekniska universitet,Energivetenskap
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- Broström, Markus (författare)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik,Umeå University, Sweden,Umeå University, Department of Applied Physics and Electronics, Thermochemical Energy Conversion Laboratory
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(creator_code:org_t)
- 2017-05-25
- 2017
- Engelska.
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Ingår i: Energy & Fuels. - : American Chemical Society (ACS). - 0887-0624 .- 1520-5029. ; 31:6, s. 6507-6514
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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visa färre...
Abstract
Ämnesord
Stäng
- Pyrolysis conditions and the presence of ash-forming elements significantly influence char properties and its oxidation or gasification reactivity. In this study, intrinsic gasification rates of char from high heating rate pyrolysis were analyzed with isothermal thermogravimetry. The char particles were prepared from two biomasses at three size ranges and at two temperatures. Reactivity dependence on original particle size was found only for small wood particles that had higher intrinsic char gasification rates. Pyrolysis temperature had no significant effect on char reactivity within the range tested. Observations of ash formation highlighted that reactivity was influenced by the presence of ash-forming elements, not only at the active char sites but also through prohibition of contact between char and gasification agent by ash layer formation with properties highly depending on ash composition.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Pyrolysis
- Thermogravimetric analysis
- Ash composition
- Ash-forming elements
- Char gasification
- Char reactivity
- Gasification reactivity
- High heating rates
- Isothermal thermogravimetry
- Pyrolysis temperature
- Gasification
- Energiteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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