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Comparison of high ...
Comparison of high temperature chars of wheat straw and rice husk with respect to chemistry, morphology and reactivity
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- Trubetskaya, Anna (författare)
- Department of Chemical and Biochemical Engineering, Denmark Technical University, Søltofts Plads Bygning 229, Kgs. Lyngby 2800, Denmark
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- Jensen, Peter Arendt (författare)
- Department of Chemical and Biochemical Engineering, Denmark Technical University, Søltofts Plads Bygning 229, Kgs. Lyngby 2800, Denmark
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- Jensen, Anker Degn (författare)
- Department of Chemical and Biochemical Engineering, Denmark Technical University, Søltofts Plads Bygning 229, Kgs. Lyngby 2800, Denmark
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- Stiebel, Markus (författare)
- Department of Mechanical Engineering, Institute for Energy Systems, Munich University of Technology, Boltzmannstrasse 15, Garching, Germany
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- Spliethoff, Hartmuth (författare)
- Department of Mechanical Engineering, Institute for Energy Systems, Munich University of Technology, Boltzmannstrasse 15, Garching, Germany
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- Glarborg, Peter (författare)
- Department of Chemical and Biochemical Engineering, Denmark Technical University, Søltofts Plads Bygning 229, Kgs. Lyngby 2800, Denmark
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- Larsen, Flemming Hoffmann (författare)
- Department of Food Science, Spectroscopy and Chemometrics, University of Copenhagen, Rolighedsvej 26, 1958 Copenhagen, Denmark
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Department of Chemical and Biochemical Engineering, Denmark Technical University, Søltofts Plads Bygning 229, Kgs Lyngby 2800, Denmark Department of Mechanical Engineering, Institute for Energy Systems, Munich University of Technology, Boltzmannstrasse 15, Garching, Germany (creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: Biomass and Bioenergy. - : Elsevier BV. - 0961-9534 .- 1873-2909. ; 86, s. 76-87
- Relaterad länk:
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https://ltu.diva-por... (primary) (Raw object)
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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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Abstract
Ämnesord
Stäng
- Fast pyrolysis of wheat straw and rice husk was carried out in an entrained flow reactor at high-temperatures (1000–1500) °C. The collected char was analyzed using X-ray diffractometry, N2-adsorption, scanning electron microscopy, particle size analysis with CAMSIZER XT, 29Si and 13C solid-state nuclear magnetic resonance spectroscopy and thermogravimetric analysis to investigate the effect of inorganic matter on the char morphology and oxygen reactivity. The silicon compounds were dispersed throughout the turbostratic structure of rice husk char in an amorphous phase with a low melting temperature (≈730 °C), which led to the formation of a glassy char shell, resulting in a preserved particle size and shape of chars. The high alkali content in the wheat straw resulted in higher char reactivity, whereas the lower silicon content caused variations in the char shape from cylindrical to near-spherical char particles. The reactivities of pinewood and rice husk chars were similar with respect to oxidation, indicating less influence of silicon oxides on the char reactivity.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
Nyckelord
- Fast pyrolysis
- Si-29 solid-state NMR
- Entrained flow reactor
- Oxygen reactivity
- Si bearing compounds
- Energiteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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