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Performance of iron...
Performance of iron sand as an oxygen carrier at high reduction degrees and its potential use for chemical looping gasification
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- Purnomo, Victor, 1992 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Stanicic, Ivana, 1994 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Mei, Daofeng, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Soleimani Salim, Amir H, 1985 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Mattisson, Tobias, 1970 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Rydén, Magnus, 1975 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Leion, Henrik, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Soleimanisalim, Amir H (författare)
- Chalmers University of Technology, Sweden
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(creator_code:org_t)
- Elsevier BV, 2023
- 2023
- Engelska.
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Ingår i: Fuel. - : Elsevier BV. - 0016-2361 .- 1873-7153. ; 339
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://research.cha...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Iron sand as an industrial by-product has a reasonable iron content (35 wt% Fe) and low economical cost. The reactivity of iron sand as an oxygen carrier was examined in a bubbling fluidized bed reactor using both gaseous and solid fuels at 850–975 °C. Pre-reductions of iron sand were performed prior to fuel conversion to adapt the less-oxygen-requiring environment in chemical looping gasification (CLG). Based on the investigations using CO and CH4, iron sand has an oxygen transfer capacity of around 1 wt%, which is lower than that of ilmenite. The conversion of pine forest residue char to CO and H2 was higher when using iron sand compared to ilmenite. Depending on the mass conversion degree of iron sand, the activation energy of pine forest residue char conversion using iron sand was between 187 and 234 kJ/mol, which is slightly lower than that of ilmenite. Neither agglomeration nor defluidization of an iron sand bed occurred even at high reduction degrees. These suggests that iron sand can be utilized as an oxygen carrier in CLG. Furthermore, this study presents novel findings in the crystalline phase transformation of iron sand at various degrees of oxidation, altogether with relevant thermodynamic stable phases.
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)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Nyckelord
- Chemical looping gasification
- Thermodynamics
- Iron sand
- Fluidized bed
- High reduction degree
- Oxygen carrier
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Purnomo, Victor, ...
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Stanicic, Ivana, ...
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Mei, Daofeng, 19 ...
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Soleimani Salim, ...
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Mattisson, Tobia ...
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Rydén, Magnus, 1 ...
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Leion, Henrik, 1 ...
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Soleimanisalim, ...
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