Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed

Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Nemati, Nasrin [verfasserIn] Rydén, Magnus [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion

Übergeordnetes Werk:	Enthalten in: Fuel processing technology - New York, NY [u.a.] : Science Direct, 1977, 222
Übergeordnetes Werk:	volume:222

DOI / URN:	10.1016/j.fuproc.2021.106978

Katalog-ID:	ELV006459862

Internformat


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520			\|a Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion.
650		4	\|a Bubbling fluidized bed
650		4	\|a Packed-fluidized bed
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650		4	\|a Chemical-Looping Combustion
700	1		\|a Rydén, Magnus \|e verfasserin \|4 aut
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912			\|a GBV_ILN_602
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912			\|a GBV_ILN_2001
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912			\|a GBV_ILN_2009
912			\|a GBV_ILN_2010
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
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912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
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912			\|a GBV_ILN_4046
912			\|a GBV_ILN_4112
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912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4249
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4306
912			\|a GBV_ILN_4307
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
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912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
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936	b	k	\|a 58.21 \|j Brennstoffe \|j Kraftstoffe \|j Explosivstoffe
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publishDate	2021
allfields	10.1016/j.fuproc.2021.106978 doi (DE-627)ELV006459862 (ELSEVIER)S0378-3820(21)00256-3 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Nemati, Nasrin verfasserin aut Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion. Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion Rydén, Magnus verfasserin aut Enthalten in Fuel processing technology New York, NY [u.a.] : Science Direct, 1977 222 Online-Ressource (DE-627)300898681 (DE-600)1483666-X (DE-576)09618860X nnns volume:222 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 222
spelling	10.1016/j.fuproc.2021.106978 doi (DE-627)ELV006459862 (ELSEVIER)S0378-3820(21)00256-3 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Nemati, Nasrin verfasserin aut Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion. Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion Rydén, Magnus verfasserin aut Enthalten in Fuel processing technology New York, NY [u.a.] : Science Direct, 1977 222 Online-Ressource (DE-627)300898681 (DE-600)1483666-X (DE-576)09618860X nnns volume:222 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 222
allfields_unstemmed	10.1016/j.fuproc.2021.106978 doi (DE-627)ELV006459862 (ELSEVIER)S0378-3820(21)00256-3 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Nemati, Nasrin verfasserin aut Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion. Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion Rydén, Magnus verfasserin aut Enthalten in Fuel processing technology New York, NY [u.a.] : Science Direct, 1977 222 Online-Ressource (DE-627)300898681 (DE-600)1483666-X (DE-576)09618860X nnns volume:222 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 222
allfieldsGer	10.1016/j.fuproc.2021.106978 doi (DE-627)ELV006459862 (ELSEVIER)S0378-3820(21)00256-3 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Nemati, Nasrin verfasserin aut Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion. Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion Rydén, Magnus verfasserin aut Enthalten in Fuel processing technology New York, NY [u.a.] : Science Direct, 1977 222 Online-Ressource (DE-627)300898681 (DE-600)1483666-X (DE-576)09618860X nnns volume:222 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 222
allfieldsSound	10.1016/j.fuproc.2021.106978 doi (DE-627)ELV006459862 (ELSEVIER)S0378-3820(21)00256-3 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Nemati, Nasrin verfasserin aut Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion. Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion Rydén, Magnus verfasserin aut Enthalten in Fuel processing technology New York, NY [u.a.] : Science Direct, 1977 222 Online-Ressource (DE-627)300898681 (DE-600)1483666-X (DE-576)09618860X nnns volume:222 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 222
language	English
source	Enthalten in Fuel processing technology 222 volume:222
sourceStr	Enthalten in Fuel processing technology 222 volume:222
format_phy_str_mv	Article
bklname	Brennstoffe Kraftstoffe Explosivstoffe
institution	findex.gbv.de
topic_facet	Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion
dewey-raw	660
isfreeaccess_bool	false
container_title	Fuel processing technology
authorswithroles_txt_mv	Nemati, Nasrin @@aut@@ Rydén, Magnus @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	300898681
dewey-sort	3660
id	ELV006459862
language_de	englisch
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author	Nemati, Nasrin
spellingShingle	Nemati, Nasrin ddc 660 bkl 58.21 misc Bubbling fluidized bed misc Packed-fluidized bed misc Confined fluidization misc Ilmenite misc Oxygen carrier misc Chemical-Looping Combustion Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed
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topic_title	660 DE-600 58.21 bkl Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed Bubbling fluidized bed Packed-fluidized bed Confined fluidization Ilmenite Oxygen carrier Chemical-Looping Combustion
topic	ddc 660 bkl 58.21 misc Bubbling fluidized bed misc Packed-fluidized bed misc Confined fluidization misc Ilmenite misc Oxygen carrier misc Chemical-Looping Combustion
topic_unstemmed	ddc 660 bkl 58.21 misc Bubbling fluidized bed misc Packed-fluidized bed misc Confined fluidization misc Ilmenite misc Oxygen carrier misc Chemical-Looping Combustion
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title	Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed
ctrlnum	(DE-627)ELV006459862 (ELSEVIER)S0378-3820(21)00256-3
title_full	Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed
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title_sort	chemical-looping combustion in packed-fluidized beds: experiments with random packings in bubbling bed
title_auth	Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed
abstract	Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion.
abstractGer	Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion.
abstract_unstemmed	Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. The ASB packing has low void factor (0.43) and provided mixed results with respect to fuel conversion.
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title_short	Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed
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doi_str	10.1016/j.fuproc.2021.106978
up_date	2024-07-06T21:27:05.961Z
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV006459862</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230524124527.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230505s2021 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.fuproc.2021.106978</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV006459862</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S0378-3820(21)00256-3</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">660</subfield><subfield code="q">DE-600</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">58.21</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Nemati, Nasrin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2021</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Chemical-looping combustion (CLC) in packed-fluidized bed reactor was investigated. Experiments were carried out in a cylindrical laboratory-scale bubbling fluidized-bed reactor with an inner diameter of 78 mm and a hight of 1.27 m. Ilmenite concentrate particles in the size range 90–212 μm was used as oxygen carrying fluidizing solid. Two different types of random packings were used: aluminum silicate balls (ASB) with a diameter of 12.7 mm and bulk density of 1439 kg/m3 and 25 mm stainless steel thread saddles (RMSR) with bulk density of 204 kg/m3. The superficial gas velocity was 0.3 m/s. The fuels were CO and CH4. The bed temperature was 840 °C for CO and 940 °C for CH4. The height of the packed bed was kept constant at 1 m. The fluidized oxygen carrier bed height was varied from 2 cm to 40 cm. Results showed that fuel conversion in packed-fluidized beds is highly dependent on oxygen carrier bed height and the nature of the packing. Packed-fluidized beds with RMSR packing resulted in a significant improvement in fuel conversion, compared to a bubbling bed with no packing. With 30–40 cm bed height, CO conversion was ≈99.5% with RMSR packing and 91–96% without packing. The corresponding numbers for CH4 were ≈84% and ≈78%. Further, the RMSR packing has very high void factor (0.96). Thus, it should have limited effects on particle inventory, pressure drop and throughput. The most likely mechanism for improved fuel conversion is improved gas-solid mass transfer due to be reduced bubble size. 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Chemical-looping combustion in packed-fluidized beds: Experiments with random packings in bubbling bed

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