Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis

Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225,...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xue, Shengze [verfasserIn] Sun, Qiang Shi, Qingmin Li, Delu

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Underground coal gasification Thermophysical property Oxidized coal Pyrolyzed coal

Anmerkung:	© Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Übergeordnetes Werk:	Enthalten in: Journal of thermal analysis and calorimetry - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969, 147(2022), 24 vom: 29. Sept., Seite 14797-14810
Übergeordnetes Werk:	volume:147 ; year:2022 ; number:24 ; day:29 ; month:09 ; pages:14797-14810

Links:	Volltext

DOI / URN:	10.1007/s10973-022-11636-6

Katalog-ID:	SPR048830623

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520			\|a Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG.
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allfields	10.1007/s10973-022-11636-6 doi (DE-627)SPR048830623 (SPR)s10973-022-11636-6-e DE-627 ger DE-627 rakwb eng Xue, Shengze verfasserin aut Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. Underground coal gasification (dpeaa)DE-He213 Thermophysical property (dpeaa)DE-He213 Oxidized coal (dpeaa)DE-He213 Pyrolyzed coal (dpeaa)DE-He213 Sun, Qiang aut Shi, Qingmin aut Li, Delu aut Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 147(2022), 24 vom: 29. Sept., Seite 14797-14810 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810 https://dx.doi.org/10.1007/s10973-022-11636-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 147 2022 24 29 09 14797-14810
spelling	10.1007/s10973-022-11636-6 doi (DE-627)SPR048830623 (SPR)s10973-022-11636-6-e DE-627 ger DE-627 rakwb eng Xue, Shengze verfasserin aut Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. Underground coal gasification (dpeaa)DE-He213 Thermophysical property (dpeaa)DE-He213 Oxidized coal (dpeaa)DE-He213 Pyrolyzed coal (dpeaa)DE-He213 Sun, Qiang aut Shi, Qingmin aut Li, Delu aut Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 147(2022), 24 vom: 29. Sept., Seite 14797-14810 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810 https://dx.doi.org/10.1007/s10973-022-11636-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 147 2022 24 29 09 14797-14810
allfields_unstemmed	10.1007/s10973-022-11636-6 doi (DE-627)SPR048830623 (SPR)s10973-022-11636-6-e DE-627 ger DE-627 rakwb eng Xue, Shengze verfasserin aut Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. Underground coal gasification (dpeaa)DE-He213 Thermophysical property (dpeaa)DE-He213 Oxidized coal (dpeaa)DE-He213 Pyrolyzed coal (dpeaa)DE-He213 Sun, Qiang aut Shi, Qingmin aut Li, Delu aut Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 147(2022), 24 vom: 29. Sept., Seite 14797-14810 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810 https://dx.doi.org/10.1007/s10973-022-11636-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 147 2022 24 29 09 14797-14810
allfieldsGer	10.1007/s10973-022-11636-6 doi (DE-627)SPR048830623 (SPR)s10973-022-11636-6-e DE-627 ger DE-627 rakwb eng Xue, Shengze verfasserin aut Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. Underground coal gasification (dpeaa)DE-He213 Thermophysical property (dpeaa)DE-He213 Oxidized coal (dpeaa)DE-He213 Pyrolyzed coal (dpeaa)DE-He213 Sun, Qiang aut Shi, Qingmin aut Li, Delu aut Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 147(2022), 24 vom: 29. Sept., Seite 14797-14810 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810 https://dx.doi.org/10.1007/s10973-022-11636-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 147 2022 24 29 09 14797-14810
allfieldsSound	10.1007/s10973-022-11636-6 doi (DE-627)SPR048830623 (SPR)s10973-022-11636-6-e DE-627 ger DE-627 rakwb eng Xue, Shengze verfasserin aut Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. Underground coal gasification (dpeaa)DE-He213 Thermophysical property (dpeaa)DE-He213 Oxidized coal (dpeaa)DE-He213 Pyrolyzed coal (dpeaa)DE-He213 Sun, Qiang aut Shi, Qingmin aut Li, Delu aut Enthalten in Journal of thermal analysis and calorimetry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969 147(2022), 24 vom: 29. Sept., Seite 14797-14810 (DE-627)315295422 (DE-600)2017304-0 1572-8943 nnns volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810 https://dx.doi.org/10.1007/s10973-022-11636-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 147 2022 24 29 09 14797-14810
language	English
source	Enthalten in Journal of thermal analysis and calorimetry 147(2022), 24 vom: 29. Sept., Seite 14797-14810 volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810
sourceStr	Enthalten in Journal of thermal analysis and calorimetry 147(2022), 24 vom: 29. Sept., Seite 14797-14810 volume:147 year:2022 number:24 day:29 month:09 pages:14797-14810
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Underground coal gasification Thermophysical property Oxidized coal Pyrolyzed coal
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container_title	Journal of thermal analysis and calorimetry
authorswithroles_txt_mv	Xue, Shengze @@aut@@ Sun, Qiang @@aut@@ Shi, Qingmin @@aut@@ Li, Delu @@aut@@
publishDateDaySort_date	2022-09-29T00:00:00Z
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author	Xue, Shengze
spellingShingle	Xue, Shengze misc Underground coal gasification misc Thermophysical property misc Oxidized coal misc Pyrolyzed coal Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis
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topic_title	Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis Underground coal gasification (dpeaa)DE-He213 Thermophysical property (dpeaa)DE-He213 Oxidized coal (dpeaa)DE-He213 Pyrolyzed coal (dpeaa)DE-He213
topic	misc Underground coal gasification misc Thermophysical property misc Oxidized coal misc Pyrolyzed coal
topic_unstemmed	misc Underground coal gasification misc Thermophysical property misc Oxidized coal misc Pyrolyzed coal
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title	Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis
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title_full	Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis
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journal	Journal of thermal analysis and calorimetry
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author_browse	Xue, Shengze Sun, Qiang Shi, Qingmin Li, Delu
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doi_str_mv	10.1007/s10973-022-11636-6
title_sort	experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis
title_auth	Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis
abstract	Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstractGer	Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstract_unstemmed	Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG. © Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
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title_short	Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis
url	https://dx.doi.org/10.1007/s10973-022-11636-6
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author2	Sun, Qiang Shi, Qingmin Li, Delu
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up_date	2024-07-03T21:44:44.307Z
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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">SPR048830623</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230509122126.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">221208s2022 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s10973-022-11636-6</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR048830623</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s10973-022-11636-6-e</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">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Xue, Shengze</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</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="500" ind1=" " ind2=" "><subfield code="a">© Akadémiai Kiadó, Budapest, Hungary 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract It is necessary to study the thermophysical properties and heat transfer mechanism of coal for underground coal gasification (UCG). The long-flame coal from Ningtiaota coal mine was pyrolyzed and oxidized at different temperatures (200, 250, 300, 350 °C in nitrogen, and 100, 150, 200, 225, 250, 275, 300, 325 °C in air), respectively. The influence of pre-treatment temperature and real-time temperature on thermal diffusivity, specific heat capacity, and thermal conductivity of coal was studied by laser-flash method. The results show that there are strong correlations between temperatures and thermophysical properties. During the real-time testing, with the rise of real-time temperature, the thermal diffusivity of different pre-treated coal decreases and the change rate gradually decreases. Meanwhile, specific heat capacity and thermal conductivity increase, and obvious stage characteristics are shown around 210–240 °C. Pyrolysis and oxidation can significantly degrade the thermal diffusivity and thermal conductivity of coal samples, and the degradation degree of oxidized coal is higher. The specific heat capacities of pyrolyzed and oxidized coal are normally higher than raw coal, and the effect of oxidation on the specific heat capacity increases with real-time temperature. The results can provide an important reference for exploring coal’s thermophysical properties change mechanism during the process of UCG.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Underground coal gasification</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Thermophysical property</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Oxidized coal</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Pyrolyzed coal</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sun, Qiang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Shi, Qingmin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Li, Delu</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of thermal analysis and calorimetry</subfield><subfield code="d">Dordrecht [u.a.] : Springer Science + Business Media B.V., 1969</subfield><subfield code="g">147(2022), 24 vom: 29. 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Experimental study on the thermophysical property of long-flame coal after oxidation and pyrolysis

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