Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example
Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_...
Ausführliche Beschreibung
Autor*in: |
Fu, Deliang [verfasserIn] Xu, Guosheng [verfasserIn] Ma, Li [verfasserIn] Yang, Fu [verfasserIn] He, Dan [verfasserIn] Duan, Zhonghui [verfasserIn] Ma, Yu [verfasserIn] |
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Sprache: |
Englisch |
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2020 |
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Übergeordnetes Werk: |
Enthalten in: International journal of coal science & technology - Heidelberg : Springer, 2014, 7(2020), 3 vom: 23. Apr., Seite 611-622 |
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Übergeordnetes Werk: |
volume:7 ; year:2020 ; number:3 ; day:23 ; month:04 ; pages:611-622 |
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DOI / URN: |
10.1007/s40789-020-00318-z |
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SPR041211324 |
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520 | |a Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. | ||
650 | 4 | |a Jurassic coal |7 (dpeaa)DE-He213 | |
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650 | 4 | |a Gas generation |7 (dpeaa)DE-He213 | |
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650 | 4 | |a Stage evolution |7 (dpeaa)DE-He213 | |
700 | 1 | |a Xu, Guosheng |e verfasserin |4 aut | |
700 | 1 | |a Ma, Li |e verfasserin |4 aut | |
700 | 1 | |a Yang, Fu |e verfasserin |4 aut | |
700 | 1 | |a He, Dan |e verfasserin |4 aut | |
700 | 1 | |a Duan, Zhonghui |e verfasserin |4 aut | |
700 | 1 | |a Ma, Yu |e verfasserin |4 aut | |
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10.1007/s40789-020-00318-z doi (DE-627)SPR041211324 (SPR)s40789-020-00318-z-e DE-627 ger DE-627 rakwb eng 550 333.7 ASE Fu, Deliang verfasserin aut Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. Jurassic coal (dpeaa)DE-He213 Pyrolysis (dpeaa)DE-He213 Gas generation (dpeaa)DE-He213 C (dpeaa)DE-He213 Stage evolution (dpeaa)DE-He213 Xu, Guosheng verfasserin aut Ma, Li verfasserin aut Yang, Fu verfasserin aut He, Dan verfasserin aut Duan, Zhonghui verfasserin aut Ma, Yu verfasserin aut Enthalten in International journal of coal science & technology Heidelberg : Springer, 2014 7(2020), 3 vom: 23. Apr., Seite 611-622 (DE-627)815914261 (DE-600)2806625-X 2198-7823 nnns volume:7 year:2020 number:3 day:23 month:04 pages:611-622 https://dx.doi.org/10.1007/s40789-020-00318-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2020 3 23 04 611-622 |
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10.1007/s40789-020-00318-z doi (DE-627)SPR041211324 (SPR)s40789-020-00318-z-e DE-627 ger DE-627 rakwb eng 550 333.7 ASE Fu, Deliang verfasserin aut Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. Jurassic coal (dpeaa)DE-He213 Pyrolysis (dpeaa)DE-He213 Gas generation (dpeaa)DE-He213 C (dpeaa)DE-He213 Stage evolution (dpeaa)DE-He213 Xu, Guosheng verfasserin aut Ma, Li verfasserin aut Yang, Fu verfasserin aut He, Dan verfasserin aut Duan, Zhonghui verfasserin aut Ma, Yu verfasserin aut Enthalten in International journal of coal science & technology Heidelberg : Springer, 2014 7(2020), 3 vom: 23. Apr., Seite 611-622 (DE-627)815914261 (DE-600)2806625-X 2198-7823 nnns volume:7 year:2020 number:3 day:23 month:04 pages:611-622 https://dx.doi.org/10.1007/s40789-020-00318-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2020 3 23 04 611-622 |
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10.1007/s40789-020-00318-z doi (DE-627)SPR041211324 (SPR)s40789-020-00318-z-e DE-627 ger DE-627 rakwb eng 550 333.7 ASE Fu, Deliang verfasserin aut Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. Jurassic coal (dpeaa)DE-He213 Pyrolysis (dpeaa)DE-He213 Gas generation (dpeaa)DE-He213 C (dpeaa)DE-He213 Stage evolution (dpeaa)DE-He213 Xu, Guosheng verfasserin aut Ma, Li verfasserin aut Yang, Fu verfasserin aut He, Dan verfasserin aut Duan, Zhonghui verfasserin aut Ma, Yu verfasserin aut Enthalten in International journal of coal science & technology Heidelberg : Springer, 2014 7(2020), 3 vom: 23. Apr., Seite 611-622 (DE-627)815914261 (DE-600)2806625-X 2198-7823 nnns volume:7 year:2020 number:3 day:23 month:04 pages:611-622 https://dx.doi.org/10.1007/s40789-020-00318-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2020 3 23 04 611-622 |
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10.1007/s40789-020-00318-z doi (DE-627)SPR041211324 (SPR)s40789-020-00318-z-e DE-627 ger DE-627 rakwb eng 550 333.7 ASE Fu, Deliang verfasserin aut Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. Jurassic coal (dpeaa)DE-He213 Pyrolysis (dpeaa)DE-He213 Gas generation (dpeaa)DE-He213 C (dpeaa)DE-He213 Stage evolution (dpeaa)DE-He213 Xu, Guosheng verfasserin aut Ma, Li verfasserin aut Yang, Fu verfasserin aut He, Dan verfasserin aut Duan, Zhonghui verfasserin aut Ma, Yu verfasserin aut Enthalten in International journal of coal science & technology Heidelberg : Springer, 2014 7(2020), 3 vom: 23. Apr., Seite 611-622 (DE-627)815914261 (DE-600)2806625-X 2198-7823 nnns volume:7 year:2020 number:3 day:23 month:04 pages:611-622 https://dx.doi.org/10.1007/s40789-020-00318-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2020 3 23 04 611-622 |
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10.1007/s40789-020-00318-z doi (DE-627)SPR041211324 (SPR)s40789-020-00318-z-e DE-627 ger DE-627 rakwb eng 550 333.7 ASE Fu, Deliang verfasserin aut Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. Jurassic coal (dpeaa)DE-He213 Pyrolysis (dpeaa)DE-He213 Gas generation (dpeaa)DE-He213 C (dpeaa)DE-He213 Stage evolution (dpeaa)DE-He213 Xu, Guosheng verfasserin aut Ma, Li verfasserin aut Yang, Fu verfasserin aut He, Dan verfasserin aut Duan, Zhonghui verfasserin aut Ma, Yu verfasserin aut Enthalten in International journal of coal science & technology Heidelberg : Springer, 2014 7(2020), 3 vom: 23. Apr., Seite 611-622 (DE-627)815914261 (DE-600)2806625-X 2198-7823 nnns volume:7 year:2020 number:3 day:23 month:04 pages:611-622 https://dx.doi.org/10.1007/s40789-020-00318-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2020 3 23 04 611-622 |
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Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example |
abstract |
Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. |
abstractGer |
Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. |
abstract_unstemmed |
Abstract The gas generation features of coals at different maturities were studied by the anhydrous pyrolysis of Jurassic coal from the Minhe Basin in sealed gold tubes at 50 MPa. The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. The reaction between different sources of coke and water may be the reason for the complicated stage change in %$\delta^{{{13}}} {\text{C}}_{{{\text{CO}}_{{2}} }}%$ when the temperature was higher than 455 °C. With increasing pyrolysis temperature, δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) has four evolution stages corresponding to the early stage of breaking bonds between carbon and hetero atoms, the later stage of breaking bonds between carbon and hetero atoms, the cracking of $ C_{6+} $ and coal demethylation, and the cracking of $ C_{2–5} $. The δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ has three evolution stages corresponding to the breaking bonds between carbon and hetero atoms, demethylation and cracking of $ C_{6+} $, and cracking of $ C_{2–5} $. |
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title_short |
Gas generation from coal: taking Jurassic coal in the Minhe Basin as an example |
url |
https://dx.doi.org/10.1007/s40789-020-00318-z |
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Xu, Guosheng Ma, Li Yang, Fu He, Dan Duan, Zhonghui Ma, Yu |
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Xu, Guosheng Ma, Li Yang, Fu He, Dan Duan, Zhonghui Ma, Yu |
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10.1007/s40789-020-00318-z |
up_date |
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The gas component yields ($ C_{1} $, $ C_{2} $, $ C_{3} $, i-$ C_{4} $, n-$ C_{4} $, i-$ C_{5} $, n-$ C_{5} $, and $ CO_{2} $); the δ13C of $ C_{1} $, $ C_{2} $, $ C_{3} $, and $ CO_{2} $; and the mass of the liquid hydrocarbons ($ C_{6+} $) were measured. On the basis of these data, the stage changes of δ13$ C_{1} $, δ13$ C_{2} $, δ13$ C_{3} $, and δ13$ CO_{2} $ were calculated. The diagrams of δ13$ C_{1} $–δ13$ C_{2} $ vs ln ($ C_{1} $/$ C_{2} $) and δ13$ C_{2} $–δ13$ C_{1} $ vs δ13$ C_{3} $–δ13$ C_{2} $ were used to evaluate the gas generation features of the coal maturity stages. At the high maturity evolution stage (T > 527.6 °C at 2 °C/h), the stage change of δ13$ C_{1} $ and the $ CH_{4} $ yield are much higher than that of $ CO_{2} $, suggesting that high maturity coal could still generate methane. When T < 455 °C, $ CO_{2} $ is generated by breaking bonds between carbons and heteroatoms. 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