The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China

<p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i...
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Autor*in:	Y. Cao [verfasserIn] Z. Jin [verfasserIn] R. Zhu [verfasserIn] K. Liu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Übergeordnetes Werk:	In: Solid Earth - Copernicus Publications, 2011, 14(2023), Seite 1169-1179
Übergeordnetes Werk:	volume:14 ; year:2023 ; pages:1169-1179

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.5194/se-14-1169-2023

Katalog-ID:	DOAJ091042704

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520			\|a <p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p<
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allfields	10.5194/se-14-1169-2023 doi (DE-627)DOAJ091042704 (DE-599)DOAJ0548cd3c0c3247c49dfb1c15ff0db4bc DE-627 ger DE-627 rakwb eng QE1-996.5 QE640-699 Y. Cao verfasserin aut The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p< Geology Stratigraphy Y. Cao verfasserin aut Z. Jin verfasserin aut Z. Jin verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut K. Liu verfasserin aut K. Liu verfasserin aut In Solid Earth Copernicus Publications, 2011 14(2023), Seite 1169-1179 (DE-627)62317720X (DE-600)2545676-3 18699529 nnns volume:14 year:2023 pages:1169-1179 https://doi.org/10.5194/se-14-1169-2023 kostenfrei https://doaj.org/article/0548cd3c0c3247c49dfb1c15ff0db4bc kostenfrei https://se.copernicus.org/articles/14/1169/2023/se-14-1169-2023.pdf kostenfrei https://doaj.org/toc/1869-9510 Journal toc kostenfrei https://doaj.org/toc/1869-9529 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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 14 2023 1169-1179
spelling	10.5194/se-14-1169-2023 doi (DE-627)DOAJ091042704 (DE-599)DOAJ0548cd3c0c3247c49dfb1c15ff0db4bc DE-627 ger DE-627 rakwb eng QE1-996.5 QE640-699 Y. Cao verfasserin aut The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p< Geology Stratigraphy Y. Cao verfasserin aut Z. Jin verfasserin aut Z. Jin verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut K. Liu verfasserin aut K. Liu verfasserin aut In Solid Earth Copernicus Publications, 2011 14(2023), Seite 1169-1179 (DE-627)62317720X (DE-600)2545676-3 18699529 nnns volume:14 year:2023 pages:1169-1179 https://doi.org/10.5194/se-14-1169-2023 kostenfrei https://doaj.org/article/0548cd3c0c3247c49dfb1c15ff0db4bc kostenfrei https://se.copernicus.org/articles/14/1169/2023/se-14-1169-2023.pdf kostenfrei https://doaj.org/toc/1869-9510 Journal toc kostenfrei https://doaj.org/toc/1869-9529 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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 14 2023 1169-1179
allfields_unstemmed	10.5194/se-14-1169-2023 doi (DE-627)DOAJ091042704 (DE-599)DOAJ0548cd3c0c3247c49dfb1c15ff0db4bc DE-627 ger DE-627 rakwb eng QE1-996.5 QE640-699 Y. Cao verfasserin aut The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p< Geology Stratigraphy Y. Cao verfasserin aut Z. Jin verfasserin aut Z. Jin verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut K. Liu verfasserin aut K. Liu verfasserin aut In Solid Earth Copernicus Publications, 2011 14(2023), Seite 1169-1179 (DE-627)62317720X (DE-600)2545676-3 18699529 nnns volume:14 year:2023 pages:1169-1179 https://doi.org/10.5194/se-14-1169-2023 kostenfrei https://doaj.org/article/0548cd3c0c3247c49dfb1c15ff0db4bc kostenfrei https://se.copernicus.org/articles/14/1169/2023/se-14-1169-2023.pdf kostenfrei https://doaj.org/toc/1869-9510 Journal toc kostenfrei https://doaj.org/toc/1869-9529 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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 14 2023 1169-1179
allfieldsGer	10.5194/se-14-1169-2023 doi (DE-627)DOAJ091042704 (DE-599)DOAJ0548cd3c0c3247c49dfb1c15ff0db4bc DE-627 ger DE-627 rakwb eng QE1-996.5 QE640-699 Y. Cao verfasserin aut The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p< Geology Stratigraphy Y. Cao verfasserin aut Z. Jin verfasserin aut Z. Jin verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut K. Liu verfasserin aut K. Liu verfasserin aut In Solid Earth Copernicus Publications, 2011 14(2023), Seite 1169-1179 (DE-627)62317720X (DE-600)2545676-3 18699529 nnns volume:14 year:2023 pages:1169-1179 https://doi.org/10.5194/se-14-1169-2023 kostenfrei https://doaj.org/article/0548cd3c0c3247c49dfb1c15ff0db4bc kostenfrei https://se.copernicus.org/articles/14/1169/2023/se-14-1169-2023.pdf kostenfrei https://doaj.org/toc/1869-9510 Journal toc kostenfrei https://doaj.org/toc/1869-9529 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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 14 2023 1169-1179
allfieldsSound	10.5194/se-14-1169-2023 doi (DE-627)DOAJ091042704 (DE-599)DOAJ0548cd3c0c3247c49dfb1c15ff0db4bc DE-627 ger DE-627 rakwb eng QE1-996.5 QE640-699 Y. Cao verfasserin aut The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p< Geology Stratigraphy Y. Cao verfasserin aut Z. Jin verfasserin aut Z. Jin verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut R. Zhu verfasserin aut K. Liu verfasserin aut K. Liu verfasserin aut In Solid Earth Copernicus Publications, 2011 14(2023), Seite 1169-1179 (DE-627)62317720X (DE-600)2545676-3 18699529 nnns volume:14 year:2023 pages:1169-1179 https://doi.org/10.5194/se-14-1169-2023 kostenfrei https://doaj.org/article/0548cd3c0c3247c49dfb1c15ff0db4bc kostenfrei https://se.copernicus.org/articles/14/1169/2023/se-14-1169-2023.pdf kostenfrei https://doaj.org/toc/1869-9510 Journal toc kostenfrei https://doaj.org/toc/1869-9529 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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 14 2023 1169-1179
language	English
source	In Solid Earth 14(2023), Seite 1169-1179 volume:14 year:2023 pages:1169-1179
sourceStr	In Solid Earth 14(2023), Seite 1169-1179 volume:14 year:2023 pages:1169-1179
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Geology Stratigraphy
isfreeaccess_bool	true
container_title	Solid Earth
authorswithroles_txt_mv	Y. Cao @@aut@@ Z. Jin @@aut@@ R. Zhu @@aut@@ K. Liu @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	62317720X
id	DOAJ091042704
language_de	englisch
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Cao</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="4"><subfield code="a">The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</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="520" ind1=" " ind2=" "><subfield code="a"><p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. 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callnumber-first	Q - Science
author	Y. Cao
spellingShingle	Y. Cao misc QE1-996.5 misc QE640-699 misc Geology misc Stratigraphy The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China
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topic_title	QE1-996.5 QE640-699 The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China
topic	misc QE1-996.5 misc QE640-699 misc Geology misc Stratigraphy
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title	The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China
ctrlnum	(DE-627)DOAJ091042704 (DE-599)DOAJ0548cd3c0c3247c49dfb1c15ff0db4bc
title_full	The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China
author_sort	Y. Cao
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author_browse	Y. Cao Z. Jin R. Zhu K. Liu
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doi_str_mv	10.5194/se-14-1169-2023
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title_sort	influence of extraction of various solvents on chemical properties on chang 7 shale, ordos basin, china
callnumber	QE1-996.5
title_auth	The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China
abstract	<p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p<
abstractGer	<p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p<
abstract_unstemmed	<p<To explore the effect of various solvents extraction on the chemical property of shale, several lacustrine shale samples from the Chang 7 member of the Upper Triassic Yanchang Formation, Ordos Basin, with maturities, from marginally mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=439</span<<span class="inline-formula"<<sup<∘</sup<</span<) to late mature (<span class="inline-formula"<<i<T</i<<sub<max</sub<=456</span<<span class="inline-formula"<<sup<∘</sup<</span<), were extracted by using acetone, tetrahydrofuran (THF), carbon disulfide (CS<span class="inline-formula"<<sub<2</sub<</span<), and benzene, respectively. Fourier transform infrared spectroscopy (FTIR) was employed to examine the functional groups of the samples before and after extraction with different solvents. The results showed that the extraction yield from shale with THF is significantly higher than that of other solvents, which may be related to the properties of the THF, including the aromatic structure, high boiling point, excellent Hansen solubility parameters, and strong polarity. The total organic carbon (TOC)-normalized yield of the mature sample J1 is significantly higher than that of other samples, which may be related to the fact that the J1 sample is at the peak of hydrocarbon generation; thus, a large number of kerogens were cracked into oil and bitumen. The aromaticity of organic matter (OM) increases with the increase in the maturity. The length of the aliphatic chains of the OM first increased with the increase in the maturity before late maturity stage and then decreased in late maturity stage. The extraction of shale samples with solvents hardly changes the length of aliphatic chains. Higher aromaticity is observed in shale residues after THF extractions than for other solvents (i.e., acetone, CS<span class="inline-formula"<<sub<2</sub<</span<, and benzene).</p<
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title_short	The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China
url	https://doi.org/10.5194/se-14-1169-2023 https://doaj.org/article/0548cd3c0c3247c49dfb1c15ff0db4bc https://se.copernicus.org/articles/14/1169/2023/se-14-1169-2023.pdf https://doaj.org/toc/1869-9510 https://doaj.org/toc/1869-9529
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up_date	2024-07-03T18:06:12.495Z
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The influence of extraction of various solvents on chemical properties on Chang 7 shale, Ordos Basin, China

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