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Research Progress on Sulphur Migration Characteristics in Coal Chemical Looping Combustion Processes.

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Title: Research Progress on Sulphur Migration Characteristics in Coal Chemical Looping Combustion Processes.
Authors: An, Mei1 (AUTHOR) 2112523039@wyu.edu.cn, Hao, Pengfei1,2 (AUTHOR), Zhang, Jianping1 (AUTHOR), Bai, Shuli1,2 (AUTHOR), Liu, Ye1 (AUTHOR), Dai, Ziyan1 (AUTHOR), Zhang, Guodong2 (AUTHOR)
Source: Nanomaterials (2079-4991). Jun2026, Vol. 16 Issue 12, p763. 17p.
Subjects: Chemical-looping combustion, Sulfuration, Carbon dioxide mitigation, Pyrolysis, Clean coal technologies, Coal gasification, Oxygen carriers
Abstract: Coal chemical looping combustion (CLC) enables high-concentration CO2 capture with low NOx emissions. However, coal-derived sulphur species in the fuel reactor (FR) present severe challenges, including oxygen carrier (OC) poisoning and CO2 stream contamination. This study identifies coal-derived sulphur within the FR as the primary emission source and systematically characterises its release patterns during pyrolysis and gasification, comparing in-situ gasification CLC (IG-CLC) and chemical looping with oxygen uncoupling (CLOU). Coal sulphur distribution pathways and their governing factors are systematically investigated, followed by a comprehensive characterization of sulphur release behaviour during pyrolysis and gasification. We propose a novel perspective advocating a paradigm shift from passive sulphur tolerance to active in-situ sulphur capture through the rational design of Multifunctional Oxygen Carriers (MOCs). This review provides a comprehensive theoretical framework and practical guidelines for designing sulphur-resistant systems, thereby accelerating the industrial deployment of clean coal chemical looping technologies. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Research Progress on Sulphur Migration Characteristics in Coal Chemical Looping Combustion Processes.
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  Data: <searchLink fieldCode="AR" term="%22An%2C+Mei%22">An, Mei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2112523039@wyu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hao%2C+Pengfei%22">Hao, Pengfei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jianping%22">Zhang, Jianping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bai%2C+Shuli%22">Bai, Shuli</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Ye%22">Liu, Ye</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dai%2C+Ziyan%22">Dai, Ziyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Guodong%22">Zhang, Guodong</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Jun2026, Vol. 16 Issue 12, p763. 17p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Chemical-looping+combustion%22">Chemical-looping combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfuration%22">Sulfuration</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+dioxide+mitigation%22">Carbon dioxide mitigation</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrolysis%22">Pyrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Clean+coal+technologies%22">Clean coal technologies</searchLink><br /><searchLink fieldCode="DE" term="%22Coal+gasification%22">Coal gasification</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen+carriers%22">Oxygen carriers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Coal chemical looping combustion (CLC) enables high-concentration CO2 capture with low NOx emissions. However, coal-derived sulphur species in the fuel reactor (FR) present severe challenges, including oxygen carrier (OC) poisoning and CO2 stream contamination. This study identifies coal-derived sulphur within the FR as the primary emission source and systematically characterises its release patterns during pyrolysis and gasification, comparing in-situ gasification CLC (IG-CLC) and chemical looping with oxygen uncoupling (CLOU). Coal sulphur distribution pathways and their governing factors are systematically investigated, followed by a comprehensive characterization of sulphur release behaviour during pyrolysis and gasification. We propose a novel perspective advocating a paradigm shift from passive sulphur tolerance to active in-situ sulphur capture through the rational design of Multifunctional Oxygen Carriers (MOCs). This review provides a comprehensive theoretical framework and practical guidelines for designing sulphur-resistant systems, thereby accelerating the industrial deployment of clean coal chemical looping technologies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.3390/nano16120763
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 763
    Subjects:
      – SubjectFull: Chemical-looping combustion
        Type: general
      – SubjectFull: Sulfuration
        Type: general
      – SubjectFull: Carbon dioxide mitigation
        Type: general
      – SubjectFull: Pyrolysis
        Type: general
      – SubjectFull: Clean coal technologies
        Type: general
      – SubjectFull: Coal gasification
        Type: general
      – SubjectFull: Oxygen carriers
        Type: general
    Titles:
      – TitleFull: Research Progress on Sulphur Migration Characteristics in Coal Chemical Looping Combustion Processes.
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            NameFull: An, Mei
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              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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