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Facile preparation of biochar from biomass-derived lignin and cellulose for determination of 4-nitrophenol and 2-nitrophenol.

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Title: Facile preparation of biochar from biomass-derived lignin and cellulose for determination of 4-nitrophenol and 2-nitrophenol.
Authors: Bao, Tianshuang1,2 (AUTHOR), Wang, Qi1 (AUTHOR), Li, Hongxiang1 (AUTHOR), Su, Ying1 (AUTHOR), Guo, Tong1 (AUTHOR), Cao, Jun1 (AUTHOR), Li, Qiaoling1 (AUTHOR), Si, Weimeng1 (AUTHOR) siweimeng@foxmail.com
Source: Electrochimica Acta. Oct2025, Vol. 536, pN.PAG-N.PAG. 1p.
Subjects: Carbon-based materials, Electrolytic reduction, Hydroxyl group, Detection limit, Nitrophenols
Abstract: The complex components in biomass materials exhibit distinct pyrolysis behaviors. These behaviors lead to the diverse structures of biochar prepared by direct pyrolysis. Additionally, Nitrophenols display different electrochemical redox behaviors on various carbon materials. These factors impose limitations on the applications of both the biochar in the determination of nitrophenols. In this study, lignin and cellulose were extracted from poplar biomass via a simple alkaline pulping method. The obtained crude lignin and crude cellulose were pyrolyzed separately to produce two types of carbon materials: lignin-derived and cellulose-derived carbon. Lignin-derived carbon exhibited a closely packed structure of carbon nanoparticles, while cellulose-derived carbon had an interconnected macroporous structure. Lignin-derived carbon possessed an enhanced response for the electrochemical reduction of 4-nitrophenol, while cellulose-derived carbon had a higher response for 2-nitrophenol. During the reduction of 4-nitrophenol, the hydroxyl group content was the dominating factor. Moreover, the trace-doped N-species was more crucial for 2-nitrophenol reduction. The detection limit for 4-nitrophenol on lignin-derived carbon was 0.0174 μM and detection limit for 2-nitrophenol on cellulose-derived carbon 0.0203 μM. [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Electrochimica Acta is the property of Pergamon Press - An Imprint of Elsevier Science 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.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 186749808
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Facile preparation of biochar from biomass-derived lignin and cellulose for determination of 4-nitrophenol and 2-nitrophenol.
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  Data: <searchLink fieldCode="AR" term="%22Bao%2C+Tianshuang%22">Bao, Tianshuang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Qi%22">Wang, Qi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Hongxiang%22">Li, Hongxiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Su%2C+Ying%22">Su, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Tong%22">Guo, Tong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Jun%22">Cao, Jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Qiaoling%22">Li, Qiaoling</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Si%2C+Weimeng%22">Si, Weimeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> siweimeng@foxmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Electrochimica+Acta%22">Electrochimica Acta</searchLink>. Oct2025, Vol. 536, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Carbon-based+materials%22">Carbon-based materials</searchLink><br /><searchLink fieldCode="DE" term="%22Electrolytic+reduction%22">Electrolytic reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Hydroxyl+group%22">Hydroxyl group</searchLink><br /><searchLink fieldCode="DE" term="%22Detection+limit%22">Detection limit</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrophenols%22">Nitrophenols</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The complex components in biomass materials exhibit distinct pyrolysis behaviors. These behaviors lead to the diverse structures of biochar prepared by direct pyrolysis. Additionally, Nitrophenols display different electrochemical redox behaviors on various carbon materials. These factors impose limitations on the applications of both the biochar in the determination of nitrophenols. In this study, lignin and cellulose were extracted from poplar biomass via a simple alkaline pulping method. The obtained crude lignin and crude cellulose were pyrolyzed separately to produce two types of carbon materials: lignin-derived and cellulose-derived carbon. Lignin-derived carbon exhibited a closely packed structure of carbon nanoparticles, while cellulose-derived carbon had an interconnected macroporous structure. Lignin-derived carbon possessed an enhanced response for the electrochemical reduction of 4-nitrophenol, while cellulose-derived carbon had a higher response for 2-nitrophenol. During the reduction of 4-nitrophenol, the hydroxyl group content was the dominating factor. Moreover, the trace-doped N-species was more crucial for 2-nitrophenol reduction. The detection limit for 4-nitrophenol on lignin-derived carbon was 0.0174 μM and detection limit for 2-nitrophenol on cellulose-derived carbon 0.0203 μM. [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Electrochimica Acta is the property of Pergamon Press - An Imprint of Elsevier Science 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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      – Type: doi
        Value: 10.1016/j.electacta.2025.146420
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Carbon-based materials
        Type: general
      – SubjectFull: Electrolytic reduction
        Type: general
      – SubjectFull: Hydroxyl group
        Type: general
      – SubjectFull: Detection limit
        Type: general
      – SubjectFull: Nitrophenols
        Type: general
    Titles:
      – TitleFull: Facile preparation of biochar from biomass-derived lignin and cellulose for determination of 4-nitrophenol and 2-nitrophenol.
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            NameFull: Bao, Tianshuang
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            NameFull: Wang, Qi
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            NameFull: Li, Hongxiang
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            NameFull: Su, Ying
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            – D: 01
              M: 10
              Text: Oct2025
              Type: published
              Y: 2025
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              Value: 536
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