View in EDS

Biochar Addition Changes the Aggregation of Clay Mineral and Natural Soil Nanoparticles via Different Mechanisms.

Saved in:
Bibliographic Details
Title: Biochar Addition Changes the Aggregation of Clay Mineral and Natural Soil Nanoparticles via Different Mechanisms.
Authors: Li, Qi‐rui1,2 (AUTHOR), Xu, Chen‐yang1,3 (AUTHOR) xuchenyang.ms@163.com, Geng, Zeng‐chao1,3 (AUTHOR), Hu, Fei‐nan4,5 (AUTHOR), Wang, Chun‐li1,2 (AUTHOR)
Source: European Journal of Soil Science. Mar/Apr2025, Vol. 76 Issue 2, p1-12. 12p.
Subjects: Organic compound content of soils, Clay, Soil mineralogy, DLVO theory, Clay minerals, Hematite
Abstract: Wide application of biochar and subsequent release of biochar nanoparticles (NPs) significantly impact the stability of natural clay minerals and soil NPs, which are crucial for soil quality and play a vital role in determining the fate of nutrients and contaminants in the environment. Soil is a naturally occurring complex system composed of multiple components. Existing research on soil particle aggregation has predominantly focused on homo‐aggregation. However, the addition of biochar to soil inevitably induces hetero‐aggregation with soil components. In this study, the effects of biochar NPs on the aggregation of representative clay minerals (hematite and illite) and natural soil NPs from Luvisol, Phaeozem and Ferralsol under various solution chemistry were studied. The mechanisms were further elucidated by adopting the Derjaguin‐Landau‐Verwey‐Overbeek (DLVO) theory. The results indicated that the addition of negatively charged biochar NPs significantly altered the aggregation behaviours of positively charged hematite NPs through charge neutralisation. The aggregation of negatively charged illite particles was inhibited by the generating H‐bonding and steric repulsion. Biochar NPs significantly increased the colloidal stability of Luvisol (from 343.82 to 382.96 mM) and Ferralsol NPs (from 28.39 to 215.35 mM) by increasing the net DLVO repulsive forces. Nevertheless, the stability of Phaeozem NPs, containing higher organic matter, decreased with increasing biochar NP concentrations due to electrostatic shielding. In conclusion, for complicated natural soil systems with significant differences between organic and inorganic components, the application of biochar NPs has a profound impact on colloidal particle interactions, particularly affecting positively‐charged mineral colloids and soils with low soil organic matter content. [ABSTRACT FROM AUTHOR]
Copyright of European Journal of Soil Science is the property of Wiley-Blackwell 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
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 184712991
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Biochar Addition Changes the Aggregation of Clay Mineral and Natural Soil Nanoparticles via Different Mechanisms.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Li%2C+Qi‐rui%22">Li, Qi‐rui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Chen‐yang%22">Xu, Chen‐yang</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> xuchenyang.ms@163.com</i><br /><searchLink fieldCode="AR" term="%22Geng%2C+Zeng‐chao%22">Geng, Zeng‐chao</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Fei‐nan%22">Hu, Fei‐nan</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Chun‐li%22">Wang, Chun‐li</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Soil+Science%22">European Journal of Soil Science</searchLink>. Mar/Apr2025, Vol. 76 Issue 2, p1-12. 12p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Organic+compound+content+of+soils%22">Organic compound content of soils</searchLink><br /><searchLink fieldCode="DE" term="%22Clay%22">Clay</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+mineralogy%22">Soil mineralogy</searchLink><br /><searchLink fieldCode="DE" term="%22DLVO+theory%22">DLVO theory</searchLink><br /><searchLink fieldCode="DE" term="%22Clay+minerals%22">Clay minerals</searchLink><br /><searchLink fieldCode="DE" term="%22Hematite%22">Hematite</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Wide application of biochar and subsequent release of biochar nanoparticles (NPs) significantly impact the stability of natural clay minerals and soil NPs, which are crucial for soil quality and play a vital role in determining the fate of nutrients and contaminants in the environment. Soil is a naturally occurring complex system composed of multiple components. Existing research on soil particle aggregation has predominantly focused on homo‐aggregation. However, the addition of biochar to soil inevitably induces hetero‐aggregation with soil components. In this study, the effects of biochar NPs on the aggregation of representative clay minerals (hematite and illite) and natural soil NPs from Luvisol, Phaeozem and Ferralsol under various solution chemistry were studied. The mechanisms were further elucidated by adopting the Derjaguin‐Landau‐Verwey‐Overbeek (DLVO) theory. The results indicated that the addition of negatively charged biochar NPs significantly altered the aggregation behaviours of positively charged hematite NPs through charge neutralisation. The aggregation of negatively charged illite particles was inhibited by the generating H‐bonding and steric repulsion. Biochar NPs significantly increased the colloidal stability of Luvisol (from 343.82 to 382.96 mM) and Ferralsol NPs (from 28.39 to 215.35 mM) by increasing the net DLVO repulsive forces. Nevertheless, the stability of Phaeozem NPs, containing higher organic matter, decreased with increasing biochar NP concentrations due to electrostatic shielding. In conclusion, for complicated natural soil systems with significant differences between organic and inorganic components, the application of biochar NPs has a profound impact on colloidal particle interactions, particularly affecting positively‐charged mineral colloids and soils with low soil organic matter content. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Journal of Soil Science is the property of Wiley-Blackwell 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=184712991
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1111/ejss.70056
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 1
    Subjects:
      – SubjectFull: Organic compound content of soils
        Type: general
      – SubjectFull: Clay
        Type: general
      – SubjectFull: Soil mineralogy
        Type: general
      – SubjectFull: DLVO theory
        Type: general
      – SubjectFull: Clay minerals
        Type: general
      – SubjectFull: Hematite
        Type: general
    Titles:
      – TitleFull: Biochar Addition Changes the Aggregation of Clay Mineral and Natural Soil Nanoparticles via Different Mechanisms.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Li, Qi‐rui
      – PersonEntity:
          Name:
            NameFull: Xu, Chen‐yang
      – PersonEntity:
          Name:
            NameFull: Geng, Zeng‐chao
      – PersonEntity:
          Name:
            NameFull: Hu, Fei‐nan
      – PersonEntity:
          Name:
            NameFull: Wang, Chun‐li
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 03
              Text: Mar/Apr2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
              Value: 13510754
          Numbering:
            – Type: volume
              Value: 76
            – Type: issue
              Value: 2
          Titles:
            – TitleFull: European Journal of Soil Science
              Type: main
ResultId 1