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Impact of Humin on Soil Adsorption and Remediation of Cd(II), Pb(II), and Cu(II).

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Title: Impact of Humin on Soil Adsorption and Remediation of Cd(II), Pb(II), and Cu(II).
Authors: Wang, Yahui1 (AUTHOR), Li, Liming1 (AUTHOR), Zou, Xuegang1 (AUTHOR), Shu, Ranjun1 (AUTHOR), Ding, Ling1 (AUTHOR), Yao, Kun1 (AUTHOR), Lv, Wenying1 (AUTHOR) lvwy612@163.com, Liu, Guoguang1 (AUTHOR)
Source: Soil & Sediment Contamination. 2016, Vol. 25 Issue 6, p700-715. 16p.
Subjects: Humins, Soil absorption & adsorption, Soil composition, Cadmium, Lead in soils, Copper in soils, Bioremediation
Abstract: In situ immobilization constitutes a promising technology for the mitigation of contaminants, through the reduction of metal bioavailability and mobility. This study investigated the adsorption isotherms and kinetic characteristics of humin extracted from peat soils. We also studied the influences of the pH, ionic strengths, and soluble organic matter concentrations of soil solutions on the adsorptive properties of humin, and compared its ability to detoxify potentially toxic metals in both actual and simulated soil solutions. The study results indicated that humin contains a massive population of oxygen-containing functional groups. Its adsorption capacity for Pb(II) was greater than that for Cu(II), which exceeded that for Cd(II). The adsorption of humin for Pb(II) conformed to the Freundlich model, while the adsorption of humin for Cd(II) and Cu(II) followed the Langmuir model. The adsorption kinetics of humin with respect to potentially toxic metals aligned well with second-order kinetics equations. As the pH was elevated, the potentially toxic metal adsorption by humin increased rapidly. Electrolyte ions and tartaric acids in solution both inhibited the adsorption of potentially toxic metals by humin, and its ability to inactivate potentially toxic metals. This was shown to be improved in actual field soil solutions in contrast to simulated soil solutions. [ABSTRACT FROM AUTHOR]
Copyright of Soil & Sediment Contamination is the property of Taylor & Francis Ltd 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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DbLabel: Engineering Source
An: 118252601
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PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Impact of Humin on Soil Adsorption and Remediation of Cd(II), Pb(II), and Cu(II).
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Yahui%22">Wang, Yahui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Liming%22">Li, Liming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zou%2C+Xuegang%22">Zou, Xuegang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shu%2C+Ranjun%22">Shu, Ranjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ding%2C+Ling%22">Ding, Ling</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yao%2C+Kun%22">Yao, Kun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lv%2C+Wenying%22">Lv, Wenying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lvwy612@163.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Guoguang%22">Liu, Guoguang</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Soil+%26+Sediment+Contamination%22">Soil & Sediment Contamination</searchLink>. 2016, Vol. 25 Issue 6, p700-715. 16p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Humins%22">Humins</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+absorption+%26+adsorption%22">Soil absorption & adsorption</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+composition%22">Soil composition</searchLink><br /><searchLink fieldCode="DE" term="%22Cadmium%22">Cadmium</searchLink><br /><searchLink fieldCode="DE" term="%22Lead+in+soils%22">Lead in soils</searchLink><br /><searchLink fieldCode="DE" term="%22Copper+in+soils%22">Copper in soils</searchLink><br /><searchLink fieldCode="DE" term="%22Bioremediation%22">Bioremediation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In situ immobilization constitutes a promising technology for the mitigation of contaminants, through the reduction of metal bioavailability and mobility. This study investigated the adsorption isotherms and kinetic characteristics of humin extracted from peat soils. We also studied the influences of the pH, ionic strengths, and soluble organic matter concentrations of soil solutions on the adsorptive properties of humin, and compared its ability to detoxify potentially toxic metals in both actual and simulated soil solutions. The study results indicated that humin contains a massive population of oxygen-containing functional groups. Its adsorption capacity for Pb(II) was greater than that for Cu(II), which exceeded that for Cd(II). The adsorption of humin for Pb(II) conformed to the Freundlich model, while the adsorption of humin for Cd(II) and Cu(II) followed the Langmuir model. The adsorption kinetics of humin with respect to potentially toxic metals aligned well with second-order kinetics equations. As the pH was elevated, the potentially toxic metal adsorption by humin increased rapidly. Electrolyte ions and tartaric acids in solution both inhibited the adsorption of potentially toxic metals by humin, and its ability to inactivate potentially toxic metals. This was shown to be improved in actual field soil solutions in contrast to simulated soil solutions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Soil & Sediment Contamination is the property of Taylor & Francis Ltd 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/15320383.2016.1191426
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 16
        StartPage: 700
    Subjects:
      – SubjectFull: Humins
        Type: general
      – SubjectFull: Soil absorption & adsorption
        Type: general
      – SubjectFull: Soil composition
        Type: general
      – SubjectFull: Cadmium
        Type: general
      – SubjectFull: Lead in soils
        Type: general
      – SubjectFull: Copper in soils
        Type: general
      – SubjectFull: Bioremediation
        Type: general
    Titles:
      – TitleFull: Impact of Humin on Soil Adsorption and Remediation of Cd(II), Pb(II), and Cu(II).
        Type: main
  BibRelationships:
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      – PersonEntity:
          Name:
            NameFull: Wang, Yahui
      – PersonEntity:
          Name:
            NameFull: Li, Liming
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            NameFull: Zou, Xuegang
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            NameFull: Shu, Ranjun
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            NameFull: Ding, Ling
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            NameFull: Yao, Kun
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            NameFull: Lv, Wenying
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            NameFull: Liu, Guoguang
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            – D: 01
              M: 09
              Text: 2016
              Type: published
              Y: 2016
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              Value: 15320383
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              Value: 25
            – Type: issue
              Value: 6
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            – TitleFull: Soil & Sediment Contamination
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