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Performance of Cow Bone Biochar in Pb(II) Adsorption: Comparative Analysis of Batch and Fixed‐Bed Column Techniques.

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Title: Performance of Cow Bone Biochar in Pb(II) Adsorption: Comparative Analysis of Batch and Fixed‐Bed Column Techniques.
Authors: Do, Quoc‐Hoang1 (AUTHOR), Nguyen, Van‐Truc1 (AUTHOR), Le, Vu‐Anh2 (AUTHOR), Dat, Nguyen Duy3 (AUTHOR), Nguyen, Van‐Trong1 (AUTHOR), La, Ngoc‐Kim‐Anh1 (AUTHOR), Duong, Thi‐Giang‐Huong1 (AUTHOR), Vo, Thi‐Dieu‐Hien2 (AUTHOR) vtdhien@ntt.edu.vn
Source: Environmental Quality Management. Summer2026, Vol. 35 Issue 4, p1-11. 11p.
Subject Terms: *Lead removal (Sewage purification), *Biochar, *Agricultural wastes, *Adsorption (Chemistry), *Water purification, *Environmental remediation, Adsorption capacity, Fixed bed reactors
Abstract: This study investigates cow bone biochar (CBBC), a food byproduct, as an adsorbent for Pb(II) removal from water. Physicochemical characterization revealed that CBBC possesses a mesoporous structure with a BET surface area of 78.9 m2/g and abundant oxygen‐containing functional groups that provide active sites for metal binding. Batch experiments analyzed using the Langmuir model (R2 = 0.99) confirmed the monolayer adsorption capability of CBBC. The effects of flow rate, starting lead concentration, and bed height on adsorption performance were evaluated in fixed‐bed column experiments. The findings indicated that at an influent concentration of 100 mg/L, the maximum adsorption capacity was 151.35 mg/g, highlighting the effectiveness of CBBC. The adsorption mechanism was analyzed using the Thomas, Adams‐Bohart, and Yoon‐Nelson models, which agreed with the findings of earlier studies. CBBC effectively removes Pb(II) from water, making it a promising material for practical water treatment applications. This study advances knowledge on utilizing agricultural byproducts, such as cow bone, for environmental remediation, offering a sustainable approach to waste utilization and pollution reduction. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Quality Management 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.)
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  Label: Title
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  Data: Performance of Cow Bone Biochar in Pb(II) Adsorption: Comparative Analysis of Batch and Fixed‐Bed Column Techniques.
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  Data: <searchLink fieldCode="AR" term="%22Do%2C+Quoc‐Hoang%22">Do, Quoc‐Hoang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nguyen%2C+Van‐Truc%22">Nguyen, Van‐Truc</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Le%2C+Vu‐Anh%22">Le, Vu‐Anh</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dat%2C+Nguyen+Duy%22">Dat, Nguyen Duy</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nguyen%2C+Van‐Trong%22">Nguyen, Van‐Trong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22La%2C+Ngoc‐Kim‐Anh%22">La, Ngoc‐Kim‐Anh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Duong%2C+Thi‐Giang‐Huong%22">Duong, Thi‐Giang‐Huong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vo%2C+Thi‐Dieu‐Hien%22">Vo, Thi‐Dieu‐Hien</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> vtdhien@ntt.edu.vn</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Quality+Management%22">Environmental Quality Management</searchLink>. Summer2026, Vol. 35 Issue 4, p1-11. 11p.
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  Data: *<searchLink fieldCode="DE" term="%22Lead+removal+%28Sewage+purification%29%22">Lead removal (Sewage purification)</searchLink><br />*<searchLink fieldCode="DE" term="%22Biochar%22">Biochar</searchLink><br />*<searchLink fieldCode="DE" term="%22Agricultural+wastes%22">Agricultural wastes</searchLink><br />*<searchLink fieldCode="DE" term="%22Adsorption+%28Chemistry%29%22">Adsorption (Chemistry)</searchLink><br />*<searchLink fieldCode="DE" term="%22Water+purification%22">Water purification</searchLink><br />*<searchLink fieldCode="DE" term="%22Environmental+remediation%22">Environmental remediation</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+capacity%22">Adsorption capacity</searchLink><br /><searchLink fieldCode="DE" term="%22Fixed+bed+reactors%22">Fixed bed reactors</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study investigates cow bone biochar (CBBC), a food byproduct, as an adsorbent for Pb(II) removal from water. Physicochemical characterization revealed that CBBC possesses a mesoporous structure with a BET surface area of 78.9 m2/g and abundant oxygen‐containing functional groups that provide active sites for metal binding. Batch experiments analyzed using the Langmuir model (R2 = 0.99) confirmed the monolayer adsorption capability of CBBC. The effects of flow rate, starting lead concentration, and bed height on adsorption performance were evaluated in fixed‐bed column experiments. The findings indicated that at an influent concentration of 100 mg/L, the maximum adsorption capacity was 151.35 mg/g, highlighting the effectiveness of CBBC. The adsorption mechanism was analyzed using the Thomas, Adams‐Bohart, and Yoon‐Nelson models, which agreed with the findings of earlier studies. CBBC effectively removes Pb(II) from water, making it a promising material for practical water treatment applications. This study advances knowledge on utilizing agricultural byproducts, such as cow bone, for environmental remediation, offering a sustainable approach to waste utilization and pollution reduction. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Environmental Quality Management 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.)
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        Value: 10.1002/tqem.70345
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      – Code: eng
        Text: English
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        PageCount: 11
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      – SubjectFull: Lead removal (Sewage purification)
        Type: general
      – SubjectFull: Biochar
        Type: general
      – SubjectFull: Agricultural wastes
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      – SubjectFull: Adsorption (Chemistry)
        Type: general
      – SubjectFull: Water purification
        Type: general
      – SubjectFull: Environmental remediation
        Type: general
      – SubjectFull: Adsorption capacity
        Type: general
      – SubjectFull: Fixed bed reactors
        Type: general
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      – TitleFull: Performance of Cow Bone Biochar in Pb(II) Adsorption: Comparative Analysis of Batch and Fixed‐Bed Column Techniques.
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            NameFull: Do, Quoc‐Hoang
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            NameFull: Nguyen, Van‐Truc
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            NameFull: Le, Vu‐Anh
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            NameFull: Dat, Nguyen Duy
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            – D: 01
              M: 06
              Text: Summer2026
              Type: published
              Y: 2026
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