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Adsorptive removal of heavy metals from water using thermally treated laterite: an approach for production of drinking water from rain water.

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Title: Adsorptive removal of heavy metals from water using thermally treated laterite: an approach for production of drinking water from rain water.
Authors: Tran, Dinh-Trinh1 (AUTHOR) trinhtd@vnu.edu.vn, Vu, Duc-Toan2 (AUTHOR), Le, Manh-Cuong3 (AUTHOR)
Source: Journal of Dispersion Science & Technology. Mar2024, Vol. 45 Issue 3, p596-608. 13p.
Subjects: Rainwater, Laterite, Drinking water, Heavy metals, Water use, Solar heating, Biochar
Geographic Terms: Vietnam
Abstract: Access to clean water is still limited in a number of regions, especially country sides, rural, and mountainous areas in Vietnam. Therefore, studies on clean water production by using sustainable and affordable processes for locals to access to clean water are of great importance. In this research, we produced laterite-based adsorbents by thermal treatment of natural laterite. The produced adsorbents were characterized in terms of morphology, crystallite, chemical composition, surface functional groups, surface charges, and surface area. The adsorption processes of Ni2+ and Cu2+ onto thermally treated laterite were studied. The treated laterite was also deployed to the removal of pollutants from real rain water. Finally, treated laterite was used in a combination system to purify rain water to produce drinking water for households in Hai Dong commune, Hai Hau district, Nam Dinh province. The results showed that the adsorption of Ni2+ and Cu2+ by thermally treated laterite reached equilibrium after 40 min and followed the Langmuir sorption isotherm, with the maximum uptake of 27.6 mg/g for Cu2+ and 17.4 mg/g for Ni2+. The second-order-kinetic model described the best the adsorption of Cu2+ and Ni2+ from aqueous solution, implying chemisorption was predominant mechanism. The treated laterite was suitable for heavy metal removal but less effective for the removal of anions from water. The combination of solar heating system with treated laterite, sand, and activated carbon allowed to safely produce drinking water from rain water, which presented the water quality respecting the Vietnam national standard for drinking water (QCVN 01:09/BYT). [ABSTRACT FROM AUTHOR]
Copyright of Journal of Dispersion Science & Technology 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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  Label: Title
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  Data: Adsorptive removal of heavy metals from water using thermally treated laterite: an approach for production of drinking water from rain water.
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  Data: <searchLink fieldCode="AR" term="%22Tran%2C+Dinh-Trinh%22">Tran, Dinh-Trinh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> trinhtd@vnu.edu.vn</i><br /><searchLink fieldCode="AR" term="%22Vu%2C+Duc-Toan%22">Vu, Duc-Toan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Le%2C+Manh-Cuong%22">Le, Manh-Cuong</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Dispersion+Science+%26+Technology%22">Journal of Dispersion Science & Technology</searchLink>. Mar2024, Vol. 45 Issue 3, p596-608. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Rainwater%22">Rainwater</searchLink><br /><searchLink fieldCode="DE" term="%22Laterite%22">Laterite</searchLink><br /><searchLink fieldCode="DE" term="%22Drinking+water%22">Drinking water</searchLink><br /><searchLink fieldCode="DE" term="%22Heavy+metals%22">Heavy metals</searchLink><br /><searchLink fieldCode="DE" term="%22Water+use%22">Water use</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+heating%22">Solar heating</searchLink><br /><searchLink fieldCode="DE" term="%22Biochar%22">Biochar</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22Vietnam%22">Vietnam</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Access to clean water is still limited in a number of regions, especially country sides, rural, and mountainous areas in Vietnam. Therefore, studies on clean water production by using sustainable and affordable processes for locals to access to clean water are of great importance. In this research, we produced laterite-based adsorbents by thermal treatment of natural laterite. The produced adsorbents were characterized in terms of morphology, crystallite, chemical composition, surface functional groups, surface charges, and surface area. The adsorption processes of Ni2+ and Cu2+ onto thermally treated laterite were studied. The treated laterite was also deployed to the removal of pollutants from real rain water. Finally, treated laterite was used in a combination system to purify rain water to produce drinking water for households in Hai Dong commune, Hai Hau district, Nam Dinh province. The results showed that the adsorption of Ni2+ and Cu2+ by thermally treated laterite reached equilibrium after 40 min and followed the Langmuir sorption isotherm, with the maximum uptake of 27.6 mg/g for Cu2+ and 17.4 mg/g for Ni2+. The second-order-kinetic model described the best the adsorption of Cu2+ and Ni2+ from aqueous solution, implying chemisorption was predominant mechanism. The treated laterite was suitable for heavy metal removal but less effective for the removal of anions from water. The combination of solar heating system with treated laterite, sand, and activated carbon allowed to safely produce drinking water from rain water, which presented the water quality respecting the Vietnam national standard for drinking water (QCVN 01:09/BYT). [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Dispersion Science & Technology 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: 10.1080/01932691.2023.2165094
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 596
    Subjects:
      – SubjectFull: Rainwater
        Type: general
      – SubjectFull: Laterite
        Type: general
      – SubjectFull: Drinking water
        Type: general
      – SubjectFull: Heavy metals
        Type: general
      – SubjectFull: Water use
        Type: general
      – SubjectFull: Solar heating
        Type: general
      – SubjectFull: Biochar
        Type: general
      – SubjectFull: Vietnam
        Type: general
    Titles:
      – TitleFull: Adsorptive removal of heavy metals from water using thermally treated laterite: an approach for production of drinking water from rain water.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Tran, Dinh-Trinh
      – PersonEntity:
          Name:
            NameFull: Vu, Duc-Toan
      – PersonEntity:
          Name:
            NameFull: Le, Manh-Cuong
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          Dates:
            – D: 01
              M: 03
              Text: Mar2024
              Type: published
              Y: 2024
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              Value: 45
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            – TitleFull: Journal of Dispersion Science & Technology
              Type: main
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