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Preparation of MgAl-LDHs loaded with blast furnace slag and its removal of Cu(II) and methylene blue from aqueous solution.

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Title: Preparation of MgAl-LDHs loaded with blast furnace slag and its removal of Cu(II) and methylene blue from aqueous solution.
Authors: Zhang, Fengrong1 (AUTHOR) zfrong1204@163.com, Zhang, Cuilan2 (AUTHOR), Zhang, Binghan1 (AUTHOR), Han, Dandan1 (AUTHOR), Du, Longwei1 (AUTHOR), Wu, Lishun1 (AUTHOR)
Source: Environmental Technology. Nov2024, Vol. 45 Issue 26, p5688-5699. 12p.
Subject Terms: *Industrial wastes, *Copper, *Sewage purification, Freundlich isotherm equation, Layered double hydroxides, Methylene blue
Abstract: Blast furnace slag (BFS) is a kind of waste produced in industrial production, as well as a valuable secondary resource. In this paper, layered double hydroxides composites (BFS/LDHs) were prepared by aqueous polymerization, with industrial waste BFS as modifier and magnesium nitrate, aluminium nitrate, and urea as raw materials. BFS/LDHs have been characterized by using scanning electron microscopy (SEM), fourier infrared spectrometer (FT IR), x-ray diffraction (XRD), and the specific surface area analyser (BET). The adsorption of BFS/LDHs on Cu (II) and methylene blue (MB) was investigated by batch experiments. The results showed that the adsorption capacity of BFS/LDHs to Cu (II) is stronger than that of MB. What's more, the solid concentration effect was found in the process of sorption kinetics and sorption isotherms. The sorption kinetics curves of Cu (II) and MB on BFS/LDHs were well fitted by the quasi-second-order kinetics under different adsorbent concentrations. Langmuir and Freundlich sorption isotherm models were used to analyse the adsorption. It showed that the adsorption conforms to Langmuir and Freundlich's adsorption isotherm models. The BFS/LDHs composites have good recycling availability in this adsorption process of Cu (II) and MB, the removal capacity of which was reduced by 16.1% and 3.8% after being recycled for six times, respectively. More importantly, BFS/LDHs composites are not only expected to become a sewage treatment agent, but also to solve the problem of industrial waste treatment, which is a win–win strategy. [ABSTRACT FROM AUTHOR]
Copyright of Environmental 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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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Preparation of MgAl-LDHs loaded with blast furnace slag and its removal of Cu(II) and methylene blue from aqueous solution.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Fengrong%22">Zhang, Fengrong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zfrong1204@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Cuilan%22">Zhang, Cuilan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Binghan%22">Zhang, Binghan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Dandan%22">Han, Dandan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Longwei%22">Du, Longwei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Lishun%22">Wu, Lishun</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Technology%22">Environmental Technology</searchLink>. Nov2024, Vol. 45 Issue 26, p5688-5699. 12p.
– Name: Subject
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  Data: *<searchLink fieldCode="DE" term="%22Industrial+wastes%22">Industrial wastes</searchLink><br />*<searchLink fieldCode="DE" term="%22Copper%22">Copper</searchLink><br />*<searchLink fieldCode="DE" term="%22Sewage+purification%22">Sewage purification</searchLink><br /><searchLink fieldCode="DE" term="%22Freundlich+isotherm+equation%22">Freundlich isotherm equation</searchLink><br /><searchLink fieldCode="DE" term="%22Layered+double+hydroxides%22">Layered double hydroxides</searchLink><br /><searchLink fieldCode="DE" term="%22Methylene+blue%22">Methylene blue</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Blast furnace slag (BFS) is a kind of waste produced in industrial production, as well as a valuable secondary resource. In this paper, layered double hydroxides composites (BFS/LDHs) were prepared by aqueous polymerization, with industrial waste BFS as modifier and magnesium nitrate, aluminium nitrate, and urea as raw materials. BFS/LDHs have been characterized by using scanning electron microscopy (SEM), fourier infrared spectrometer (FT IR), x-ray diffraction (XRD), and the specific surface area analyser (BET). The adsorption of BFS/LDHs on Cu (II) and methylene blue (MB) was investigated by batch experiments. The results showed that the adsorption capacity of BFS/LDHs to Cu (II) is stronger than that of MB. What's more, the solid concentration effect was found in the process of sorption kinetics and sorption isotherms. The sorption kinetics curves of Cu (II) and MB on BFS/LDHs were well fitted by the quasi-second-order kinetics under different adsorbent concentrations. Langmuir and Freundlich sorption isotherm models were used to analyse the adsorption. It showed that the adsorption conforms to Langmuir and Freundlich's adsorption isotherm models. The BFS/LDHs composites have good recycling availability in this adsorption process of Cu (II) and MB, the removal capacity of which was reduced by 16.1% and 3.8% after being recycled for six times, respectively. More importantly, BFS/LDHs composites are not only expected to become a sewage treatment agent, but also to solve the problem of industrial waste treatment, which is a win–win strategy. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Environmental 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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      – Type: doi
        Value: 10.1080/09593330.2024.2304663
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 5688
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        Type: general
      – SubjectFull: Copper
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      – SubjectFull: Sewage purification
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      – SubjectFull: Freundlich isotherm equation
        Type: general
      – SubjectFull: Layered double hydroxides
        Type: general
      – SubjectFull: Methylene blue
        Type: general
    Titles:
      – TitleFull: Preparation of MgAl-LDHs loaded with blast furnace slag and its removal of Cu(II) and methylene blue from aqueous solution.
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            NameFull: Zhang, Fengrong
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            NameFull: Zhang, Cuilan
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            NameFull: Zhang, Binghan
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            NameFull: Du, Longwei
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              M: 11
              Text: Nov2024
              Type: published
              Y: 2024
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