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Nanosilica‐Coated 3D‐Printed Filters for Efficient Cu(II) Removal From Water: Adsorption Behavior and Reusability.

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Title: Nanosilica‐Coated 3D‐Printed Filters for Efficient Cu(II) Removal From Water: Adsorption Behavior and Reusability.
Authors: Amora, Alyssa Ashley O.1 (AUTHOR), Balocating, Ann Joyce T.1 (AUTHOR), Caadlawon, John Paul B.1 (AUTHOR), Masakayan, Katherine R.1 (AUTHOR), Ramos, Angel Rena Marie S.1 (AUTHOR), Melendres, Ariel V.1 (AUTHOR) ariel.melendres@adamson.edu.ph, Biswas, Arnab1 (AUTHOR) arnbiswas@wiley.com
Source: International Journal of Chemical Engineering (1687806X). 1/11/2026, Vol. 2026, p1-12. 12p.
Subjects: Water purification, Copper ions, Wastewater treatment, Adsorption capacity, Nanosilicon, Heavy metals, Sustainability
Abstract: This study explores the development of a 3D‐printed water filter coated with modified nanosilica for the efficient removal of Cu(II) ions from aqueous solutions. The nanosilica was first incorporated into a resin before being applied as a coating on the filter. The filter's performance was evaluated under varying conditions, including initial Cu(II) concentrations (50, 100, and 150 ppm), temperatures (30°C and 60°C), and a contact time of 120 min, focusing on adsorption capacity and reusability. The results demonstrated that nanosilica modification significantly enhanced the filter's adsorption efficiency, achieving removal rates between 78% and 81%. The highest efficiency, 81.14%, was observed at 60°C and 100 ppm Cu(II). Temperature showed minimal influence on removal efficiency within the tested range, while the initial Cu(II) concentration had a significant impact on adsorption capacity. The adsorption process followed the Langmuir isotherm model, indicating a monolayer adsorption mechanism with strong affinity for Cu(II) ions. Additionally, the modified filter exhibited excellent reusability, maintaining consistent performance across multiple adsorption cycles. These findings suggest that the nanosilica‐coated 3D‐printed filter offers a promising and sustainable solution for the removal of heavy metals from wastewater. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Chemical Engineering (1687806X) 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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  Data: Nanosilica‐Coated 3D‐Printed Filters for Efficient Cu(II) Removal From Water: Adsorption Behavior and Reusability.
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Chemical+Engineering+%281687806X%29%22">International Journal of Chemical Engineering (1687806X)</searchLink>. 1/11/2026, Vol. 2026, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Water+purification%22">Water purification</searchLink><br /><searchLink fieldCode="DE" term="%22Copper+ions%22">Copper ions</searchLink><br /><searchLink fieldCode="DE" term="%22Wastewater+treatment%22">Wastewater treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+capacity%22">Adsorption capacity</searchLink><br /><searchLink fieldCode="DE" term="%22Nanosilicon%22">Nanosilicon</searchLink><br /><searchLink fieldCode="DE" term="%22Heavy+metals%22">Heavy metals</searchLink><br /><searchLink fieldCode="DE" term="%22Sustainability%22">Sustainability</searchLink>
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  Label: Abstract
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  Data: This study explores the development of a 3D‐printed water filter coated with modified nanosilica for the efficient removal of Cu(II) ions from aqueous solutions. The nanosilica was first incorporated into a resin before being applied as a coating on the filter. The filter's performance was evaluated under varying conditions, including initial Cu(II) concentrations (50, 100, and 150 ppm), temperatures (30°C and 60°C), and a contact time of 120 min, focusing on adsorption capacity and reusability. The results demonstrated that nanosilica modification significantly enhanced the filter's adsorption efficiency, achieving removal rates between 78% and 81%. The highest efficiency, 81.14%, was observed at 60°C and 100 ppm Cu(II). Temperature showed minimal influence on removal efficiency within the tested range, while the initial Cu(II) concentration had a significant impact on adsorption capacity. The adsorption process followed the Langmuir isotherm model, indicating a monolayer adsorption mechanism with strong affinity for Cu(II) ions. Additionally, the modified filter exhibited excellent reusability, maintaining consistent performance across multiple adsorption cycles. These findings suggest that the nanosilica‐coated 3D‐printed filter offers a promising and sustainable solution for the removal of heavy metals from wastewater. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Chemical Engineering (1687806X) 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: 10.1155/ijce/9957697
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        Text: English
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      – SubjectFull: Copper ions
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      – SubjectFull: Wastewater treatment
        Type: general
      – SubjectFull: Adsorption capacity
        Type: general
      – SubjectFull: Nanosilicon
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      – SubjectFull: Heavy metals
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      – SubjectFull: Sustainability
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      – TitleFull: Nanosilica‐Coated 3D‐Printed Filters for Efficient Cu(II) Removal From Water: Adsorption Behavior and Reusability.
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              M: 01
              Text: 1/11/2026
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              Y: 2026
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