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The Adsorption Performance of Chitosan Derived from Waste Lobster Shells on Aluminum (Al3+), Nickel (Ni2+), and Lead (Pb2+).

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Title: The Adsorption Performance of Chitosan Derived from Waste Lobster Shells on Aluminum (Al3+), Nickel (Ni2+), and Lead (Pb2+).
Authors: Temiz, Ahmet Emin1 (AUTHOR), Ozyalcin, Zehra Ozden1 (AUTHOR), Senberber Dumanli, Fatma Tugce2 (AUTHOR), Tugrul, Nurcan1 (AUTHOR), Moroydor Derun, Emek1 (AUTHOR), Kipcak, Azmi Seyhun1 (AUTHOR) skipcak@yildiz.edu.tr
Source: Water, Air & Soil Pollution. May2026, Vol. 237 Issue 10, p1-16. 16p.
Subject Terms: *Metals removal (Sewage purification), *Lead removal (Water purification), *Nickel, Chitosan, Adsorption kinetics, Physisorption, Adsorption isotherms, Seashells
Abstract: This study investigates the adsorption behavior of chitosan derived from waste lobster shells toward aqueous systems containing aluminum (Al3+), nickel (Ni2+), and lead (Pb2+), and evaluates the removal behavior using isotherm and kinetic modeling approaches. Chitosan production yield was determined gravimetrically, and material characterization was confirmed through Fourier-transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). Batch experiments were conducted using aqueous solutions prepared at initial concentrations of 30, 50, and 70 ppm within a pH range of 4.5–5.0, at 25 °C. Solution-phase changes during adsorption experiments were monitored using UV–Vis spectrophotometry under controlled single-metal conditions. The obtained adsorption capacities, therefore, represent apparent adsorption capacities based on spectrophotometrically monitored concentration changes, allowing comparative evaluation of removal behavior. Isotherm modeling showed that the Langmuir model provided the best fit to the experimental data, suggesting removal behavior consistent with monolayer-type adsorption assumptions. The Al3+ system exhibited the highest apparent adsorption capacity (125 mg/g), followed by Ni2+ (46.51 mg/g) and Pb2+ (49.26 mg/g). Kinetic analysis indicated that the pseudo-second-order model best described the uptake behavior under the studied conditions. These findings demonstrate that lobster-shell-derived chitosan exhibits strong comparative removal performance in metal-containing aqueous systems, particularly in the Al3+ system, under controlled laboratory conditions. [ABSTRACT FROM AUTHOR]
Copyright of Water, Air & Soil Pollution is the property of Springer Nature 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: The Adsorption Performance of Chitosan Derived from Waste Lobster Shells on Aluminum (Al<superscript>3+</superscript>), Nickel (Ni<superscript>2+</superscript>), and Lead (Pb<superscript>2+</superscript>).
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  Data: <searchLink fieldCode="AR" term="%22Temiz%2C+Ahmet+Emin%22">Temiz, Ahmet Emin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ozyalcin%2C+Zehra+Ozden%22">Ozyalcin, Zehra Ozden</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Senberber+Dumanli%2C+Fatma+Tugce%22">Senberber Dumanli, Fatma Tugce</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tugrul%2C+Nurcan%22">Tugrul, Nurcan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moroydor+Derun%2C+Emek%22">Moroydor Derun, Emek</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kipcak%2C+Azmi+Seyhun%22">Kipcak, Azmi Seyhun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> skipcak@yildiz.edu.tr</i>
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  Data: <searchLink fieldCode="JN" term="%22Water%2C+Air+%26+Soil+Pollution%22">Water, Air & Soil Pollution</searchLink>. May2026, Vol. 237 Issue 10, p1-16. 16p.
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  Data: *<searchLink fieldCode="DE" term="%22Metals+removal+%28Sewage+purification%29%22">Metals removal (Sewage purification)</searchLink><br />*<searchLink fieldCode="DE" term="%22Lead+removal+%28Water+purification%29%22">Lead removal (Water purification)</searchLink><br />*<searchLink fieldCode="DE" term="%22Nickel%22">Nickel</searchLink><br /><searchLink fieldCode="DE" term="%22Chitosan%22">Chitosan</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+kinetics%22">Adsorption kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Physisorption%22">Physisorption</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+isotherms%22">Adsorption isotherms</searchLink><br /><searchLink fieldCode="DE" term="%22Seashells%22">Seashells</searchLink>
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  Label: Abstract
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  Data: This study investigates the adsorption behavior of chitosan derived from waste lobster shells toward aqueous systems containing aluminum (Al3+), nickel (Ni2+), and lead (Pb2+), and evaluates the removal behavior using isotherm and kinetic modeling approaches. Chitosan production yield was determined gravimetrically, and material characterization was confirmed through Fourier-transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). Batch experiments were conducted using aqueous solutions prepared at initial concentrations of 30, 50, and 70 ppm within a pH range of 4.5–5.0, at 25 °C. Solution-phase changes during adsorption experiments were monitored using UV–Vis spectrophotometry under controlled single-metal conditions. The obtained adsorption capacities, therefore, represent apparent adsorption capacities based on spectrophotometrically monitored concentration changes, allowing comparative evaluation of removal behavior. Isotherm modeling showed that the Langmuir model provided the best fit to the experimental data, suggesting removal behavior consistent with monolayer-type adsorption assumptions. The Al3+ system exhibited the highest apparent adsorption capacity (125 mg/g), followed by Ni2+ (46.51 mg/g) and Pb2+ (49.26 mg/g). Kinetic analysis indicated that the pseudo-second-order model best described the uptake behavior under the studied conditions. These findings demonstrate that lobster-shell-derived chitosan exhibits strong comparative removal performance in metal-containing aqueous systems, particularly in the Al3+ system, under controlled laboratory conditions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Water, Air & Soil Pollution is the property of Springer Nature 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: 10.1007/s11270-026-09296-5
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        Text: English
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      – SubjectFull: Metals removal (Sewage purification)
        Type: general
      – SubjectFull: Lead removal (Water purification)
        Type: general
      – SubjectFull: Nickel
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      – SubjectFull: Chitosan
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      – SubjectFull: Adsorption kinetics
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      – SubjectFull: Physisorption
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      – SubjectFull: Adsorption isotherms
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      – SubjectFull: Seashells
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      – TitleFull: The Adsorption Performance of Chitosan Derived from Waste Lobster Shells on Aluminum (Al3+), Nickel (Ni2+), and Lead (Pb2+).
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              M: 05
              Text: May2026
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