Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process

Alma Shehu; Majlinda Vasjari; Sonila Duka; Loreta Vallja; Nevila Broli

doi:doi:10.11648/j.ajep.20231203.11

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Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process

Alma Shehu, Majlinda Vasjari, Sonila Duka, Loreta Vallja, Nevila Broli

Published in American Journal of Environmental Protection (Volume 12, Issue 3)

Received: 5 November 2022 Accepted: 23 February 2023 Published: 18 May 2023

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Abstract

In the present study, the efficacy of chromium removal from water media was studied. For this purpose, a metal oxide based material, derived from the enrichment process of quartz coastal sand was used as possible adsorbent of chromium (III) ions. Following additional modification of the adsorbent, the effect of operational parameters including pH, contact time and Cr(III) concentration were studied according to one-factor-at-a-time procedure. Adsorption efficacy was assessed by the measurement of the remaining chromium concentration in solution, after adsorption. Atomic absorption spectroscopy technique, with flame atomization was used for the determination of chromium concentration in solution. Obtained results revealed that selected material exhibited higher adsorption efficacy in alkaline solution (pH = 6-9). The maximum removal efficacy (>93%) was achieved after 180 minutes of contact time, with an adsorbent dosage of 5 g/L and initial chromium concentration 20 mg/L. The adsorption process for Cr(III) follow the Freundlich isotherm and gives high correlation coefficient R². Calculations performed based on the Langmuir isotherm showed that the maximum adsorption efficiency of Cr³⁺ in the natural metal-oxide material has resulted 10 mg/g or 10000 μg/g. Pseudo second order reaction kinetics has provided a realistic description for removal of Cr(III) from solution with high correlation coefficient R² of (0.999). The adsorption isotherms were better described by the Freundlich equation (R² = 0.934). Adsorption of trivalent chromium ions onto selected material followed the pseudo second order model (R² = 0.996). Hence, the residual materials derived from the enrichment processes of quartz sand can be used as alternative adsorbent for the removal of trivalent chromium ions from aqueous solutions.

Published in	American Journal of Environmental Protection (Volume 12, Issue 3)
DOI	10.11648/j.ajep.20231203.11
Page(s)	58-65
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2023. Published by Science Publishing Group

Keywords

Metal Oxide, Chromium (III), Adsorption Efficacy, Adsorption Isotherms, Batch Experiments, AAS Technique

References

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Alma Shehu, Majlinda Vasjari, Sonila Duka, Loreta Vallja, Nevila Broli. (2023). Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process. American Journal of Environmental Protection, 12(3), 58-65. https://doi.org/10.11648/j.ajep.20231203.11

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ACS Style

Alma Shehu; Majlinda Vasjari; Sonila Duka; Loreta Vallja; Nevila Broli. Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process. Am. J. Environ. Prot. 2023, 12(3), 58-65. doi: 10.11648/j.ajep.20231203.11

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AMA Style

Alma Shehu, Majlinda Vasjari, Sonila Duka, Loreta Vallja, Nevila Broli. Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process. Am J Environ Prot. 2023;12(3):58-65. doi: 10.11648/j.ajep.20231203.11

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@article{10.11648/j.ajep.20231203.11,
  author = {Alma Shehu and Majlinda Vasjari and Sonila Duka and Loreta Vallja and Nevila Broli},
  title = {Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process},
  journal = {American Journal of Environmental Protection},
  volume = {12},
  number = {3},
  pages = {58-65},
  doi = {10.11648/j.ajep.20231203.11},
  url = {https://doi.org/10.11648/j.ajep.20231203.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20231203.11},
  abstract = {In the present study, the efficacy of chromium removal from water media was studied. For this purpose, a metal oxide based material, derived from the enrichment process of quartz coastal sand was used as possible adsorbent of chromium (III) ions. Following additional modification of the adsorbent, the effect of operational parameters including pH, contact time and Cr(III) concentration were studied according to one-factor-at-a-time procedure. Adsorption efficacy was assessed by the measurement of the remaining chromium concentration in solution, after adsorption. Atomic absorption spectroscopy technique, with flame atomization was used for the determination of chromium concentration in solution. Obtained results revealed that selected material exhibited higher adsorption efficacy in alkaline solution (pH = 6-9). The maximum removal efficacy (>93%) was achieved after 180 minutes of contact time, with an adsorbent dosage of 5 g/L and initial chromium concentration 20 mg/L. The adsorption process for Cr(III) follow the Freundlich isotherm and gives high correlation coefficient R2. Calculations performed based on the Langmuir isotherm showed that the maximum adsorption efficiency of Cr3+ in the natural metal-oxide material has resulted 10 mg/g or 10000 μg/g. Pseudo second order reaction kinetics has provided a realistic description for removal of Cr(III) from solution with high correlation coefficient R2 of (0.999). The adsorption isotherms were better described by the Freundlich equation (R2 = 0.934). Adsorption of trivalent chromium ions onto selected material followed the pseudo second order model (R2 = 0.996). Hence, the residual materials derived from the enrichment processes of quartz sand can be used as alternative adsorbent for the removal of trivalent chromium ions from aqueous solutions.},
 year = {2023}
}

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TY - JOUR
T1 - Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process
AU - Alma Shehu
AU - Majlinda Vasjari
AU - Sonila Duka
AU - Loreta Vallja
AU - Nevila Broli
Y1 - 2023/05/18
PY - 2023
N1 - https://doi.org/10.11648/j.ajep.20231203.11
DO - 10.11648/j.ajep.20231203.11
T2 - American Journal of Environmental Protection
JF - American Journal of Environmental Protection
JO - American Journal of Environmental Protection
SP - 58
EP - 65
PB - Science Publishing Group
SN - 2328-5699
UR - https://doi.org/10.11648/j.ajep.20231203.11
AB - In the present study, the efficacy of chromium removal from water media was studied. For this purpose, a metal oxide based material, derived from the enrichment process of quartz coastal sand was used as possible adsorbent of chromium (III) ions. Following additional modification of the adsorbent, the effect of operational parameters including pH, contact time and Cr(III) concentration were studied according to one-factor-at-a-time procedure. Adsorption efficacy was assessed by the measurement of the remaining chromium concentration in solution, after adsorption. Atomic absorption spectroscopy technique, with flame atomization was used for the determination of chromium concentration in solution. Obtained results revealed that selected material exhibited higher adsorption efficacy in alkaline solution (pH = 6-9). The maximum removal efficacy (>93%) was achieved after 180 minutes of contact time, with an adsorbent dosage of 5 g/L and initial chromium concentration 20 mg/L. The adsorption process for Cr(III) follow the Freundlich isotherm and gives high correlation coefficient R2. Calculations performed based on the Langmuir isotherm showed that the maximum adsorption efficiency of Cr3+ in the natural metal-oxide material has resulted 10 mg/g or 10000 μg/g. Pseudo second order reaction kinetics has provided a realistic description for removal of Cr(III) from solution with high correlation coefficient R2 of (0.999). The adsorption isotherms were better described by the Freundlich equation (R2 = 0.934). Adsorption of trivalent chromium ions onto selected material followed the pseudo second order model (R2 = 0.996). Hence, the residual materials derived from the enrichment processes of quartz sand can be used as alternative adsorbent for the removal of trivalent chromium ions from aqueous solutions.
VL - 12
IS - 3
ER -

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Author Information

Alma Shehu

Faculty of Natural Sciences, University of Tirana, Tirana, Albania
Majlinda Vasjari

Faculty of Natural Sciences, University of Tirana, Tirana, Albania
Sonila Duka

Faculty of Natural Sciences, University of Tirana, Tirana, Albania
Loreta Vallja

Faculty of Natural Sciences, University of Tirana, Tirana, Albania
Nevila Broli

Faculty of Natural Sciences, University of Tirana, Tirana, Albania

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Alma Shehu, Majlinda Vasjari, Sonila Duka, Loreta Vallja, Nevila Broli. (2023). Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process. American Journal of Environmental Protection, 12(3), 58-65. https://doi.org/10.11648/j.ajep.20231203.11

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Alma Shehu; Majlinda Vasjari; Sonila Duka; Loreta Vallja; Nevila Broli. Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process. Am. J. Environ. Prot. 2023, 12(3), 58-65. doi: 10.11648/j.ajep.20231203.11

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AMA Style

Alma Shehu, Majlinda Vasjari, Sonila Duka, Loreta Vallja, Nevila Broli. Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process. Am J Environ Prot. 2023;12(3):58-65. doi: 10.11648/j.ajep.20231203.11

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@article{10.11648/j.ajep.20231203.11,
  author = {Alma Shehu and Majlinda Vasjari and Sonila Duka and Loreta Vallja and Nevila Broli},
  title = {Study of the Adsorption Efficacy of Cr(III) on a Metal Oxide-Based Material Derived from the Quartz Sand Enrichment Process},
  journal = {American Journal of Environmental Protection},
  volume = {12},
  number = {3},
  pages = {58-65},
  doi = {10.11648/j.ajep.20231203.11},
  url = {https://doi.org/10.11648/j.ajep.20231203.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20231203.11},
  abstract = {In the present study, the efficacy of chromium removal from water media was studied. For this purpose, a metal oxide based material, derived from the enrichment process of quartz coastal sand was used as possible adsorbent of chromium (III) ions. Following additional modification of the adsorbent, the effect of operational parameters including pH, contact time and Cr(III) concentration were studied according to one-factor-at-a-time procedure. Adsorption efficacy was assessed by the measurement of the remaining chromium concentration in solution, after adsorption. Atomic absorption spectroscopy technique, with flame atomization was used for the determination of chromium concentration in solution. Obtained results revealed that selected material exhibited higher adsorption efficacy in alkaline solution (pH = 6-9). The maximum removal efficacy (>93%) was achieved after 180 minutes of contact time, with an adsorbent dosage of 5 g/L and initial chromium concentration 20 mg/L. The adsorption process for Cr(III) follow the Freundlich isotherm and gives high correlation coefficient R2. Calculations performed based on the Langmuir isotherm showed that the maximum adsorption efficiency of Cr3+ in the natural metal-oxide material has resulted 10 mg/g or 10000 μg/g. Pseudo second order reaction kinetics has provided a realistic description for removal of Cr(III) from solution with high correlation coefficient R2 of (0.999). The adsorption isotherms were better described by the Freundlich equation (R2 = 0.934). Adsorption of trivalent chromium ions onto selected material followed the pseudo second order model (R2 = 0.996). Hence, the residual materials derived from the enrichment processes of quartz sand can be used as alternative adsorbent for the removal of trivalent chromium ions from aqueous solutions.},
 year = {2023}
}

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