Startseite Naturwissenschaften Evaluating SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate) composite as a novel adsorbent for cobalt(II) radionuclides
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Evaluating SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate) composite as a novel adsorbent for cobalt(II) radionuclides

  • Amr M. Emara , Emad M. Elsharma , Islam M. Abdelmonem ORCID logo EMAIL logo und Mamdoh R. Mahmoud
Veröffentlicht/Copyright: 4. Juni 2024
Radiochimica Acta
Aus der Zeitschrift Radiochimica Acta Band 112 Heft 10

Abstract

A novel SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate), SiO2/Al2O3/P(AA-co-GMA), composite was synthesized and evaluated for its effectiveness in adsorbing Co(II) ions from aqueous solutions. The composite was analyzed using various techniques including FTIR, SEM, TGA, DTA, and XRD. The composite displays a high specific surface area of 17.451 m2/g, exceeding that of the corresponding copolymer, which measures 0.236 m2/g. Batch adsorption experiments were conducted to investigate the factors influencing the adsorption capacity of the composite for Co(II) ions. In the pH experiments, it was found that at a solution pH of 3.4, the P(AA-co-GMA) copolymer alone showed limited capability in adsorbing Co(II) ions, achieving only 3.82 mg/g. However, upon integration of SiO2/Al2O3 into the polymer matrix, the composite exhibited a significantly enhanced adsorption capacity of 103.54 mg/g. The adsorption process followed a pseudo-second-order kinetic model and attained equilibrium within 60 min. The Langmuir isotherm model was found to best describe the adsorption behavior, with a maximum adsorption capacity of 217.86 mg/g. The adsorption of Co(II) was significantly affected by the ionic strength, especially with Al3+ displaying a more pronounced impact on the adsorption of Co(II) ions compared to Na+, Ca2+, and Mg2+. Thermodynamic studies indicate that the adsorption process was spontaneous and endothermic. Overall, the SiO2/Al2O3/P(AA-co-GMA) composite material displayed significant adsorption ability for Co(II) ions, making it a suitable option for further development as an effective adsorbent in water treatment applications.

Keywords: bentonite; polyacrylic acid; polyglycidyl methacrylate; composite; adsorption; Co(II) radionuclides
Corresponding author: Islam M. Abdelmonem, Nuclear Chemistry Department, Hot Laboratories Center, Egyptian Atomic Energy Authority, Cairo, 13759, Egypt, E-mail:

  1. Research ethics: Not applicable.

  2. Author contributions: All persons who meet authorship criteria are listed as authors, and all authors certify that they have participated sufficiently in the work to take public responsibility for the content, including participation in the concept, design, analysis, writing, or revision of the manuscript. Furthermore, each author certifies that this material or similar material has not been and will not be submitted to or published in any other publication before its appearance in Radiochimica Acta. Category 1: Conception and design of study: Islam M. Abdelmonem, Emad M. El-Sharma, Amr M. Emara, Mamdoh R. Mahmoud; Acquisition of data: Islam M. Abdelmonem, Emad M. El-Sharma, Amr M. Emara, Mamdoh R. Mahmoud; Analysis and/or interpretation of data: Islam M. Abdelmonem; Category 2: Drafting the manuscript: Islam M. Abdelmonem; Revising the manuscript critically for important intellectual content: Islam M. Abdelmonem, Emad M. El-Sharma, Amr M. Emara, Mamdoh R. Mahmoud; Category 3: Approval of the version of the manuscript to be published: Islam M. Abdelmonem. The author(s) have (has) accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The author(s) state(s) no conflict of interest.

  4. Research funding: None declared.

  5. Data availability: Not applicable.

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Received: 2023-11-04
Accepted: 2024-05-22
Published Online: 2024-06-04
Published in Print: 2024-10-28

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Original Papers
  3. Migration study of uranium in Beishan granite by the continuous column method
  4. Process development studies on the recovery of caesium specific calix-crown-6 extractant from actual spent calix solution for efficient spent solvent management
  5. Evaluating SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate) composite as a novel adsorbent for cobalt(II) radionuclides
  6. Investigation of radioactivity concentrations and soil-to-plant transfer factors in soil samples taken from different distance zones to the Metsamor nuclear power plant
  7. Sorption behavior of low specific activity 99Mo on Ti- and Zr-xerogels as an alternative to fission-based 99Mo/99mTc generators
  8. Application of INAA technique for analysis of essential and toxic elements in two Algerian plants Cynodon dactylon L. and Phragmites australis
  9. Hydrodynamic study of a flow-rig column by means of a radiotracer technique modelling with DTS-Pro 4
  10. On transfer factors of natural radionuclides and radiological health risks assessment of some fruit samples
  11. New lead barium borate glass system for radiation shielding applications: impacts of copper (II) oxide on physical, mechanical, and gamma-ray attenuation properties
https://doi.org/10.1515/ract-2023-0243
Schlagwörter für diesen Artikel
bentonite; polyacrylic acid; polyglycidyl methacrylate; composite; adsorption; Co(II) radionuclides

Artikel in diesem Heft

  1. Frontmatter
  2. Original Papers
  3. Migration study of uranium in Beishan granite by the continuous column method
  4. Process development studies on the recovery of caesium specific calix-crown-6 extractant from actual spent calix solution for efficient spent solvent management
  5. Evaluating SiO2/Al2O3/poly(acrylic acid-co-glycidyl methacrylate) composite as a novel adsorbent for cobalt(II) radionuclides
  6. Investigation of radioactivity concentrations and soil-to-plant transfer factors in soil samples taken from different distance zones to the Metsamor nuclear power plant
  7. Sorption behavior of low specific activity 99Mo on Ti- and Zr-xerogels as an alternative to fission-based 99Mo/99mTc generators
  8. Application of INAA technique for analysis of essential and toxic elements in two Algerian plants Cynodon dactylon L. and Phragmites australis
  9. Hydrodynamic study of a flow-rig column by means of a radiotracer technique modelling with DTS-Pro 4
  10. On transfer factors of natural radionuclides and radiological health risks assessment of some fruit samples
  11. New lead barium borate glass system for radiation shielding applications: impacts of copper (II) oxide on physical, mechanical, and gamma-ray attenuation properties
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