Development of carrageenan modified with nanocellulose-based materials in removing of Cu2+, Pb2+, Ca2+, Mg2+, and Fe2+

  • K. A. AliEmail author
  • M. I. Wahba
  • R. E. Abou-Zeid
  • S. Kamel
Original Paper


Different bio-polymeric matrixes of carrageenan and modified carrageenan with cellulosic nonmaterials were prepared in the form of beads. The nanocellulosic materials were prepared from dissolved bagasse pulp and include cellulose nanocrystals, cellulose nanofibers and tricarboxy cellulose nanofibers. The prepared bio-polymeric matrixes were characterized with transmission electron microscopy, FTIR, X-ray diffraction and scanning electron microscope. The capabilities of carrageenan and modified carrageenan beads to chelate with several metal cations were evaluated. Interestingly, the modification of carrageenan with cellulose nanoparticles obtained high efficiency toward removing Cu2+, Pb2+, Ca2+, Mg2+, and Fe2+. The modified carrageenan with tricarboxy cellulose nanofibers which has higher carboxylate content showed high removal efficiency rather than the other modifications.


Biopolymers Carrageenan Heavy Metal Chelation Nanocellulosic Materials 





Cellulose nanocrystals


Cellulose nanofibers


Tricarboxy cellulose nanofibers


Transmission electron microscopy


X-ray diffraction


Scanning electron microscope



The authors acknowledge the Science and Technology Development Fund (STDF), Egypt, for financial support of the research activities related to project; Project ID 15203.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interests.


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Copyright information

© Islamic Azad University (IAU) 2018

Authors and Affiliations

  • K. A. Ali
    • 1
    • 2
    Email author
  • M. I. Wahba
    • 1
    • 3
  • R. E. Abou-Zeid
    • 4
  • S. Kamel
    • 4
  1. 1.Center of Excellence, Advanced Material and Nanotechnology GroupNational Research CentreDokki, GizaEgypt
  2. 2.Applied Organic Chemistry DepartmentNational Research CentreDokki, GizaEgypt
  3. 3.Department of Chemistry of Natural and Microbial ProductsNational Research CentreDokki, GizaEgypt
  4. 4.Cellulose and Paper DepartmentNational Research CentreDokki, GizaEgypt

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