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

被引：0
|
作者：
K. A. Ali
M. I. Wahba
R. E. Abou-Zeid
S. Kamel
机构：
[1] National Research Centre,Center of Excellence, Advanced Material and Nanotechnology Group
[2] National Research Centre,Applied Organic Chemistry Department
[3] National Research Centre,Department of Chemistry of Natural and Microbial Products
[4] National Research Centre,Cellulose and Paper Department
来源：
International Journal of Environmental Science and Technology | 2019年 / 16卷
关键词：
Biopolymers; Carrageenan; Heavy Metal Chelation; Nanocellulosic Materials;
D O I：
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中图分类号：
学科分类号：
摘要：
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.
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页码：5569 / 5576
页数：7
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