Journal article
Phytic acid-modified carboxymethyl cellulose hydrogel for uranium adsorption from aqueous solutions
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, v 256, 128545
Jan 2024
PMID: 38043668
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Phytic acid-modified carboxymethyl cellulose (CMC-PA) has been investigated as a promising adsorbent for the removal of uranium from aqueous solutions. The synthesis of CMC-PA involves the hydrogen bonding interaction between CMC and PA, resulting in the incorporation of PA groups onto the cellulose backbone. The hydrophi-licity, reusability and adsorption capacity of the prepared CMC-PA hydrogel have improved with the increase of PA content. Moreover, the adsorption experiments were conducted by varying parameters such as pH, initial uranium concentration, and contact time. The results showed that CMC-PA exhibited excellent uranium adsorption performance, with a theoretical maximum adsorption capacity of 436 mg/g. In addition, the material exhibits excellent reusability, and the reusability improves with the increase of crosslinking density, indicating that the crosslinking structure of the polymer gel can effectively enhance the structural stability of the material. Furthermore, CMC-PA also exhibits high selective adsorption performance towards uranium ions in the presence of various competing ions. Its high adsorption capacity, reusability, and selectivity make it a promising candidate for high-performance uranium ion adsorbents.
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Details
- Title
- Phytic acid-modified carboxymethyl cellulose hydrogel for uranium adsorption from aqueous solutions
- Publication Details
- INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, v 256, 128545
- Publisher
- ELSEVIER; AMSTERDAM
- Grant note
- The authors are grateful for the financial support of the National Natural Science Foundation of China (52162024) , the Training Program for Academic and Technical Leaders of Major Disciplines of Jiangxi Province (No. 20225BCJ22008) , the Natural Science Foundation of Jiangxi (20202BABL213011) and the Opening Project of Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices (PMND202201) .
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:001132466400001
- Scopus ID
- 2-s2.0-85178495032
- Other Identifier
- 991021861172104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Biochemistry & Molecular Biology
- Chemistry, Applied
- Polymer Science