The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution
Selective extraction of low-concentration thorium (Th(IV)) from wastewater is a very important research topic. In this paper, amidoxime cellulose was synthesized, and its composition and structure were characterized by FT-IR, SEM, XPS, and elemental analysis. The adsorption experiment results showed...
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| Format: | Article |
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MDPI AG
2022-06-01
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| Series: | Gels |
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| Online Access: | https://www.mdpi.com/2310-2861/8/6/378 |
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| author | Yiling Zhi Guojian Duan Zhiwei Lei Hui Chen Haobo Zhang Huining Tian Tonghuan Liu |
| author_facet | Yiling Zhi Guojian Duan Zhiwei Lei Hui Chen Haobo Zhang Huining Tian Tonghuan Liu |
| author_sort | Yiling Zhi |
| collection | DOAJ |
| description | Selective extraction of low-concentration thorium (Th(IV)) from wastewater is a very important research topic. In this paper, amidoxime cellulose was synthesized, and its composition and structure were characterized by FT-IR, SEM, XPS, and elemental analysis. The adsorption experiment results showed that the adsorption reaction was a spontaneous exothermic process. When the solid–liquid ratio was 0.12 g/L and the pH value was 3.5, the adsorption percentage of the Th(IV) in water onto amidoxime-functionalized cellulose (AO-CELL) could reach over 80%. The maximum adsorption capacity can reach to 450 mg/g. At the same time, the adsorption selectivity, desorption process and reusability of the material were also studied. The results showed that the AO-CELL had a good selectivity for Th(IV) in the system with Sr<sup>2+</sup>, Cu<sup>2+</sup>, Mg<sup>2+</sup>, Zn<sup>2+</sup>, Pb<sup>2+</sup>, Ni<sup>2+</sup>, and Co<sup>2+</sup> as co-ions. In the nitric acid concentration of 0.06 mol/L system, the AO-CELL desorption rate of Th(IV) can reach 95%, and the adsorption rate of Th(IV) in aqueous solution of AO-CELL is still above 60% when the AO-CELL is reused four times. The above results show that the amidoxime cellulose adsorption material synthesized by our research group has good selective adsorption performance for Th(IV) of a low concentration in an aqueous solution and has a good practical application value. |
| first_indexed | 2024-03-09T23:45:19Z |
| format | Article |
| id | doaj.art-f3bc85bef985434f92810133fa59dc4b |
| institution | Directory Open Access Journal |
| issn | 2310-2861 |
| language | English |
| last_indexed | 2024-03-09T23:45:19Z |
| publishDate | 2022-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Gels |
| spelling | doaj.art-f3bc85bef985434f92810133fa59dc4b2023-11-23T16:45:52ZengMDPI AGGels2310-28612022-06-018637810.3390/gels8060378The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous SolutionYiling Zhi0Guojian Duan1Zhiwei Lei2Hui Chen3Haobo Zhang4Huining Tian5Tonghuan Liu6Northwest Collaborative Innovation Center for Traditional Chinese Medicine Co-Constructed by Gansu Province & MOE of PRC, College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaNorthwest Collaborative Innovation Center for Traditional Chinese Medicine Co-Constructed by Gansu Province & MOE of PRC, College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaRadiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, ChinaNorthwest Collaborative Innovation Center for Traditional Chinese Medicine Co-Constructed by Gansu Province & MOE of PRC, College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaNorthwest Collaborative Innovation Center for Traditional Chinese Medicine Co-Constructed by Gansu Province & MOE of PRC, College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaNorthwest Collaborative Innovation Center for Traditional Chinese Medicine Co-Constructed by Gansu Province & MOE of PRC, College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou 730000, ChinaRadiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, ChinaSelective extraction of low-concentration thorium (Th(IV)) from wastewater is a very important research topic. In this paper, amidoxime cellulose was synthesized, and its composition and structure were characterized by FT-IR, SEM, XPS, and elemental analysis. The adsorption experiment results showed that the adsorption reaction was a spontaneous exothermic process. When the solid–liquid ratio was 0.12 g/L and the pH value was 3.5, the adsorption percentage of the Th(IV) in water onto amidoxime-functionalized cellulose (AO-CELL) could reach over 80%. The maximum adsorption capacity can reach to 450 mg/g. At the same time, the adsorption selectivity, desorption process and reusability of the material were also studied. The results showed that the AO-CELL had a good selectivity for Th(IV) in the system with Sr<sup>2+</sup>, Cu<sup>2+</sup>, Mg<sup>2+</sup>, Zn<sup>2+</sup>, Pb<sup>2+</sup>, Ni<sup>2+</sup>, and Co<sup>2+</sup> as co-ions. In the nitric acid concentration of 0.06 mol/L system, the AO-CELL desorption rate of Th(IV) can reach 95%, and the adsorption rate of Th(IV) in aqueous solution of AO-CELL is still above 60% when the AO-CELL is reused four times. The above results show that the amidoxime cellulose adsorption material synthesized by our research group has good selective adsorption performance for Th(IV) of a low concentration in an aqueous solution and has a good practical application value.https://www.mdpi.com/2310-2861/8/6/378adsorptionamidoximecelluloseTh(IV) |
| spellingShingle | Yiling Zhi Guojian Duan Zhiwei Lei Hui Chen Haobo Zhang Huining Tian Tonghuan Liu The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution Gels adsorption amidoxime cellulose Th(IV) |
| title | The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution |
| title_full | The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution |
| title_fullStr | The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution |
| title_full_unstemmed | The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution |
| title_short | The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution |
| title_sort | study of amidoxime functionalized cellulose separate th iv from aqueous solution |
| topic | adsorption amidoxime cellulose Th(IV) |
| url | https://www.mdpi.com/2310-2861/8/6/378 |
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