Selective Adsorption of U(Ⅵ) onto Ion-imprinted Chitosan/Carbon Nanotube Composite Membrane

YU Hailan; ZHOU Limin; TANG Xiaohuan; SUN Guoquan; LIU Zhirong; WANG Yiping

doi:10.7538/yzk.2022.youxian.0072

Atomic Energy Science and Technology > 2023 > 57(1): 23-33. > DOI: 10.7538/yzk.2022.youxian.0072

YU Hailan, ZHOU Limin, TANG Xiaohuan, SUN Guoquan, LIU Zhirong, WANG Yiping. Selective Adsorption of U(Ⅵ) onto Ion-imprinted Chitosan/Carbon Nanotube Composite Membrane[J]. Atomic Energy Science and Technology, 2023, 57(1): 23-33. DOI: 10.7538/yzk.2022.youxian.0072

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Selective Adsorption of U(Ⅵ) onto Ion-imprinted Chitosan/Carbon Nanotube Composite Membrane

State Key Laboratory for Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
School of Chemistry and Chemical Engineering, Tianjin University, Tianjin 300072, China

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Abstract

The uranium-containing wastewater produced from uranium ore mining and uranium separation/purification processes may present a serious pollution to environment and ecosystem. The separation of U(Ⅵ) from uranium-containing wastewater by adsorption can not only effectively recover uranium resources, but also reduce environmental pollution. For the high-efficiency separation of U(Ⅵ) in uranium-containing wastewater, the ion-imprinted chitosan/carbon (ICC) nanotube composite membranes were prepared by combining ion-imprinted and chemical cross-linking technologies, and the adsorption performance of ICC for U(Ⅵ) in aqueous solution was investigated by static adsorption method. The results of comprehensive characterization such as SEM, XRD, FT-IR and XPS suggest that the ICC has a porous structure and abundant functional groups (amino, carboxyl), and the CNT is uniformly dispersed in the chitosan matrix. The results of adsorption experiments show that among the ICC prepared with different mass ratios of raw materials, ICC-2 with a mass ratio of CS to CNT of 1∶0.3 has the best adsorption performance for U(Ⅵ), owing to its rich pore structure and the presence of abundant cavities produced by ion-imprinted which can match with uranyl ions and thus are favorable for the adsorption of U(Ⅵ). The adsorption isotherms could be fitted by the Langmuir model, indicating mono-layer adsorption of U(Ⅵ) onto ICC, and the maximumad adsorption capacity reaches 215.83 mg/g at pH=5.0 and 298 K. The adsorption kinetics could be described by the pseudo-second-order model, indicating that chemisorption is the rate-controlling step. ICC-2 could selectively remove U(Ⅵ) in aqueous solution, and the adsorption of U(Ⅵ) is a spontaneous endothermic process. The U(Ⅵ)-loaded ICC-2 could be desorbed and regenerated by 0.2 mol/L HNO3, with the desorption efficiency of 95.2%. ICC-2 could also maintain a high adsorption capacity after multiple adsorption-desorption cycles, indicating its good reusability. The XPS analysis indicates that the main mechanism for U(Ⅵ) adsorption onto ICC is related to U(Ⅵ) chelation by the functional groups, which accounts for 73.6% of total U(Ⅵ) adsorption. The ICC-2 presents high adsorption capacity, fast adsorption rate, and good selectivity for U(Ⅵ), and thus it could be potentially used for the effective treatment of radioactive wastewater.
- chitosan,
- carbon nanotube,
- ion-imprinted,
- U(Ⅵ) adsorption

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[1]	GALHOUM A, MAHFOUZ M, ATIA A, et al. Amino acid functionalized chitosan magnetic nanobased particles for uranyl sorption[J]. Industrial & Engineering Chemistry Research, 2015, 54(49): 12374-12385.
[2]	STAFIEJ A, PYRZYNSKA K. Adsorption of heavy metal ions with carbon nanotubes[J]. Separation and Purification Technology, 2007, 58(1): 49-52.
[3]	FAN J, SHI Z, YU G, et al. Mechanical reinforcement of chitosan using unzipped multiwalled carbon nanotube oxides[J]. Polymer, 2012, 53(2): 657-664.
[4]	HUANG Z, LI Z, ZHENG L, et al. Interaction mechanism of uranium(Ⅵ) with three-dimensional graphene oxide-chitosan composite: Insights from batch experiments, IR, XPS, and EXAFS spectroscopy[J]. Chemical Engineering Journal, 2017, 328: 1066-1074.
[5]	ZHOU L, XU M, YIN J, et al. Dual ion-imprinted mesoporous silica for selective adsorption of U(Ⅵ) and Cs(I) through multiple interactions[J]. ACS Applied Materials & Interfaces, 2021, 13(5): 6322-6330.
[6]	MONIER M, ABDEL-LATIF D. Synthesis and characterization of ion-imprinted resin based on carboxymethyl cellulose for selective removal of UO²⁺₂[J]. Carbohydrate Polymers, 2013, 97(2): 743-752.
[7]	张硕,安鹏,文攀,等. 亲水型偕胺肟吸附剂的ARGET-ATRP可控制备及其对铀的吸附性能[J]. 原子能科学技术,2018,52(1):22-29. ZHANG Shuo, AN Peng, WEN Pan, et al. Controlled preparation of hydrophilic amidoxime adsorbent by ARGET-ATRP and its adsorbent performance to uranium[J]. Atomic Energy Science and Technology, 2018, 52(1): 22-29(in Chinese).
[8]	王慧琳,廖卫,刘军,等. 微生物质水热碳锰复合材料对铀的吸附行为研究[J]. 原子能科学技术,2019,53(7):1230-1237. WANG Huilin, LIAO Wei, LIU Jun, et al. Adsorption of uraium on microorganism-derived hydrothermal carbon manganese composites[J]. Atomic Energy Science and Technology, 2019, 53(7): 1230-1237(in Chinese).
[9]	ZHOU L, SHANG C, LIU Z, et al. Selective adsorption of uranium(Ⅵ) from aqueous solutions using the ion-imprinted magnetic chitosan resins[J]. Journal of Colloid and Interface Science, 2012, 366(1): 165-172.
[10]	YU S, TANG H, ZHANG D, et al. MXenes as emerging nanomaterials in water purification and environmental remediation[J]. Science of the Total Environment, 2021, 811: 152280.
[11]	CHENG G, ZHANG A, ZHAO Z, et al. Extremely stable amidoxime functionalized covalent organic frameworks for uranium extraction from seawater with high efficiency and selectivity[J]. Science Bulletin, 2021, 66(19): 1994-2001.
[12]	LI M, LIU H, CHEN T, et al. Efficient U(Ⅵ) adsorption on iron/carbon composites derived from the coupling of cellulose with iron oxides: Performance and mechanism[J]. Science of the Total Environment, 2020, 703: 135604.
[13]	LANGMUIR I. Adsorption of gases on glass, mica and platinum[J]. Journal of the American Chemical Society, 1918, 40(9): 1361-1403.
[14]	FREUNDLICH H. Ueber die adsorption in loesungen[J]. Zeitschrift Chemical Physics, 1907, 57(1): 385-470.
[15]	MARSH H, RAND B. The characterization of microporous carbons by means of the dubinin-radushkevich equation[J]. Journal of Colloid and Interface Science, 1970, 33(1): 101-116.
[16]	HORN J, BRANDTS J, MURPHY K. van’t Hoff and calorimetric enthalpies Ⅱ: Effects of linked equilibria[J]. Biochemistry, 2002, 41: 7501-7507.
[17]	HAMZAM F, GAMAL A, HUSSEIN G, et al. Uranium(Ⅵ) and zirconium(Ⅳ) sorption on magnetic chitosan derivatives-effect of different functional groups on separation properties[J]. Journal of Chemical Technology and Biotechnoiogy, 2019, 94: 3866-3882.
[18]	CORBETT J F. Pseudo first-order kinetics[J]. Journal of Chemical Education, 1972, 49(10): 663.
[19]	HO Y, MCKAY G. Pseudo-second order model for sorption processes[J]. Process Biochemistry, 1999, 34: 451-465.
[20]	KRISHNA R. A unified approach to the modelling of intraparticle diffusion in adsorption processes[J]. Gas Separation & Purification, 1993, 7(2): 91-104.
[21]	JIAN W, RAN M, LI L, et al. Chitosan modified molybdenum disulfide composites as adsorbents for the simultaneous removal of U(Ⅵ), Eu(Ⅲ), and Cr(Ⅵ) from aqueous solutions[J]. Cellulose, 2020, 27(3): 1635-1648.
[22]	ANIRUDHAN T S, RIJITH S. Synthesis and characterization of carboxyl terminated poly(methacrylic acid) grafted chitosan/bentonite composite and its application for the recovery of uranium(Ⅵ) from aqueous media[J]. Journal of Environmental Radioactivity, 2012, 106: 8-19.
[23]	LIU Y, CAO X, RONG H, et al. Selective adsorption of uranyl ion on ion-imprinted chitosan/PVA cross-linked hydrogel[J]. Hydrometallurgy, 2010, 104(2): 150-155.
[24]	MAHFOUZ M, GALHOUM A, GOMAA N, et al. Uranium extraction using magnetic nano-based particles of diethylenetriamine-functionalized chitosan: Equilibrium and kinetic studies[J]. Chemical Engineering Journal, 2015, 262: 198-209.

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Selective Adsorption of U(Ⅵ) onto Ion-imprinted Chitosan/Carbon Nanotube Composite Membrane

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