1
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Efficient separation of uranium from aqueous solution using sustainable biomass: an insight of adsorption isotherm and kinetics. J Radioanal Nucl Chem 2023. [DOI: 10.1007/s10967-023-08861-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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2
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Yin W, Zhao TL, Wang YH, Yao QZ, Zhou GT. Mn 3O 4@polyaniline nanocomposite with multiple active sites to capture uranium(VI) and iodide: synthesis, performance, and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:30130-30143. [PMID: 36427123 DOI: 10.1007/s11356-022-24073-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
A major challenge for radioactive wastewater treatment and associated environmental remediation is how to simultaneously remove cationic and anionic radionuclides. Herein, a series of Mn3O4@polyaniline (Mn3O4@PANI) nanocomposites were successfully prepared and used to remove U(VI) and I- from aqueous solution, two highly concomitant species in nuclear pollution settings. Batch adsorption experiments reveal that the component Mn3O4 is predominantly responsible for U(VI) removal, but PANI for I-. The nanocomposite with 24.2 wt% Mn3O4 possesses high removal percentages (> 85%) either for U(VI) or I- over a wide pH range, fast removal kinetics, and excellent adsorption selectivity at high concentrations of competing ions. Benefiting from the contributions of the two components and the high adsorption affinities, the nanocomposite achieves the simultaneous removal to coexisting U(VI) and I-, with a maximum adsorption capacity 102.6 mg/g for U(VI) and 126.1 mg/g for I-. X-ray photoelectron spectroscopy (XPS) results reveal that the U(VI) adsorption occurs via coordination bonding with Mn-O, -NH- , and =N- groups in the nanocomposite, whereas I- adsorption proceeds mainly through I anionic species exchange with Cl- and interactions with π-bonds in PANI, as well as the electrostatic attraction onto Mn3O4. Considering the excellent performance and multiple active sites, the Mn3O4@PANI nanocomposite is promising to remove practical radioactive U(VI) and I-.
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Affiliation(s)
- Wei Yin
- Deep Space Exploration Laboratory/School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Tian-Lei Zhao
- Deep Space Exploration Laboratory/School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Yu-Han Wang
- Deep Space Exploration Laboratory/School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Qi-Zhi Yao
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Gen-Tao Zhou
- Deep Space Exploration Laboratory/School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China.
- CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China.
- CAS Center for Excellence in Comparative Planetology, Hefei, 230026, China.
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Liang R, Luo J, Lin S, Li Z, Dong Z, Wu Y, Wang Y, Cao X, Meng C, Yu F, Liu Y, Zhang Z. Boosting the Photoreduction Uranium Activity for Donor–acceptor–acceptor Type Conjugated Microporous Polymers by Statistical Copolymerization. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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4
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Deshmukh P, Sar SK, Jindal MK. Plant mediated magnetic nano composite as promising scavenger's radionuclides for the efficient remediation in aqueous medium. CHEMOSPHERE 2023; 312:137246. [PMID: 36395891 DOI: 10.1016/j.chemosphere.2022.137246] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/27/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
The present investigation demonstrates the environment friendly plant mediated green synthesis of magnetic bio composite nanoparticles by the chemical co-precipitation of magnetite phase from aqueous medium. Water contaminated with uranium is one of the most serious environmental issues. This study aims to overcome this issue by effectively adsorbing uranium from water at a pH range of 7. Several studies have recently been published throughout the world that demonstrates uranium adsorption from water, although they have all been conducted in acidic media with pH less than 6. This work addressed that issue, and maximal adsorption was achieved at pH 7 using a synthetic magnetic bio composites sorbent derived from tree bark (Amla). The magnetic bio composites were characterized by FTIR, XRD, FE-SEM, and EDX. The computations of the XRD data indicated that magnetic bio composites have nano composite with an average diameter of around 12.1 nm. This has an adsorption capacity of 121.95 mg g-1. The correlation regression (r2) coefficients obtained for the various isotherm models indicate that the sorption process conformed to the Langmuir and Temkin models. Thermodynamic studies revealed that the sorption process onto plant mediated magnetic bio material is endothermic and spontaneous, which is significant for reuse and recovery of adsorbed material. A desorption test was also performed to regenerate the material by removing the adsorbed uranium (VI) by HCL with an 84.3% success rate.
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Affiliation(s)
- Poonam Deshmukh
- Department of Applied Chemistry, Bhilai Institute of Technology, Durg, 491001, India.
| | - Santosh Kumar Sar
- Department of Applied Chemistry, Bhilai Institute of Technology, Durg, 491001, India.
| | - Manoj Kumar Jindal
- Department of Applied Chemistry, Bhilai Institute of Technology, Durg, 491001, India.
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Li J, Liu W, Zhang Z, Li H, Jiang Q, Wang Y, Tang R, Xu B, Guo R, Su X, Hua R. Adsorption of uranium on amino functionalized acrylonitrile anion exchange resin. J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-022-08651-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Recent Advances and Future Perspectives of Polymer-Based Magnetic Nanomaterials for Detection and Removal of Radionuclides: A review. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Yu S, Wu X, Ye J, Li M, Zhang Q, Zhang X, Lv C, Xie W, Shi K, Liu Y. Dual Effect of Acetic Acid Efficiently Enhances Sludge-Based Biochar to Recover Uranium From Aqueous Solution. Front Chem 2022; 10:835959. [PMID: 35273949 PMCID: PMC8902313 DOI: 10.3389/fchem.2022.835959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 01/11/2022] [Indexed: 11/13/2022] Open
Abstract
Excess sludge (ES) treatment and that related to the uranium recovery from uranium-containing wastewater (UCW) are two hot topics in the field of environmental engineering. Sludge-based biochar (SBB) prepared from ES was used to recover uranium from UCW. Excellent effects were achieved when SBB was modified by acetic acid. Compared with SBB, acetic acid-modified SBB (ASBB) has shown three characteristics deserving interest: 1) high sorption efficiency, in which the sorption ratio of U(VI) was increased by as high as 35.0%; 2) fast sorption rate, as the equilibrium could be achieved within 5.0 min; 3) satisfied sorption/desorption behavior; as a matter of fact, the sorption rate of U(VI) could still be maintained at 93.0% during the test cycles. In addition, based on the test conditions and various characterization results, it emerged as a dual effect of acetic acid on the surface of SBB, i.e., to increase the porosity and add (−COOH) groups. It was revealed that U(VI) and −COO− combined in the surface aperture of ASBB via single-dentate coordination. Altogether, a new utilization mode for SBB is here proposed, as a means of efficient uranium sorption from UCW.
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Affiliation(s)
- Shoufu Yu
- University of South China, Hengyang, China
| | - Xiaoyan Wu
- University of South China, Hengyang, China
- Hengyang Key Laboratory of Soil Contamination Control and Remediation, University of South China, Hengyang, China
- Key Laboratory of Radioactive Waste Treatment and Disposal, University of South China, Hengyang, China
- *Correspondence: Xiaoyan Wu, ; Yong Liu,
| | - Jian Ye
- University of South China, Hengyang, China
- Hengyang Key Laboratory of Soil Contamination Control and Remediation, University of South China, Hengyang, China
- Key Laboratory of Radioactive Waste Treatment and Disposal, University of South China, Hengyang, China
| | - Mi Li
- University of South China, Hengyang, China
- Hengyang Key Laboratory of Soil Contamination Control and Remediation, University of South China, Hengyang, China
- Key Laboratory of Radioactive Waste Treatment and Disposal, University of South China, Hengyang, China
| | - Qiucai Zhang
- University of South China, Hengyang, China
- Decommissioning Engineering Technology Research Center of Hunan Province Uranium Tailings Reservoir, University of South China, Hengyang, China
| | - Xiaowen Zhang
- University of South China, Hengyang, China
- Hengyang Key Laboratory of Soil Contamination Control and Remediation, University of South China, Hengyang, China
- Key Laboratory of Radioactive Waste Treatment and Disposal, University of South China, Hengyang, China
| | - Chunxue Lv
- University of South China, Hengyang, China
| | - Wenjie Xie
- University of South China, Hengyang, China
| | - Keyou Shi
- University of South China, Hengyang, China
| | - Yong Liu
- University of South China, Hengyang, China
- Decommissioning Engineering Technology Research Center of Hunan Province Uranium Tailings Reservoir, University of South China, Hengyang, China
- *Correspondence: Xiaoyan Wu, ; Yong Liu,
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8
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Sun Y, Zhang H, Yuan N, Ge Y, Dai Y, Yang Z, Lu L. Phosphorylated biomass-derived porous carbon material for efficient removal of U(VI) in wastewater. JOURNAL OF HAZARDOUS MATERIALS 2021; 413:125282. [PMID: 33582468 DOI: 10.1016/j.jhazmat.2021.125282] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 01/28/2021] [Accepted: 01/28/2021] [Indexed: 06/12/2023]
Abstract
A simple strategy to prepare cost-effective adsorbent materials for the removal of U(VI) in radioactive wastewater is of great significance to environmental protection. Here, activated orange peel was used as a precursor for the synthesis of biomass charcoal, and then a phosphorylated honeycomb-like porous carbon (HLPC-PO4) material was prepared through simple phosphorylation modification. FT-IR and XPS showed that P-O-C, P-C, and P˭O bonds appeared in HLPC-PO4, indicating that the phosphorylation process is mainly the reaction of C-O bonds on the surface of the material with -PO4. The results of the batch experiments showed that the uptake equilibrium of HLPC-PO4 to U(VI) occurred within 20 min, and the kinetic simulation showed that the process was monolayer chemical adsorption. Interestingly, the maximum U(VI) uptake capacity of HLPC-PO4 at T = 298.15 K and pH = 6.0 was 552.6 mg/g, which was more than 3 times that of HLPC. In addition, HLPC-PO4 showed an adsorption selectivity of 70.1% for U(VI). After 5 cycles, HLPC-PO4 maintained its original adsorption capacity of 90.5%. The adsorption mechanism can be explained as the complexation of U(VI) with P-O and P˭O on the surface of the adsorbent, confirming the strong bonding ability of -PO4 to U(VI).
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Affiliation(s)
- Yanbing Sun
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai, Guangdong 519082, PR China
| | - Haoyan Zhang
- The Fourth Research and Design Engineering Institute of China National Nuclear Corporation, Shijiazhuang, Hebei 050022, PR China; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, Jiangxi 330013, PR China
| | - Nan Yuan
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai, Guangdong 519082, PR China
| | - Yulin Ge
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai, Guangdong 519082, PR China
| | - Ying Dai
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, Jiangxi 330013, PR China
| | - Zhen Yang
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai, Guangdong 519082, PR China.
| | - Liang Lu
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai, Guangdong 519082, PR China.
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9
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Rasouli Z, Irani M, Jafari S, Ghavami R. Study of interaction of metal ions with methylthymol blue by chemometrics and quantum chemical calculations. Sci Rep 2021; 11:6465. [PMID: 33742047 PMCID: PMC7979746 DOI: 10.1038/s41598-021-85940-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/21/2020] [Indexed: 11/08/2022] Open
Abstract
In this study, we determine the acidity constants of methylthymol blue (MTB) and association constants of its complexes with the ZnII, CuII, and FeII metal ions (MIs), through theoretical and experimental means. The complexes were characterized using UV-Visible absorption spectroscopy combined with soft/hard chemometrics methods and quantum chemical calculations. Quantum chemical calculations revealed that electronic transitions in the UV-Visible spectra of MTB have mixed n → π* and π → π* characters. The results of molar ratio and multivariate curve resolution alternating least squares (MCR-ALS) revealed the formation of successive 1:2 and 1:1 complexes (MI:MTB) for the ZnII and CuII systems. However, the formation of successive 1:1 and 2:1 complexes are suggested for FeII by the molar ratio and MCR-ALS. The majority of transitions observed in the UV-Visible spectra of the Zn(MTB) and Cu(MTB) complexes have ligand-to-ligand charge transfer (LLCT) characters. However, the transitions in the UV-Visible spectrum of the Fe(MTB) complex have LLCT and metal-to-ligand charge transfer (MLCT) characters. For the Fe2(MTB) complex, the lowest energy transition of has an LLCT character. However, its higher energy transitions are a mixture of LLCT, MLCT, and metal-to-metal charge transfer (MMCT) characters. The correlation between experimental and computed wavelengths revealed that the 1:1 complexes of ZnII and CuII prefer square pyramidal geometries. However, the FeII complexes always show octahedral geometry.
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Affiliation(s)
- Zolaikha Rasouli
- Chemometrics Laboratory, Chemistry Department, Faculty of Science, University of Kurdistan, P.O. Box 416, 66177-15175, Sanandaj, Iran
| | - Mehdi Irani
- Theoretical Chemistry Laboratory, Chemistry Department, Faculty of Science, University of Kurdistan, P.O. Box 416, 66177-15175, Sanandaj, Iran
| | - Sonia Jafari
- Theoretical Chemistry Laboratory, Chemistry Department, Faculty of Science, University of Kurdistan, P.O. Box 416, 66177-15175, Sanandaj, Iran
| | - Raouf Ghavami
- Chemometrics Laboratory, Chemistry Department, Faculty of Science, University of Kurdistan, P.O. Box 416, 66177-15175, Sanandaj, Iran.
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10
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Anastopoulos I, Milojković JV, Tsigkou K, Zafiri C, Lopičić ZR, Kornaros M, Pashalidis I. A nappies management by-product for the treatment of uranium-contaminated waters. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124147. [PMID: 33059251 DOI: 10.1016/j.jhazmat.2020.124147] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/22/2020] [Accepted: 09/28/2020] [Indexed: 06/11/2023]
Abstract
The direct disposal of municipal solid waste such as nappies to the environment may create serious pollution problems. Based on the circular economy and waste management concepts, the conversion of nappies and/or their ingredients (such as super absorbent polymer (SAP)) to high added value products is of great importance. In this work, a modified SAP (MSAP) was examined as an adsorbent for treatment of contaminated waters and uranium recovery. Batch experiments and spectroscopic techniques were used to examine the effect of various parameters (pH, contact time, temperature, initial concentration, and ionic strength), and the mechanism of adsorption U(VI) and desorption process. The U(VI) concentration was determined by alpha spectroscopy after addition of 232U standard tracer solution to account for possible interferences during electrodeposition and alpha particle counting. The maximum adsorption monolayer capacity was found to be 217.4 mg/g at pH 4.0 and at 298 K. The adsorption of U(VI) on MSAP seems to occur mainly via the formation of inner-sphere surface complexes between U(VI) and the carboxylic surface moieties of MSAP. The MSAP could satisfactorily be regenerated with 0.1 M Na2CO3 (>90%) and it also shows a promising applicability to real wastewaters contaminated with U(VI).
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Affiliation(s)
- Ioannis Anastopoulos
- Laboratory of Radioanalytical and Environmental Chemistry, Department of Chemistry, University of Cyprus, P.O. Box 20537, Cy-1678 Nicosia, Cyprus.
| | - Jelena V Milojković
- Institute for Technology of Nuclear and Other Mineral Raw Materials, 86 Franchet d'Esperey St., Belgrade, Serbia
| | - Konstantina Tsigkou
- Laboratory of Biochemical Engineering and Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, University Campus, Patras 26504, Greece
| | | | - Zorica R Lopičić
- Institute for Technology of Nuclear and Other Mineral Raw Materials, 86 Franchet d'Esperey St., Belgrade, Serbia
| | - Michael Kornaros
- Laboratory of Biochemical Engineering and Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, University Campus, Patras 26504, Greece
| | - Ioannis Pashalidis
- Laboratory of Radioanalytical and Environmental Chemistry, Department of Chemistry, University of Cyprus, P.O. Box 20537, Cy-1678 Nicosia, Cyprus
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11
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Shen Y, Jiang B, Xing Y. Recent advances in the application of magnetic Fe 3O 4 nanomaterials for the removal of emerging contaminants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:7599-7620. [PMID: 33398745 DOI: 10.1007/s11356-020-11877-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 11/29/2020] [Indexed: 06/12/2023]
Abstract
Emerging contaminants (ECs) are widely distributed and potentially hazardous to human health and the ecological system. However, traditional wastewater treatment techniques are not sufficient to remove ECs. Magnetic nanomaterials are made of ferromagnetic or superparamagnetic magnetic elements such as iron and nickel, which can be easily separated from the aqueous solution, making them ideal adsorbents for contaminants in water. This review focused on the synthesis approaches of magnetic Fe3O4 nanoparticles (MFNs), as well as surface modification in order to improve their stability and functional diversity. Also, a detailed summary on the state-of-art application of magnetic nanomaterials on the removal of ECs was addressed. Additionally, challenges and future prospective of applying magnetic nanomaterials into real-world cases were discussed, in which the green and simple synthesis and evaluation of the toxic effects of MFNs are still of great challenge. This work summarizes the recent progress of using magnetic nanomaterials as promising and powerful tools in the treatment of ECs-contaminated water, benefiting researchers interested in nanomaterials and environmental studies.
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Affiliation(s)
- Yaoxin Shen
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Bo Jiang
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China.
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China.
- National Engineering Laboratory for Site Remediation Technologies, Beijing, 100015, People's Republic of China.
| | - Yi Xing
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
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12
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Akl ZF. Theoretical and experimental studies on uranium( vi) adsorption using phosphine oxide-coated magnetic nanoadsorbent. RSC Adv 2021; 11:39233-39244. [PMID: 35492472 PMCID: PMC9044479 DOI: 10.1039/d1ra04515f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 11/30/2021] [Indexed: 01/01/2023] Open
Abstract
In this study, novel Cyanex-923-coated magnetite nanoparticles (Fe3O4@Cyanex-923) were prepared, comprehensively characterized, and employed for uranium(vi) ion adsorption from aqueous solutions. FTIR and TGA data confirmed that Fe3O4 has successfully gained Cyanex-923 surface functionality. Particle size and morphological studies via DLS, HR-TEM, and SEM showed uniform-dispersed quasi-spherical nanoparticles with a mean diameter of ca. 44 nm. Magnetism measurement data revealed the superparamagnetic properties of the Fe3O4@Cyanex-923 nanoadsorbent. The effect of different experimental settings on the adsorption efficiency was studied to determine the best operational conditions. The experimental results were analyzed using Langmuir, Freundlich, and Temkin isotherms; where the adsorption data obeyed the Langmuir model showing a theoretical adsorption capacity of 429.185 mg g−1 at 298 K. Kinetics data analysis revealed a fast adsorption process that could reach equilibrium within 60 min and is well-fitted to the pseudo-2nd-order model. Temperature affected the adsorption process and the thermodynamic data indicated that uranium(vi) adsorption was spontaneous and exothermic. Fe3O4@Cyanex-923 nanoparticles displayed a good regeneration behavior over three sequential adsorption–desorption cycles. The Fe3O4@Cyanex-923 nanoadsorbent showed a high uranium adsorption capacity, fast equilibration time, economic nature, good reusability, and easy separation; making it a promising candidate for uranium(vi) removal from nuclear waste streams. A Fe3O4@Cyanex-923 nanoadsorbent was prepared and applied as an efficient candidate for uranium(vi) removal from aqueous solutions.![]()
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Affiliation(s)
- Zeinab F. Akl
- Egyptian Atomic Energy Authority, P.O. Box 11762, Cairo, Egypt
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Bai J, Ma X, Gong C, Chen Y, Yan H, Wang K, Wang J. A novel amidoxime functionalized porous resins for rapidly selective uranium uptake from solution. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114443] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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14
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Yi Z, Liu J, Zeng R, Liu X, Long J, Huang B. Removal of uranium(VI) from aqueous solution by Camellia oleifera shell-based activated carbon: adsorption equilibrium, kinetics, and thermodynamics. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 82:2592-2602. [PMID: 33339811 DOI: 10.2166/wst.2020.504] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Camellia oleifera shell-based activated carbon (COSAC) was prepared by H3PO4 activation method and further used to remove U(VI) from the aqueous solution in a batch system. This research examined the influence of various factors affecting U(VI) removal, including contact time, pH, initial U(VI) concentration, and temperature. The results showed that the U(VI) adsorption capacity and removal efficiency reached 71.28 mg/g and 89.1% at the initial U(VI) concentration of 160 mg/L, temperature of 298 K, pH 5.5, contact time of 60 min, and COSAC dosage of 2.0 g/L. The pseudo-first-order, pseudo-second-order, and intraparticle diffusion equations were used to identify the optimum model that can describe the U(VI) adsorption kinetics. The pseudo-second-order kinetics model performed better in characterizing the adsorption system compared with the pseudo-first-order and intraparticle diffusion models. Isotherm data were also discussed with regard to the appropriacy of Langmuir, Freundlich, Temkin, and Dubinin-Radushkevich models. The Langmuir model described the U(VI) adsorption process the best with a maximum adsorption capacity of 78.93 mg/g. Thermodynamic analysis (ΔG0 < 0, ΔH0 > 0, and ΔS0 > 0) indicated that the U(VI) adsorption process is endothermic and spontaneous. All the results imply that COSAC has a promising application in the removal or recovery of U(VI) from aqueous solutions.
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Affiliation(s)
- Zhengji Yi
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province and Key Laboratory of Functional Organometallic Materials of College of Hunan Province, College of Chemistry and Material Science, Heyang Normal University, Hengyang 421008, China E-mail:
| | - Jian Liu
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province and Key Laboratory of Functional Organometallic Materials of College of Hunan Province, College of Chemistry and Material Science, Heyang Normal University, Hengyang 421008, China E-mail:
| | - Rongying Zeng
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province and Key Laboratory of Functional Organometallic Materials of College of Hunan Province, College of Chemistry and Material Science, Heyang Normal University, Hengyang 421008, China E-mail:
| | - Xing Liu
- Key Laboratory of Functional Metal-Organic Compounds of Hunan Province and Key Laboratory of Functional Organometallic Materials of College of Hunan Province, College of Chemistry and Material Science, Heyang Normal University, Hengyang 421008, China E-mail:
| | - Jiumei Long
- College of Life Sciences and Environment, Hengyang Normal University, Hengyang 421008, China
| | - Binyan Huang
- College of Life Sciences and Environment, Hengyang Normal University, Hengyang 421008, China
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15
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Magnetic nanoparticles for the recovery of uranium from sea water: Challenges involved from research to development. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.07.035] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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16
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Aljarrah MT, Al-Harahsheh MS, Alrebaki MA, Mayyas M. Concentrative isolation of uranium traces in aqueous solutions via resurfaced-magnetic carbon nanotube suspension. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 271:110970. [PMID: 32778274 DOI: 10.1016/j.jenvman.2020.110970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/24/2020] [Accepted: 06/14/2020] [Indexed: 06/11/2023]
Abstract
The concentrative isolation of metal traces from aqueous solutions is of vital importance for environmental and industrial processes. Developing reliable systems of nanoscale that can be fine-tuned to effectively isolate these metals remains an intriguing aim which can potentially beget economic benefits and mitigate major environmental concerns. Here we demonstrate a conceptual metal extraction system where magnetic multi-wall carbon nanotubes (M-MWCNTs) are surface-equipped with a molecular network of polyethylenimine (PEI) to serve as a reusable nano-ionic exchanger, referred to as "M-MWCNTs-PEI". The designed nano-ionic exchanger forms readily stable suspensions with the metal-bearing aqueous solutions eliminating the need for vigorous agitation. Besides, it can be magnetically manipulated and separated in/from the solution. To exemplify its potential for the isolation of metal traces, the M-MWCNTs-PEI was tested with the uranium trace ions in aqueous media. The M-MWCNTs-PEI featured distinct sorption capacity of ~488 mg/g at pH 6, with moderate, but stable, binding affinity toward uranium ions. As such, excellent isolation performance is demonstrated while bound uranium ions are effectively concentrated and recovered from the interfacial PEI molecular network. This was efficiently achieved by exposing the loaded M-MWCNTs-PEI to solutions of small volumes and specific chemistry. Such combined qualities of large capacity and reusability have not been observed with the previously reported ion exchange systems. Altogether, our observations here demonstrate how functional systems of nanoscale can be adapted for industrial applications while this concept can be extended to address other important resources such as rare-earth and lanthanide elements.
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Affiliation(s)
- Mohannad T Aljarrah
- Jordan University of Sci. & Tech., Department of Chemical Engineering, Irbid, 22110, Jordan.
| | - Mohammad S Al-Harahsheh
- Jordan University of Sci. & Tech., Department of Chemical Engineering, Irbid, 22110, Jordan.
| | - Muna A Alrebaki
- Jordan University of Sci. & Tech., Department of Chemical Engineering, Irbid, 22110, Jordan
| | - Mohannad Mayyas
- University of New South Wales, School of Chemical Engineering, Sydney, 2052, Australia
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Wang J, Wang Y, Wang W, Peng T, Liang J, Li P, Pan D, Fan Q, Wu W. Visible light driven Ti 3+ self-doped TiO 2 for adsorption-photocatalysis of aqueous U(VI). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114373. [PMID: 32443204 DOI: 10.1016/j.envpol.2020.114373] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/03/2020] [Accepted: 03/12/2020] [Indexed: 06/11/2023]
Abstract
The photocatalytic reduction of U(VI) is recognized as an economical and effective way for U(VI) removal/recovery from solutions. To improve the photocatalytic activity of TiO2 under visible light, TiO2 was hydrogenated by NaBH4 to generate Ti3+ self-doped black TiO2 (BTn). The self-doped Ti3+ alongside oxygen vacancies (Ov) could act as interband level to increase visible light capture and reduce the recombination of photogenerated carriers. The obtained BTn samples showed high performance for U(VI) elimination under near neutral conditions, and held an outstanding anti-interference for U(VI) over competing metal cations and anions. Methanol and ethanol could act as sacrificial donors, being favorable for the photocatalytic reduction of U(VI), while the presence of EDTA inhibited the photoreduction of U(VI). The BTn photocatalysts showed relatively high stability and reusability during the photocatalysis and elution processes. The XPS, TEM and XRD results revealed that U(VI) was photo-reduced to form UO2 on the surface of BTn. This work may serve as an important reference for improving the photocatalytic reactivity of TiO2 as well as for the efficient removal/recovery of U(VI) from aqueous solutions.
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Affiliation(s)
- Jingjing Wang
- Radiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China; Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Key Laboratory of Petroleum Resources, Gansu Province, Lanzhou, 730000, China
| | - Yun Wang
- Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Key Laboratory of Petroleum Resources, Gansu Province, Lanzhou, 730000, China
| | - Wei Wang
- Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Key Laboratory of Petroleum Resources, Gansu Province, Lanzhou, 730000, China
| | - Tong Peng
- Radiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, 200062, China
| | - Jianjun Liang
- Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Key Laboratory of Petroleum Resources, Gansu Province, Lanzhou, 730000, China
| | - Ping Li
- Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Key Laboratory of Petroleum Resources, Gansu Province, Lanzhou, 730000, China.
| | - Duoqiang Pan
- Radiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China
| | - Qiaohui Fan
- Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Key Laboratory of Petroleum Resources, Gansu Province, Lanzhou, 730000, China
| | - Wangsuo Wu
- Radiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China
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18
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Wang Y, Wang J, Wang J, Liang J, Pan D, Li P, Fan Q. Efficient recovery of uranium from saline lake brine through photocatalytic reduction. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113007] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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19
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20
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Zhang W, Li L, Gao Y, Zhang D. Graphitic carbon nitride-based materials for photocatalytic reduction of U( vi). NEW J CHEM 2020. [DOI: 10.1039/d0nj04519e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This work reports the photocatalytic reduction of U(vi) using g-C3N4-based materials and discusses the factors affecting the photocatalytic reduction of U(vi).
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Affiliation(s)
- Weizhuo Zhang
- Shaanxi Key Laboratory of Industrial Automation
- School of Mechanical Engineering
- Shaanxi University of Technology
- Hanzhong 723001
- China
| | - Le Li
- Shaanxi Key Laboratory of Industrial Automation
- School of Mechanical Engineering
- Shaanxi University of Technology
- Hanzhong 723001
- China
| | - Yanhong Gao
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application
- School of Chemistry and Environment Science
- Shaanxi University of Technology
- Hanzhong 723001
- China
| | - Dan Zhang
- Shaanxi Province Key Laboratory of Catalytic Foundation and Application
- School of Chemistry and Environment Science
- Shaanxi University of Technology
- Hanzhong 723001
- China
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Li P, Wang J, Wang Y, Liang J, Pan D, Qiang S, Fan Q. An overview and recent progress in the heterogeneous photocatalytic reduction of U(VI). JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2019. [DOI: 10.1016/j.jphotochemrev.2019.100320] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Highly efficient uranium(VI) removal from aqueous solution using poly(cyclotriphosphazene-co-4,4′-diaminodiphenyl-ether) crosslinked microspheres. J Radioanal Nucl Chem 2019. [DOI: 10.1007/s10967-019-06681-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Bayramoglu G, Arica MY. Star type polymer grafted and polyamidoxime modified silica coated-magnetic particles for adsorption of U(VI) ions from solution. Chem Eng Res Des 2019. [DOI: 10.1016/j.cherd.2019.04.039] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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24
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Alhumaimess MS, Alsohaimi IH, Alqadami AA, Khan MA, Kamel MM, Aldosari O, Siddiqui MR, Hamedelniel AE. Recyclable glutaraldehyde cross-linked polymeric tannin to sequester hexavalent uranium from aqueous solution. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.02.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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25
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Synthesis of amidoxime-decorated 3D cubic mesoporous silica via self-assembly co-condensation as a superior uranium(VI) adsorbent. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.01.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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