1
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Bi RX, Peng ZH, Lei L, Wang XX, Liu X, Zhang L, Liang RP, Qiu JD. Enhanced photocatalytic U(VI) reduction via double internal electric field in CoWO 4/covalent organic frameworks p-n heterojunction. JOURNAL OF HAZARDOUS MATERIALS 2024; 475:134869. [PMID: 38870857 DOI: 10.1016/j.jhazmat.2024.134869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/15/2024]
Abstract
Photoreduction of highly toxic U(VI) to less toxic U(IV) is crucial for mitigating radioactive contamination. Herein, a CoWO4/TpDD p-n heterojunction is synthesized, with TpDD serving as the n-type semiconductor substrate and CoWO4 as the p-type semiconductor grown in situ on its surface. The Fermi energy difference between TpDD and CoWO4 provides the electrochemical potential for charge-hole separation. Moreover, the Coulombic forces from the distinct carrier types between the two materials synergistically facilitate the transfer of electrons and holes. Hence, an internal electric field directed from TpDD to CoWO4 is established. Under photoexcitation conditions, charges and holes migrate efficiently along the curved band and internal electric field, further enhancing charge-hole separation. As a result, the removal capacity of CoWO4/TpDD increases from 515.2 mg/g in the dark to 1754.6 mg/g under light conditions. Thus, constructing a p-n heterojunction proves to be an effective strategy for remediating uranium-contaminated environments.
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Affiliation(s)
- Rui-Xiang Bi
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China
| | - Zhi-Hai Peng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China
| | - Lan Lei
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China
| | - Xiao-Xing Wang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China
| | - Xin Liu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China
| | - Li Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China
| | - Ru-Ping Liang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China.
| | - Jian-Ding Qiu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, PR China; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, PR China.
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2
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Zhao W, Zhu Q, Wu X, Zhao D. The development of catalysts and auxiliaries for the synthesis of covalent organic frameworks. Chem Soc Rev 2024. [PMID: 38895859 DOI: 10.1039/d3cs00908d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Covalent organic frameworks (COFs) have recently seen significant advancements. Large quantities of structurally & functionally oriented COFs with a wide range of applications, such as gas adsorption, catalysis, separation, and drug delivery, have been explored. Recent achievements in this field are primarily focused on advancing synthetic methodologies, with catalysts playing a crucial role in achieving highly crystalline COF materials, particularly those featuring novel linkages and chemistry. A series of reviews have already been published over the last decade, covering the fundamentals, synthesis, and applications of COFs. However, despite the pivotal role that catalysts and auxiliaries play in forming COF materials and adjusting their properties (e.g., crystallinity, porosity, stability, and morphology), limited attention has been devoted to these essential components. In this Critical Review, we mainly focus on the state-of-the-art progress of catalysts and auxiliaries applied to the synthesis of COFs. The catalysts include four categories: acid catalysts, base catalysts, transition-metal catalysts, and other catalysts. The auxiliaries, such as modulators, oxygen, and surfactants, are discussed as well. This is then followed by the description of several specific applications derived from the utilization of catalysts and auxiliaries. Lastly, a perspective on the major challenges and opportunities associated with catalysts and auxiliaries is provided.
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Affiliation(s)
- Wei Zhao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.
| | - Qiang Zhu
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Xiaofeng Wu
- Leverhulme Research Centre for Functional Materials Design, Materials Innovation Factory and Department of Chemistry, University of Liverpool, Liverpool, UK
| | - Dan Zhao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.
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3
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Chen XJ, Zhang CR, Cai YJ, He HX, Niu CP, Qi JX, Liu JL, Xia Z, Liang RP, Qiu JD. Construction of a Bifunctional Redox-Site Conjugated Covalent-Organic Framework for Photoinduced Precision Trapping of Uranyl Ions. Inorg Chem 2024; 63:11459-11469. [PMID: 38842950 DOI: 10.1021/acs.inorgchem.4c01649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The performance of covalent-organic frameworks (COFs) for the photocatalytic extraction of uranium is greatly limited by the number of adsorption sites. Herein, inspired by electronegative redox reactions, we designed a nitrogen-oxygen rich pyrazine connected COF (TQY-COF) with multiple redox sites as a platform for extracting uranium via combining superaffinity and enhanced photoinduction. The preorganized bisnitrogen-bisoxygen donor configuration on TQY-COF is entirely matched with the typical geometric coordination of hexavalent uranyl ions, which demonstrates high affinity (tetra-coordination). In addition, the presence of the carbonyl group and pyrazine ring effectively stores and controls electron flow, which efficaciously facilitates the separation of e-/h+ and enhances photocatalytic performance. The experimental results show that TQY-COF removes up to 99.8% of uranyl ions from actual uranium mine wastewater under the light conditions without a sacrificial agent, and the separation coefficient reaches 1.73 × 106 mL g-1 in the presence of multiple metal ions, which realizes the precise separation in the complex environment. Importantly, DFT calculations further elucidate the coordination mechanism of uranium and demonstrate the necessity of the presence of N/O atoms in the photocatalytic adsorption of uranium.
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Affiliation(s)
- Xiao-Juan Chen
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Cheng-Rong Zhang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Yuan-Jun Cai
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Hao-Xuan He
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Cheng-Peng Niu
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Jia-Xin Qi
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Jin-Lan Liu
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Zheng Xia
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Ru-Ping Liang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Jian-Ding Qiu
- College of Chemistry, Nanchang University, Nanchang 330031, China
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
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4
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Chen X, Li H, Yang K, Haleem A, Sun Y, Pan J. Significantly enhanced uranium extraction by intelligent light-driven nanorobot catchers with precise controllable moving trajectory. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133908. [PMID: 38428297 DOI: 10.1016/j.jhazmat.2024.133908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/17/2024] [Accepted: 02/25/2024] [Indexed: 03/03/2024]
Abstract
Uranium, as the most essential resource for nuclear power production, provides 13% of global electricity demand, has attracted considerable attention. However, it is still a great challenge for uranium extraction from natural water like salt lakes as the background of high salinity and low concentration (3.3 ∼ 330 ppb). Meanwhile, current uranium extraction strategies are generally focus on extraction capacity or selectivity but neglect to enhance extraction rate. In this work, we designed a novel kind of NIR-driven intelligent nanorobots catchers (MSSA-AO) with amidoxime as claws for uranium capture, which showed almost 100% extraction rate and an ultrafast extraction rate. Importantly, high extraction capacity (221.5 mg g-1) and selectivity were taken into consideration as well as good regeneration performance. Furthermore, amidoxime NRCs boosted in extraction amount about 16.7% during the first 5 min with self-driving performance. Overall, this work suggests a new strategy for ultrafast extraction of uranium from natural water with low abundance selectively by self-propelled NRCs, showing great possibility in outdoor application and promising for meeting huge energy needs globally.
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Affiliation(s)
- Xueping Chen
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hao Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China; Jiangsu Agrochem Laboratory Co., Ltd, Changzhou 213022, Jiangsu, China.
| | - Kaiwen Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Abdul Haleem
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yonghui Sun
- Jiangsu Agrochem Laboratory Co., Ltd, Changzhou 213022, Jiangsu, China
| | - Jianming Pan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
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5
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Huang Z, Guo L, Yu K, Gao F, Yang Y, Luo F. Efficient gold recovery by a thiazolyl covalent organic framework. Chem Commun (Camb) 2024; 60:4950-4953. [PMID: 38629262 DOI: 10.1039/d4cc01391c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Here, we report a thiazoyl covalent organic framework, namely ECUT-COF-29, for gold recovery. Under visible light irradiation, this material can reduce Au3+ to Au0 in a short time, and the adsorption capacity is as high as 3714 mg g-1, showing great potential in gold recovery.
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Affiliation(s)
- Zhecheng Huang
- School of Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China.
| | - Liecheng Guo
- School of Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China.
| | - Kai Yu
- School of Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China.
| | - Feng Gao
- School of Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China.
| | - Yuting Yang
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.
| | - Feng Luo
- School of Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China.
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Guo R, Zha Z, Wang J, Wang Z, Guiver MD, Zhao S. Aminal-Linked Covalent Organic Framework Membranes Achieve Superior Ion Selectivity. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308904. [PMID: 38098304 DOI: 10.1002/smll.202308904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/07/2023] [Indexed: 05/30/2024]
Abstract
High-salinity wastewater treatment is perceived as a global water resource recycling challenge that must be addressed to achieve zero discharge. Monovalent/divalent salt separation using membrane technology provides a promising strategy for sulfate removal from chlor-alkali brine. However, existing desalination membranes often show low water permeance and insufficient ion selectivity. Herein, an aminal-linked covalent organic framework (COF) membrane featuring a regular long-range pore size of 7 Å and achieving superior ion selectivity is reported, in which a uniform COF layer with subnanosized channels is assembled by the chemical splicing of 1,4-phthalaldehyde (TPA)-piperazine (PZ) COF through an amidation reaction with trimesoyl chloride (TMC). The chemically spliced TPA-PZ (sTPA-PZ) membrane maintains an inherent pore structure and exhibits a water permeance of 13.1 L m-2 h-1 bar-1, a Na2SO4 rejection of 99.1%, and a Cl-/SO4 2- separation factor of 66 for mixed-salt separation, which outperforms all state-of-the-art COF-based membranes reported. Furthermore, the single-stage treatment of NaCl/Na2SO4 mixed-salt separation achieves a high NaCl purity of above 95% and a recovery rate of ≈60%, offering great potential for industrial application in monovalent/divalent salt separation and wastewater resource utilization. Therefore, the aminal-linked COF membrane developed in this work provides a new research avenue for designing smart/advanced membrane materials for angstrom-scale separations.
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Affiliation(s)
- Rui Guo
- School of Chemical Engineering and Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China
| | - Zhiyuan Zha
- School of Chemical Engineering and Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China
| | - Jixiao Wang
- School of Chemical Engineering and Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China
| | - Zhi Wang
- School of Chemical Engineering and Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China
| | - Michael D Guiver
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China
- National Industry-Education Platform of Energy Storage, Tianjin University, Tianjin, 300072, China
| | - Song Zhao
- School of Chemical Engineering and Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin, 300072, China
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7
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Tuo K, Li J, Li Y, Liang C, Shao C, Hou W, Li Z, Pu S, Deng C. Construction of hierarchical porous and polydopamine/salicylaldoxime functionalized zeolitic imidazolate framework-8 via controlled etching for uranium adsorption. MATERIALS HORIZONS 2024. [PMID: 38686502 DOI: 10.1039/d3mh02108d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Efficient uranium extraction from seawater is critical for the development of the nuclear industry. Herein, a polydopamine/salicylaldoxime decorated hierarchical zeolitic imidazolate framework-8 (H-PDA/SA-ZIF-8) is constructed by using a controlled etching process. Benefiting from the combination of PDA/SA and the zeolitic imidazolate framework-8 (ZIF-8), as well as a controlled etching process, the H-PDA/SA-ZIF-8 possesses multiaffinity sites, excellent specific surface area (1234.92 m2 g-1), and a hierarchical pore structure. The H-PDA/SA-ZIF-8 exhibits excellent adsorption capacity (Qm = 869.6 mg g-1), selectivity, and reusability in uranium adsorption. The adsorption process of H-PDA/SA-ZIF-8 fits very well with the Langmuir isotherm model and pseudo-second-order models, and the adsorption process equilibrates within 20 min (C0 = 20 mg L-1). Furthermore, the H-PDA/SA-ZIF-8 shows remarkable antibacterial ability. Impressively, the adsorption capacity of H-PDA/SA-ZIF-8 to uranium in natural seawater reaches 6.9 mg g-1 after circulation for 15 days. Therefore, the H-PDA/SA-ZIF-8 is a promising and fascinating material for uranium extraction from natural seawater.
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Affiliation(s)
- Kai Tuo
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Jin Li
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Yi Li
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Chuyao Liang
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Cuicui Shao
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Weifeng Hou
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Zhijian Li
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Shouzhi Pu
- YuZhang Normal University, Nanchang 330013, PR China.
| | - Chunhui Deng
- Shanghai Pudong Hospital, and Department of Chemistry, Fudan University, Shanghai 201399, China.
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8
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Elewa AM, Mekhemer IMA, El-Mahdy AFM, Sabbah A, Chen SY, Ting LY, Abdelnaser S, Chou HH. Room-Temperature Synthesis of Covalent Organic Frameworks using Gamma-Irradiation in Open-Air Conditions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311472. [PMID: 38651243 DOI: 10.1002/smll.202311472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 04/03/2024] [Indexed: 04/25/2024]
Abstract
Covalent organic frameworks (COFs), which have layered stacking structures, extended π-conjugation, and periodic frameworks have become a promising class of materials for a wide range of applications. However, their synthetic pathways frequently need high temperatures, enclosed systems under high pressures, an inert atmosphere, and extended reaction time, which restrict their practicality in real-world applications. Herein, the use of gamma irradiation is presented to synthesize highly crystalline COFs at room temperature under an open-air condition within a short time. This is demonstrated that there is no significant difference in crystallinity of COFs by gamma irradiation under air, N2 or Ar atmosphere conditions. Moreover, this approach can successfully fabricate COFs in the vessel with different degrees of transparency or even in a plastic container. Importantly, this strategy is applicable not only to imine linkage of COFs but also effective to the imide linkages of COFs. Most importantly, these COFs demonstrate improved crystallinity, surface area, and thermal stability in comparison to the corresponding materials synthesized via the solvothermal method. Finally, a COF synthesized through gamma irradiation exhibits remarkable photocatalytic activity in promoting the sacrificial hydrogen evolution from water, displaying a more catalytic efficiency compared with that of its solvothermal analogue.
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Affiliation(s)
- Ahmed M Elewa
- Department of Chemical Engineering, National Tsing Hua University, Kuang-Fu Rd., Hsinchu, 300044, Taiwan
- Department of Nuclear Chemistry, Hot Laboratories Center, Atomic Energy Authority, Cairo, 13759, Egypt
| | - Islam M A Mekhemer
- Department of Chemical Engineering, National Tsing Hua University, Kuang-Fu Rd., Hsinchu, 300044, Taiwan
| | - Ahmed F M El-Mahdy
- Department of Materials and Optoelectronic Science, Center of Crystal Research, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Amr Sabbah
- Center for Condensed Matter Sciences, National Taiwan University, Taipei, 10617, Taiwan
| | - Shih-Yuan Chen
- Energy Catalyst Technology Group, Energy Process Research Institute, National Institute of Advanced Industrial Science and Technology, 16-1 Onogawa, Tsukuba, Ibaraki, 305-8559, Japan
| | - Li-Yu Ting
- Department of Chemical Engineering, National Tsing Hua University, Kuang-Fu Rd., Hsinchu, 300044, Taiwan
| | - Shimaa Abdelnaser
- Department of Materials and Optoelectronic Science, Center of Crystal Research, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Ho-Hsiu Chou
- Department of Chemical Engineering, National Tsing Hua University, Kuang-Fu Rd., Hsinchu, 300044, Taiwan
- College of Semiconductor Research, National Tsing Hua University, Hsinchu, 300044, Taiwan
- Photonics Research Center, National Tsing Hua University, Hsinchu, 300044, Taiwan
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9
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Zhang L, Luo YT, Xiao SJ, Fan JQ, Tan QG, Sun C, Song AM, Liang RP, Qiu JD. The construction of a stable hydrogen-bonded organic framework for the photocatalytic reduction and removal of uranium. Chem Commun (Camb) 2024; 60:3583-3586. [PMID: 38470082 DOI: 10.1039/d4cc00438h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
An imidazolyl hydrogen-bonded organic framework (HOF-T) with outstanding thermal and water stability was constructed by C-H⋯N hydrogen bonding and C-H⋯π interactions. UO22+ can be selectively captured by the imidazole group of HOF-T and rapidly reduced to UO2 under visible light irradiation, realizing exceptional uranium removal with high capacity and fast kinetics.
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Affiliation(s)
- Li Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Yu-Ting Luo
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Sai-Jin Xiao
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
| | - Jia-Qi Fan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Quan-Gen Tan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Chen Sun
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - An-Min Song
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Ru-Ping Liang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Jian-Ding Qiu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
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10
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Zhao Y, Guo L, Yu K, Gao F, Hua R, Luo F. Extraction of Uranium by a Cheap Phosphite-Derived Polymer under Light Condition. Inorg Chem 2024; 63:5325-5329. [PMID: 38488224 DOI: 10.1021/acs.inorgchem.4c00477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Uranium, as the main fuel of today's nuclear energy, is crucial to the development of nuclear energy. Therefore, the development of low-cost and powerful adsorbents is very important for the removal or recovery of uranium from uranium-containing solutions. Herein, we report the synthesis of a cheap phosphite-derived polymer for such use. Under visible-light irradiation, this phosphite-derived polymer was found to enable selective adsorption of uranium with an adsorption capacity as high as 1030 mg/g, suggesting its great potential in handling nuclear waste.
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Affiliation(s)
- Yitao Zhao
- School of Nuclear Science and Engineering, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Liecheng Guo
- School of Nuclear Science and Engineering, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Kai Yu
- School of Nuclear Science and Engineering, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Feng Gao
- School of Nuclear Science and Engineering, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Rong Hua
- School of Nuclear Science and Engineering, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
| | - Feng Luo
- School of Nuclear Science and Engineering, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi 344000, China
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11
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Zhu L, Zhang C, Zhu R, Cao X, Bai J, Wang Y, Liu L, Dong H, Ma F. A convenient functionalization strategy of polyimide covalent organic frameworks for uranium-containing wastewater treatment and uranium recovery. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133320. [PMID: 38142653 DOI: 10.1016/j.jhazmat.2023.133320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/02/2023] [Accepted: 12/18/2023] [Indexed: 12/26/2023]
Abstract
The purpose of this research was to design and synthesize an adsorbent based on polyimide covalent organic frameworks (PICOFs) for uranium-containing wastewater treatment and uranium recovery. A modified solvothermal method was innovatively proposed to synthesize PICOFs with high specific surface area (1998.5 m2 g-1) and regular pore structure. Additionally, a convenient functionalization strategy of PICOFs was designed through polydopamine (PDA) and a well-dispersed polymer (MPC-co-AO) containing multiple functional groups, forming stable composite (PMCA-TPPICOFs) in which the hydrogen bonding and cation-π interactions between PDA and MPC-co-AO played a key role. The obtained PMCA-TPPICOFs as an adsorbent exhibited strong selectivity for uranyl ions (maximum adsorption capacity was 538 mg g-1). In simulated wastewater with low uranium concentrations, the removal rate reached 98.3%, and the concentration of treated simulated wastewater met discharge standards. Moreover, PMCA-TPPICOFs was suitable for fixed-bed column adsorption because of its favorable structure. According to the research about adsorption mechanism, the adsorption primarily relied on electrostatic interaction and complexation. In summary, PMCA-TPPICOFs exhibited good potential for uranium-containing wastewater treatment, expanding the application of PICOFs. And the proposed functionalization strategy and modified solvothermal method may promote research in the fields of material functionalization and COFs synthesis. ENVIRONMENTAL IMPLICATION: Uranium is a raw material for nuclear energy applications, which is toxic and radioactive. If uranium is discharged with wastewater, it would not only pose a threat to the environmental protection and life safety, but also cause the loss of precious nuclear raw materials. Although adsorption was considered to be an effective way to remove uranium, many of the developed adsorbents were difficult to apply due to the harsh wastewater environment and complex preparation processes. This study reported a novel adsorbent and a new functionalization strategy, which was expected to solve the problem of uranium recovery in wastewater.
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Affiliation(s)
- Lien Zhu
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Chunhong Zhang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China; Yantai Research Institute of Harbin Engineering University, Yantai 264006, PR China.
| | - Ruiqi Zhu
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Xianqi Cao
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China; Institute of Petrochemistry Heilongjiang Academy of Sciences, Harbin 150040, PR China
| | - Jianwei Bai
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Yudan Wang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Lijia Liu
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China; Yantai Research Institute of Harbin Engineering University, Yantai 264006, PR China
| | - Hongxing Dong
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Fuqiu Ma
- Yantai Research Institute of Harbin Engineering University, Yantai 264006, PR China; College of Nuclear Science and Technology, Harbin Engineering University, Harbin 150001, PR China
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Alali KT, Tan S, Zhu J, Liu J, Yu J, Liu Q, Wang J. High mechanical property and hydrophilic electrospun poly amidoxime/poly acrylonitrile composite nanofibrous mats for extraction uranium from seawater. CHEMOSPHERE 2024; 351:141191. [PMID: 38218238 DOI: 10.1016/j.chemosphere.2024.141191] [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: 11/13/2023] [Revised: 12/26/2023] [Accepted: 01/10/2024] [Indexed: 01/15/2024]
Abstract
Seawater reserves about 4.5 billion tons of uranium, if properly extracted, could be a sustainable green energy resource for hundreds of years, alternating its limited terrestrial ore and reducing the CO2 emitted from fossil fuels. The current seawater uranium adsorbents suffer neither economically viable nor adsorption efficiency, requiring more development to harvest satisfactorily uranium from seawater. Amidoxime-based fibrous adsorbents are the most promising adsorbents of seawater uranium due to abundant chelating sites. However, they suffer from severe shrinkage and stiffness once they dry, losing porous architecture and mechanical properties. Herein, an economical and scalable two-nozzle electrospinning technology was applied to produce poly amidoxime nanofibers (PAO NFs) supported by Poly acrylonitrile nanofibers (PAN NFs) as composite PAO/PAN nanofibrous mats with high structure stability. These PAO/PAN mats, with rapid wettability and excellent mechanical strength, show promising uranium adsorption capacities of 369.8 mg/g at seawater pH level, much higher than PAO and PAN NFs. The uranium adsorption capacity of the PAO/PAN mat reached 5.16 mg/g after 7 days of circulating (10 ppm uranium) spiked natural seawater. Importantly, the composite mat maintained its fibrous structure after five adsorption-desorption cycles with more than 80 % of its adsorption capacity, confirming its recyclability and stability. Therefore, the composite PAO/PAN mat fulfills the basic requirements for effectively and economically trapping uranium from seawater, which could be a matrix for further development.
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Affiliation(s)
- Khaled Tawfik Alali
- College of Nuclear Science and Technology, Harbin Engineering University, Harbin, 150001, China; Key Laboratory of Superlight Material and Surface Technology, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Sichao Tan
- College of Nuclear Science and Technology, Harbin Engineering University, Harbin, 150001, China.
| | - Jiahui Zhu
- Key Laboratory of Superlight Material and Surface Technology, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Jingyuan Liu
- Key Laboratory of Superlight Material and Surface Technology, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Jing Yu
- Key Laboratory of Superlight Material and Surface Technology, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Qi Liu
- Key Laboratory of Superlight Material and Surface Technology, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China.
| | - Jun Wang
- Key Laboratory of Superlight Material and Surface Technology, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
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Zhang F, Wang Y, Zhao H, Dong X, Gu XK, Lang X. Expanding Olefin-Linked Covalent Organic Frameworks toward Selective Photocatalytic Oxidation of Organic Sulfides. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8772-8782. [PMID: 38324765 DOI: 10.1021/acsami.3c16838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Olefin-linked covalent organic frameworks (COFs) have exhibited great potential in visible-light photocatalysis. In principle, expanding fully conjugated COFs can facilitate light absorption and charge transfer, leading to improved photocatalysis. Herein, three olefin-linked COFs with the same topology are synthesized by combining 2,4,6-trimethyl-1,3,5-triazine (TMT) with 1,3,5-triformylbenzene (TFB), 1,3,5-tris(4-formylphenyl)benzene (TFPB), and 1,3,5-tris(4-formylphenylethynyl)benzene (TFPEB), namely, TMT-TFB-COF, TMT-TFPB-COF, and TMT-TFPEB-COF, respectively. From TMT-TFB-COF to TMT-TFPB-COF, expanding phenyl rings provides only limited expansion for π-conjugation due to the steric effect of structural twisting. However, from TMT-TFPB-COF to TMT-TFPEB-COF, the insertion of acetylenes eliminates the steric effect and provides more delocalized π-electrons. As such, TMT-TFPEB-COF exhibits the best optoelectronic properties among these three olefin-linked COFs. Consequently, the photocatalytic performance of TMT-TFPEB-COF is much better than those of TMT-TFB-COF and TMT-TFPB-COF on the oxidation of organic sulfides into sulfoxides with oxygen. The desirable reusability and substrate compatibility of the TMT-TFPEB-COF photocatalyst are further confirmed. The selective formation of organic sulfoxides over TMT-TFPEB-COF under blue light irradiation proceeds via both electron- and energy-transfer pathways. This work highlights a rational design of expanding the π-conjugation of fully conjugated COFs toward selective visible-light photocatalysis.
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Affiliation(s)
- Fulin Zhang
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Yuexin Wang
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Hongxiang Zhao
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xiaoyun Dong
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Xiang-Kui Gu
- School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China
| | - Xianjun Lang
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
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Zhang F, Dong H, Li Y, Fu D, Yang L, Shang Y, Li Q, Shao Y, Gang W, Ding T, Chen T, Zhu W. In Situ Metal-Oxygen-Hydrogen Modified B-Tio 2 @Co 2 P-X S-Scheme Heterojunction Effectively Enhanced Charge Separation for Photo-assisted Uranium Reduction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305439. [PMID: 38050661 PMCID: PMC10953717 DOI: 10.1002/advs.202305439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 10/27/2023] [Indexed: 12/06/2023]
Abstract
Photo-assisted uranium reduction from uranium mine wastewater is expected to overcome the competition between impurity ions and U(VI) in the traditional process. Here, B-TiO2 @Co2 P-X S-scheme heterojunction with metal-oxygen-hydrogen (M-O-H) is developed insitu modification for photo-assisted U(VI) (hexavalent uranium) reduction. Relying on the DFT calculation and Hard-Soft-Acid-Base (HSAB) theory, the introduction of metal-oxygen-hydrogen (M-O-H, hard base) metallic bonds in the B-TiO2 @Co2 P-X is found to enhance the hydrophilicity and the capture capability for uranyl ion (hard acid). Accordingly, B-TiO2 @Co2 P-500 hybrid nanosheets exhibit excellent U(VI) reduction ability (>98%) in the presence of competing ions. By self-consistent energy band calculations and in-situ KPFM spectral analysis, the formation of the internal electric field between B-TiO2 and Co2 P at the heterojunction is proven, offering a strong driving force and atomic transportation highway for accelerating the S-scheme charge carriers directed migration and promoting the photocatalytic reduction of uranium. This work provides a valuable route to explore the functionally modified photocatalyst with high-efficiency photoelectron separation for U(VI) reduction.
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Affiliation(s)
- Fucheng Zhang
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Huanhuan Dong
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Yi Li
- School of Materials and EnergyUniversity of Electronic Science and TechnologyChengdu610000P.R. China
| | - Dengjiang Fu
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Lu Yang
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Yupeng Shang
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Qiuyang Li
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Yuwen Shao
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Wu Gang
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Tao Ding
- University of Science and Technology of ChinaNational Synchrotron Radiation LaboratoryHefei230029P. R. China
| | - Tao Chen
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
| | - Wenkun Zhu
- State Key Laboratory of Environment‐friendly Energy Materials, National Co‐innovation Center for Nuclear Waste Disposal and Environmental Safety, Sichuan Co‐Innovation Center for New Energetic Materials, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Academy of Defense Technology, School of Life Science and EngineeringSouthwest University of Science and Technology59 Qinglong StreetMianyangSichuan621010P. R. China
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