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Chen Y, Zhang P, Guo Q, Wu Z, Liu Y, Yang Y, Cao Q, Chong H, Lin M. Enhanced Versatility in Thorium Removal: Mesoporous Silica-Coated Magnetic Nanoparticles Functionalized by Phenanthroline Diamide as a Selective Adsorbent. Inorg Chem 2023; 62:13103-13117. [PMID: 37534985 DOI: 10.1021/acs.inorgchem.3c02044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
In order to promote the sustainable development of nuclear energy through thorium (Th(IV)) recycling, we synthesized SiO2-coated magnetic functional nanocomposites (SiO2@Fe3O4) that were modified with 2,9-diamide-1,10-phenanthroline (DAPhen) to serve as an adsorbent for Th(IV) removal. SiO2@Fe3O4-DAPhen showed effective Th(IV) adsorption in both weakly and strongly acidic solutions. Owing to its porous structure that facilitated rapid adsorption kinetics, equilibrium was achieved within 5 and 0.5 min at pH 3 and 1 mol L-1 HNO3, respectively. In weakly acidic solutions, Th(IV) primarily formed chemical coordination bonds with DAPhen groups, while in strongly acidic solutions, the dominant interaction was electrostatic attraction. Density functional theory (DFT) calculations indicated that electrostatic attraction was weaker compared to chemical coordination, resulting in reduced diffusion resistance and consequently faster adsorption rates in strongly acidic solutions. Furthermore, SiO2@Fe3O4-DAPhen exhibited a high adsorption capacity for Th(IV); it removed Th(IV) through chelation and electrostatic attraction at pH 3 and 1 mol L-1 HNO3, with maximum adsorption capacities of 833.3 and 1465.7 mg g-1, respectively. SiO2@Fe3O4-DAPhen also demonstrated excellent tolerance to salinity, adsorption selectivity, and radiation resistance, thereby highlighting its practical potential for Th(IV) removal in diverse contaminated water sources. Hence, SiO2@Fe3O4-DAPhen represents a promising choice for the rapid and efficient removal of Th(IV).
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Affiliation(s)
- Yizhi Chen
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Peng Zhang
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Qiqi Guo
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhihao Wu
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yusen Liu
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yu Yang
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
- Reactor Operation and Application Research Sub-Institute, Nuclear Power Institute of China, Chengdu, Sichuan 610041, China
| | - Qi Cao
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
- Reactor Operation and Application Research Sub-Institute, Nuclear Power Institute of China, Chengdu, Sichuan 610041, China
| | - Hanbao Chong
- Instruments Center for Physical Science, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Mingzhang Lin
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
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Pore-size Dependent Catalytic Activity of Supported Pd Catalysts for Selective Hydrogenation of Nitrile Butadiene Rubber. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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3
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A pH-response multifunctional nanoplatform based on NaGdF4:Yb,Er,Fe@Ce6@mSiO2-DOX for synergistic photodynamic/chemotherapy of cancer cells. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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4
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Homogeneous rhodium ion catalyst encapsulated by benzoyl-terminated dendrimer: high hydrogenation and separation capabilities for diene copolymers. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04862-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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5
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Weng H, Zhang P, Guo Z, Chen G, Shen W, Chen J, Zhao X, Lin M. Efficient and Ultrafast Adsorption of Rhenium by Functionalized Hierarchically Mesoporous Silica: A Combined Strategy of Topological Construction and Chemical Modification. ACS APPLIED MATERIALS & INTERFACES 2021; 13:8249-8262. [PMID: 33569945 DOI: 10.1021/acsami.0c19290] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Radioactive Tc-99 released by nuclear accidents threatens the environment and human health due to its long half-life and strong transportability. A combined strategy synergizing topological construction and chemical modification was proposed for the synthesis of high-performance adsorbents for Re as an analogue to Tc. On the one hand, hierarchically mesoporous SiO2 with a fibrous structure (F-SiO2), a peculiar topology integrating wrinkled open mesopores around 12 nm and on-wall mesopores around 3 nm, was adopted as the substrate of adsorbents. The larger mesopores can act as the superhighway for mass transfer, while the abundant smaller mesopores provide numerous adsorption sites. On the other hand, a series of dicationic pyridine (DCP) derivative groups (-Py+CnH2nN+Me3) were designed to functionalize F-SiO2 for improving the adsorption performance toward ReO4- anions, the dominating form of Re in aqueous solution. Density functional theory (DFT) calculation combined with batch adsorption experiments revealed that the ReO4- adsorption on -Py+C5H10N+Me3 was the most favorable when the length of the spacer between the two positively charged N atoms ranged from 2 to 7 carbons (n = 2-7). However, -Py+C5H10N+Me3 exhibited a much slower adsorption rate than -Py+C2H4N+Me3. The stronger interaction between ReO4- and -Py+C5H10N+Me3 suppresses the adsorbate diffusion. The two positive charges of -Py+C5H10N+Me3 may be perpendicularly distributed, sterically hindering ReO4- transport in smaller mesopores. The longer and flexible carbon chains may be aggregated to form the hydrophobic region, repulsing the hydrated ReO4- anions. Therefore, the efficient and ultrafast Re adsorption was achieved by synergizing the unique topology of F-SiO2 and functionalization by -Py+C2H4N+Me3 with a shorter spacer and weaker affinity ReO4-. The detailed investigation demonstrated that -Py+C2H4N+Me3 possessed exothermic adsorption nature, adequate radiation-resistance, and excellent reusability. Meanwhile, -Py+C5H10N+Me3 exhibited stronger salinity tolerance and higher selectivity. The DCP groups are promising in decontamination of radioactive Tc, as they can meet specific requirements by manipulating the length of spacers.
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Affiliation(s)
- Hanqin Weng
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Peng Zhang
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zifang Guo
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Geng Chen
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Wanglai Shen
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jialiang Chen
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Xing Zhao
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Mingzhang Lin
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, China
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6
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Xie F, Yang Z, Xu E, Zhang L, Yue D. Preparation of graphene quantum dots modified hydrogenated carboxylated nitrile rubber interpenetrating cross-linked film. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04714-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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7
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Wonner K, Rurainsky C, Tschulik K. Operando Studies of the Electrochemical Dissolution of Silver Nanoparticles in Nitrate Solutions Observed With Hyperspectral Dark-Field Microscopy. Front Chem 2020; 7:912. [PMID: 32010665 PMCID: PMC6978802 DOI: 10.3389/fchem.2019.00912] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 12/16/2019] [Indexed: 11/20/2022] Open
Abstract
Since nanoparticles are frequently used in commercial applications, there is a huge demand to obtain deeper insights into processes at the nanoscale. Especially, catalysis, chemical and electrochemical reaction dynamics are still poorly understood. Thus, simultaneous and coupled opto-and spectro-electrochemical dark-field microscopy is used to study in situ and operando the electrochemically driven dissolution mechanism of single silver nanoparticles in the presence of nitrate ions as non-complexing counter-ions, herein. Hyperspectral imaging is used to probe the intrinsic localized surface plasmon resonance of individual silver nanospheres before, during and after their electrochemical oxidation on a transparent indium tin oxide (ITO) electrode. Furthermore, optical video imaging was performed for additional information. Based on the complete loss of spectral information and intensity, a dissolution of the particles during the reaction was concluded. This way it is revealed that the dissolution of individual particles proceeds over several seconds, indicating a hindrance by the nitrate ions. Only electrochemical analysis does not provide this insight as the measured current does not allow distinguishing between successive fast dissolution of one particle after another or slow dissolution of several particles in a concerted manner. For comparison, experiments were performed in the presence of chloride ions. It was observed that the silver chloride formation is an instantaneous process. Thus, it is possible to study and define the reaction dynamics on the single nanoparticle level in various electrochemical systems and electrolyte solutions. Accordingly, operando opto- and spectro-electrochemical studies allow us to conclude, that the oxidation of silver to solvated silver cations is a kinetically slow process, while the oxidation to silver chloride is fast. We propose this approach as a new method to study electrocatalyst materials, their transformation and degradation under operando conditions.
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Affiliation(s)
- Kevin Wonner
- Chair of Analytical Chemistry II, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Christian Rurainsky
- Chair of Analytical Chemistry II, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
| | - Kristina Tschulik
- Chair of Analytical Chemistry II, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Bochum, Germany
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8
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Wang S, Ge B, Yin Y, Wu X, Zhu H, Yue Y, Bai Z, Bao X, Yuan P. Solvent Effect in Heterogeneous Catalytic Selective Hydrogenation of Nitrile Butadiene Rubber: Relationship between Reaction Activity and Solvents with Density Functional Theory Analysis. ChemCatChem 2019. [DOI: 10.1002/cctc.201901555] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shuhan Wang
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Bingqing Ge
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Yixuan Yin
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Xinru Wu
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Haibo Zhu
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Yuanyuan Yue
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Zhengshuai Bai
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Xiaojun Bao
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
| | - Pei Yuan
- College of Chemical EngineeringFuzhou University Fuzhou 350002 P. R. China
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9
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Zhou W, Peng X. An insight into the catalytic hydrogenation mechanism of modified dendrimer-loaded rhodium ionic catalyst for unsaturated copolymer. Colloid Polym Sci 2019. [DOI: 10.1007/s00396-019-04533-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Chen J, Wu Z, Liu H, Bao X, Yuan P. A Surface-Cofunctionalized Silica Supported Palladium Catalyst for Selective Hydrogenation of Nitrile Butadiene Rubber with Enhanced Catalytic Activity and Recycling Performance. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01468] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jian Chen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Zhijie Wu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Haiyan Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Xiaojun Bao
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China
| | - Pei Yuan
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China
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11
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Luo ZH, Feng M, Lu H, Kong XX, Cao GP. Nitrile Butadiene Rubber Hydrogenation over a Monolithic Pd/CNTs@Nickel Foam Catalysts: Tunable CNTs Morphology Effect on Catalytic Performance. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b04688] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhao-Hui Luo
- UNILAB, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Miao Feng
- UNILAB, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Hui Lu
- UNILAB, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiao-Xin Kong
- UNILAB, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Gui-Ping Cao
- UNILAB, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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12
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Hu Y, Chen W, Ba M, Song W. Solvent-Free and Highly Efficient Hydrogenation of α-Pinene to Synthesize cis-Pinane by Using Ru Species Immobilized on APTS-Functionalized Cubic Phase NaNbO3. Catal Letters 2018. [DOI: 10.1007/s10562-018-2587-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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13
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Cheng T, Chen J, Cai A, Wang J, Liu H, Hu Y, Bao X, Yuan P. Synthesis of Pd/SiO 2 Catalysts in Various HCl Concentrations for Selective NBR Hydrogenation: Effects of H + and Cl - Concentrations and Electrostatic Interactions. ACS OMEGA 2018; 3:6651-6659. [PMID: 31458839 PMCID: PMC6644348 DOI: 10.1021/acsomega.8b00244] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 06/07/2018] [Indexed: 06/01/2023]
Abstract
A series of silica supported Pd (Pd/SiO2) catalysts were prepared in various HCl concentrations (C HCl) of the impregnation solution with different electrostatic interactions between Pd precursor and support, and their catalytic properties were evaluated by the selective hydrogenation of nitrile butadiene rubber (NBR). The results show that with the C HCl increasing from 0.1 to 5 M, the particle size of Pd nanoparticles dramatically decreases from 24.2 to 5.1 nm and stabilizes at ∼5 nm when C HCl is higher than 2 M. Using the catalysts prepared with a high C HCl (>2 M), an excellent hydrogenation degree (HD) of ∼94% with 100% selectivity to C=C can be acquired under mild conditions. Interestingly, the HD could be remarkably increased from 65 to 92% by increasing only C Cl - from 0.1 to 2 M with the addition of NaCl while keeping C H + at 0.1 M. This is because PdCl4 2- is the predominant existing form of precursor at high C Cl - , which has a strong electrostatic attraction with the positively charged support favorable for the formation of small-sized Pd nanoparticles over silica. Notably, Pd leaching behavior during the hydrogenation reaction is closely related to C H + , and the higher the C H + , the less Pd residues are detected in the hydrogenated NBR. Our contribution is to provide a facile strategy to synthesize effective and stable Pd/SiO2 catalysts via adjusting the electrostatic interaction, which exhibits a high activity and selectivity for NBR hydrogenation.
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Affiliation(s)
- Tingting Cheng
- State
Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, #18 FuXue Road, Beijing 102249, China
| | - Jian Chen
- State
Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, #18 FuXue Road, Beijing 102249, China
| | - Aofei Cai
- State
Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, #18 FuXue Road, Beijing 102249, China
| | - Jian Wang
- State
Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, #18 FuXue Road, Beijing 102249, China
| | - Haiyan Liu
- State
Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, #18 FuXue Road, Beijing 102249, China
| | - Yuandong Hu
- College of Chemical Engineering, State Key Laboratory of Energy and Environmental
Photocatalysis, Fuzhou University, #2 Xueyuan Road, Fuzhou 350116, China
| | - Xiaojun Bao
- College of Chemical Engineering, State Key Laboratory of Energy and Environmental
Photocatalysis, Fuzhou University, #2 Xueyuan Road, Fuzhou 350116, China
| | - Pei Yuan
- College of Chemical Engineering, State Key Laboratory of Energy and Environmental
Photocatalysis, Fuzhou University, #2 Xueyuan Road, Fuzhou 350116, China
- National
Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, #523 Gongye Road, Fuzhou 350002, China
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14
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The mesopore-elimination treatment and silanol-groups recovery for macroporous silica microspheres and its application as an efficient support for polystyrene hydrogenation. CATAL COMMUN 2018. [DOI: 10.1016/j.catcom.2018.04.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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15
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Ai C, Gong G, Zhao X, Liu P. Macroporous hollow silica microspheres-supported palladium catalyst for selective hydrogenation of nitrile butadiene rubber. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.02.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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Zhou W, Yi J, Lin J, Fang S, Peng X. Preparation of facile separable homogeneous Rhodium catalyst and its application for the catalytic hydrogenation of nitrile butadiene rubber and styrene-butadiene rubber. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2838-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Zhou W, Peng X. Preparation of a novel homogeneous bimetallic Rhodium/Palladium ionic catalyst and its application for the catalytic hydrogenation of nitrile butadiene rubber. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.09.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Selective hydrogenation of nitrile butadiene rubber (NBR) with rhodium nanoparticles supported on carbon nanotubes at room temperature. CATAL COMMUN 2016. [DOI: 10.1016/j.catcom.2016.03.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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19
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Cao P, Huang C, Zhang L, Yue D. One-step fabrication of RGO/HNBR composites via selective hydrogenation of NBR with graphene-based catalyst. RSC Adv 2015. [DOI: 10.1039/c5ra05271h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Enhanced mechanical and electrical RGO/HNBR composite was prepared by hydrogenation of NBR with grapheme-based catalyst.
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Affiliation(s)
- Peng Cao
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials
- Beijing 100029
- China
| | - Changyue Huang
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials
- Beijing 100029
- China
| | - Liqun Zhang
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials
- Beijing 100029
- China
- State Key Laboratory of Organic-Inorganic Composites
- Beijing University of Chemical Technology
| | - Dongmei Yue
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials
- Beijing 100029
- China
- State Key Laboratory of Organic-Inorganic Composites
- Beijing University of Chemical Technology
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