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Wan Q, Liu B, Zhang M, Zhao M, Dai Y, Liu W, Ding K, Lin Q, Ni Z, Li J, Wang S, Jin C, Tang Y, Qiu R. Co-transport of biochar nanoparticles (BC NPs) and rare earth elements (REEs) in water-saturated porous media: New insights into REE fractionation. JOURNAL OF HAZARDOUS MATERIALS 2023; 453:131390. [PMID: 37060752 DOI: 10.1016/j.jhazmat.2023.131390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/21/2023] [Accepted: 04/07/2023] [Indexed: 06/19/2023]
Abstract
The present study investigated the co-transport behavior of three REEs3+ (La3+, Gd3+, and Yb3+) with and without biochar nanoparticles (BC NPs) in water-saturated porous media. The presence of REEs3+ enhanced the retention of BC NPs in quartz sand (QS) due to decreased electrostatic repulsion between BC NPs and QS, enhanced aggregation of BC NPs, and the contribution of straining. The distribution coefficients (KD) in packed columns in the co-transport of BC NPs and three REEs3+ were much smaller than in batch experiments due to the different hydrodynamic conditions. In addition, we, for the first time, found that REE fractionation in the solid-liquid phase occurred during the co-transport of REEs3+ in the presence and absence of BC NPs. Note that the REE fractionation during the co-transport, which is helpful for the tracing application during earth surface processes, was driven by the interaction of REEs3+ with QS and BC NPs. This study elucidates novel insights into the fate of BC NPs and REEs3+ in porous media and indicates that (i) mutual effects between BC NPs and REE3+ should be considered when BC was applied to REE contaminated aquatic and soil systems; and (ii) REE fractionation provides a useful tool for identifying the sources of coexisting substances.
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Affiliation(s)
- Quan Wan
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Beibei Liu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Miaoyue Zhang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China.
| | - Man Zhao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China
| | - Yuan Dai
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Wenshen Liu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China
| | - Kengbo Ding
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China
| | - Qingqi Lin
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Zhuobiao Ni
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Jingjing Li
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Shizhong Wang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China
| | - Chao Jin
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China
| | - Yetao Tang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510006, China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510006, China
| | - Rongliang Qiu
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China.
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Recovery of rare earth elements from mine wastewater using biosynthesized reduced graphene oxide. J Colloid Interface Sci 2023; 638:449-460. [PMID: 36758257 DOI: 10.1016/j.jcis.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/20/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
Recycling rare earth elements (REEs) from sources of secondary waste such as REEs mine wastewater has emerged as a sustainable approach with both waste reuse and wastewater processing. In this study, green reduced graphene oxide (G-rGO) was prepared utilizing green tea extract with the advantages of being environmentally friendly, sustainable, and low cost. To understand how G-rGO functions, it was compared to commercial reduced graphene oxide (rGO), and the efficiencies in adsorbing Y(III) were 91.6% and 11.9%, respectively. This indicated there is a synergistic adsorption between the capping layer of G-rGO and rGO alone. G-rGO and rGO were characterized before and after exposure to Y(III). This comparison indicated that Y(III) was adsorbed on the surface of G-rGO through complexation and electrostatic interaction. The adsorption kinetics best fit the pseudo-second-order model and the Langmuir model isotherm model, with adsorption capacities of 24.54 mg g-1. A probable adsorption mechanism of Y(III) by G-rGO was proposed, involving electronic complexation, electrostatic adsorption and ion exchange. Furthermore, the adsorption efficiencies of G-rGO for Y(III), Ce(III) and Zn(II) in mine wastewater were 22.1%, 89.1% and 14.6%, respectively. These results demonstrate that G-rGO has great potential in the recovery of REEs from mine wastewater.
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Cao M, Peng Q, Wang Y, Luo G, Feng L, Zhao S, Yuan Y, Wang N. High-efficiency uranium extraction from seawater by low-cost natural protein hydrogel. Int J Biol Macromol 2023; 242:124792. [PMID: 37169051 DOI: 10.1016/j.ijbiomac.2023.124792] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/26/2023] [Accepted: 05/05/2023] [Indexed: 05/13/2023]
Abstract
Utilization of uranium resource in seawater are highly possible to meet the growth demands for the sustainable development of nuclear energy industry. Bio-adsorbents exhibit high performance in terms of adsorption selectivity, equilibrium speed, and environmental friendliness, while the high fabrication cost hinders their practical application. In this study, a low-cost soy protein isolate (SPI) is used to fabricate adsorbent named SPI hydrogel for uranium extraction. This is the first report on applying bio-adsorbents derived from low-cost natural proteins for uranium extraction. The SPI hydrogel showed high uranium adsorption capacity of 53.94 mg g-1 in simulated nuclear wastewater and 5.29 mg g-1 is achieved in natural seawater, which is higher than all currently available adsorbents based on non-modified natural biomolecules. The amino and oxygen-containing groups are identified as the functional groups for uranyl binding by providing four oxygen and two nitrogen atoms to form equatorial coordination with uranyl, which guarantees the high binding selectivity and affinity to uranyl ions. The low cost for accessing the raw material together with the environmental friendliness, high salt tolerance, high uranium adsorption ability, and high selectivity to uranium, make SPI hydrogel a promising adsorbent for uranium extraction from seawater and nuclear wastewater.
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Affiliation(s)
- Meng Cao
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Qin Peng
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, College of Life Sciences, Hainan Normal University, Haikou 571158, China.
| | - Yue Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Guangsheng Luo
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Lijuan Feng
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Shilei Zhao
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Yihui Yuan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China.
| | - Ning Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China.
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4
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Toorchi Roudsari S, Sadjadi S. Iodine‐Functionalized Magnetic Reduced Graphene Oxide as an Efficient Nanocatalyst for Acetylation of Phenol, Alcohol, and Sugar Derivatives. ChemistrySelect 2023. [DOI: 10.1002/slct.202204067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Saeedeh Toorchi Roudsari
- Radiation Application Research School Nuclear Science and Technology Research Institute End of North Karegar Ave. Po. Box: 14399–51113 14155-1339 Tehran Iran
| | - Sodeh Sadjadi
- Radiation Application Research School Nuclear Science and Technology Research Institute End of North Karegar Ave. Po. Box: 14399–51113 14155-1339 Tehran Iran
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Gu H, Liu X, Wang S, Chen Z, Yang H, Hu B, Shen C, Wang X. COF-Based Composites: Extraordinary Removal Performance for Heavy Metals and Radionuclides from Aqueous Solutions. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 260:23. [DOI: doi.org/10.1007/s44169-022-00018-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/30/2022] [Indexed: 06/25/2023]
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6
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Paz R, Gupta NK, Viltres H, Leyva C, Romero-Galarza A, Srinivasan S, Rajabzadeh AR. Lanthanides adsorption on metal-organic framework: Experimental insight and spectroscopic evidence. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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7
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Amesh P, Venkatesan KA, Suneesh AS, Chandra M, Gupta DK, Thoguluva RR. Efficient and selective adsorption of U(VI) by succinic acid modified iron oxide adsorbent. RADIOCHIM ACTA 2022. [DOI: 10.1515/ract-2021-1115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The iron oxide surface was modified with succinic acid moiety and the adsorbent obtained, Fe-SUC, was evaluated for the adsorption of U(VI) (Uranium (VI)) from aqueous solution. The Fe-SUC was characterized by FT-IR (Fourier Transform Infrared Spectroscopy), Raman spectroscopy, thermogravimetry, X-ray diffraction, SEM-EDX (Scanning Electron Microscope - Energy-dispersive X-ray Spectroscopy), and particle size analysis. The adsorption behavior of U(VI) on Fe-SUC was studied as a function of pH, contact time, and concentration of U(VI) in the aqueous phase. The adsorption of U(VI) increased with increase in the pH of aqueous phase, and the adsorption saturation occurred at pH = 6. The kinetic data obtained for the adsorption of U(VI) on Fe-SUC were modeled with the pseudo-first-order and pseudo-second-order rate models. Similarly, the U(VI) adsorption isotherm was fitted with Langmuir, Freundlich, Temkin, and Dubinin-Radushkevich adsorption isotherm models. The Langmuir adsorption capacity of U(VI) on Fe-SUC was about ∼176 mg g−1. The selectivity of the adsorbent toward U(VI) was evaluated in the presence of several possible interfering ions. The adsorbed U(VI) was recovered by 0.5 M sodium carbonate solution and the spent adsorbent was tested for its reusability.
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Affiliation(s)
- Pamarthi Amesh
- Reprocessing Research and Development Group, Indira Gandhi Centre for Atomic Research , Kalpakkam 603 102 , India
- Homi Bhabha National Institute , Anushaktinagar , Mumbai , Maharashtra 400094 , India
| | - Konda Athmaram Venkatesan
- Reprocessing Research and Development Group, Indira Gandhi Centre for Atomic Research , Kalpakkam 603 102 , India
- Homi Bhabha National Institute , Anushaktinagar , Mumbai , Maharashtra 400094 , India
| | - Asokan Sudha Suneesh
- Materials Chemistry and Metal Fuel Cycle Group, Indira Gandhi Centre for Atomic Research , Kalpakkam 603 102 , India
| | - Manish Chandra
- Materials Chemistry and Metal Fuel Cycle Group, Indira Gandhi Centre for Atomic Research , Kalpakkam 603 102 , India
| | - Deepak K. Gupta
- Materials Science Group, Indira Gandhi Centre for Atomic Research , Kalpakkam 603 102 , India
| | - Ravindran R. Thoguluva
- Materials Science Group, Indira Gandhi Centre for Atomic Research , Kalpakkam 603 102 , India
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8
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Mohanty BN, Yuvaraj R, Jena H, Ponraju D. Graphene Oxide as an Adsorbent for Ruthenium from Aqueous Solution. ChemistrySelect 2022. [DOI: 10.1002/slct.202200078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Biranchi Narayan Mohanty
- Health & Industrial Safety Division
- Homi Bhabha National Institute IGCAR Campus Indira Gandhi Centre for Atomic Research Kalpakkam 603102 India
| | | | - Hrudananda Jena
- Materials Chemistry and Metal Fuel Cycle Group
- Homi Bhabha National Institute IGCAR Campus Indira Gandhi Centre for Atomic Research Kalpakkam 603102 India
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9
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Zhou L, Dong F, Zhang W, Chen Y, Zhou L, Zheng F, Lv Z, Xue J, He D. Biosorption and biomineralization of U(VI) by Kocuria rosea: Involvement of phosphorus and formation of U-P minerals. CHEMOSPHERE 2022; 288:132659. [PMID: 34699883 DOI: 10.1016/j.chemosphere.2021.132659] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
The biosorption and biomineralization behavior of U(VI) by Kocuria rosea with uranium resistance higher than other general microorganisms was investigated in this study. The results showed the obvious effects of initial U(VI) concentration, biomass, time, and especially pH, and presented that U(VI) was immobilized to K. rosea by physical and chemical action. The characterization results for the precipitation proved that U-P minerals with U(VI) (H3OUO2PO4·3H2O, H2(UO2)2(PO4)2·8H2O) or U(IV) (CaU(PO4)2) were dominant, and the crystallization level increased with time. In the process, the phosphorous containing groups, amino, hydroxyl and carboxyl groups played important roles in adsorption of U(VI), and the phosphate groups were crucial in immobilization of uranium, showing the importance of groups containing phosphorus in both biosorption and biomineralization processes. Our findings focus on the biosorption and biomineralization mechanism of U(VI) by K. rosea, emphasize the synergy of physical adsorption and chemical immobilization in the process and formation of U(VI)-P and U(IV)-P minerals, and highlight the significance of phosphorus involvement in the reaction.
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Affiliation(s)
- Lin Zhou
- School of Environment and Resources, Southwest University of Science and Technology, Mianyang, 621010, PR China; Key Laboratory of Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang, 621010, PR China
| | - Faqin Dong
- Key Laboratory of Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang, 621010, PR China.
| | - Wei Zhang
- Analytical and Testing Center, Southwest University of Science and Technology, Mianyang, 621010, PR China.
| | - Yuheng Chen
- School of Environment and Resources, Southwest University of Science and Technology, Mianyang, 621010, PR China; Key Laboratory of Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang, 621010, PR China
| | - Lei Zhou
- Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang, 621010, PR China
| | - Fei Zheng
- School of Environment and Resources, Southwest University of Science and Technology, Mianyang, 621010, PR China; Key Laboratory of Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang, 621010, PR China
| | - Zhenzhen Lv
- Key Laboratory of Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang, 621010, PR China; School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang, 621010, PR China
| | - Jingyuan Xue
- School of Environment and Resources, Southwest University of Science and Technology, Mianyang, 621010, PR China; Key Laboratory of Solid Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Mianyang, 621010, PR China
| | - Dengliang He
- School of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang, 621000, PR China
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Terephthalaldehyde-Phenolic Resins as a Solid-Phase Extraction System for the Recovery of Rare-Earth Elements. Polymers (Basel) 2022; 14:polym14020311. [PMID: 35054717 PMCID: PMC8780303 DOI: 10.3390/polym14020311] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/06/2022] [Accepted: 01/07/2022] [Indexed: 12/10/2022] Open
Abstract
Rare-earth elements (REEs) are involved in most high technology devices and have become critical for many countries. The progress of processes for the extraction and recovery of REEs is therefore essential. Liquid–solid extraction methods are an attractive alternative to the conventional solvent extraction process used for the separation and/or purification of REEs. For this purpose, a solid-phase extraction system was investigated for the extraction and valorization of REEs. Ion-exchange resins were synthesized involving the condensation of terephthalaldehyde with resorcinol under alkaline conditions. The terephthalaldehyde, which is a non-hazardous aromatic dialdehyde, was used as an alternative to formaldehyde that is toxic and traditionally involved to prepare phenolic ion-exchange resins. The resulting formaldehyde-free resole-type phenolic resins were characterized and their ion-exchange capacity was investigated in regard to the extraction of rare-earth elements. We herein present a promising formaldehyde and phenol-free as a potential candidate for solid–liquid extraction REE with a capacity higher than 50 mg/g and the possibility to back-extract the REEs by a striping step using a 2 M HNO3 solution.
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Salunkhe G, Sengupta A, Boda A, Paz R, Gupta NK, Leyva C, Chauhan RS, Ali SM. Application of hybrid MOF composite in extraction of f-block elements: Experimental and computational investigation. CHEMOSPHERE 2022; 287:132232. [PMID: 34562706 DOI: 10.1016/j.chemosphere.2021.132232] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
An attempt was made to understand the sorption behaviour of UO22+, Th4+ and Eu3+ on novel hybrid metal-organic framework composites, FeBDC@CoBDC. The XRD pattern revealed the composite nature of the hybrid MOF materials, while FTIR and Raman spectroscopic analyses evidenced the presence of different functional moieties. The thermal stability of the hybrid MOF composites was investigated through thermogravimetric analysis. The sorption predominantly followed Langmuir isotherm with sorption capacity of 189 mg g-1, 224 mg g-1 and 205 mg g-1 for UO22+, Th4+ and Eu3+ respectively. The sorption proceeded through chemisorption following pseudo 2nd order rate kinetics. The processes were found to be thermodynamically favourable and endothermic in nature. However, they were entropically driven. Multiple contacts of complexing agents were necessary for quantitative elution of f-elements from loaded MOF. The MOF showed moderate stability towards radiation exposure. DFT calculation was used for the optimization of structures, estimation of bond length and estimation of binding energy. In hybrid MOF composites, the Fe atom was having six coordination with 4 O atoms of BDC moieties and 2 O atoms of -OH groups. The O atoms of BDC and -OH groups were coordinated to Eu, Th and U atoms during their sorption.
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Affiliation(s)
- Gauri Salunkhe
- Departmentof Chemistry, K.J.Somaiya College of Science and Commerce, Vidya-vihar, Mumbai, 400077, India
| | - Arijit Sengupta
- Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India; Homi Bhabha National Institute, Mumbai, India.
| | - Anil Boda
- Chemical Engineering Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Roxana Paz
- InstitutoPolitécnico Nacional, Centro de InvestigaciónenCienciaAplicada y TecnologíaAvanzada, CDMX, Mexico
| | - Nishesh Kumar Gupta
- University of Science and Technology (UST), Daejeon, Republic of Korea; Department of Land, Water, and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT), Goyang, Republic of Korea
| | - Carolina Leyva
- InstitutoPolitécnico Nacional, Centro de InvestigaciónenCienciaAplicada y TecnologíaAvanzada, CDMX, Mexico
| | - Rohit Singh Chauhan
- Chemical Engineering Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Sk Musharaf Ali
- Homi Bhabha National Institute, Mumbai, India; Chemical Engineering Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
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12
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Yi F, Tao M, Zhang S, Han X, Min X. Pillararene‐Based Nanochannels for Para‐Xylene Separation from Xylene Isomers. ChemistrySelect 2021. [DOI: 10.1002/slct.202103809] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Fan Yi
- Hubei Key Laboratory of Catalysis and Materials Science College of Chemistry and Material Sciences South-Central University for Nationalities Wuhan 430074 People's Republic of China
| | - Mingjie Tao
- Hubei Key Laboratory of Catalysis and Materials Science College of Chemistry and Material Sciences South-Central University for Nationalities Wuhan 430074 People's Republic of China
| | - Siyun Zhang
- Key Laboratory of Pesticide and Chemical Biology (CCNU) Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
| | - Xiao‐Le Han
- Hubei Key Laboratory of Catalysis and Materials Science College of Chemistry and Material Sciences South-Central University for Nationalities Wuhan 430074 People's Republic of China
| | - Xuehong Min
- Hubei Key Laboratory of Catalysis and Materials Science College of Chemistry and Material Sciences South-Central University for Nationalities Wuhan 430074 People's Republic of China
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Ultra-high capacity of graphene oxide conjugated covalent organic framework nanohybrid for U(VI) and Eu(III) adsorption removal. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114603] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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14
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Gao L, Wang Z, Qin C, Chen Z, Gao M, He N, Qian X, Zhou Z, Li G. Preparation and application of iron oxide/persimmon tannin/ graphene oxide nanocomposites for efficient adsorption of erbium from aqueous solution. J RARE EARTH 2020. [DOI: 10.1016/j.jre.2020.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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15
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Alqahtany FZ, Khalil M. Adsorption of 140La and 144Ce radionuclides on ZnO nanoparticles: equilibrium and kinetics studies. J Radioanal Nucl Chem 2020. [DOI: 10.1007/s10967-020-07447-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Jing X, Chen L, Wang Y, Wang Y, Yang X, Dai J, Dai X, Jiang Y, Liu Y, Liu Z, Yan Y. Efficient removal of phosphate with La modified rGO/silica large-mesoporous films. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.04.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Sarkar R, Kumari S, Kundu TK. Density functional theory based studies on the adsorption of rare-earth ions from hydrated nitrate salt solutions on g-C 3N 4 monolayer surface. J Mol Graph Model 2020; 97:107577. [PMID: 32179421 DOI: 10.1016/j.jmgm.2020.107577] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/28/2020] [Accepted: 03/03/2020] [Indexed: 12/14/2022]
Abstract
This article represents density functional theory (DFT) based comparative analysis on six trivalent rare-earth ions (RE3+; RE: Y, La, Ce, Sm, Eu and Gd) absorption, from the respective nitrate-hexahydrate salts, on graphitic carbon nitride (g-C3N4) 2D monolayer, and the photocatalytic properties of the RE3+ adsorbed g-C3N4 systems (g-C3N4/RE3+) based on the ground-state electronic structure calculations. Structure, stability and coordination chemistry of two configurations of each hydrated RE-salt system are discussed in detail. Both DFT (B3LYP/SDD) and semi-empirical (Sparkle/PM7) calculations identify the central N6 vacancy of pristine g-C3N4 as the most suitable site for RE3+ adsorption. Bader's QTAIM, Mayer bond order and charge population analyses (ADCH, CHELPG and DDEC) are performed to describe the bond characteristics within the systems under study. Thermochemical calculations suggest that the adsorption process is thermodynamically more feasible for higher atomic number (Z) RE3+ [Sm3+, Eu3+ and Gd3+], compared to lower-Z RE3+ [Y3+, La3+ and Ce3+] ions. Besides, the better photocatalytic properties of higher-Z RE3+ adsorbed g-C3N4 systems are revealed from better HOMO-LUMO delocalization, decreased HOMO-LUMO gap, increased softness, higher electrophilicity and electron transfer parameter, compared to pristine or lower-Z RE3+ adsorbed g-C3N4 systems, as obtained from Hirshfeld orbital compositions, density of states and condensed Fukui function analyses.
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Affiliation(s)
- Ranjini Sarkar
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
| | - Sweta Kumari
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Tarun Kumar Kundu
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
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Comparing the Adsorption Performance of Multiwalled Carbon Nanotubes Oxidized by Varying Degrees for Removal of Low Levels of Copper, Nickel and Chromium(VI) from Aqueous Solutions. WATER 2020. [DOI: 10.3390/w12030723] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Functionalized multiwalled carbon nanotubes (MWCNTs) have drawn wide attention in recent years as novel materials for the removal of heavy metals from the aquatic media. This paper investigates the effect that the functionalization (oxidation) process duration time (3 h or 6 h) has on the ability of MWCNTs to treat water contaminated with low levels of Cu(II), Ni(II) and Cr(VI) (initial concentrations 0.5–5 mg L−1) and elucidates the adsorption mechanisms involved. Adsorbent characterization showed that the molar ratio of C and O in these materials was slightly lower for the oxMWCNT6h, due to the higher degree of oxidation, but the specific surface areas and mesopore volumes of these materials were very similar, suggesting that prolonging the functionalization duration had an insignificant effect on the physical characteristics of oxidized multiwalled carbon nanotubes (oxMWCNTs). Increasing the Ph of the solutions from Ph 2 to Ph 8 had a large positive impact on the removal of Cu(II) and Ni(II) by oxMWCNT, but reduced the adsorption of Cr(VI). However, the ionic strength of the solutions had far less pronounced effects. Coupled with the results of fitting the kinetics data to the Elowich and Weber–Morris models, we conclude that adsorption of Cu(II) and Ni(II) is largely driven by electrostatic interactions and surface complexation at the interface of the adsorbate/adsorbent system, whereas the slower adsorption of Cr(VI) on the oxMWCNTs investigated is controlled by an additional chemisorption step where Cr(VI) is reduced to Cr(III). Both oxMWCNT3h and oxMWCNT6h have high adsorption affinities for the heavy metals investigated, with adsorption capacities (expressed by the Freundlich coefficient KF) ranging from 1.24 to 13.2 (mg g−1)/(mg l−1)n, highlighting the great potential such adsorbents have in the removal of heavy metals from aqueous solutions.
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Foster RI, Amphlett JT, Kim KW, Kerry T, Lee K, Sharrad CA. SOHIO process legacy waste treatment: Uranium recovery using ion exchange. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2019.09.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Cortes-Arriagada D, Mella A. Performance of doped graphene nanoadsorbents with first-row transition metals (Sc Zn) for the adsorption of water-soluble trivalent arsenicals: A DFT study. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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