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Chao Y, Deng N, Zhou Z. A review of recent advances in metal-organic frameworks materials for zero-energy passive adsorption of chemical pollutants in indoor environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 953:175926. [PMID: 39218109 DOI: 10.1016/j.scitotenv.2024.175926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2024] [Revised: 07/26/2024] [Accepted: 08/29/2024] [Indexed: 09/04/2024]
Abstract
Approximately 75-90 % of a person's lifetime is spent inside increasingly airtight buildings, where indoor pollutant levels typically exceed those outdoors. Poor indoor air quality can lead to allergies, respiratory diseases, and even cancer, and can also reduce the longevity of buildings. Passive adsorption materials play a crucial role in reducing indoor pollutants. This review highlights the latest advances in using Metal-organic Frameworks (MOFs) as passive adsorption materials for indoor pollutant capture and outlines the principles for developing high-performance adsorbents. It provides a comparative analysis of the development and performance of MOFs and composite adsorbent materials, highlighting their respective advantages and limitations in indoor pollutant adsorption technology. The article proposes strategies to address these challenges and offers a comprehensive review of current practical adsorption devices. Finally, aiming to advance commercialization of MOFs, the anticipated development of indoor pollutant adsorption technology is discussed in this paper.
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Affiliation(s)
- Yuechao Chao
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Na Deng
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China.
| | - Zhihua Zhou
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
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2
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Wang J, Yang C, Fu M, Ye D, Fan L, Hu Y. Derivatives of Br-doped metal-organic framework for improved acetaldehyde adsorption-photocatalytic oxidation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 932:172941. [PMID: 38703844 DOI: 10.1016/j.scitotenv.2024.172941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 04/10/2024] [Accepted: 04/30/2024] [Indexed: 05/06/2024]
Abstract
Different Br-doped metal-organic frameworks (MOFs) derived (Brx@UiO-66) have been prepared by heat treatment using UiO-66 as the precursor. The experimental results showed that Br0.2@UiO-66 exhibited the best photocatalytic oxidation and adsorption performances toward acetaldehyde. In the dynamic system, the acetaldehyde removal rate and adsorption capacity of Br0.2@UiO-66 were 93.2 % and 230.59 mg/g, respectively. The improvement of the photocatalytic performance can be attributed to the presence of Br ions and CBr bonds, which facilitated the rapid separation of electrons and holes and the production of •O2-. In addition, Br0.2@UiO-66 had a better adsorption performance than 300UiO-66, mainly because of the increased Lewis acidity of the metal active sites due to Br doping. Radical capture experiments indicated that •O2- and e- were the primary active substances in acetaldehyde oxidation, and allowed establishing the possible mechanism of acetaldehyde oxidation. This work shows that MOFs can have high catalytic oxidation performances toward volatile organic compounds (VOCs) while retaining their adsorption capacity, and can be used for practical applications in the adsorption-catalytic integrated degradation of VOCs.
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Affiliation(s)
- Jun Wang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Changqing Yang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Mingli Fu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China
| | - Daiqi Ye
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China
| | - Lan Fan
- Yancheng Lanfeng Environmental Engineering Technology Co., Ltd., Yancheng 224051, PR China
| | - Yun Hu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China.
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Lu D, Klomkliang N, Verpoort F, Chaemchuen S. Tuning Coordination in ZIF-67 Through the Solid-State Thermal Synthesis for Balancing Structural Stability and Catalytic Reactivity. ACS APPLIED MATERIALS & INTERFACES 2024; 16:32322-32333. [PMID: 38861003 DOI: 10.1021/acsami.4c07877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Tailor-made unsaturated coordination of metal ions or organic linkers in zeolitic imidazole frameworks (ZIFs) has great potential in tuning the ZIFs' properties and reactivity for their applications. Taking advantage of the solid-state thermal (SST) method as a facile and eco-friendly synthesis method, the rational coordination of metal ions with imidazole ligands in ZIF-67 through the SST method is investigated. The rational precursor ratio (metal-to-ligand source) under the solvent-free SST method emerges as a perfect strategy to tune the coordinately unsaturated sites within the ZIF-67 frameworks. Different analysis techniques, computational methods (DFT), and catalytic model reactions examine unsaturated coordination in ZIF-67 materials (defect structures). The unsaturated coordination provides unique characteristic properties on materials with excellent catalytic performance. However, the higher reactive properties are negotiated with weaker structural stability on materials. In addition, the post-SST approach is applied to enable rational coordination and modify the pristine ZIF-67 materials. The post-SST method rearranges and modifies coordination in the framework of materials. These findings are crucial to understanding the role of the uncoordinated degree to balance with structural stability based on ZIF-67, which is critical for effective heterogeneous catalysts.
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Affiliation(s)
- Deshuang Lu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Nikom Klomkliang
- School of Chemical Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- Joint Institute of Chemical Research (FFMiEN), Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Str., Moscow 117198, Russia
- National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk 634050, Russia
| | - Somboon Chaemchuen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
- Department of Chemical Engineering, Faculty of Engineering, Mahidol University, Nakhon Pathom 73170, Thailand
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He MQ, Chang XY, Li HW, Wu Y. Highly Dispersive Gold Nanoclusters Confined within Micropores of Defective UiO-66 for Highly Efficient Aldehyde Oxidation at Mild Conditions. Int J Mol Sci 2024; 25:6779. [PMID: 38928488 PMCID: PMC11203797 DOI: 10.3390/ijms25126779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
The oxidative esterification of aldehydes under mild conditions remains a significant challenge. This study introduces a unique defective UiO-66 to achieve gold nanoclusters (AuNCs) for efficient aldehyde oxidation under mild conditions. The construction and characterization of these materials are thoroughly investigated by techniques of XRD, SEM and TEM images, FT-IR, Raman, and XPS spectrum, emphasizing the unique microporous in defective UiO-66 are conducive to the fabrication of AuNCs. The catalytic performance of the prepared materials in aldehyde oxidation reactions is systematically evaluated, demonstrating the remarkable efficiency of dispersed Au@UiO-66-25 with high-content (9.09 wt%) Au-loading and ultra-small size (~2.7 nm). Moreover, mechanistic insights into the catalytic process under mild conditions (70 °C for 1 h) are provided, elucidating the determination of defective UiO-66 in the confined fabrication of AuNCs and subsequent furfural adsorption, which underlie the principles governing the observed enhancements. This study establishes the groundwork for the synthesis of highly dispersed and catalytically active metal nanoparticles using defective MOFs as a platform, advancing the catalytic esterification reaction of furfural to the next level.
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Affiliation(s)
- Ming-Qin He
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun 130012, China; (M.-Q.H.); (X.-Y.C.); (H.-W.L.)
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun 130023, China
| | - Xin-Yu Chang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun 130012, China; (M.-Q.H.); (X.-Y.C.); (H.-W.L.)
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun 130023, China
| | - Hong-Wei Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun 130012, China; (M.-Q.H.); (X.-Y.C.); (H.-W.L.)
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun 130023, China
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun 130012, China; (M.-Q.H.); (X.-Y.C.); (H.-W.L.)
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun 130023, China
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Daliran S, Oveisi AR, Kung CW, Sen U, Dhakshinamoorthy A, Chuang CH, Khajeh M, Erkartal M, Hupp JT. Defect-enabling zirconium-based metal-organic frameworks for energy and environmental remediation applications. Chem Soc Rev 2024; 53:6244-6294. [PMID: 38743011 DOI: 10.1039/d3cs01057k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
This comprehensive review explores the diverse applications of defective zirconium-based metal-organic frameworks (Zr-MOFs) in energy and environmental remediation. Zr-MOFs have gained significant attention due to their unique properties, and deliberate introduction of defects further enhances their functionality. The review encompasses several areas where defective Zr-MOFs exhibit promise, including environmental remediation, detoxification of chemical warfare agents, photocatalytic energy conversions, and electrochemical applications. Defects play a pivotal role by creating open sites within the framework, facilitating effective adsorption and remediation of pollutants. They also contribute to the catalytic activity of Zr-MOFs, enabling efficient energy conversion processes such as hydrogen production and CO2 reduction. The review underscores the importance of defect manipulation, including control over their distribution and type, to optimize the performance of Zr-MOFs. Through tailored defect engineering and precise selection of functional groups, researchers can enhance the selectivity and efficiency of Zr-MOFs for specific applications. Additionally, pore size manipulation influences the adsorption capacity and transport properties of Zr-MOFs, further expanding their potential in environmental remediation and energy conversion. Defective Zr-MOFs exhibit remarkable stability and synthetic versatility, making them suitable for diverse environmental conditions and allowing for the introduction of missing linkers, cluster defects, or post-synthetic modifications to precisely tailor their properties. Overall, this review highlights the promising prospects of defective Zr-MOFs in addressing energy and environmental challenges, positioning them as versatile tools for sustainable solutions and paving the way for advancements in various sectors toward a cleaner and more sustainable future.
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Affiliation(s)
- Saba Daliran
- Department of Organic Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad 68151-44316, Iran.
| | - Ali Reza Oveisi
- Department of Chemistry, University of Zabol, P.O. Box: 98615-538, Zabol, Iran.
| | - Chung-Wei Kung
- Department of Chemical Engineering, National Cheng Kung University, 1 University Road, Tainan City 70101, Taiwan.
| | - Unal Sen
- Department of Materials Science and Engineering, Faculty of Engineering, Eskisehir Technical University, Eskisehir 26555, Turkey
| | - Amarajothi Dhakshinamoorthy
- Departamento de Quimica, Universitat Politècnica de València, Av. De los Naranjos s/n, 46022 Valencia, Spain
- School of Chemistry, Madurai Kamaraj University, Madurai 625021, India
| | - Cheng-Hsun Chuang
- Department of Chemical Engineering, National Cheng Kung University, 1 University Road, Tainan City 70101, Taiwan.
| | - Mostafa Khajeh
- Department of Chemistry, University of Zabol, P.O. Box: 98615-538, Zabol, Iran.
| | - Mustafa Erkartal
- Department of Basic Sciences, Faculty of Engineering, Architecture and Design, Bartin University, Bartin 74110, Turkey
| | - Joseph T Hupp
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA.
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Damiri Z, Jafari S, Yousefinejad S, Kazemian H. Enhanced adsorption of toluene on thermally activated ZIF-67: Characterization, performance, and modeling insights. Heliyon 2024; 10:e30745. [PMID: 38765099 PMCID: PMC11098846 DOI: 10.1016/j.heliyon.2024.e30745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/25/2024] [Accepted: 05/03/2024] [Indexed: 05/21/2024] Open
Abstract
The zeolitic imidazolate framework-67 (ZIF-67) has been explored for the dynamic adsorption of toluene vapor. We synthesized ZIF-67 through a straightforward room-temperature process and characterized it using XRD, FT-IR, DLS, and SEM techniques. The synthesized ZIF-67 possessed a Brunauer-Emmett-Teller (BET) surface area of 1578.7 m2/g and 0.76 μm particle size. Thermal activation under various conditions revealed that ZIF-67, activated in dry air at 250 °C, demonstrated optimal adsorption efficacy. Its adsorption capacity, time of breakthrough, and time of equilibration were 414.5 mg/g, 420 min, and 795 min, respectively. We investigated the impact of diverse operational parameters on adsorption through breakthrough curve analysis. An increase in the toluene concentration from 100 to 1000 ppm enhanced the adsorption capacity from 171 to 414 mg/g, while breakthrough time decreased from 1260 min to 462 min, respectively. Our findings show that increasing relative humidity from 0 to 70 % reduced 53.7 % in adsorption capacity and 46.3 % in breakthrough time. The competitive adsorption of toluene and ethylbenzene revealed that ZIF-67 had a higher selectivity for toluene adsorption. A 98 % adsorbent's regeneration efficiency at the first cycle reveals its reusability. The experimental data were successfully fitted to the Yan, Thomas, and Yoon-Nelson models to describe the adsorption process. The statistical validation of the model parameters confirms their reliability for estimating adsorption parameters, thus facilitating the design of fixed-bed adsorption columns for practical applications.
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Affiliation(s)
- Zabiholah Damiri
- Department of Occupational Health and Safety Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Jafari
- Department of Occupational Health and Safety Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Yousefinejad
- Department of Occupational Health and Safety Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Kazemian
- Materials Technology & Environmental Research (MATTER) Lab, University of Northern British Columbia, Prince George, BC, Canada
- Northern Analytical Lab Services (Northern BC's Environmental and Climate Solutions Innovation Hub), University of Northern British Columbia, Prince George, BC, Canada
- Environmental Sciences Program, Faculty of Environment, University of Northern British Columbia, Prince George, British Columbia, V2N4Z9, Canada
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7
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Qin H, Sun J, Yang X, Li H, Li X, Wang R, He S, Zhou C. Defective UiO-66 metal-organic gels for optimizing gaseous toluene capture. J Colloid Interface Sci 2024; 655:23-31. [PMID: 37924588 DOI: 10.1016/j.jcis.2023.10.103] [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: 08/28/2023] [Revised: 10/10/2023] [Accepted: 10/19/2023] [Indexed: 11/06/2023]
Abstract
Developing high-performance sorbents for volatile organic compounds (VOCs) is urgently required for environmental cleaning and personnel protection. Zirconium-based metal-organic frameworks (Zr-MOFs) have been deemed attractive candidates for gaseous toluene capture due to their superior stability and high adsorption capacity. However, the practical application of powdered Zr-MOFs is hindered by inherent limitations. Here, we report a series of defective UiO-66 metal-organic gels (G66-X) with variable missing linker deficiency by altering the modulator concentration. The defect concentration of the adsorbents has a significant impact on the porosity and gaseous toluene adsorption capacity. Dynamic breakthrough results reveal that G66-9 demonstrates optimal breakthrough time of 336 min/g and uptake amount of 334 mg/g, outperforming those of many other typical toluene adsorbents. The breakthrough times and the uptake capacities dramatically decrease with the increase of adsorption temperature. An outstanding regeneration performance of adsorbents can almost maintain even after five adsorption-desorption cycles.
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Affiliation(s)
- Haojie Qin
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China; State Key Laboratory of NBC Protection for Civilian, Beijing 100191, China
| | - Junwei Sun
- School of Safety Science and Emergency Management, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; State Key Laboratory of NBC Protection for Civilian, Beijing 100191, China
| | - Xiaobin Yang
- State Key Laboratory of NBC Protection for Civilian, Beijing 100191, China
| | - Heguo Li
- State Key Laboratory of NBC Protection for Civilian, Beijing 100191, China
| | - Xiaopeng Li
- State Key Laboratory of NBC Protection for Civilian, Beijing 100191, China
| | - Ruixue Wang
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Song He
- School of Safety Science and Emergency Management, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
| | - Chuan Zhou
- State Key Laboratory of NBC Protection for Civilian, Beijing 100191, China.
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Shah SSA, Sohail M, Murtza G, Waseem A, Rehman AU, Hussain I, Bashir MS, Alarfaji SS, Hassan AM, Nazir MA, Javed MS, Najam T. Recent trends in wastewater treatment by using metal-organic frameworks (MOFs) and their composites: A critical view-point. CHEMOSPHERE 2024; 349:140729. [PMID: 37989439 DOI: 10.1016/j.chemosphere.2023.140729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/26/2023] [Accepted: 11/13/2023] [Indexed: 11/23/2023]
Abstract
Respecting the basic need of clean and safe water on earth for every individual, it is necessary to take auspicious steps for waste-water treatment. Recently, metal-organic frameworks (MOFs) are considered as promising material because of their intrinsic features including the porosity and high surface area. Further, structural tunability of MOFs by following the principles of reticular chemistry, the MOFs can be functionalized for the high adsorption performance as well as adsorptive removal of target materials. However, there are still some major concerns associated with MOFs limiting their commercialization as promising adsorbents for waste-water treatment. The cost, toxicity and regenerability are the major issues to be addressed for MOFs to get insightful results. In this article, we have concise the current strategies to enhance the adsorption capacity of MOFs during the water-treatment for the removal of toxic dyes, pharmaceuticals, and heavy metals. Further, we have also discussed the role of metallic nodes, linkers and associated functional groups for effective removal of toxic water pollutants. In addition to conformist overview, we have critically analyzed the MOFs as adsorbents in terms of toxicity, cost and regenerability. These factors are utmost important to address before commercialization of MOFs as adsorbents for water-treatment. Finally, some future perspectives are discussed to give directions for potential research.
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Affiliation(s)
- Syed Shoaib Ahmad Shah
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Manzar Sohail
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Ghulam Murtza
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad, 44000, Pakistan
| | - Amir Waseem
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Aziz Ur Rehman
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Iftikhar Hussain
- Department of Mechanical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong
| | - Muhammad Sohail Bashir
- Institute of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui, 230601, China
| | - Saleh S Alarfaji
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Ahmed M Hassan
- Faculty of Engineering and Technology, Future University in Egypt, New Cairo, 11835, Egypt
| | - Muhammad Altaf Nazir
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.
| | - Muhammad Sufyan Javed
- School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, China.
| | - Tayyaba Najam
- College of Chemistry and Environmental Sciences, Shenzhen University, Shenzhen, 518060, Guangdong, China.
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Yu J, Wang X, Wang Y, Xie X, Xie H, Vorayos N, Sun J. Heating-induced adsorption promoting the efficient removal of toluene by the metal-organic framework UiO-66 (Zr) under visible light. J Colloid Interface Sci 2024; 653:1478-1487. [PMID: 37804616 DOI: 10.1016/j.jcis.2023.09.164] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/13/2023] [Accepted: 09/27/2023] [Indexed: 10/09/2023]
Abstract
The removal of indoor/outdoor toluene by photocatalysis has drawn much attention due to its low energy consumption and easy availability. However, light inevitably generates heat, and pollutants desorb from catalysts as the temperature rises, which is not beneficial to degradation. Contrast to the frequently occurred phenomena, we firstly found that the adsorption capacity of UiO-66 (Zr) on toluene increased with increasing temperature as adsorption isotherms and in-situ Fourier transform infrared spectra (in-situ FTIR) showed. The optimum temperature was 30 °C. This stage in which adsorption capacity was positively correlated with temperature was called heating-induced adsorption, which achieved a toluene removal efficiency of 69.6 %. By density functional theory (DFT) calculations and changing the metal centers and organic ligands of UiO-66 (Zr) respectively, we disclosed that the heating-induced adsorption was mainly related to the π-π stacking interaction of MOF ligands and toluene. The analysis of samples before and after adsorption showed that the interaction between UiO-66 (Zr) and adsorbed toluene facilitated the charge transfer and prolonged the carrier lifetime, leading to the increase of hydroxyl radicals (•OH) in photocatalysis. Therefore, a synergistic effect between heating-induced adsorption and photocatalysis was proposed by analyzing the adsorption of toluene on UiO-66 (Zr) in detail. This work provided new viewpoint to understand the role of concomitant heat contributed to the adsorption and degradation of toluene during photocatalysis.
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Affiliation(s)
- Jiajun Yu
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai 201899, China; University of Chinese Academy of Sciences, 19 (A) Yuquan Road, Beijing 100049, China
| | - Xiao Wang
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai 201899, China
| | - Yan Wang
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai 201899, China
| | - Xiaofeng Xie
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai 201899, China
| | - Haijiao Xie
- Hangzhou Yanqu Information Technology Co., No. 712 Wen'er West Road, Hangzhou, Zhejiang 310003, China
| | - Nat Vorayos
- Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Thailand
| | - Jing Sun
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai 201899, China.
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Rego RM, Ajeya KV, Jung HY, Kabiri S, Jafarian M, Kurkuri MD, Kigga M. Nanoarchitectonics of Bimetallic MOF@Lab-Grade Flexible Filter Papers: An Approach Towards Real-Time Water Decontamination and Circular Economy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302692. [PMID: 37469019 DOI: 10.1002/smll.202302692] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/15/2023] [Indexed: 07/21/2023]
Abstract
This study presents a novel approach to decontaminate ferrocyanide-contaminated wastewater. The work effectively demonstrates the use of bimetallic Mo/Zr-UiO-66 as a super-adsorbent for rapid sequestration of Prussian blue, a frequently found iron complex in cyanide-contaminated soils/groundwater. The exceptional performance of Mo/Zr-UiO-66 is attributed to the insertion of secondary metallic sites, which deliver synergistic effects, benefiting the inherent qualities of the framework. Moreover, to extend the industrial applications of metal-organic frameworks (MOFs) in real-world scenarios, an approach is delivered to structure the nanocrystalline powders into MOF-based macrostructures. The work demonstrates an interfacial process to develop continuous MOF nanostructures on ordinary laboratory-grade filter papers. The novelty of the work lies in the development of robust free-standing filtration materials to purify PB dye-contaminated water. Additionally, the work embraces a circular economy concept to address problems related to resource scarcity, excessive waste production, and maintenance of economic benefits. Consequently, the PB dye-loaded adsorbent waste is re-employed for the adsorption of heavy metals (Pb2+ and Cd2+ ). Simultaneously, the study aims to address the problems related to the real-time handling of powdered adsorbents, and the generation of ecologically harmful secondary waste, thereby, progressing toward a more sustainable system.
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Affiliation(s)
- Richelle M Rego
- Centre for Research in Functional Materials (CRFM), JAIN (Deemed-to-be University), Jain Global Campus, Bengaluru, Karnataka, 562112, India
| | - Kanalli V Ajeya
- Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - Ho-Young Jung
- Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - Shervin Kabiri
- School of Agriculture, Food and Wine, Faculty of Sciences, Engineering and Technology, The University of Adelaide, PMB 1 Waite Campus, Glen Osmond, SA, 5005, Australia
| | - Mehdi Jafarian
- School of Mechanical Engineering, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Mahaveer D Kurkuri
- Centre for Research in Functional Materials (CRFM), JAIN (Deemed-to-be University), Jain Global Campus, Bengaluru, Karnataka, 562112, India
| | - Madhuprasad Kigga
- Centre for Research in Functional Materials (CRFM), JAIN (Deemed-to-be University), Jain Global Campus, Bengaluru, Karnataka, 562112, India
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11
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Le TTN, Truong HB, Thi Hoa L, Le HS, Tran TTT, Manh TD, Le VT, Dinh QK, Nguyen XC. Cu 2O/Fe 3O 4/UiO-66 nanocomposite as an efficient fenton-like catalyst: Performance in organic pollutant degradation and influencing factors based machinelearning. Heliyon 2023; 9:e20466. [PMID: 37810813 PMCID: PMC10556788 DOI: 10.1016/j.heliyon.2023.e20466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 10/10/2023] Open
Abstract
The persistent presence of organic pollutants like dyes in water environment necessitates innovative approaches for efficient degradation. In this research, we developed an advanced hybrid catalyst by combining metal oxides (Cu2O, Fe3O4) with UiO-66, serving as a heterogeneous Fenton catalyst for for efficient RB19 breakdown in water with H2O2. The control factors to the catalytic behavior were also quantified by machine learning. Experimental results show that the catalytic performance was much better than its individual components (P < 0.05 & non-zero 95% C.I). The improved catalytic efficiency was linked to the occurrence of active metal centers (Fe, Cu, and Zr), with Cu(I) from Cu2O playing a crucial role in promoting increased production of HO•. Also, UiO-66 served as a catalyst support, attracting pollutants to the reaction center, while magnetic Fe3O4 aids catalyst recovery. The optimal experimental parameters for best performance were pH at 7, catalyst loading of 1.6 g/L, H2O2 strength of 0.16 M, and reaction temperature of 25 °C. The catalyst can be magnetically separated and regenerated after five recycling times without significantly reducing catalytic activity. The reaction time and pH were ranked as the most influencing factors on catalytic efficiency via Random Forest and SHapley Additive exPlanations models. The findings show that developed catalyst is a suitable candidate to remove dyes in water by Fenton heterogeneous reaction.
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Affiliation(s)
- Thi Thanh Nhi Le
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Viet Nam
- Faculty of Natural Sciences, Duy Tan University, 03 Quang Trung, Da Nang, Viet Nam
| | - Hai Bang Truong
- Optical Materials Research Group, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Viet Nam
- Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Le Thi Hoa
- University of Sciences, Hue University, 77 Nguyen Hue, Hue, Viet Nam
| | - Hoang Sinh Le
- VN-UK Institute for Research and Executive Education, University of Danang, Danang city, Viet Nam
| | - Thanh Tam Toan Tran
- Institute of Applied Technology, Thu Dau Mot University, Thu Dau Mot city, Viet Nam
| | - Tran Duc Manh
- University of Danang, University of Science and Education, Da Nang, Viet Nam
| | - Van Thuan Le
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Viet Nam
- Faculty of Natural Sciences, Duy Tan University, 03 Quang Trung, Da Nang, Viet Nam
| | - Quang Khieu Dinh
- University of Sciences, Hue University, 77 Nguyen Hue, Hue, Viet Nam
| | - Xuan Cuong Nguyen
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Viet Nam
- Faculty of Natural Sciences, Duy Tan University, 03 Quang Trung, Da Nang, Viet Nam
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12
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Açin Ok R, Kutluay S. Designing novel perlite-Fe 3O 4@SiO 2@8-HQ-5-SA as a promising magnetic nanoadsorbent for competitive adsorption of multicomponent VOCs. CHEMOSPHERE 2023; 338:139636. [PMID: 37495054 DOI: 10.1016/j.chemosphere.2023.139636] [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: 05/23/2023] [Revised: 07/18/2023] [Accepted: 07/22/2023] [Indexed: 07/28/2023]
Abstract
Volatile organic compounds (VOCs), which emerge as multicomponent pollutants through many industrial processes, pose a serious threat to human health and the eco-environment due to their volatility, toxicity and dispersion. Hence, the study of competitive adsorption of multicomponent VOCs is of practical and scientific importance. Herein, the perlite-supported Fe3O4@SiO2@8-hydroxyquinoline-5-sulfonic acid (perlite-Fe3O4@SiO2@8-HQ-5-SA) was designed as a novel magnetic nanoadsorbent by a simple strategy and employed for the competitive adsorption of multicomponent toluene, ethylbenzene and xylene in the vapor-phase targeted as VOCs. The successfully prepared perlite-Fe3O4@SiO2@8-HQ-5-SA was characterized by means of SEM, EDX, FT-IR, VSM and BET analyses. Adsorption capacities of 558 mg/g, 680 mg/g and 716 mg/g were achieved for single component toluene, ethylbenzene and xylene, respectively. It was concluded that the adsorption capacities for both binary and ternary components were significantly decreased compared to single component adsorption. The competitive adsorption capacity order of the binary and ternary component VOCs was xylene > ethylbenzene > toluene due to their competitive dominance. The rate-limiting kinetic analysis indicated that the adsorption rates were determined by both the film diffusion and intraparticle diffusion. The analysis of the error metrics demonstrated that the three-parameter isotherm models better described the adsorption data compared to the two-parameter models. In particular, the Toth model provided the closest fit to the experimental equilibrium data. The thermodynamic analysis indicated the spontaneous nature and probability (ΔG° <0), exothermic (ΔH° <0), physical (ΔH° <20 kJ/mol) and a declination in the degree of randomness (ΔS° <0) of the adsorption processes. The reuse efficiency of perlite-Fe3O4@SiO2@8-HQ-5-SA for toluene, ethylbenzene and xylene decreased to only by 88.91%, 88.07% and 87.16% after five recycles. The perlite-Fe3O4@SiO2@8-HQ-5-SA has a significant adsorptive potential compared to other adsorbents reported in the literature, thus it could be recommended as a promising nanoadsorbent for VOCs in industrial processes.
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Affiliation(s)
- Rahime Açin Ok
- Department of Chemical Engineering, Faculty of Engineering, Siirt University, 56100, Siirt, Turkey
| | - Sinan Kutluay
- Department of Chemical Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey; Department of Chemical Engineering, Faculty of Engineering, Siirt University, 56100, Siirt, Turkey.
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13
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Ehsani A, Nejatbakhsh S, Soodmand AM, Farshchi ME, Aghdasinia H. High-performance catalytic reduction of 4-nitrophenol to 4-aminophenol using M-BDC (M = Ag, Co, Cr, Mn, and Zr) metal-organic frameworks. ENVIRONMENTAL RESEARCH 2023; 227:115736. [PMID: 36963712 DOI: 10.1016/j.envres.2023.115736] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/02/2023] [Accepted: 03/20/2023] [Indexed: 05/08/2023]
Abstract
The catalytic activity of pure metal nanoparticles is always limited by aggregation during the reaction. Therefore, promising candidates such as metal-organic frameworks possess benefits due to their 3D porous structures, high stability, and high specific surface area. In this study, effective and reusable catalysts based on M-BDC metal-organic frameworks were synthesized utilizing five different coordinating metal ions (M = Ag, Co, Cr, Mn, and Zr) as metal nodes and 1-4-benzene dicarboxylic acid (BDC) as an organic linker and used in catalytic reduction of 4-Nitrophenol (4-NP) to 4-Aminophenol (4-AP) for the first time. The as-prepared catalysts were characterized using SEM, EDX, XRD, and FTIR techniques. Based on catalytic performance, Co-BDC showed the best catalytic efficiency compared to the other M-BDC MOF catalysts with a conversion yield of about 99.25 in 2 min. All of the catalysts could catalyze the complete reduction of 4-NP to 4-AP at different reaction times (2-10); however, Mn-BDC could not finish the catalytic reduction reaction even after 20 min. The two more efficient catalysts including Co-BDC and Cr-BDC demonstrated high stability and reusability (more than 85% catalytic efficiency) even after 5 cycles.
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Affiliation(s)
- Atefeh Ehsani
- Department of Chemical Engineering, Faculty of Chemical and Petroleum Engineering, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Siyamak Nejatbakhsh
- Department of Chemical Engineering, Faculty of Chemical and Petroleum Engineering, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Ahmadreza Mohammadian Soodmand
- Department of Chemical Engineering, Faculty of Chemical and Petroleum Engineering, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Mahdi Ebrahimi Farshchi
- Department of Chemical Engineering, Faculty of Chemical and Petroleum Engineering, University of Tabriz, 51666-16471, Tabriz, Iran.
| | - Hassan Aghdasinia
- Department of Chemical Engineering, Faculty of Chemical and Petroleum Engineering, University of Tabriz, 51666-16471, Tabriz, Iran.
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14
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Wang T, Zhao H, Zhao X, Liu D. Construction of defective zirconium-based metal-organic frameworks for enhanced removal of toxic selenite: performance and mechanism studies. J Colloid Interface Sci 2023; 647:488-498. [PMID: 37271093 DOI: 10.1016/j.jcis.2023.05.159] [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: 02/20/2023] [Revised: 05/12/2023] [Accepted: 05/24/2023] [Indexed: 06/06/2023]
Abstract
The development of effective adsorbents for the adsorption and removal of toxic selenite (SeO32-) from wastewater is urgently required but challenging. Herein, formic acid (FA), a monocarboxylic acid, was used as a template to construct serial defective Zr-Fumarate (Fum) -FA based on a green and facile preparation method. Physicochemical characterization shows that the defect degree of Zr-Fum-FA can be flexibly controlled by regulating the amount of FA to be added. Owing to rich defect units, the diffusion and mass transfer of guest SeO32- into the channel can be boosted. Particularly, Zr-Fum-FA-6 with the most defects exhibits superior adsorption capacity (519.6 mg g-1) and rapid adsorption equilibrium (∼200 min). The adsorption isotherms and kinetics can be well described by the Langmuir and pseudo-second-order kinetic models. Moreover, this adsorbent possesses excellent resistance towards co-existing ions, high chemical stability and good applicability in a broad pH range of 3-10. Thus, our study provides a promising adsorbent for SeO32-, and more importantly, it proposes a strategy for rationally tailoring the adsorption behavior of adsorbents via defect construction.
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Affiliation(s)
- Ting Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Huifang Zhao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xudong Zhao
- College of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030012, China.
| | - Dahuan Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China; College of Chemical Engineering, Qinghai University, Xining 810016, China.
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15
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Poryvaev AS, Larionov KP, Albrekht YN, Efremov AA, Kiryutin AS, Smirnova KA, Evtushok VY, Fedin MV. UiO-66 framework with an encapsulated spin probe: synthesis and exceptional sensitivity to mechanical pressure. Phys Chem Chem Phys 2023; 25:13846-13853. [PMID: 37161549 DOI: 10.1039/d3cp01063e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Probes sensitive to mechanical stress are in demand for the analysis of pressure distribution in materials, and the design of pressure sensors based on metal-organic frameworks (MOFs) is highly promising due to their structural tunability. We report a new pressure-sensing material, which is based on the UiO-66 framework with trace amounts of a spin probe (0.03 wt%) encapsulated in cavities. To obtain this material, we developed an approach for encapsulation of stable nitroxide radical TEMPO ((2,2,6,6-tetramethylpiperidin-1-yl)oxyl) into the micropores of UiO-66 during its solvothermal synthesis. Pressure read-out using electron paramagnetic resonance (EPR) spectroscopy allows monitoring the degradation of the defected MOF structure upon pressurization, where full collapse of pores occurs at as low a pressure as 0.13 GPa. The developed methodology can be used in and ex situ and provides sensitive tools for non-destructive mapping of pressure effects in various materials.
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Affiliation(s)
- Artem S Poryvaev
- International Tomography Center SB RAS, Institutskaya str. 3a, Novosibirsk, 630090, Russia.
| | - Kirill P Larionov
- Boreskov Institute of Catalysis SB RAS, Lavrentiev av. 5, Novosibirsk, 630090, Russia
| | - Yana N Albrekht
- International Tomography Center SB RAS, Institutskaya str. 3a, Novosibirsk, 630090, Russia.
| | - Alexander A Efremov
- International Tomography Center SB RAS, Institutskaya str. 3a, Novosibirsk, 630090, Russia.
- Novosibirsk State University, Pirogova str. 1, Novosibirsk, 630090, Russia
| | - Alexey S Kiryutin
- International Tomography Center SB RAS, Institutskaya str. 3a, Novosibirsk, 630090, Russia.
| | - Kristina A Smirnova
- International Tomography Center SB RAS, Institutskaya str. 3a, Novosibirsk, 630090, Russia.
- Novosibirsk State University, Pirogova str. 1, Novosibirsk, 630090, Russia
| | - Vasiliy Y Evtushok
- Boreskov Institute of Catalysis SB RAS, Lavrentiev av. 5, Novosibirsk, 630090, Russia
| | - Matvey V Fedin
- International Tomography Center SB RAS, Institutskaya str. 3a, Novosibirsk, 630090, Russia.
- Novosibirsk State University, Pirogova str. 1, Novosibirsk, 630090, Russia
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16
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Lin LY, Liu C, Dien Dang V, Fu HT. Atomically dispersed Ti-O clusters anchored on NH 2-UiO-66(Zr) as efficient and deactivation-resistant photocatalyst for abatement of gaseous toluene under visible light. J Colloid Interface Sci 2023; 635:323-335. [PMID: 36599234 DOI: 10.1016/j.jcis.2022.12.147] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/01/2023]
Abstract
Photocatalytic oxidation (PCO) of volatile organic compounds (VOCs) over MOF-based photocatalysts is considerably impeded by the weak activation of reactant molecules on the catalyst surface and low charge carrier mobility. In this study, we demonstrate that atomically dispersed Ti species anchored on NH2-UiO-66(Zr) (AUiO-66(Zr/Ti)) exhibit high visible-light-responsive photocatalytic activity toward toluene vapor with an 83 % removal efficiency and 89 % CO2 selectivity. These results are markedly superior to those reported in the literature. More importantly, AUiO-66(Zr/Ti) exhibited excellent catalytic stability during a prolonged reaction, while its pristine AUiO-66(Zr) counterpart underwent rapid catalytic deactivation after a few hours. The optimized sample, AUiO-66(Zr/Ti)-4h, provided extended visible light absorption and enhanced charge carrier mobility due to ligand-to-linker metal charge transfer. Meanwhile, the defect-rich surface of AUiO-66(Zr/Ti)-4h facilitated the activation of H2O/toluene molecules into the critical intermediates of hydroxyl, benzoic acid, and maleic anhydride, which were effectively converted under visible light illumination. On the basis of the combined results of the PCO of toluene and material characterization, the structure - activity relationship and the related catalytic mechanism are discussed comprehensively.
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Affiliation(s)
- Liang-Yi Lin
- Institute of Environmental Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
| | - Chieh Liu
- Institute of Environmental Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Van Dien Dang
- Faculty of Biology and Environment, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan, Ho Chi Minh 700000, Viet Nam
| | - Hsuan-Ting Fu
- Institute of Environmental Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
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17
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Choi Y, Govindan M, Kim D. Semi-solid electrolyte with layered heterometallic low-valent electron-mediator enabling indirect destruction of gaseous toluene. CHEMOSPHERE 2023; 313:137590. [PMID: 36535505 DOI: 10.1016/j.chemosphere.2022.137590] [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: 11/18/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
The electrochemical degradation of air pollutants, particularly volatile organic compounds (VOCs), at their gaseous state is a promising method. However, it remains at an infant stage due to sluggish solid-gas electron transfers at room temperature. We established a triphase reaction condition using a semi-solid electrolyte layer between the electrode and membrane to enhance the electron transfer at room temperature. A polyvinyl alcohol (PVA) gel layer was inserted between a bimetallic layered CuNi(CN)4 complex coated Cu foam electrode (TCNi-Cu) and Nafion 324 membrane for the degradation of gaseous toluene. The cyclic voltammetry of TCNi-Cu using a sodium hydroxide-coated copper mesh electrode at a triphase showed Cu1+ and Ni1+ stabilization at -0.7 and -0.9 V, respectively, which was similar to the liquid phase electron transfer behavior. The degradation capacity of gaseous toluene without using electrogenerated TCNi-Cu + PVA gel was 0.54 mg cm2 min-1, whereas that of TCNi-Cu + PVA gel layers was 1.17 mg cm-2min-1, which revealed the mediation effect at a triphase condition. Toluene was converted into oxygen-containing products, such as butanol, propanol, and acetone (without reduction products), which revealed that indirect oxidation occurred at the cathode using an in-situ generated oxidant, such as OH˙ radical. As an electron-mediator, Cu1+ was used to form oxidants for the degradation of toluene at -0.7 V. The toluene removal rate reached 1.4 μmol h-1, with an energy efficiency of 0.15 Wh L-1. This study is the first attempt to describe a liquid-electrolyte-free cathodic half-cell in electrochemical application to VOCs degradation, highlighting the electron transfer at room temperature.
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Affiliation(s)
- Youngyu Choi
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Muthuraman Govindan
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Daekeun Kim
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea.
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18
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A spiral shape microfluidic photoreactor with MOF(NiFe)-derived NiSe-Fe3O4/C heterostructure for photodegradation of tetracycline: Mechanism conception and DFT calculation. J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2023.01.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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19
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Wang R, Luan X, Bao J, Muhammad Y, Jalil Shah S, Wang G, Li J, Lin G, Ji H, Zhao Z. Cr-N bridged MIL-101@tubular calcined N-doped polymer enhanced adsorption of vaporous toluene under high humidity. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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20
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A review on metal-organic frameworks for the removal of hazardous environmental contaminants. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Gulcay-Ozcan E, Iacomi P, Rioland G, Maurin G, Devautour-Vinot S. Airborne Toluene Detection Using Metal-Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53777-53787. [PMID: 36416767 DOI: 10.1021/acsami.2c15237] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The pollution of indoor air is a major worldwide concern in our modern society for people's comfort, health, and safety. In particular, toluene, present in many substances including paints, thinners, candles, leathers, cosmetics, inks, and glues, affects the human health even at very low concentrations throughout its action on the central nervous system. Its prevalence in many workplace environments can fluctuate considerably, which led to firm regulation with exposure limits varying between 50 and 400 ppm depending on exposure time. This therefore requires the development of technologies for an accurate detection of this contaminant. Metal-organic frameworks have been proposed as promising candidates to detect and monitor a series of molecules at even extremely low concentrations owing to the high tunability of their functionality. Herein, a high-throughput Monte Carlo screening approach was devised to identify the best MOFs from the computation-ready, experimental (CoRE) metal-organic framework (MOF) density-derived electrostatic and chemical (DDEC) database for the selective capture of toluene from air at room temperature, with the consideration of a ternary mixture composed of extremely low-level concentration of toluene (10 ppm) in oxygen and nitrogen to mimic the composition of air. An aluminum MOF, DUT-4, with channel-like micropores was identified as an excellent candidate for the selective adsorption of toluene from air with a predicted adsorption uptake of 0.5 g/g at 10 ppm concentration and room temperature. The toluene adsorption behavior of DUT-4 at low equivalent concentrations, alongside its sensing performance, was further experimentally investigated by its incorporation in a quartz crystal microbalance sensor, confirming the promises of DUT-4. Decisively, the resulting high sensitivity and fast kinetics of our developed sensor highlight the applicability of this hand-in-hand computational-experimental methodology to porous material screening for sensing applications.
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Affiliation(s)
- Ezgi Gulcay-Ozcan
- ICGM, Univ. Montpellier, CNRS, ENSCM, F-34293Montpellier, France
- Centre National d'Etudes Spatiales, DTN/QE/LE, 18 Avenue Edouard Belin, 31401Toulouse, Cedex 09, France
| | - Paul Iacomi
- ICGM, Univ. Montpellier, CNRS, ENSCM, F-34293Montpellier, France
- Surface Measurement Systems, London, HA0 4PE, U.K
| | - Guillaume Rioland
- Centre National d'Etudes Spatiales, DTN/QE/LE, 18 Avenue Edouard Belin, 31401Toulouse, Cedex 09, France
| | - Guillaume Maurin
- ICGM, Univ. Montpellier, CNRS, ENSCM, F-34293Montpellier, France
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22
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Zeng X, Tu Z, Yuan Y, Liao L, Xiao C, Wen Y, Xiong K. Two-Dimensional Transition Metal-Hexaaminobenzene Monolayer Single-Atom Catalyst for Electrocatalytic Carbon Dioxide Reduction. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12224005. [PMID: 36432292 PMCID: PMC9693506 DOI: 10.3390/nano12224005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/07/2022] [Accepted: 11/11/2022] [Indexed: 05/27/2023]
Abstract
Electrocatalytic reduction of CO2 to valuable fuels and chemicals can not only alleviate the energy crisis but also improve the atmospheric environment. The key is to develop electrocatalysts that are extremely stable, efficient, selective, and reasonably priced. In this study, spin-polarized density function theory (DFT) calculations were used to comprehensively examine the catalytic efficacy of transition metal-hexaaminobenzene (TM-HAB) monolayers as single-atom catalysts for the electroreduction of CO2. In the modified two-dimensional TM-HAB monolayer, our findings demonstrate that the binding of individual metal atoms to HAB can be strong enough for the atoms to be evenly disseminated and immobilized. In light of the conflicting hydrogen evolution processes, TM-HAB effectively inhibits hydrogen evolution. CH4 dominates the reduction byproducts of Sc, Ti, V, Cr, and Cu. HCOOH makes up the majority of Zn's reduction products. Co's primary reduction products are CH3OH and CH4, whereas Mn and Fe's primary reduction products are HCHO, CH3OH, and CH4. Among these, the Ti-HAB reduction products have a 1.14 eV limiting potential and a 1.31 V overpotential. The other monolayers have relatively low overpotentials between 0.01 V and 0.7 V; therefore, we predict that TM-HAB monolayers will exhibit strong catalytic activity in the electrocatalytic reduction of CO2, making them promising electrocatalysts for CO2 reduction.
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Affiliation(s)
- Xianshi Zeng
- Institute for Advanced Study, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Zongxing Tu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Yanli Yuan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Luliang Liao
- Institute for Advanced Study, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
- School of Mechanical and Electrical Engineering, Xinyu University, Xinyu 338004, China
| | - Chuncai Xiao
- School of Mechanical and Electrical Engineering, Xinyu University, Xinyu 338004, China
| | - Yufeng Wen
- School of Mathematical Sciences and Physics, Jinggangshan University, Ji’an 343009, China
| | - Kai Xiong
- Materials Genome Institute, National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
- Advanced Computing Center, Information Technology Center, Yunnan University, Kunming 650091, China
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23
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Facile synthesis of Cu-based metal–organic framework/chitosan composite granules for toluene adsorption. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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Gao F, Wu F, Zhang X, Jiang B, Li Q. The Functionalized UiO-66 Engineering for the Synergistic Enhancement of Mechanical Properties of Polydicyclopentadiene Nanocomposites. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02499-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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25
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Zhang X, Bi F, Zhao Z, Yang Y, Li Y, Song L, Liu N, Xu J, Cui L. Boosting toluene oxidation by the regulation of Pd species on UiO-66: Synergistic effect of Pd species. J Catal 2022. [DOI: 10.1016/j.jcat.2022.06.015] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Zhao Q, Zhao Z, Rao R, Yang Y, Ling S, Bi F, Shi X, Xu J, Lu G, Zhang X. Universitetet i Oslo-67 (UiO-67)/graphite oxide composites with high capacities of toluene: Synthesis strategy and adsorption mechanism insight. J Colloid Interface Sci 2022; 627:385-397. [PMID: 35863197 DOI: 10.1016/j.jcis.2022.07.059] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/20/2022] [Accepted: 07/09/2022] [Indexed: 01/18/2023]
Abstract
In this paper, a simple solvothermal synthesis method was proposed for the preparation of metal organic framework/graphene oxide hybrid nanocomposite (UiO-67/GO). A series of UiO-67/GO composites were prepared by varying the addition forms and amounts of GO, and the optimal synthesis conditions were screened. The composites were characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR), transmission Electron Microscope (TEM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopic (XPS), water contact angles (CA) and thermogravimetric analysis (TGA). The adsorption capacity and the adsorption process of toluene were investigated by dynamic adsorption and adsorption kinetics, respectively. The results indicated that 67/GO-0.5% reached the maximum adsorption capacity (876 mg g-1), which far exceeded the other adsorbents. Kinetic model and the Weber-Morris model correlated satisfactorily to the experimental data. The improved adsorption performance was attributed to GO, which enhanced π-π interaction, promoted defect generation and provided more adsorption sites. Finally, the excellent regeneration performance of the adsorbent was verified by temperature programmed desorption (TPD) and cyclic adsorption-desorption experiments. Moreover, the adsorption mechanism was further revealed. Combined with the related adsorption experiments and the density functional theory (DFT) analysis, the efficient removal of toluene by UiO-67/GO was attributed to the cooperation of defects, π-π interaction and hydrogen bonding.
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Affiliation(s)
- Qiangyu Zhao
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Zhenyuan Zhao
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Renzhi Rao
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yang Yang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Songyuan Ling
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Fukun Bi
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xiaoyu Shi
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Jingcheng Xu
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jun Gong Road, Shanghai 200093, China
| | - Guang Lu
- College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, Liaoning 113001, China
| | - Xiaodong Zhang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China.
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Excellent Catalytic Performance of Ce–MOF with Abundant Oxygen Vacancies Supported Noble Metal Pt in the Oxidation of Toluene. Catalysts 2022. [DOI: 10.3390/catal12070775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Metal organic framework (MOF) is a type of porous organic material. In this work, three catalysts loaded with noble metal Pt were prepared by NaBH4 reduction method with three different morphologies of Ce–MOF as carriers. Their physicochemical properties were characterized by XRD, Raman, FTIR, N2 adsorption, SEM, XPS, and TGA. The catalytic performances of different catalysts were evaluated via toluene oxidation and CO2 selectivity. Rod–shaped Pt/MOF–BTC exhibited best catalytic performance compared to Pt/MOF–808 and Pt/UiO–66, its T50 and T90 were 140 °C and 149 °C, respectively. After deducting the effect of specific surface, Pt/MOF–BTC still had the lowest apparent activation energy (62.8 kJ·mol−1), which is due to the abundant atomic Pt and oxygen vacancy content on its surface. After the reaction, the structure of Pt/MOF–BTC may become amorphous according to XRD results. Furthermore, the presence of amorphous structure had no effect on the catalytic activity of the catalyst. In the stability test of Pt/MOF–BTC to toluene oxidation, both toluene conversion and CO2 selectivity remained at 100%, and remained stable for 11 h. Moreover, Pt/MOF–BTC also had better resistance to high weight hourly space velocity (WHSV) or water resistance. The catalyst maintained high catalytic activity for 3 times reusability. This study provides valuable experience for the future work of MOF in the field of VOC catalytic oxidation.
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Improvement of anti-corrosion performance of an epoxy coating using hybrid UiO-66-NH 2/carbon nanotubes nanocomposite. Sci Rep 2022; 12:10660. [PMID: 35739168 PMCID: PMC9226116 DOI: 10.1038/s41598-022-14854-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 06/14/2022] [Indexed: 11/18/2022] Open
Abstract
In this study, a porous nanocontainer from UiO-66-NH2/CNTs nanocomposite with an excellent barrier characteristics was constructed through amine-functionalized Zr-based metal organic framework. The characterization of the prepared nano-materials were performed using different analyses such as FTIR, XRD, SEM, EDS, TEM, and BET and the results proved the successful synthesize of UiO-66-NH2/CNTs nanocomposite. The corrosion protection performance of the coated panels was investigated by electrochemical impedance spectroscopy (EIS), salt spray, and contact angle measurement. The EIS results revealed that unmodified and UiO-66-NH2 containing coating in 3.5 wt.% NaCl electrolyte were failed after 45 days but the corrosion was negligible in UiO-66-NH2/CNTs coating due to high pore resistance values even after 45 days. Salt spray and contact angle measurements confirmed that UiO-66-NH2/CNTs containing coating acts as an efficient barrier against wet saline environment even at long exposure times. This is attributed to uniform dispersion in the epoxy matrix and formation of a uniform nanocomposite coating.
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29
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Magnesium-Modified Co3O4 Catalyst with Remarkable Performance for Toluene Low Temperature Deep Oxidation. Catalysts 2022. [DOI: 10.3390/catal12040411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Co3O4, MgCo2O4 and MgO materials have been synthesized using a simple co-precipitation approach and systematically characterized. The total conversion of toluene to CO2 and H2O over spinel MgCo2O4 with wormlike morphology has been investigated. Compared with single metal oxides (Co3O4 and MgO), MgCo2O4 with the highest activity has exhibited almost 100% oxidation of toluene at 255 °C. The obtained results are analogous to typical precious metal supported catalysts. The activation energy of toluene over MgCo2O4 (38.5 kJ/mol) is found to be much lower than that of Co3O4 (68.9 kJ/mol) and MgO ((87.8 kJ/mol)). Compared with the single Co and Mg metal oxide, the as-prepared spinel MgCo2O4 exhibits a larger surface area, highest absorbed oxygen and more oxygen vacancies, thus highest mobility of oxygen species due to its good redox capability. Furthermore, the samples specific surface area, low-temperature reducibility and surface adsorbed oxygenated species ratio decreased as follows: MgCo2O4 > Co3O4 > MgO; which is completely in line with the catalytic performance trends and constitute the reasons for MgCo2O4 high excellent activity towards toluene total oxidation. The overall finding supported by ab initio molecular dynamics simulations of toluene oxidation on the Co3O4 and MgCo2O4 suggest that the catalytic process follows a Mars–van Krevelen mechanism.
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30
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Zhang Y, Zhu Z, Wang WN, Chen SC. Mitigating the relative humidity effects on the simultaneous removal of VOCs and PM2.5 of a metal–organic framework coated electret filter. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120309] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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31
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Simultaneous degradation of RhB and reduction of Cr(VI) by MIL-53(Fe)/Polyaniline (PANI) with the mediation of organic acid. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2021.08.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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32
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Tailor the crystal planes of MIL-101(Fe) derivatives to enhance the activity of SCR reaction at medium and low temperature. J Colloid Interface Sci 2022; 615:432-444. [PMID: 35149355 DOI: 10.1016/j.jcis.2022.01.147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/17/2022] [Accepted: 01/23/2022] [Indexed: 11/23/2022]
Abstract
Mainly exposed crystal facets and controllable morphology play a key role in the final performance of the preparation of specific nanomaterials. In the present study, a metal-organic framework pyrolysis method without adding solvent modifiers was developed. By adding CO in the calcination atmosphere to change atmosphere ratio, Fe3O4 nanostructures are exposed with different crystal planes and evaluated their performance in NH3-SCR reaction. This study proves that SCR catalytic activity of Fe3O4 nanocrystals is dependent on morphology and crystal facet. Compared with materials exposed (100), catalysts with more (111) show stronger deNOx performance. The preferential exposure of Fe3O4 (111) crystal facets increases the concentration of adsorbed oxygen on the catalyst, showing higher surface acidity, and enhances the interaction among NO, O2 and catalyst, which is conducive to SCR reaction. This is supported by DFT calculations. The results present a great application prospect in preparing nanomaterials with specific crystal structures to effectively treat pollutants.
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33
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Uniform platinum nanoparticles loaded on Universitetet i Oslo-66 (UiO-66): Active and stable catalysts for gas toluene combustion. J Colloid Interface Sci 2022; 606:1811-1822. [PMID: 34507172 DOI: 10.1016/j.jcis.2021.08.127] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 08/10/2021] [Accepted: 08/19/2021] [Indexed: 01/18/2023]
Abstract
Highly dispersed Pt nanoparticles supported UiO-66 catalysts were successfully prepared by the incipient wetness impregnation method. Their thermal catalytic performances were evaluated by toluene degradation. The physicochemical properties of the samples were characterized using a series of characterization methods. The catalytic activity of catalysts remained essentially unchanged in the high weight hourly space velocity, stability and water resistance test, which also indicated good catalytic performance. In the reusability test, the catalytic performance was found to be enhanced after the reaction, because of the catalyst might follow a Pt0-PtO synergistic catalytic mechanism (similar to Mars-van Krevelen mechanism) and there was a phase transition between Pt0 and PtO during the reaction. Firstly, the toluene adsorbed on the catalyst surface was oxidized by the activated lattice oxygen of the PtO. Then, consumption of oxygen atoms led to formation of oxygen vacancies, and finally the molecular oxygen adsorbed by Pt0 was activated and passed to the PtO to supplement the oxygen vacancies, forming a redox cycle. In addition, the possible catalytic oxidation mechanism of toluene was also revealed.
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Chen C, Kosari M, He C, Ma M, Tian M, Jiang Z, Albilali R. Realizing Toluene Deep Mineralization by Coupling Nonthermal Plasma and Nitrogen-Enriched Hollow Hybrid Carbon. ACS APPLIED MATERIALS & INTERFACES 2022; 14:990-1001. [PMID: 34958541 DOI: 10.1021/acsami.1c20157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Achieving excellent efficiency to mineralize volatile organic compounds (VOCs) under nonthermal plasma catalysis (NTP-catalysis) systems tremendously relies on the catalyst design. Herein, we report a dual-template strategy for synthesizing a core-shell structured nitrogen-enriched hollow hybrid carbon (N-HHC) by a facile pyrolysis of a Mn-ZIF-8@polydopamine core-shell precursor. N-HHC exhibits a remarkable plasma synergy effect and superior degradation efficiency for toluene (up to 90% with a specific input energy of 281 J/L), excellent CO2 selectivity (>45%), and byproduct-inhibiting capability. Such outstanding functionality of the developed N-HHC is uniquely attributed to its hollow multistage and channeling structure, high concentration of O3-decomposing species (pyrrolic and oxide pyridinic-N), and abundant ZnO active sites. Shedding light on an efficient synthetic strategy for designing an advanced nanocatalyst with enhanced VOC destruction in the NTP-catalysis system, the present results could be extended to design other N-doped metal/metal oxide-decorated hollow porous carbons for environment-related applications.
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Affiliation(s)
- Changwei Chen
- State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P. R. China
- Department of Chemical and Biomolecular Engineering, Faculty of Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260, Singapore
| | - Mohammadreza Kosari
- Department of Chemical and Biomolecular Engineering, Faculty of Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260, Singapore
| | - Chi He
- State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P. R. China
- National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Mudi Ma
- State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P. R. China
| | - Mingjiao Tian
- State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P. R. China
| | - Zeyu Jiang
- State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, P. R. China
| | - Reem Albilali
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
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35
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Vo TK, Kim J, Vu TH, Nguyen VC, Quang DT. Creating Cu(I)-decorated defective UiO-66(Zr) framework with high CO adsorption capacity and selectivity. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120237] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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36
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Saidi M, Ho PH, Yadav P, Salles F, Charnay C, Girard L, Boukli-Hacene L, Trens P. Zirconium-Based Metal Organic Frameworks for the Capture of Carbon Dioxide and Ethanol Vapour. A Comparative Study. Molecules 2021; 26:7620. [PMID: 34946698 PMCID: PMC8703343 DOI: 10.3390/molecules26247620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 11/23/2022] Open
Abstract
This paper reports on the comparison of three zirconium-based metal organic frameworks (MOFs) for the capture of carbon dioxide and ethanol vapour at ambient conditions. In terms of efficiency, two parameters were evaluated by experimental and modeling means, namely the nature of the ligands and the size of the cavities. We demonstrated that amongst three Zr-based MOFs, MIP-202 has the highest affinity for CO2 (-50 kJ·mol-1 at low coverage against around -20 kJ·mol-1 for MOF-801 and Muc Zr MOF), which could be related to the presence of amino functions borne by its aspartic acid ligands as well as the presence of extra-framework anions. On the other side, regardless of the ligand size, these three materials were able to adsorb similar amounts of carbon dioxide at 1 atm (between 2 and 2.5 µmol·m-2 at 298 K). These experimental findings were consistent with modeling studies, despite chemisorption effects, which could not be taken into consideration by classical Monte Carlo simulations. Ethanol adsorption confirmed these results, higher enthalpies being found at low coverage for the three materials because of stronger van der Waals interactions. Two distinct sorption processes were proposed in the case of MIP-202 to explain the shape of the enthalpic profiles.
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Affiliation(s)
- Meryem Saidi
- Institut Charles Gerhardt des Matériaux (ICGM), Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France; (M.S.); (P.H.H.); (P.Y.); (F.S.); (C.C.)
- Department of Chemistry, Tlemcen University, Tlemcen BP 119, Algeria;
| | - Phuoc Hoang Ho
- Institut Charles Gerhardt des Matériaux (ICGM), Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France; (M.S.); (P.H.H.); (P.Y.); (F.S.); (C.C.)
| | - Pankaj Yadav
- Institut Charles Gerhardt des Matériaux (ICGM), Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France; (M.S.); (P.H.H.); (P.Y.); (F.S.); (C.C.)
| | - Fabrice Salles
- Institut Charles Gerhardt des Matériaux (ICGM), Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France; (M.S.); (P.H.H.); (P.Y.); (F.S.); (C.C.)
| | - Clarence Charnay
- Institut Charles Gerhardt des Matériaux (ICGM), Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France; (M.S.); (P.H.H.); (P.Y.); (F.S.); (C.C.)
| | - Luc Girard
- Institut de Chimie Séparative de Marcoule (ICSM), Univ. Montpellier, CNRS, ENSCM, CEA, 30207 Bagnols sur Cèze, France;
| | | | - Philippe Trens
- Institut Charles Gerhardt des Matériaux (ICGM), Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France; (M.S.); (P.H.H.); (P.Y.); (F.S.); (C.C.)
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37
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Wang X, Su R, Zhao Y, Guo W, Gao S, Li K, Liang G, Luan Z, Li L, Xi H, Zou R. Enhanced Adsorption and Mass Transfer of Hierarchically Porous Zr-MOF Nanoarchitectures toward Toxic Chemical Removal. ACS APPLIED MATERIALS & INTERFACES 2021; 13:58848-58861. [PMID: 34855367 DOI: 10.1021/acsami.1c20369] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Zirconium-based metal-organic frameworks (Zr-MOFs) have shown tremendous prospects as highly efficient adsorbents against toxic chemicals under ambient conditions. Here, we report for the first time the enhanced toxic chemical adsorption and mass transfer properties of hierarchically porous Zr-MOF nanoarchitectures. A general and scalable sol-gel-based strategy combined with facile ambient pressure drying (APD) was utilized to construct MOF-808, MOF-808-NH2, and UiO-66-NH2 xerogel monoliths, denoted as G808, G808-NH2, and G66-NH2, respectively. The resulting Zr-MOF xerogels demonstrated 3D porous networks assembled by nanocrystal aggregates, with substantially higher mesoporosities than the precipitate analogues. Microbreakthrough tests on powders and tube breakthrough experiments on engineered granules were conducted at different relative humidities to comprehensively evaluate the NO2 adsorption capabilities. The Zr-MOF xerogels showed considerably better NO2 removal abilities than the precipitates, whether intrinsically or under simulated respirator canister/protection filter environment conditions. Multiple physicochemical characterizations were conducted to illuminate the NO2 filtration mechanisms. Analysis on adsorption kinetics and mass transfer patterns in Zr-MOF xerogels was further performed to visualize the underlying structure-activity relationship using the gravimetric uptake and zero length column methods with cyclohexane and acetaldehyde as probes. The results revealed that the synergy of hierarchical porosities and nanosized crystals could effectively expedite the intracrystalline diffusion for the G66-NH2 xerogel as well as alleviate the surface resistance for the G808-NH2 xerogel, which led to accelerated overall adsorption uptake and thus enhanced performance toward toxic chemical removal.
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Affiliation(s)
- Xinbo Wang
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Ruyue Su
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Yue Zhao
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Wenhan Guo
- Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials, School of Materials Science and Engineering and Institute of Clean Energy, Peking University, Beijing 100871, China
| | - Song Gao
- Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials, School of Materials Science and Engineering and Institute of Clean Energy, Peking University, Beijing 100871, China
| | - Kai Li
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Guojie Liang
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Zhiqiang Luan
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Li Li
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Hailing Xi
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Beijing 100191, China
| | - Ruqiang Zou
- Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials, School of Materials Science and Engineering and Institute of Clean Energy, Peking University, Beijing 100871, China
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Chen Z, Ma W, Lu G, Hu J, Zhang Z, Wang B, Cheng Z, Pan Y. Parallel-slipped π-π electron-donor-acceptor in adsorption process: Molecular dynamics simulation. J Mol Graph Model 2021; 111:108100. [PMID: 34890895 DOI: 10.1016/j.jmgm.2021.108100] [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: 08/17/2021] [Revised: 11/14/2021] [Accepted: 11/28/2021] [Indexed: 11/29/2022]
Abstract
Molecular dynamics simulation was used to study the adsorption of single wall carbon nanotubes (SCNT) in levofloxacin (LEV) solutions of different concentrations by Radial distribution function, mean square displacement and interaction energy. The results showed that levofloxacin molecules were adsorbed around the carbon nanotubes. The adsorption effect of large concentration solution was not as good as that of low concentration solution because of agglomeration. LEV molecules with different concentration were free diffusion within 15ns, and gradually agglomerated under the influence of adsorption. The energy change is proportional to the concentration of the molecule. The distance between benzene rings corresponding to the agglomeration effect of levofloxacin molecules was 0.4 nm, which should be the effect of parallel-slipped π-π electron-donor-acceptor (EDA) interactions. The simulation results are valuable to study the adsorption and removal of benzenes by adsorbent.
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Affiliation(s)
- Zhen Chen
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116023, PR China
| | - Wei Ma
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116023, PR China.
| | - Guang Lu
- School of Environmental and Safety Engineering, Liaoning Shihua University, Fushun, 113001, PR China
| | - Jinglu Hu
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116023, PR China
| | - Zhe Zhang
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116023, PR China
| | - Baodong Wang
- National Institute of Clean-and-Low-Carbon Energy, Beijing, 102211, PR China
| | - Zihong Cheng
- National Institute of Clean-and-Low-Carbon Energy, Beijing, 102211, PR China
| | - Yuzhen Pan
- School of Chemical Engineering, Dalian University of Technology, Dalian, 116023, PR China
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39
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Khoshakhlagh AH, Beygzadeh M, Golbabaei F, Carrasco-Marín F, Shahtaheri SJ. Optimization of adsorption parameters of activated carbon modified with the oxidizing agent on adsorptive removal of toluene using response surface methodology (RSM). J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2020.1805329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Amir Hossein Khoshakhlagh
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Beygzadeh
- Department of Energy, Materials & Energy Research Center, Tehran, Iran
| | - Farideh Golbabaei
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Francisco Carrasco-Marín
- Carbon Materials Research Group, Faculty of Science, Avda. Fuente Nueva s/n, University of Granada, Spain
| | - Seyed Jamaleddin Shahtaheri
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
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40
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Bagherzadeh SB, Kazemeini M, Mahmoodi NM. Preparation of novel and highly active magnetic ternary structures (metal-organic framework/cobalt ferrite/graphene oxide) for effective visible-light-driven photocatalytic and photo-Fenton-like degradation of organic contaminants. J Colloid Interface Sci 2021; 602:73-94. [PMID: 34118607 DOI: 10.1016/j.jcis.2021.05.181] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/23/2021] [Accepted: 05/31/2021] [Indexed: 12/16/2022]
Abstract
Herein, MIL-101(Fe), CoFe2O4, novel binary (MIL-101(Fe)/CoFe2O4, MIL-101(Fe)/GO and CoFe2O4/GO), and ternary (MIL-101(Fe)/CoFe2O4/(3%)GO and MIL-101(Fe)/CoFe2O4/(7%)GO) magnetic composites based upon the MIL-101(Fe) were synthesized. The XRD, FESEM, TEM, EDX, BET-BJH, FTIR, VSM, DRS, PL, EIS and other electrochemical analyses were applied to characterize samples. The MIL/CoFe2O4/(3%)GO demonstrated the best performance compared to other samples for visible light photocatalytic and photo-Fenton-like degradation of Direct Red 23 (DtR-23), Reactive Red 198 (ReR-198) dyes as well as Tetracycline Hydrochloride (TC-H) antibiotic. Degradation of dyes using the ternary composite after 70 min of visible light irradiation was greater than that of 99%. The presence of the optimum GO as a strong electron acceptor in MIL/CoFe2O4/(3%)GO not only led to the effective separation of charge carriers and thus reduction of their recombination but also increased the absorption of visible light. The composite possessed good durability in terms of stability and reusability. The PL, EIS and electrochemical analyses indicated that the MIL/CoFe2O4/(3%)GO improved the optical properties and photocatalytic performance.
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Affiliation(s)
- Seyed Behnam Bagherzadeh
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran; Department of Environmental Research, Institute for Color Science and Technology, Tehran, Iran
| | - Mohammad Kazemeini
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Niyaz Mohammad Mahmoodi
- Department of Environmental Research, Institute for Color Science and Technology, Tehran, Iran.
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Ma X, Wang W, Sun C, Li H, Sun J, Liu X. Adsorption performance and kinetic study of hierarchical porous Fe-based MOFs for toluene removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 793:148622. [PMID: 34328958 DOI: 10.1016/j.scitotenv.2021.148622] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 06/17/2021] [Accepted: 06/19/2021] [Indexed: 06/13/2023]
Abstract
In light of the promising merits of large surface area, uniform pore size, and tunable functional groups, metal-organic frameworks (MOFs) have great potential to be utilized for adsorbing volatile organic compounds (VOCs). In this study, three Fe-based MOFs, MIL-100(Fe), MIL-101(Fe), and MIL-53(Fe), were synthesized systematically and used to adsorb a typical VOC, toluene. Static adsorption, dynamic breakthrough curves, and adsorption kinetics were conducted to assess the adsorption performance. Additionally, the surface functional groups, pore structure, and morphology were systematically characterized by means of XRD, SEM, XPS, FTIR and N2 adsorption-desorption analyses to reveal the cause of the difference in adsorption of these Fe-based MOFs. The results revealed that the maximum equilibrium adsorption capacity of 663 mg/g was achieved by MIL-100(Fe) with the highest specific surface area and pore volume. The dynamic adsorption of toluene on MIL-100(Fe) was in accordance with the pseudo-first order kinetic model and the Langmuir isothermal model. The formed π-π stacking interaction between organic ligands and the benzene ring in the MIL-100(Fe) cluster is the primary adsorption mechanism based on XPS analysis. Moreover, MIL-100(Fe) was easily regenerated via microwave irradiation with a negligible adsorption capacity decrease after three cycles. This work highlights the feasibility of hierarchical porous Fe-based MOFs as toluene adsorbents and promotes the application of MOFs in the field of pollution control.
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Affiliation(s)
- Xiaoling Ma
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, PR China
| | - Wenlong Wang
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, PR China.
| | - Chenggong Sun
- Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK.
| | - Hui Li
- School of Thermal Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Jing Sun
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, PR China
| | - Xin Liu
- Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
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Le VN, Vo TK, Yoo KS, Kim J. Enhanced CO2 adsorption performance on amino-defective UiO-66 with 4-amino benzoic acid as the defective linker. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119079] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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43
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Murindababisha D, Yusuf A, Sun Y, Wang C, Ren Y, Lv J, Xiao H, Chen GZ, He J. Current progress on catalytic oxidation of toluene: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:62030-62060. [PMID: 34570323 DOI: 10.1007/s11356-021-16492-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
Toluene is one of the pollutants that are dangerous to the environment and human health and has been sorted into priority pollutants; hence, the control of its emission is necessary. Due to severe problems caused by toluene, different techniques for the abatement of toluene have been developed. Catalytic oxidation is one of the promising methods and effective technologies for toluene degradation as it oxidizes it to CO2 and does not deliver other pollutants to the environment. This paper highlights the recent progressive advancement of the catalysts for toluene oxidation. Five categories of catalysts, including noble metal catalysts, transition metal catalysts, perovskite catalysts, metal-organic frameworks (MOFs)-based catalysts, and spinel catalysts reported in the past half a decade (2015-2020), are reviewed. Various factors that influence their catalytic activities, such as morphology and structure, preparation methods, specific surface area, relative humidity, and coke formation, are discussed. Furthermore, the reaction mechanisms and kinetics for catalytic oxidation of toluene are also discussed.
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Affiliation(s)
- David Murindababisha
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo, People's Republic of China
| | - Abubakar Yusuf
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo, People's Republic of China
| | - Yong Sun
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo, People's Republic of China.
| | - Chengjun Wang
- College of Resources and Environmental Science, South-Central University for Nationalities, Wuhan, People's Republic of China.
| | - Yong Ren
- Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham Ningbo China, Ningbo, People's Republic of China
| | - Jungang Lv
- Procuratoral Technology and Information Research Center, Supreme People's Procuratorate, Beijing, People's Republic of China
| | - Hang Xiao
- Centre for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, People's Republic of China
| | - George Zheng Chen
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham, Nottingham, UK
| | - Jun He
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo, People's Republic of China.
- Key Laboratory of Carbonaceous Wastes Processing and Process Intensification Research of Zhejiang Province, University of Nottingham Ningbo China, Ningbo, People's Republic of China.
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44
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Pei Y, Qin J, Wang J, Hu Y. Fe-based metal organic framework derivative with enhanced Lewis acidity and hierarchical pores for excellent adsorption of oxygenated volatile organic compounds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 790:148132. [PMID: 34111790 DOI: 10.1016/j.scitotenv.2021.148132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/21/2021] [Accepted: 05/26/2021] [Indexed: 06/12/2023]
Abstract
A series of Fe-based metal organic framework derived materials were prepared by thermal treating MIL-100(Fe) in nitrogen atmosphere for adsorption removal of oxygenated volatile organic compounds (OVOCs) such as methanol, formaldehyde and acetone under dynamic conditions. The experimental results showed that the partially carbonized M-350 material obtained by calcining MIL-100(Fe) at 350 °C exhibited the best adsorption performance and high stability. The breakthrough adsorption capacity of M-350 for methanol was 61.5% higher than that of pure MIL-100 (Fe), and it was 24.7, 6.5 and 2.6 times higher than that of commercial activated carbon, ZSM-5 and SAPO-34 adsorbents, respectively. The excellent adsorption performance was attributed to the exposure of abundant coordinatively unsaturated iron metal sites acting as Lewis acid sites through high temperature calcination, which had a strong affinity for OVOCs. Meanwhile, a hierarchical porous structure and high specific surface area further promoted the adsorption. This work provides new insights into the further development of metal organic frameworks based functional materials for VOCs removal and purification.
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Affiliation(s)
- Yun Pei
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Junxian Qin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Jun Wang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Yun Hu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, Guangzhou 510006, PR China; Guangdong Provincial Engineering and Technology Research Centre for Environmental Risk Prevention and Emergency Disposal, Guangzhou 510006, PR China.
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Ma X, Wang W, Sun C, Sun J. Comprehensive evaluation of ionic liquid [Bmim][PF 6] for absorbing toluene and acetone. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 285:117675. [PMID: 34380233 DOI: 10.1016/j.envpol.2021.117675] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 06/13/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
Absorption is an eminent technology for volatile organic compounds (VOCs) elimination with the merits of high efficiency and low cost. Absorbent plays a critical role in the absorption process, and the thermal stability, saturation capacity, and regeneration performance should be concerned. As a kind of green and eco-friendly solvent, ionic liquid (IL) is expected to be a substitute for the conventional VOCs absorbent. In this study, 1-butyl-3-methylimidazolium hexafluorophosphate ([Bmim][PF6]) is employed to absorb the modeling VOCs (toluene and acetone). Moreover, the used [Bmim][PF6] is recovered by thermal distillation and the reusability is then conducted by consecutive batch experiments. Based on that, the thermal stability of [Bmim][PF6] is comprehensively examined, in which the kinetic and thermodynamic parameters are also calculated. Results reveal that [Bmim][PF6] owned promising toluene absorption performance with inlet concentration of 3000 mg/m3 and flow rate of 300 mL/min at 20 °C, it possesses the saturated adsorption capacity of 5.16 mg/g. [Bmim][PF6] also shows satisfying thermal stability up to 610 K. In addition, thermal distillation is proved to be a reliable regeneration route on account of the recovered [Bmim][PF6] remained satisfying capacity even after five cycles.
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Affiliation(s)
- Xiaoling Ma
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong, 250061, China
| | - Wenlong Wang
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong, 250061, China.
| | - Chenggong Sun
- Faculty of Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Jing Sun
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong, 250061, China
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Shi J, Han R, Lu S, Liu Q. A metal-OH group modification strategy to prepare highly-hydrophobic MIL-53-Al for efficient acetone capture under humid conditions. J Environ Sci (China) 2021; 107:111-123. [PMID: 34412774 DOI: 10.1016/j.jes.2021.01.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 06/13/2023]
Abstract
A series of highly-hydrophobic MIL-53-Al (MIL = Materials of Institut Lavoisier) frameworks synthesized via decoration of the Al-OH groups by alkyl phosphonic acid were developed as adsorbents for removing acetone from humid gas streams. The newly prepared materials were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), N2 adsorption-desorption and thermogravimetric analysis (TGA). Their adsorption behaviors toward acetone vapor under dry and wet conditions were studied subsequently. Results showed that alkyl phosphonic acid was successfully grafted into MIL-53-Al skeleton through coordinating interaction with Al3+ generating MIL-53-Al@Cx (x = 12, 14, 18). The MIL-53-Al@Cx exhibited similar crystal structure and thermal stability to parent MIL-53-Al. Furthermore, the modified materials showed significantly enhanced hydrophobicity. The water vapor uptake of MIL-53-Al@C14 decreased by 72.55% at 75% relative humidity (RH). Dynamic adsorption experiments demonstrated that water vapor had almost no effect on the acetone adsorption performance of MIL-53-Al@C14. Under the condition of 90% RH, the acetone adsorption capacity of MIL-53-Al@C14 was 102.98% higher than that of MIL-53-Al. Notably, MIL-53-Al@C14 presented excellent adsorption reversibility and regeneration performance in 10 adsorption-desorption cycles. Taken together, the strategy of metal-OH group modification is an attractive way to improve the acetone adsorption performance over metal-organic frameworks (MOFs) under humid conditions. Besides, MIL-53-Al@C14 would be deemed as a promising candidate for capturing acetone in high moisture environment.
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Affiliation(s)
- Jiaqi Shi
- Tianjin Key Lab of Indoor Air Environmental Quality Control, School of Environmental Science and Technology, Tianjin University, Tianjin 300350, China; State Key Laboratory of Engines, Tianjin University, Tianjin 300350, China
| | - Rui Han
- Tianjin Key Lab of Indoor Air Environmental Quality Control, School of Environmental Science and Technology, Tianjin University, Tianjin 300350, China; State Key Laboratory of Engines, Tianjin University, Tianjin 300350, China
| | - Shuangchun Lu
- Tianjin Key Lab of Indoor Air Environmental Quality Control, School of Environmental Science and Technology, Tianjin University, Tianjin 300350, China; State Key Laboratory of Engines, Tianjin University, Tianjin 300350, China
| | - Qingling Liu
- Tianjin Key Lab of Indoor Air Environmental Quality Control, School of Environmental Science and Technology, Tianjin University, Tianjin 300350, China; State Key Laboratory of Engines, Tianjin University, Tianjin 300350, China.
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47
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Hierarchical porous HKUST-1 fabricated by microwave-assisted synthesis with CTAB for enhanced adsorptive removal of benzothiophene from fuel. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118868] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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48
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Alivand MS, Tehrani NHMH, Askarieh M, Ghasemy E, Esrafili MD, Ahmadi R, Anisi H, Tavakoli O, Rashidi A. Defect engineering-induced porosity in graphene quantum dots embedded metal-organic frameworks for enhanced benzene and toluene adsorption. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125973. [PMID: 34492882 DOI: 10.1016/j.jhazmat.2021.125973] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 04/19/2021] [Accepted: 04/22/2021] [Indexed: 06/13/2023]
Abstract
The emerging environmental issues necessitate the engineering of novel and well-designed nanoadsorbents for advanced separation and purification applications. Despite recent advances, the facile synthesis of hierarchical micro-mesoporous metal-organic frameworks (MOFs) with tuned structures has remained a challenge. Herein, we report a simple defect engineering approach to manipulate the framework, induce mesoporosity, and crease large pore volumes in MIL-101(Cr) by embedding graphene quantum dots (GQDs) during its self-assembly process. For instance, MIL-101@GQD-3 (Vmeso: 0.68 and Vtot: 1.87 cm3/g) exhibited 300.0% and 53.3% more meso and total pore volume compared to those of the conventional MIL-101 (Vmeso: 0.17 and Vtot: 1.22 cm3/g), respectively, resulting in 1.7 and 2.8 times greater benzene and toluene loading at 1 bar and 25 °C. In addition, we found that MIL-101@GQD-3 retained its superiority over a wide range of VOC concentrations and operating temperature (25-55 °C) with great cyclic capacity and energy-efficient regeneration. Considering the simplicity of the adopted technique to induce mesoporosity and tune the nanoporous structure of MOFs, the presented GQD incorporation technique is expected to provide a new pathway for the facile synthesis of advanced materials for environmental applications.
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Affiliation(s)
- Masood S Alivand
- Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia; School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Neda Haj Mohammad Hossein Tehrani
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran; Nanotechnology Research Center, Research Institute of Petroleum Industry, Tehran, Iran
| | - Mojtaba Askarieh
- Nanotechnology Research Center, Research Institute of Petroleum Industry, Tehran, Iran
| | - Ebrahim Ghasemy
- Centre Énergie Matériaux Télécommunications, Institut National De La Recherché, Varennes, Quebec, Canada
| | - Mehdi D Esrafili
- Department of Chemistry, Faculty of Basic Sciences, University of Maragheh, Maragheh, Iran
| | - Raziyeh Ahmadi
- Nanotechnology Research Center, Research Institute of Petroleum Industry, Tehran, Iran
| | - Hossein Anisi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Omid Tavakoli
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran.
| | - Alimorad Rashidi
- Nanotechnology Research Center, Research Institute of Petroleum Industry, Tehran, Iran.
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Yue K, Zhang X, Jiang S, Chen J, Yang Y, Bi F, Wang Y. Recent advances in strategies to modify MIL-125 (Ti) and its environmental applications. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116108] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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50
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Boosted capture of volatile organic compounds in adsorption capacity and selectivity by rationally exploiting defect-engineering of UiO-66(Zr). Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118087] [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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