1
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Si Y, Li Y, Guo J, Wang H, Wang X, Fu J. Combined fabrication of zeolitic imidazolate framework-8 and lanthanide towards coordination polymers: A dual-signal fluorescent probe for sensing Cu 2+ based on synergistic effect of aggregation-induced emission and antenna effect. Talanta 2024; 273:125941. [PMID: 38518715 DOI: 10.1016/j.talanta.2024.125941] [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: 09/16/2023] [Revised: 01/15/2024] [Accepted: 03/16/2024] [Indexed: 03/24/2024]
Abstract
Copper ion (Cu2+) detection remains an important task for monitoring water quality because of its specific toxicity. Herein, a new dual-signal fluorescent probe was developed by combining zeolitic imidazolate framework-8 (ZIF-8) and lanthanide for the detection of Cu2+ for the first time. The lanthanide coordination polymer (guanosine monophosphate and Eu3+, GMP/Eu) was initially incorporated into ZIF-8 to yield ZIF-8/GMP/Eu nanomaterials with extremely weak single emission fluorescence at 618 nm. It was found that the resulted nanomaterials could display a dual emission fluorescence at 515 nm and 618 nm after the introduction of tetracycline (TC) due to the synergistic effect of aggregation-induced emission effect (AIE, TC induced by ZIF-8) and antenna effect (AE, between TC and GMP/Eu). Interestingly, in the presence of Cu2+, the AIE of TC was destroyed because of the interaction of Cu2+ with ZIF-8 and TC. The AE between TC and GMP/Eu disappeared due to the formation of complex between TC and Cu2+. A dual-signal fluorescent probe of ZIF-8/GMP/Eu/TC was thereby established for sensing Cu2+ in the range of 0.5-100 μM. Such a dual-signal response strategy that intelligently utilized the "ON"/"OFF" of AIE and AE can not only eliminate the background interference, but also ensure the improved selectivity of Cu2+ sensing. Subsequently, the dual-signal fluorimetric strategy was applied for the detection of Cu2+ in environmental water samples, indicating the potential feasibility of applications for water quality monitoring.
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Affiliation(s)
- Yanmei Si
- College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, 272067, PR China
| | - Yanli Li
- College of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang, 330063, PR China
| | - Jianli Guo
- College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, 272067, PR China
| | - Hua Wang
- School of Life Science, Huzhou University, Huzhou, 313000, PR China.
| | - Xinfang Wang
- College of Chemistry and Chemical Engineering, Dezhou University, Dezhou, 253023, PR China
| | - Jia Fu
- College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, 272067, PR China.
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2
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Dai X, Wang L, Man Z, He Y, Wang W, Lin F, Zhu J, Liu D, Xiao H, Wang K. In situ synthesis of porous metal-organic frameworks NH 2-UiO-66 on tea stem biochar and application in odours adsorption. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 353:124168. [PMID: 38761878 DOI: 10.1016/j.envpol.2024.124168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/20/2024]
Abstract
Multiple odour nuisance in livestock farming is a notorious problem that has a significant impact on the living environment of surrounding communities. Adsorbents based on metal-organic framework (MOF) materials show great promise for controlling odour pollution, as they offer a high specific surface area, a controllable structure and an abundance of active sites. However, the MOF formation process is prone to problems such as pore clogging or collapse and reduced porosity, which limits its further application. In this study, a series of odour adsorbents were prepared by in situ growth of NH2-UiO-66 on tea stem biochar (TSBC) using a hydrothermal method and named UiO (Zr)-TSBCx. The physical and chemical properties and composition of UiO (Zr)-TSBCx have been systematically characterized using SEM, TEM, XRD, FT-IR, N2 adsorption-desorption and XPS. The release of odours from the pig farm effluent was monitored using in-situ continuous Proton-Transfer-Reaction Mass Spectrometry (PTR-MS), and the obtained primary compositions were tested for further adsorption. In dynamic adsorption experiments focused on butyric acid, UiO (Zr)-TSBC2 showed a high adsorption capacity of 3.99 × 105 μg/g and exceptional structural stability. UiO (Zr)-TSBC2 showed variable adsorption efficiencies for different odorous gases, with the best performance for the removal of ammonia, toluene and butyric acid. It also demonstrated the ability to rapidly mitigate instantaneous high concentrations of hydrogen sulfide (H2S), methanethiol and toluene resulting from agitation. Additionally, based on the relationship between the adsorption amount and the structural characteristics of the adsorbent as well as the nature of the odours, a possible adsorption mechanism of UiO (Zr)-TSBC2 for a variety of odours released from pig farm effluent was proposed. This work demonstrates a novel approach to promote deodorization applications in livestock and poultry farming environments by the in-situ growth of NH2-UiO-66 on biochar prepared from tea stem.
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Affiliation(s)
- Xiaorong Dai
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Leiping Wang
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo, 315800, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Zun Man
- Key Laboratory of Equipment and Informatization in Environment Controlled Agriculture, Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Yuxuan He
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo, 315800, China
| | - Wei Wang
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo, 315800, China
| | - Fangcong Lin
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Junjie Zhu
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Dezhao Liu
- Key Laboratory of Equipment and Informatization in Environment Controlled Agriculture, Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Hang Xiao
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo (Beilun) Zhongke Haixi Industrial Technology Innovation Center, Ningbo, 315800, China
| | - Kaiying Wang
- Key Laboratory of Equipment and Informatization in Environment Controlled Agriculture, Ministry of Agriculture and Rural Affairs, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
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3
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Fang X, Zhang D, Chang Z, Li R, Meng S. Phosphorus removal from water by the metal-organic frameworks (MOFs)-based adsorbents: A review for structure, mechanism, and current progress. ENVIRONMENTAL RESEARCH 2024; 243:117816. [PMID: 38056614 DOI: 10.1016/j.envres.2023.117816] [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: 10/17/2023] [Revised: 11/14/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023]
Abstract
Efficacious phosphate removal is essential for mitigating eutrophication in aquatic ecosystems and complying with increasingly stringent phosphate emission regulations. Chemical adsorption, characterized by simplicity, prominent treatment efficiency, and convenient recovery, is extensively employed for profound phosphorus removal. Metal-organic frameworks (MOFs)-derived metal/carbon composites, surpassing the limitations of separate components, exhibit synergistic effects, rendering them tremendously promising for environmental remediation. This comprehensive review systematically summarizes MOFs-based materials' properties and their structure-property relationships tailored for phosphate adsorption, thereby enhancing specificity towards phosphate. Furthermore, it elucidates the primary mechanisms influencing phosphate adsorption by MOFs-based composites. Additionally, the review introduces strategies for designing and synthesizing efficacious phosphorus capture and regeneration materials. Lastly, it discusses and illuminates future research challenges and prospects in this field. This summary provides novel insights for future research on superlative MOFs-based adsorbents for phosphate removal.
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Affiliation(s)
- Xiaojie Fang
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Di Zhang
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Key Laboratory of Black Soil Protection and Restoration, Harbin, Heilongjiang, 150030, China.
| | - Zhenfeng Chang
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Ruoyan Li
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Shuangshuang Meng
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
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4
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Bishay ES, Elged AH, Farag AA, Zahran MK, Tawfik SM. Alginate-modified surfactants functionalized metal-organic framework-based fluorescent film sensors for detection and adsorption of volatile aldehydes in water. Int J Biol Macromol 2024; 259:129080. [PMID: 38161018 DOI: 10.1016/j.ijbiomac.2023.129080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/09/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Volatile aldehydes have an adverse impact on both human health and the environment, therefore, a fast, straightforward, highly accurate detection technique for the simultaneous detection and removal of several aldehydes is eagerly anticipated. Herein, novel APGF@ZIF-8 and APOF@ZIF-8 sensing materials were developed by coating fluorescent alginate-modified surfactants (APGF and APOF) into the ZIF-8 MOFs to produce quite porous fluorescent sensors (SBET up to 1519 m2/g). The detection capacity of the prepared sensors for benzaldehyde, glyoxal, formaldehyde, and acetaldehyde has been examined. The detection mechanism was suggested as hydrogen bonding formation between the sensors and volatile aldehydes as confirmed by Gaussian calculations. All the fluorescence spectra of aldehydes display remarkable linear detection relationships in the range of 0.05-200 μM with the limits of detection (LOD) values in the range of 0.001-0.18 μM (0.106-10.44 ppb). These sensors were utilized successfully to detect multiple volatile aldehydes in river water samples with satisfactory recoveries of 96-107 %. Interestingly, fluorescent APGF@ZIF-8/CS and APOF@ZIF-8/CS films as portable disposable removal techniques for benzaldehyde, glyoxal, formaldehyde, and acetaldehyde from water were fabricated. APOF@ZIF-8/CS exhibited an excellent formaldehyde adsorption capacity of 58.30 mg/g and an adsorption removal efficiency of 93.5 %. The adsorption process of biosorbent on various aldehydes was fitted by Freundlich adsorption isotherm. The adsorption kinetics followed Pseudo-second-order kinetic model.
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Affiliation(s)
- Emad S Bishay
- Department of Technical Affairs of Petroleum Materials, Wataniya Petroleum Company, Cairo 11765, Egypt
| | - Ahmed H Elged
- Department of Petrochemicals, Egyptian Petroleum Research Institute, Cairo 11727, Egypt
| | - Ahmed A Farag
- Petroleum Applications Department, Egyptian Petroleum Research Institute, Cairo 11727, Egypt
| | - Magdy K Zahran
- Chemistry Department, Faculty of Science, Helwan University, Cairo 11795, Egypt.
| | - Salah M Tawfik
- Department of Petrochemicals, Egyptian Petroleum Research Institute, Cairo 11727, Egypt.
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5
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Boukair K, Salazar JM, Weber G, Badawi M, Ouaskit S, Simon JM. Toward the development of sensors for lung cancer: The adsorption of 1-propanol on hydrophobic zeolites. J Chem Phys 2023; 159:214712. [PMID: 38059548 DOI: 10.1063/5.0168230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 11/07/2023] [Indexed: 12/08/2023] Open
Abstract
A healthy breath is mainly composed of water, carbon dioxide, molecular nitrogen, and oxygen and it contains many species, in small quantities, which are related to the ambient atmosphere and the metabolism. The breath of a person affected by lung cancer presents a concentration of 1-propanol higher than usual. In this context, the development of specific sensors to detect 1-propanol from breath is of high interest. The amount of propanol usually detected on the breath is of few ppb; this small quantity is a handicap for a reliable diagnostic. This limitation can be overcome if the sensor is equipped with a pre-concentrator. Our studies aim to provide an efficient material playing this role. This will contribute to the development of reliable and easy to use lung cancer detectors. For this, we investigate the properties of a few hydrophobic porous materials (chabazite, silicalite-1, and dealuminated faujasite). Hydrophobic structures are used to avoid saturation of materials by the water present in the exhaled breath. Our experimental and simulation results suggest that silicalite -1 (MFI) is the most suitable structure to be used as a pre-concentrator.
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Affiliation(s)
- K Boukair
- Laboratoire de Physique de la Matière Condensée, Hassan 2 University, Casablanca, Morroco
| | - J M Salazar
- ICB-UMR 6303 CNRS, Bourgogne Franche Comté University, Dijon, France
| | - G Weber
- ICB-UMR 6303 CNRS, Bourgogne Franche Comté University, Dijon, France
| | - M Badawi
- Laboratoire de Physique et Chimie Théoriques, University of Lorraine, Nancy, France
- Université de Lorraine, CNRS, L2CM, F-57000 Metz, France
| | - S Ouaskit
- Laboratoire de Physique de la Matière Condensée, Hassan 2 University, Casablanca, Morroco
| | - J-M Simon
- ICB-UMR 6303 CNRS, Bourgogne Franche Comté University, Dijon, France
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6
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Siu B, Chowdhury AR, Yan Z, Humphrey SM, Hutter T. Selective adsorption of volatile organic compounds in metal-organic frameworks (MOFs). Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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7
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Isinkaralar K, Meruyert K. Adsorption Behavior of Multi-Component BTEX on the Synthesized Green Adsorbents Derived from Abelmoschus esculentus L. Waste Residue. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04556-0. [PMID: 37093534 DOI: 10.1007/s12010-023-04556-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2023] [Indexed: 04/25/2023]
Abstract
Benzene, toluene, ethylbenzene, and xylene (BTEX) removal is one of the most common difficulties in air pollution control. They are emitted from several processes, prejudicial to the environment and humans. BTEX leads to various environmental risks, and there is a significant need for a creating process for the complete removal of BTEX from air streams. This study's objective is the multi-component adsorption of BTEX pollutants from an air stream, by synthesizing activated carbons (ACs) under several operations. A lignocellulosic waste biomass, Abelmoschus esculentus L. (AE), was utilized as the precursor for synthesizing activated carbons (AE-ACs), and their surface chemical characteristics were investigated. Optimization processes were examined, and the change in the surface area of AE-ACs was investigated as change of some variables results like activation agent, impregnation ratio, temperature, and activation time. The maximum surface area of 968 m2/g and total pore volume of 0.51 cm3/g were attained at 1:2 impregnation ratio, activation time of 110 min, and activation temperature of 800 °C, under N2 atmosphere. A mixture of BTEX pollutants was employed to consider the effect of humidity (0.5, 1, 1.5, and 2 wt%) and initial concentrations (from 5 to 300 mg/m3), using a contact time of 120 min at the temperature of 25 °C. Under the studied conditions, the multi-component and single-component BTEX adsorption capacities by HCl-activated carbon, AE-ACH, were specifically achieved to 6.86-51.36 mg/g and 22-93.62 mg/g, respectively. Overall, Abelmoschus esculentus L. was exploited for the synthesis of AE-ACH which was successfully utilized for efficient BTEX capture from a polluted air stream.
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Affiliation(s)
- Kaan Isinkaralar
- Department of Environmental Engineering, Faculty of Engineering and Architecture, Kastamonu University, 37150, Kastamonu, Türkiye.
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8
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Severino MI, Al Mohtar A, Vieira Soares C, Freitas C, Sadovnik N, Nandi S, Mouchaham G, Pimenta V, Nouar F, Daturi M, Maurin G, Pinto ML, Serre C. MOFs with Open Metal(III) Sites for the Environmental Capture of Polar Volatile Organic Compounds. Angew Chem Int Ed Engl 2023; 62:e202211583. [PMID: 36468308 PMCID: PMC10108120 DOI: 10.1002/anie.202211583] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/15/2022] [Accepted: 12/02/2022] [Indexed: 12/11/2022]
Abstract
Metal-Organic Frameworks (MOFs) with open metal sites (OMS) interact strongly with a range of polar gases/vapors. However, under ambient conditions, their selective adsorption is generally impaired due to a high OMS affinity to water. This led previously to the privilege selection of hydrophobic MOFs for the selective capture/detection of volatile organic compounds (VOCs). Herein, we show that this paradigm is challenged by metal(III) polycarboxylates MOFs, bearing a high concentration of OMS, as MIL-100(Fe), enabling the selective capture of polar VOCs even in the presence of water. With experimental and computational tools, including single-component gravimetric and dynamic mixture adsorption measurements, in situ infrared (IR) spectroscopy and Density Functional Theory calculations we reveal that this adsorption mechanism involves a direct coordination of the VOC on the OMS, associated with an interaction energy that exceeds that of water. Hence, MOFs with OMS are demonstrated to be of interest for air purification purposes.
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Affiliation(s)
- Maria Inês Severino
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Abeer Al Mohtar
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | | | - Cátia Freitas
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Nicolas Sadovnik
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, 14000, Caen, France
| | - Shyamapada Nandi
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Georges Mouchaham
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Vanessa Pimenta
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Farid Nouar
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
| | - Marco Daturi
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, 14000, Caen, France
| | - Guillaume Maurin
- ICGM, Univ. Montpellier, CNRS, ENSCM, 34293, Montpellier, France
| | - Moisés L Pinto
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Christian Serre
- Institut des Matériaux Poreux de Paris (IMAP), ESPCI Paris, Ecole Normale Supérieure, CNRS, PSL University, 75005, Paris, France
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9
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Zhang X, Yan Y, Yao J, Jin S, Tang Y. Chemistry directs the conservation of paper cultural relics. Polym Degrad Stab 2023. [DOI: 10.1016/j.polymdegradstab.2022.110228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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Yan Y, Zhao Y, Gong C, Tao Y, Lu K, Hong X, Xia M, Wang F. In-situ growth of 2D magnesium hydroxide on zirconium-based metal organic frameworks for phosphate removal: An experimental and theoretical exploration of adsorption behavior. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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11
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Hashemi L, Masoomi MY, Garcia H. Regeneration and reconstruction of metal-organic frameworks: Opportunities for industrial usage. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Tang Z, Tao H, Wang X, Chen L, Song C, Lu G, Xie X, Sun J. Quasi-In Situ Synthesis of Ag NPs@m-MIL-100(Fe) for the Enhanced Photocatalytic Elimination of Flowing Xylenes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:52894-52906. [PMID: 36378027 DOI: 10.1021/acsami.2c15811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The implantation of metal nanoparticles (MNPs) into metal-organic framework (MOF) hosts is a promising means to prepare high-performance photocatalysts for the degradation of gas pollutants. However, the uniform encapsulation of MNPs in MOFs is still challenging. Herein, a facile "quasi-in situ" encapsulation method is proposed by utilizing the spatial confinement effect of the colloidal network formed during the synthesis of the MIL-100(Fe) monolith [noted as m-MIL-100(Fe)]. Highly dispersed Ag NPs with an average diameter of ∼2 nm are encapsulated in the MIL-100(Fe) monolith to form a unique "watermelon-seed" structure, which ensures the large contact area between the two components and protects Ag NPs from being oxidized. The fast charge transfer between m-MIL-100(Fe) and Ag NPs enables the spatial separation of electron-hole pairs and promotes the generation of oxidative radicals. Compared with pristine m-MIL-100(Fe), the 0.2 wt % Ag@m-MIL-100(Fe) composite shows obviously enhanced photodegradation efficiencies for flowing o-xylene under both xenon (∼97%) and visible light (∼80.0%) with high stability. This work not only provides a promising Ag@m-MIL-100(Fe) material for eliminating air pollutants but also gives a versatile means for the design and synthesis of nanoparticles@MOFs composites with desired performance.
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Affiliation(s)
- Zixia Tang
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
- University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai200093, China
| | - Hong Tao
- University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai200093, China
| | - Xiao Wang
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
| | - Lu Chen
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
| | - Chi Song
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
| | - Guanhong Lu
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
| | - Xiaofeng Xie
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
| | - Jing Sun
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 585 Heshuo Road, Shanghai201899, PR China
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13
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The co-adsorption potential of metal-organic framework/activated carbon composites against both polar and non-polar volatile organic compounds in air. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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14
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Anand B, Kumar V, Younis SA, Kim KH. HKUST-1 infused woven cotton filter for enhanced adsorptive removal of toluene vapor from gaseous streams. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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15
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Ahmadi Y, Kim KH. Recent Progress in the Development of Hyper-Cross-Linked Polymers for Adsorption of Gaseous Volatile Organic Compounds. POLYM REV 2022. [DOI: 10.1080/15583724.2022.2082470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Younes Ahmadi
- Department of Analytical Chemistry, Kabul University, Kabul, Afghanistan
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, Korea
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16
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Mylonas-Margaritis I, Mayans J, Efthymiou CG, McArdle P, Papatriantafyllopoulou C. Mixed‐Ligand Metal‐Organic Frameworks: Synthesis and Characterisation of new MOFs Containing Pyridine‐2,6‐dimethanolate and Benzene‐1,4‐dicarboxylate Ligands. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Júlia Mayans
- University of Barcelona: Universitat de Barcelona Chemistry IRELAND
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17
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Tran TY, Younis SA, Heynderickx PM, Kim KH. Validation of two contrasting capturing mechanisms for gaseous formaldehyde between two different types of strong metal-organic framework adsorbents. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127459. [PMID: 34670171 DOI: 10.1016/j.jhazmat.2021.127459] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/21/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
In this research, the adsorption behavior of formaldehyde (FA) onto two types of metal-organic frameworks (MOFs: MOF-199 [M199] and UiO-66-NH2 [U6N]) is investigated against changes in the key process variables (e.g., FA partial pressure (0.5-10 Pa), temperature (30-120 °C), and relative humidity (RH: 0%, 50%, and 100%)). The results revealed that the FA adsorption behavior onto both MOFs is exothermic in nature. Besides, their relative dominance for FA uptake varies interactively with the changes in RH and FA partial pressure levels. As the FA levels increase in dry conditions, their breakthrough volumes (BTV (100% BT)) exhibit contrasting trends: The values of U6N decreased noticeably from 5232 and 3792 L·atm·g-1, while those of M199 increased from 4152 to 5772 L·atm·g-1. The superiority of U6N over M199 in the lower FA level (at<5 Pa) is supported by the Lewis acid-base interactions with amine groups (U6N) in line with kinetic/isotherm studies. Such superiority is also persistent at higher (10 Pa) FA level under all humid conditions in line with its higher moisture stability. However, in dry conditions, the reversal of relative dominance in which M199 exhibits enhanced efficacy for 10 Pa FA uptake (relative to U6N) should reflect its breathing effects with the potent role of pore-diffusion mechanism. This study offers valuable insights into the construction of tunable adsorbents with enhanced adsorptivity toward key targets.
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Affiliation(s)
- Thi Yen Tran
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Sherif A Younis
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea; Analysis and Evaluation Department, Egyptian Petroleum Research Institute, 11727 Nasr City, Cairo, Egypt
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research (CEER) - Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840 Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, Ghent B-9000, Belgium
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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18
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Si Y, Li Y, Yang G, Zhang S, Yang L, Dai W, Wang H. Zeolitic imidazolate framework-8 for ratiometric fluorescence sensing tetracyclines in environmental water based on AIE effects. Anal Chim Acta 2022; 1199:339576. [DOI: 10.1016/j.aca.2022.339576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/18/2021] [Accepted: 02/03/2022] [Indexed: 11/29/2022]
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19
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Yan Y, Chu Y, Khan MA, Xia M, Shi M, Zhu S, Lei W, Wang F. Facile immobilization of ethylenediamine tetramethylene-phosphonic acid into UiO-66 for toxic divalent heavy metal ions removal: An experimental and theoretical exploration. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150652. [PMID: 34610397 DOI: 10.1016/j.scitotenv.2021.150652] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/07/2021] [Accepted: 09/24/2021] [Indexed: 06/13/2023]
Abstract
By the facile immobilization of ethylenediamine tetramethylene-phosphonic acid (EDTMPA) onto the surface and into the defects of UiO-66, a stable and efficient adsorbent named UiO-66-EDTMPA was obtained for the first time. In terms of removing aqueous heavy metal ions (Pb2+, Cd2+, Cu2+), the maximum adsorption capacities of UiO-66-EDTMPA reached 558.67, 271.34 and 210.89 mg/g, which were 8.77 (Pb2+), 5.63 (Cd2+) and 5.19 (Cu2+) times higher than raw UiO-66 respectively. The adsorption behavior of three heavy metal ions on UiO-66 and UiO-66-EDTMPA were investigated and compared through batch control experiments and theoretical studies. The main factors on adsorption progress (i.e., the dosage of EDTMPA, pH, ionic strength, co-existing ions, initial concentration, contact time, temperature) were explored, and the critical characterization (i.e., SEM, TEM, XRD, FT-IR, TG-DTG, XPS, N2 adsorption-desorption test) were performed. Molecular dynamics (MD) simulation (radial distribution functions (RDF) and mean square displacement (MSD)) were also applied to reveal the adsorption behavior. Besides, two new quantum chemical analyses (Hirshfeld surface and independent gradient model (IGM)) were introduced into the interaction analysis between UiO-66 and EDTMPA. The complete results showed that (1) where the hydrogen bond and (vdW) connect EDTMPA to UiO-66. (2) The coordination between O, N atoms of EDTMPA and heavy metal ions (Pb2+, Cd2+, Cu2+) resulted in spontaneous adsorption. (3) The adsorption behavior agreed with Langmuir and pseudo-second-order model, endothermic reaction. In addition, the desorption and reusability study showed promising stable and sustainable performance. This work has some guiding significance for the experimental and theoretical study of removing heavy metal ions from aqueous solutions by MOF or modified MOF materials.
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Affiliation(s)
- Yanghao Yan
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yuting Chu
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224000, China
| | | | - Mingzhu Xia
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Mingxing Shi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Sidi Zhu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Wu Lei
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Fengyun Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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20
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Lin XT, Sun G, Zhao JQ, Tang LL, Li SH, Xie YB. UiO-66 Selective Enrichment Integrated with Thermal Desorption GC-MS for Detection of Benzene Homologues in Ambient Air. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2021; 2021:3138436. [PMID: 34950524 PMCID: PMC8692002 DOI: 10.1155/2021/3138436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/01/2021] [Accepted: 11/25/2021] [Indexed: 06/14/2023]
Abstract
In this study, UiO-66 was selected as sorbent media packed in the tube to selectively enrich trace levels of benzene homologues such as benzene, toluene, and xylene (BTX) in ambient air prior to thermal desorption (TD)-GC-MS determination. A series of experiments were conducted to obtain the optimal TD conditions. The results indicated that the optimal TD parameters were as follows: desorption temperature of 180°C, desorption flow rate of 50 mL min-1, and desorption time of 30 min. Furthermore, the method based on UiO-66 enrichment integrated with TD-GC-MS for trace levels of BTX was successfully developed. It exhibited a good linearity (R 2 > 0.99) in the range of 50-1000 ng, except for p, m-xylene in the range of 100-2000 ng, and achieved the recovery of 69.4-101.3%, and the relative standard deviation of 3.8-6.4%. The detection limits of BTX were 1.6-4.0 ng; according to 10 L of sampling volume, the method detection limits would be in the range of 0.16-0.40 µg m-3. Additionally, the method was successfully applied to determine BTX in indoor air and showed good selectivity and sensitivity. In summary, the findings in this work revealed that UiO-66 was an attractive adsorbent for selective enrichment trace levels of BTX compounds in ambient air, which was favorable for the subsequent detection by TD-GC-MS.
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Affiliation(s)
- Xing-Tao Lin
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Ge Sun
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Jing-Qiang Zhao
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Ling-Li Tang
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Sheng-Hua Li
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Ya-Bo Xie
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
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21
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Yu H, Wang W, Lin F, Li K, Yan B, Song Y, Huang C, Chen G. A facile and green strategy to synthesize N/P co-doped bio-porous carbon with high yield from fungi residue for efficient VOC adsorption. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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22
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López‐Olvera A, Montes‐Andrés H, Martínez‐Ahumada E, López‐Cervantes VB, Martínez‐Serrano RD, González‐Zamora E, Martínez A, Leo P, Martos C, Ibarra IA, Orcajo G. Understanding the Mechanism of Amorphization for Co‐URJC‐5. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Alfredo López‐Olvera
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS) Instituto de Investigaciones en Materiales Universidad Nacional Autónoma de México Circuito Exterior s/n, CU Del. Coyoacán Ciudad de México 04510 México
| | - Helena Montes‐Andrés
- Department of Chemical Energy and Mechanical Technology Rey Juan Carlos University C/Tulipán s/n 28933 Móstoles Spain
| | - Eva Martínez‐Ahumada
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS) Instituto de Investigaciones en Materiales Universidad Nacional Autónoma de México Circuito Exterior s/n, CU Del. Coyoacán Ciudad de México 04510 México
| | - Valeria B. López‐Cervantes
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS) Instituto de Investigaciones en Materiales Universidad Nacional Autónoma de México Circuito Exterior s/n, CU Del. Coyoacán Ciudad de México 04510 México
| | - Ricardo D. Martínez‐Serrano
- Instituto de Investigaciones en Materiales Universidad Nacional Autónoma de México Circuito Exterior s/n, CU Del. Coyoacán Ciudad de México 04510 México
| | - Eduardo González‐Zamora
- Departamento de Química Universidad Autónoma Metropolitana-Iztapalapa San Rafael Atlixco 186 Col. Vicentina, Iztapalapa Ciudad de México Mexico
| | - Ana Martínez
- Departamento de Materiales de Baja Dimensionalidad Instituto de Investigaciones en Materiales and Facultad de Química Universidad Nacional Autónoma de México Circuito Exterior s/n, CU Del. Coyoacán Ciudad de México 04510 México
| | - Pedro Leo
- Department of Chemical and Environmental Technology Rey Juan Carlos University C/Tulipán s/n 28933 Móstoles Spain
| | - Carmen Martos
- Department of Chemical Energy and Mechanical Technology Rey Juan Carlos University C/Tulipán s/n 28933 Móstoles Spain
| | - Ilich A. Ibarra
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS) Instituto de Investigaciones en Materiales Universidad Nacional Autónoma de México Circuito Exterior s/n, CU Del. Coyoacán Ciudad de México 04510 México
| | - Gisela Orcajo
- Department of Chemical Energy and Mechanical Technology Rey Juan Carlos University C/Tulipán s/n 28933 Móstoles Spain
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23
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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: 9] [Impact Index Per Article: 3.0] [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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El Mohajir A, Castro-Gutiérrez J, Canevesi RLS, Bezverkhyy I, Weber G, Bellat JP, Berger F, Celzard A, Fierro V, Sanchez JB. Novel Porous Carbon Material for the Detection of Traces of Volatile Organic Compounds in Indoor Air. ACS APPLIED MATERIALS & INTERFACES 2021; 13:40088-40097. [PMID: 34379387 DOI: 10.1021/acsami.1c10430] [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
A highly sensitive and selective silicon-based microanalytical prototype was used to identify a few ppb of volatile organic compounds (VOCs) in indoor air. Herein, a new nonactivated tannin-derived carbon synthesized by an environmentally friendly method, DM2C, a MIL-101(Cr) MOF, and a DaY zeolite were selected for the preconcentration of BTEX compounds (i.e., benzene, toluene, ethylbenzene, and xylenes). Integrating a small amount of these nanoporous solids inside a miniaturized preconcentration unit led to excellent preconcentration performance. By taking advantage of the high adsorption-desorption capacities of the DM2C adsorbent, concentrations as low as 23.5, 30.8, 16.7, 25, and 28.8 ppb of benzene, toluene, ethylbenzene, ortho- and para-xylene, respectively, were detected in a short analysis time (∼10 min) even in the presence of 60% relative humidity at 25 °C. The DM2C showed excellent stability over a period of 4 months and more than 500 tests, as well as repeatability, which makes it a very reliable adsorbent for the detection of trace VOCs in indoor air under realistic conditions in the presence of humidity.
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Affiliation(s)
- Achraf El Mohajir
- Institut FEMTO-ST, UMR 6174 CNRS, Université de Bourgogne-Franche-Comté, 15B, Avenue des Montboucons, 25030 Besançon Cedex, France
| | | | | | - Igor Bezverkhyy
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS, Université de Bourgogne-Franche Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | - Guy Weber
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS, Université de Bourgogne-Franche Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | - Jean-Pierre Bellat
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS, Université de Bourgogne-Franche Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | - Franck Berger
- Institut FEMTO-ST, UMR 6174 CNRS, Université de Bourgogne-Franche-Comté, 15B, Avenue des Montboucons, 25030 Besançon Cedex, France
| | - Alain Celzard
- Université de Lorraine, CNRS, IJL, F-88000 Épinal, France
| | - Vanessa Fierro
- Université de Lorraine, CNRS, IJL, F-88000 Épinal, France
| | - Jean-Baptiste Sanchez
- Institut FEMTO-ST, UMR 6174 CNRS, Université de Bourgogne-Franche-Comté, 15B, Avenue des Montboucons, 25030 Besançon Cedex, France
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25
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Huang Z, Xu Z, Liu X, Zhao Y, Wang P, Liu Z, Sun W. A novel copper framework with amino tridentate N‐donor ligand as heterogeneous catalyst for ring opening of epoxides. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zi‐Qing Huang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
| | - Zou‐Hong Xu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
| | - Xiao‐Hui Liu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
| | - Yue Zhao
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
| | - Peng Wang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
| | - Zhi‐Qiang Liu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
- School of Chemistry and Chemical Engineering, Anhui Key Laboratory of Functional Coordination Compounds Anqing Normal University Anqing China
| | - Wei‐Yin Sun
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing China
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Sundriyal S, Shrivastav V, Bhardwaj SK, Mishra S, Deep A. Tetracyanoquinodimethane doped copper-organic framework electrode with excellent electrochemical performance for energy storage applications. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138229] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Winterlich M, McHugh D, O'Toole E, Skordi K, O'Malley C, Sanii R, Tasiopoulos A, Erxleben A, Mayans J, Morrison L, McArdle P, Zaworotko MJ, Tylianakis E, Froudakis G, Papatriantafyllopoulou C. Expanding the NUIG MOF family: synthesis and characterization of new MOFs for selective CO 2 adsorption, metal ion removal from aqueous systems, and drug delivery applications. Dalton Trans 2021; 50:6997-7006. [PMID: 33949547 DOI: 10.1039/d1dt00940k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Metal organic frameworks (MOFs) have attracted considerable attention in recent years due to their use in a wide range of environmental, industrial and biomedical applications. The employment of benzophenone-4,4'-dicarboxylic acid (bphdcH2) in MOF chemistry provided access to the 3D mixed metal MOFs [CoNa2(bphdc)2(DMF)2]n (NUIG2) and [ZnK2(bphdc)2(DMF)2]n (NUIG3), and the 2D homometallic MOF [Co2(OH)(bphdcH)2(DMF)2(H2O)2]n(OH)·DMF (1·DMF). 1·DMF is based on a dinuclear SBU and consists of interpenetrating networks with an sql topology. Dc magnetic susceptibility studies were carried out in 1·DMF and revealed the presence of weak antiferomagnetic exchange interactions between the metal centres. NUIG2 and NUIG3 are structural analogues of [ZnNa2(bphdc)2(DMF)2]n (NUIG1), which has shown an exceptionally high encapsulation for ibuprophen (Ibu), NO and metal ions. Both NUIG2 and NUIG3 display high metal ion (CoII, NiII, CuII) adsorption capacity, comparable to that of NUIG1, with NUIG2 exhibiting good performance in Ibu uptake (780 mg Ibu per g NUIG2). Monte Carlo simulations were conducted in NUIG1 in order to assess its adsorption capacity for other guest molecules, and revealed that it possesses an outstanding CO2 uptake at ambient pressure, which is larger than that of the previously reported best functioning species (104 vs. 100 cm3 (stp) per cm3). Furthermore, NUIG1 exhibits high selectivity for CO2 over CH4.
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Affiliation(s)
- Meghan Winterlich
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland. and CÚRAM Centre for Research in Medical Devices, Ireland
| | - Darragh McHugh
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland.
| | - Evan O'Toole
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland.
| | - Katerina Skordi
- Department of Chemistry, University of Cyprus, 1678 Nicosia, Cyprus
| | - Ciaran O'Malley
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland.
| | - Rana Sanii
- Synthesis and Solid-State Pharmaceutical Centre (SSPC), Ireland and University of Limerick, Bernal Institute, Castleroy, Limerick V94 T9PX, Ireland
| | | | - Andrea Erxleben
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland. and Synthesis and Solid-State Pharmaceutical Centre (SSPC), Ireland
| | - Júlia Mayans
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltran 2, 46980 Paterna (Valencia), Spain
| | - Liam Morrison
- Earth and Ocean Sciences and Ryan Institute, School of Natural Sciences, National University of Ireland Galway, H91 TK 33 Galway, Ireland
| | - Patrick McArdle
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland.
| | - Michael J Zaworotko
- Synthesis and Solid-State Pharmaceutical Centre (SSPC), Ireland and University of Limerick, Bernal Institute, Castleroy, Limerick V94 T9PX, Ireland
| | - Emmanuel Tylianakis
- Department of Materials Science and Technology, University of Crete, Voutes Campus, GR-70013 Heraklion, Crete, Greece
| | - George Froudakis
- Department of Chemistry, University of Crete, Voutes Campus, GR-70013 Heraklion, Crete, Greece
| | - Constantina Papatriantafyllopoulou
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, H91 TK 33 Galway, Ireland. and CÚRAM Centre for Research in Medical Devices, Ireland and Synthesis and Solid-State Pharmaceutical Centre (SSPC), Ireland
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Martin CR, Leith GA, Shustova NB. Beyond structural motifs: the frontier of actinide-containing metal-organic frameworks. Chem Sci 2021; 12:7214-7230. [PMID: 34163816 PMCID: PMC8171348 DOI: 10.1039/d1sc01827b] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/13/2021] [Indexed: 12/13/2022] Open
Abstract
In this perspective, we feature recent advances in the field of actinide-containing metal-organic frameworks (An-MOFs) with a main focus on their electronic, catalytic, photophysical, and sorption properties. This discussion deviates from a strictly crystallographic analysis of An-MOFs, reported in several reviews, or synthesis of novel structural motifs, and instead delves into the remarkable potential of An-MOFs for evolving the nuclear waste administration sector. Currently, the An-MOF field is dominated by thorium- and uranium-containing structures, with only a few reports on transuranic frameworks. However, some of the reported properties in the field of An-MOFs foreshadow potential implementation of these materials and are the main focus of this report. Thus, this perspective intends to provide a glimpse into the challenges, triumphs, and future directions of An-MOFs in sectors ranging from the traditional realm of gas sorption and separation to recently emerging areas such as electronics and photophysics.
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Affiliation(s)
- Corey R Martin
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Gabrielle A Leith
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
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30
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Zhang H, Zheng X, Xu T, Zhang P. Atomically Dispersed Y or La on Birnessite-Type MnO 2 for the Catalytic Decomposition of Low-Concentration Toluene at Room Temperature. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17532-17542. [PMID: 33826288 DOI: 10.1021/acsami.1c01433] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Room-temperature catalytic decomposition of low-concentration volatile organic compounds (VOCs) in indoor air is an exciting dream to solve their pollution. Herein, two kinds of rare-earth elements (Y and La) were separately doped into birnessite-type MnO2 nanosheets in the form of single atoms by the hydrothermal method. As-synthesized La/MnO2 achieved 100% removal of 10 ppm toluene at 40 °C under the gas hourly space velocity of 60 L g-1 h-1, which was even somewhat better than the single Pt atom-doped MnO2. In addition, La/MnO2 showed the good durability at room temperature for 0.5 ppm toluene removal under the GHSV of 300 L g-1 h-1 and could be effectively regenerated at 105 °C. GC/FID, online-MS and TD-GC/MS analysis demonstrated that only ignorable trace benzene (∼3.4 ppb, < one thousandth of inlet toluene) was generated in the gas phase during catalytic decomposition of 10 ppm toluene at room temperature. This research sheds light on the development of low cost and high activity catalysts for low-concentration VOC oxidation at room temperature.
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Affiliation(s)
- Huiyu Zhang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Xianming Zheng
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Tongzhou Xu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Pengyi Zhang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
- Beijing Key Laboratory for Indoor Air Quality Evaluation and Control, Beijing 100084, China
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Isaeva VI, Kulaishin SA, Vedenyapina MD, Chernyshev VV, Kapustin GI, Vergun VV, Kustov LM. Influence of the porous structure and functionality of the MIL type metal-organic frameworks and carbon matrices on the adsorption of 2,4-dichlorophenoxyacetic acid. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3058-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Lee J, Lee K, Kim J. Fiber-Based Gas Filter Assembled via In Situ Synthesis of ZIF-8 Metal Organic Frameworks for an Optimal Adsorption of SO 2: Experimental and Theoretical Approaches. ACS APPLIED MATERIALS & INTERFACES 2021; 13:1620-1631. [PMID: 33395254 DOI: 10.1021/acsami.0c19957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
For environmental protection from exposure to airborne toxic gases, metal organic frameworks (MOFs) have drawn great attention as gas adsorbent options, with their advantages in chemical tailorability and large porosity. To develop a fiber-based gas filter that is effective against SO2 gas, zeolite imidazole framework-8 (ZIF-8) was applied to polypropylene nonwoven by various methods. Among the tested methods, the sol-gel impregnation method showed the highest ZIF-8 loading efficiency. There existed an optimal loading of ZIF-8 for the maximum adsorption efficiency, and it was associated with the accessibility of gas molecules to the ZIF-8 pores and active sites. Dominant adsorption processes and mechanisms were investigated by fitting the theoretical sorption models to experimental data. The results demonstrate that the increased ZIF-8 loading to fibers, beyond a certain level, may hinder the diffusivity and increase the barrier effect, eventually decreasing the adsorption efficiency. This study is novel and significant in that a multifaceted approach, including experimental analysis, theoretical investigation, and computational modeling, was made for scrutinizing the intricate phenomena occurring in the gas sorption process. The results of this study provide the fundamental yet practical information on the manufacturing considerations for the optimal design of MOF-loaded fibrous adsorbents.
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Affiliation(s)
- Jinwook Lee
- Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyeongeun Lee
- Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Republic of Korea
- Reliability Assessment Center, FITI Testing & Research Institute, Seoul 07791, Republic of Korea
| | - Jooyoun Kim
- Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Republic of Korea
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Lai C, Wang Z, Qin L, Fu Y, Li B, Zhang M, Liu S, Li L, Yi H, Liu X, Zhou X, An N, An Z, Shi X, Feng C. Metal-organic frameworks as burgeoning materials for the capture and sensing of indoor VOCs and radon gases. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213565] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Hadjiivanov KI, Panayotov DA, Mihaylov MY, Ivanova EZ, Chakarova KK, Andonova SM, Drenchev NL. Power of Infrared and Raman Spectroscopies to Characterize Metal-Organic Frameworks and Investigate Their Interaction with Guest Molecules. Chem Rev 2020; 121:1286-1424. [DOI: 10.1021/acs.chemrev.0c00487] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | - Dimitar A. Panayotov
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Mihail Y. Mihaylov
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Elena Z. Ivanova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Kristina K. Chakarova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Stanislava M. Andonova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
| | - Nikola L. Drenchev
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria
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Mylonas-Margaritis I, Gérard A, Skordi K, Mayans J, Tasiopoulos A, McArdle P, Papatriantafyllopoulou C. From 1D Coordination Polymers to Metal Organic Frameworks by the Use of 2-Pyridyl Oximes. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4084. [PMID: 32937938 PMCID: PMC7560365 DOI: 10.3390/ma13184084] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/03/2020] [Accepted: 09/07/2020] [Indexed: 12/21/2022]
Abstract
The synthesis and characterization of coordination polymers and metal-organic frameworks (MOFs) has attracted a significant interest over the last decades due to their fascinating physical properties, as well as their use in a wide range of technological, environmental, and biomedical applications. The initial use of 2-pyridyl oximic ligands such as pyridine-2 amidoxime (H2pyaox) and 2-methyl pyridyl ketoxime (Hmpko) in combination with 1,2,4,5-benzene tetracarboxylic acid (pyromellitic acid), H4pma, provided access to nine new compounds whose structures and properties are discussed in detail. Among them, [Zn2(pma)(H2pyaox)2(H2O)2]n (3) and [Cu4(OH)2(pma)(mpko)2]n (9) are the first MOFs based on a 2-pyridyl oxime with 9 possessing a novel 3,4,5,8-c net topology. [Zn2(pma)(H2pyaox)2]n (2), [Cu2(pma)(H2pyaox)2(DMF)2]n (6), and [Cu2(pma)(Hmpko)2(DMF)2]n (8) join a small family of coordination polymers containing an oximic ligand. 9 exhibits selectivity for FeIII ions adsorption, as was demonstrated by a variety of techniques including UV-vis, EDX, and magnetism. DC magnetic susceptibility studies in 9 revealed the presence of strong antiferromagnetic interactions between the metal centers, which lead to a diamagnetic ground state; it was also found that the magnetic properties of 9 are affected by the amount of the encapsulated Fe3+ ions, which is a very desirable property for the development of magnetism-based sensors.
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Affiliation(s)
- Ioannis Mylonas-Margaritis
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, SSPC, Synthesis and Solid State Pharmaceutical Centre, University Road, Galway H91 TK33, Ireland; (I.M.-M.); (A.G.); (P.M.)
| | - Auban Gérard
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, SSPC, Synthesis and Solid State Pharmaceutical Centre, University Road, Galway H91 TK33, Ireland; (I.M.-M.); (A.G.); (P.M.)
| | - Katerina Skordi
- Department of Chemistry, University of Cyprus, 1678 Nicosia, Cyprus; (K.S.); (A.T.)
| | - Julia Mayans
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltran 2, 46980 Paterna (Valencia), Spain;
| | | | - Patrick McArdle
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, SSPC, Synthesis and Solid State Pharmaceutical Centre, University Road, Galway H91 TK33, Ireland; (I.M.-M.); (A.G.); (P.M.)
| | - Constantina Papatriantafyllopoulou
- School of Chemistry, College of Science and Engineering, National University of Ireland Galway, SSPC, Synthesis and Solid State Pharmaceutical Centre, University Road, Galway H91 TK33, Ireland; (I.M.-M.); (A.G.); (P.M.)
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Krishnamurthy A, Adebayo B, Gelles T, Rownaghi A, Rezaei F. Abatement of gaseous volatile organic compounds: A process perspective. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.05.069] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Abstract
This review focuses on the use of metal–organic frameworks (MOFs) for adsorbing gas species that are known to weaken the thermal self-regulation capacities of Earth’s atmosphere. A large section is dedicated to the adsorption of carbon dioxide, while another section is dedicated to the adsorption of other different gas typologies, whose emissions, for various reasons, represent a “wound” for Earth’s atmosphere. High emphasis is given to MOFs that have moved enough ahead in their development process to be currently considered as potentially usable in “real-world” (i.e., out-of-lab) adsorption processes. As a result, there is strong evidence of a wide gap between laboratory results and the industrial implementation of MOF-based adsorbents. Indeed, when a MOF that performs well in a specific process is commercially available in large quantities, economic observations still make designers tend toward more traditional adsorbents. Moreover, there are cases in which a specific MOF remarkably outperforms the currently employed adsorbents, but it is not industrially produced, thus strongly limiting its possibilities in large-scale use. To overcome such limitations, it is hoped that the chemical industry will be able to provide more and more mass-produced MOFs at increasingly competitive costs in the future.
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Vikrant K, Kim KH, Kumar S, Boukhvalov DW. Metal-Organic Frameworks for the Adsorptive Removal of Gaseous Aliphatic Ketones. ACS APPLIED MATERIALS & INTERFACES 2020; 12:10317-10331. [PMID: 32041396 DOI: 10.1021/acsami.9b20375] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Recent research endeavors have established metal-organic frameworks (MOFs) as suitable platforms for the adsorptive removal of various environmental pollutants. In this regard, the sorptive performances of four MOFs (MOF-199, UiO-66, UiO-66-NH2, and Co-CUK-1) were investigated against two gaseous aliphatic ketones (methyl ethyl ketone (MEK) and methyl isobutyl ketone (MiBK)) at a low partial pressure (0.1 Pa). Activated carbon was utilized as a reference commercial sorbent. The 10% breakthrough volume (BTV10) values for MEK decreased in the following order: MOF-199 (4772 L atm g-1) > activated carbon (224 L atm g-1) > UiO-66-NH2 (106 L atm g-1) > UiO-66 (53 L atm g-1) > Co-CUK-1 (16 L atm g-1). In case of MiBK, the relative ordering in BTV10 was consistently maintained while showing noticeable increases in its magnitude: MOF-199 (7659 L atm g-1) > activated carbon (816 L atm g-1) > UiO-66-NH2 (304 L atm g-1) > UiO-66 (150 L atm g-1) > Co-CUK-1 (31 L atm g-1). The superiority of MOF-199 was confirmed toward the adsorptive removal of gaseous aliphatic ketones. For a binary mixture of ketones, the BTV10 values of MOF-199 were reduced considerably for MEK and MiBK (in comparison to single component sorption) such as 1579 and 3969 L atm g-1, respectively, reflecting competitive inhibition of the adsorption process. Theoretical simulations based on density functional theory (DFT) elucidated the involvement of highly favorable coordination between the carbonyl group present in ketone molecules and the uncoordinated Cu(II) sites in the MOF-199 structure (Lewis acidic centers). Interestingly, MOF-199 maintained appreciable performance toward the mixture of ketones up to 5 cycles to support its practical merit.
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Affiliation(s)
- Kumar Vikrant
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Sandeep Kumar
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science & Technology, Hisar 125001, India
| | - Danil W Boukhvalov
- Institute of Materials Physics and Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, China
- Theoretical Physics and Applied Mathematics Department, Ural Federal University, Mira Street 19, 620002 Yekaterinburg, Russia
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Kolodzeiski E, Amirjalayer S. Atomistic Insight Into the Host-Guest Interaction of a Photoresponsive Metal-Organic Framework. Chemistry 2020; 26:1263-1268. [PMID: 31802550 PMCID: PMC7027908 DOI: 10.1002/chem.201905139] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 11/27/2019] [Indexed: 12/30/2022]
Abstract
Photoresponsive functional materials have gained increasing attention due to their externally tunable properties. Molecular switches embedded in these materials enable the control of phenomena at the atomic level by light. Metal-organic frameworks (MOFs) provide a versatile platform to immobilize these photoresponsive units within defined molecular environments to optimize the intended functionality. For the application of these photoresponsive MOFs (pho-MOFs), it is crucial to understand the influence of the switching state on the host-guest interaction. Therefore, we present a detailed insight into the impact of molecular switching on the intermolecular interactions. By performing atomistic simulations, we revealed that due to different interactions of the guest molecules with the two isomeric states of an azobenzene-functionalized MOF, both the adsorption sites and the orientation of the molecules within the pores are modulated. By shedding light on the host-guest interaction, our study highlights the unique potential of pho-MOFs to tailor molecular interaction by light.
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Affiliation(s)
- Elena Kolodzeiski
- Physikalisches InstitutWestfälische Wilhelms-Universität MünsterWillhelm-Klemm-Strasse 1048149MünsterGermany
- Center for Nanotechnology (CeNTech) and Center for Multiscale Theory and Computation (CMTC)Heisenbergstrasse 1148149MünsterGermany
| | - Saeed Amirjalayer
- Physikalisches InstitutWestfälische Wilhelms-Universität MünsterWillhelm-Klemm-Strasse 1048149MünsterGermany
- Center for Nanotechnology (CeNTech) and Center for Multiscale Theory and Computation (CMTC)Heisenbergstrasse 1148149MünsterGermany
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40
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Sun X, Gu X, Xu W, Chen WJ, Xia Q, Pan X, Zhao X, Li Y, Wu QH. Novel Hierarchical Fe(III)-Doped Cu-MOFs With Enhanced Adsorption of Benzene Vapor. Front Chem 2019; 7:652. [PMID: 31612128 PMCID: PMC6776884 DOI: 10.3389/fchem.2019.00652] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 09/11/2019] [Indexed: 11/13/2022] Open
Abstract
New hierarchical Fe(III)-doped Cu-MOFs (Fe-HK) were developed via introduction of Fe3+ ions during HKUST-1 synthesis. The obtained products were characterized by N2 adsorption, X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, FTIR spectroscopy, and thermal analysis. The adsorption isotherms and kinetics of benzene vapor were measured and consecutive adsorption–desorption cycles were performed. It was found that the hierarchical-pore Fe-HK-2 exhibited optimal textural properties with high BET surface area of 1,707 m2/g and total pore volume of 0.93 cm3/g, which were higher than those of the unmodified HKUST-1. Significantly, the hierarchical-pore Fe-HK-2 possessed outstanding benzene adsorption capacity, which was 1.5 times greater than the value on HKUST-1. Benzene diffusivity of Fe-HK-2 was 1.7 times faster than that of parent HKUST-1. Furthermore, the benzene adsorption on Fe-HK-2 was highly reversible. The hierarchical-pore Fe-HK-2 with high porosity, outstanding adsorption capacity, enhanced diffusion rate, and excellent reversibility might be an attractive candidate for VOCs adsorption. This may offer a simple and effective strategy to synthesize hierarchical-pore MOFs by doping with other metal ions.
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Affiliation(s)
- Xuejiao Sun
- School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, China
| | - Xiulian Gu
- School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, China
| | - Wentao Xu
- School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, China
| | - Wen-Jie Chen
- School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, China
| | - Qibin Xia
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
| | - Xiaoyang Pan
- School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, China
| | - Xiaojing Zhao
- School of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, China
| | - Yi Li
- Jiangsu Key Laboratory of Advanced Functional Polymer Designand Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, China
| | - Qi-Hui Wu
- College of Mechanical and Energy Engineering, Jimei University, Xiamen, China
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Gallaba DH, Migone AD. Thermodynamic evidence of a transition in ZIF-8 upon CH 4 sorption. Phys Chem Chem Phys 2019; 21:16252-16257. [PMID: 31304492 DOI: 10.1039/c9cp01944h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
We present the results of an experimental study of methane sorption in ZIF-8. We measured isotherms at five different temperatures between 87 K and 107 K. We have observed three sub-steps in each of the isotherms. The intermediate sub-step had not been observed experimentally in previous studies of this system. This newly determined experimental feature suggests that a transition is taking place in the sorbed system (this newly observed sub-step occurs over a loading interval where published computer simulation results for CH4 in ZIF-8 had identified a structural transition occurring in the sorbent). We have studied the kinetics of adsorption for this system (we measure the time required for the system to reach equilibrium after gas is added to the experimental cell as a function of sorbent loading). We observed a sharp peak in the equilibration time at high loadings, below saturation. We have explored the isosteric heat of adsorption, and its dependence on sorbent loading, for this system. We found a broad peak in the isosteric heat at loadings corresponding to the intermediate isotherm sub-step. Previously reported computer simulations for the isosteric heat dependence on loading for CH4 in ZIF-8 are in good agreement with our experimental results for this quantity.
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Affiliation(s)
- Dinuka H Gallaba
- Department of Physics, Southern Illinois University, Carbondale, IL 62901, USA.
| | - Aldo D Migone
- Department of Physics, Southern Illinois University, Carbondale, IL 62901, USA.
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Barpaga D, Nguyen VT, Medasani BK, Chatterjee S, McGrail BP, Motkuri RK, Dang LX. Insight into Fluorocarbon Adsorption in Metal-Organic Frameworks via Experiments and Molecular Simulations. Sci Rep 2019; 9:10289. [PMID: 31311953 PMCID: PMC6635433 DOI: 10.1038/s41598-019-46269-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 05/10/2019] [Indexed: 02/02/2023] Open
Abstract
The improvement in adsorption/desorption of hydrofluorocarbons has implications for many heat transformation applications such as cooling, refrigeration, heat pumps, power generation, etc. The lack of chlorine in hydrofluorocarbons minimizes the lasting environmental damage to the ozone, with R134a (1,1,1,2-tetrafluoroethane) being used as the primary industrial alternative to commonly used Freon-12. The efficacy of novel adsorbents used in conjunction with R134a requires a deeper understanding of the host-guest chemical interaction. Metal-organic frameworks (MOFs) represent a newer class of adsorbent materials with significant industrial potential given their high surface area, porosity, stability, and tunability. In this work, we studied two benchmark MOFs, a microporous Ni-MOF-74 and mesoporous Cr-MIL-101. We employed a combined experimental and simulation approach to study the adsorption of R134a to better understand host-guest interactions using equilibrium isotherms, enthalpy of adsorption, Henry’s coefficients, and radial distribution functions. The overall uptake was shown to be exceptionally high for Cr-MIL-101, >140 wt% near saturation while >50 wt% at very low partial pressures. For both MOFs, simulation data suggest that metal sites provide preferable adsorption sites for fluorocarbon based on favorable C-F ··· M+ interactions between negatively charged fluorine atoms of R134a and positively charged metal atoms of the MOF framework.
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Affiliation(s)
- Dushyant Barpaga
- Energy and Environment Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA
| | - Van T Nguyen
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA
| | - Bharat K Medasani
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA
| | - Sayandev Chatterjee
- Energy and Environment Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA
| | - B Peter McGrail
- Energy and Environment Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA
| | - Radha Kishan Motkuri
- Energy and Environment Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA.
| | - Liem X Dang
- Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA, 99352, USA.
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Ghasemi N, Rohani S. Optimization of cyanide removal from wastewaters using a new nano-adsorbent containing ZnO nanoparticles and MOF/Cu and evaluating its efficacy and prediction of experimental results with artificial neural networks. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.04.085] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Khan A, Szulejko JE, Samaddar P, Kim KH, Eom W, Ambade SB, Han TH. The effect of diverse metal oxides in graphene composites on the adsorption isotherm of gaseous benzene. ENVIRONMENTAL RESEARCH 2019; 172:367-374. [PMID: 30825687 DOI: 10.1016/j.envres.2019.01.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 01/08/2019] [Accepted: 01/29/2019] [Indexed: 06/09/2023]
Abstract
The effective removal technique is necessary for the real world treatment of a hazardous pollutant (e.g., gaseous benzene). In an effort to develop such technique, the adsorption efficiency of benzene in a nitrogen stream (5 Pa (50 ppm) at 50 mL atm min-1 flow rate and 298 K) was assessed against 10 different metal oxide/GO composite materials (i.e., 1: graphene oxide Co (GO-Co (OH)2), 2: graphene oxide Cu (GO-Cu(OH)2), 3: graphene oxide Mn (GO-MnO), 4: graphene oxide Ni (GO-Ni(OH)2), 5: graphene oxide Sn (GO-SnO2), 6: reduced graphene oxide Co (rGO-Co(OH)2), 7: reduced graphene oxide Cu (rGO-Cu(OH)2), 8: reduced graphene oxide Mn (rGO-MnO), 9: reduced graphene oxide Ni (rGO-Ni(OH)2), and 10: reduced graphene oxide Sn (rGO-SnO2)) in reference to their pristine forms of graphene oxide (GO) and reduced graphene oxide (rGO). The highest adsorption capacities (at 100% breakthrough) were observed as ~23 mg g-1 for both GO-Ni(OH)2 and rGO-SnO2, followed by GO (~19.1 mg g-1) and GO-Co(OH)2 (~18.8 mg g-1). Therefore, the GO-Ni(OH)2 and rGO-SnO2 composites exhibited considerably high capacities to treat streams containing >5 Pa of benzene. However, the lowest adsorption capacity was found for GO-MnO (0.05 mg g-1). Alternately, if expressed in terms of the 10% breakthrough volume (BTV), the five aforementioned materials showed values of 0.50, 0.46, 0.40, 0.44, and 0.39 L g-1, respectively. The experimental data of target sorbents were fitted to linearized Langmuir, Freundlich, Elovich, and Dubinin-Radushkevich isotherm models. Accordingly, the non-linear Langmuir isotherm model revealed the presence of two or more distinct sorption profiles for several of the tested sorbents. Most of the sorbents showed type-III isotherm profiles where the sorption capacity proportional to the loaded volume.
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Affiliation(s)
- Azmatullah Khan
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Jan E Szulejko
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Pallabi Samaddar
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Wonsik Eom
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Swapnil B Ambade
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea; The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Republic of Korea
| | - Tae Hee Han
- Department of Organic and Nano Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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Chen H, Mo J, Xiao R, Tian E. Gaseous formaldehyde removal: A laminated plate fabricated with activated carbon, polyimide, and copper foil with adjustable surface temperature and capable of in situ thermal regeneration. INDOOR AIR 2019; 29:469-476. [PMID: 30666725 DOI: 10.1111/ina.12540] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/15/2018] [Accepted: 01/17/2019] [Indexed: 06/09/2023]
Abstract
Formaldehyde is one of the most common indoor air pollutants in Chinese residences. This study introduces a novel laminated plate with adjustable surface temperature to remove gaseous formaldehyde. The plate is fabricated with activated carbon, polyimide, and copper foil via thermal compression. The plate can be regenerated in situ by applying a direct current to the copper foil. Adsorption-regeneration cycle tests were conducted to evaluate the plate's formaldehyde removal performance. The overall removal efficiency of the fabricated laminated plate with glue mass fraction of 25% and thickness of 1.5 mm was about 30% at the face velocity of 0.8-1.2 m/s. The pressure drop was about 5 Pa. Its removal ability can be regenerated in situ in 8 minutes by increasing the surface temperature to 80°C. The fabricated laminated plate showed good durability after 52 cycles of adsorption-regeneration tests. The results indicate that the proposed laminated plate can enhance the purifying efficiency and enlarge the life span of ordinary, cheap sorbents. It makes cheap materials with low performance suitable for air purification.
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Affiliation(s)
- Hongyin Chen
- Department of Building Science, Tsinghua University, Beijing, China
- Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China
| | - Jinhan Mo
- Department of Building Science, Tsinghua University, Beijing, China
- Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China
| | - Ru Xiao
- Department of Building Science, Tsinghua University, Beijing, China
- Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China
| | - Enze Tian
- Department of Building Science, Tsinghua University, Beijing, China
- Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China
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Szulejko JE, Kim KH, Parise J. Seeking the most powerful and practical real-world sorbents for gaseous benzene as a representative volatile organic compound based on performance metrics. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.11.001] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Sundriyal S, Shrivastav V, Sharma M, Mishra S, Deep A. Redox Additive Electrolyte Study of Mn–MOF Electrode for Supercapacitor Applications. ChemistrySelect 2019. [DOI: 10.1002/slct.201900305] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shashank Sundriyal
- Academy of Scientific and Innovative Research (AcSIR-CSIO) Chandigarh 160030 India
- CSIR-Central Scientific Instrument Organisation (CSIR-CSIO) Chandigarh 160030 India
| | - Vishal Shrivastav
- Academy of Scientific and Innovative Research (AcSIR-CSIO) Chandigarh 160030 India
- CSIR-Central Scientific Instrument Organisation (CSIR-CSIO) Chandigarh 160030 India
| | - Meenu Sharma
- Department of PhysicsNational Institute of Technology Kurukshetra, Haryana India
| | - Sunita Mishra
- Academy of Scientific and Innovative Research (AcSIR-CSIO) Chandigarh 160030 India
- CSIR-Central Scientific Instrument Organisation (CSIR-CSIO) Chandigarh 160030 India
| | - Akash Deep
- Academy of Scientific and Innovative Research (AcSIR-CSIO) Chandigarh 160030 India
- CSIR-Central Scientific Instrument Organisation (CSIR-CSIO) Chandigarh 160030 India
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48
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Vellingiri K, Boukhvalov DW, Kim KH, Philip L. Validation of ‘lock-and-key’ mechanism of a metal–organic framework in selective sensing of triethylamine. RSC Adv 2019; 9:7818-7825. [PMID: 35521163 PMCID: PMC9061581 DOI: 10.1039/c8ra10637a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 03/04/2019] [Indexed: 11/21/2022] Open
Abstract
To develop the metal–organic framework (MOF)-based sensing of triethylamine (TEA) in an aqueous phase, Al-MIL-101-NH2 (MIL: Material Institute Lavoisier) with a tripod-like cavity was utilized based on a lock-and-key model. Al-MIL-101-NH2 (Al-MOF) was found to be an excellent fluorescent sensor for the TEA molecules in the range of 0.05–0.99 mM. The limit of detection (LOD) and linear calibration range of this probe towards TEA were found to be 3 μM and 0.05–0.40 mM, respectively. The mechanism of the sensing process indicates the dominant role of physical processes (e.g., non-covalent bond interactions). In addition, the exact fit of the TEA molecule (6.5 Å) in the tripod-like cavity (6.78 Å) supported the strong interaction between three ethyl groups (TEA) and aromatic rings (MOF). This kind of specific suitability between size/shape of the TEA and tripod-like cavity of MOF (ΔG: −46.7 kJ mol−1) was not found in other molecules such as ethylamine (ΔG: −2.20 kJ mol−1 and size: 3.7 Å), formaldehyde (ΔG: +1.50 kJ mol−1 and size: 2.8 Å), and ammonia (ΔG: +0.71 kJ mol−1 and size: 1.6 Å). As such, Al-MOF was found to be a selective and stable sensor for TEA. To develop the metal–organic framework (MOF)-based sensing of triethylamine (TEA) in an aqueous phase, Al-MIL-101-NH2 (MIL: Material Institute Lavoisier) with a tripod-like cavity was utilized based on a lock-and-key model.![]()
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Affiliation(s)
- Kowsalya Vellingiri
- Environmental and Water Resources Engineering Division
- Department of Civil Engineering
- IIT Madras
- Chennai 600 036
- India
| | - Danil W. Boukhvalov
- College of Science
- Institute of Materials Physics and Chemistry
- Nanjing Forestry University
- Nanjing 210037
- P. R. China
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering
- Hanyang University
- Seoul 04763
- Korea
| | - Ligy Philip
- Environmental and Water Resources Engineering Division
- Department of Civil Engineering
- IIT Madras
- Chennai 600 036
- India
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Kundu T, Manna K, Jana AK, Natarajan S. A luminescent inorganic–organic hybrid, [Cd(C16H10N2O8S)(H2O)], for the selective and recyclable detection of chromates and dichromates in aqueous solution. NEW J CHEM 2019. [DOI: 10.1039/c9nj03224j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A three-dimensional inorganic–organic hybrid [Cd(H2L)(H2O)], was shown to exhibit good catalytic activity as well as to detect highly toxic chromate and dichromate anions in aqueous medium with good selectivity.
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Affiliation(s)
- Tanaya Kundu
- Framework Solids Laboratory
- Solid State and Structural Chemistry Laboratory
- Indian Institute of Science
- Bangalore 560 012
- India
| | - Krishna Manna
- Framework Solids Laboratory
- Solid State and Structural Chemistry Laboratory
- Indian Institute of Science
- Bangalore 560 012
- India
| | - Ajay K. Jana
- Framework Solids Laboratory
- Solid State and Structural Chemistry Laboratory
- Indian Institute of Science
- Bangalore 560 012
- India
| | - Srinivasan Natarajan
- Framework Solids Laboratory
- Solid State and Structural Chemistry Laboratory
- Indian Institute of Science
- Bangalore 560 012
- India
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Khan A, Szulejko JE, Kim KH, Sammadar P, Lee SS, Yang X, Ok YS. A comparison of figure of merit (FOM) for various materials in adsorptive removal of benzene under ambient temperature and pressure. ENVIRONMENTAL RESEARCH 2019; 168:96-108. [PMID: 30296641 DOI: 10.1016/j.envres.2018.09.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 09/09/2018] [Accepted: 09/16/2018] [Indexed: 06/08/2023]
Abstract
To effectively remove gaseous pollutants from air using sorbents, a thorough knowledge of the actual sorption performance is needed at ambient conditions rather than at unrealistically high-pressure conditions, as is commonly presented in the literature. To this end, the sorbent capacities of gaseous benzene were evaluated at a constant sorbent bed inlet pressure (50 ppm or ~5 Pa) in 1 atm of N2, room temperature (298 K), a fixed flow rate (50 mL min-1), and equal outlet sampling intervals (5 min). The benzene adsorption patterns were investigated against six sorbent types in a total of 17 different forms: 1- zeolite in five forms: beads (ZB), ground to 212 µm (ZG212), beads ground to 300 µm (ZG300), coarsely ground/washed zeolite (ZWc), and coarsely ground/washed/thermally treated zeolite (ZTc), 2- activated carbon in two forms: 212 µm (ACd212) and granular (ACdg), 3- Carbopack-X (CX), 4- Tenax TA (TA), 5- used black tea leaves of 150 or 300 µm in three forms: dry (TD150/TD300), wet (TW150/TW300), and wet dust (TWd), and 6- used ground coffee in either dry (CD) or wet forms (CW). Accordingly, the largest adsorption capacities at 5 Pa (e.g., >10 mg g-1) were observed for ACd212 (79.1) and ACdg (73.6). Moderate values (e.g., 5 < < 10 mg g-1) were obtained for ZG212 (7.98), CX (6.79), ZG300 (5.70), and ZB (5.58), while the remainder were far lower at < 5 mg g-1 (e.g., tea leaves, ground coffee, TA, ZWc, and ZTc). The experimental benzene capacities of the tested sorbents were further assessed by the Langmuir, Henry's law, Freundlich, Dubinin-Radushkevich, and Elovich isotherm models. The linearized Langmuir adsorption isotherms of ACd212, ACdg, and CX showed the presence of more than one adsorption site (i.e., retrograde at the lowest pressures and two others at higher pressures). However, TA, zeolite, tea leaves, and ground coffee exhibited a type-V isotherm, wherein the sorption capacity continued to increase with loaded volume (i.e., multilayer adsorption). Thus, ACd212 has the best figure-of-merit based on a high 10% breakthrough volume (BTV) and low cost for real-world applications.
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Affiliation(s)
- Azmatullah Khan
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Jan E Szulejko
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Pallabi Sammadar
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Sang Soo Lee
- Department of Environmental Engineering, Yonsei University, Wonju 26493, Republic of Korea
| | - Xiao Yang
- Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Yong Sik Ok
- Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
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