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Damiri Z, Jafari S, Yousefinejad S, Kazemian H. Enhanced adsorption of toluene on thermally activated ZIF-67: Characterization, performance, and modeling insights. Heliyon 2024; 10:e30745. [PMID: 38765099 PMCID: PMC11098846 DOI: 10.1016/j.heliyon.2024.e30745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/25/2024] [Accepted: 05/03/2024] [Indexed: 05/21/2024] Open
Abstract
The zeolitic imidazolate framework-67 (ZIF-67) has been explored for the dynamic adsorption of toluene vapor. We synthesized ZIF-67 through a straightforward room-temperature process and characterized it using XRD, FT-IR, DLS, and SEM techniques. The synthesized ZIF-67 possessed a Brunauer-Emmett-Teller (BET) surface area of 1578.7 m2/g and 0.76 μm particle size. Thermal activation under various conditions revealed that ZIF-67, activated in dry air at 250 °C, demonstrated optimal adsorption efficacy. Its adsorption capacity, time of breakthrough, and time of equilibration were 414.5 mg/g, 420 min, and 795 min, respectively. We investigated the impact of diverse operational parameters on adsorption through breakthrough curve analysis. An increase in the toluene concentration from 100 to 1000 ppm enhanced the adsorption capacity from 171 to 414 mg/g, while breakthrough time decreased from 1260 min to 462 min, respectively. Our findings show that increasing relative humidity from 0 to 70 % reduced 53.7 % in adsorption capacity and 46.3 % in breakthrough time. The competitive adsorption of toluene and ethylbenzene revealed that ZIF-67 had a higher selectivity for toluene adsorption. A 98 % adsorbent's regeneration efficiency at the first cycle reveals its reusability. The experimental data were successfully fitted to the Yan, Thomas, and Yoon-Nelson models to describe the adsorption process. The statistical validation of the model parameters confirms their reliability for estimating adsorption parameters, thus facilitating the design of fixed-bed adsorption columns for practical applications.
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Affiliation(s)
- Zabiholah Damiri
- Department of Occupational Health and Safety Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Jafari
- Department of Occupational Health and Safety Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Yousefinejad
- Department of Occupational Health and Safety Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Kazemian
- Materials Technology & Environmental Research (MATTER) Lab, University of Northern British Columbia, Prince George, BC, Canada
- Northern Analytical Lab Services (Northern BC's Environmental and Climate Solutions Innovation Hub), University of Northern British Columbia, Prince George, BC, Canada
- Environmental Sciences Program, Faculty of Environment, University of Northern British Columbia, Prince George, British Columbia, V2N4Z9, Canada
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Bi X, Song K, Pan YT, Barreneche C, Vahabi H, He J, Yang R. Hollow Superstructure In Situ Assembled by Single-Layer Janus Nanospheres toward Electromagnetic Shielding Flame-Retardant Polyurea Composites. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307492. [PMID: 37946679 DOI: 10.1002/smll.202307492] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/17/2023] [Indexed: 11/12/2023]
Abstract
A dodecahedral superstructure consisting of a single layer of Janus spheres containing ZIF-67 nanodots is prepared by in situ polymerization, with ZIF-67 and bio-based phytic acid (PA) as templates and dopants. It is used to improve the flame retardant, electromagnetic (EMI) shielding, and thermal conductivity properties of polyurea (PUA). By adding 5 wt% polyaniline@cobalt phytate-2.0 (PANI@Co-PA-2.0), the peak of heat release rate and the peak of smoke production rate are reduced by 54.9 and 59.9%, respectively. The peak of CO and CO2 production also decreased by 46.2 and 53.1%, respectively. A decrease in the absorption intensity of aliphatic and aromatic volatiles is also observed. The fire safety of PUA is greatly improved. In addition, PUA/PANI@Co-PA-2.0 exhibits an EMI shielding capability of 22.4 dB with the help of reduced graphene oxide, which confirms the possibility of PUA material application in the field of electromagnetic shielding. The 5 wt% filler increases the tensile strength of the PUA matrix to 6.3 MPa, and the composite material obtains good thermal conductivity. This work provides a viable method for the preparation of a flame-retardant, conductive, and electromagnetic refractory PUA substrate.
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Affiliation(s)
- Xue Bi
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
- Zhongyuan Research Center for Flame Retardant Materials, Beijing Institute of Technology, Xuchang, Henan, 461000, P. R. China
| | - Kunpeng Song
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Ye-Tang Pan
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Camila Barreneche
- Departament de Ciencia de Materials i Química Física, Seccio de Ciencia de Materials, Facultat de Química, Universitat de Barcelona, C/Martí I Franques 1-11, Barcelona, 08028, Spain
| | - Henri Vahabi
- Université de Lorraine, CentraleSupélec, LMOPS, Metz, F-57000, France
| | - Jiyu He
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Rongjie Yang
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
- Zhongyuan Research Center for Flame Retardant Materials, Beijing Institute of Technology, Xuchang, Henan, 461000, P. R. China
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Cao D, Wu W, Huang X, Liu L, Wei Q, Cao W. Dual-signal ratiometric electrochemical immunosensor constructed with snowflake-like FeSe 2-AuNPs and PAA-ZIF@TB for sensitive detection of CYFRA21-1. Talanta 2023; 260:124632. [PMID: 37149935 DOI: 10.1016/j.talanta.2023.124632] [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: 03/14/2023] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 05/09/2023]
Abstract
In this study, a ratiometric electrochemical immunosensor has been developed to detect the cytokeratin 19 fragment 21-1 (CYFRA21-1) biomarker in a highly sensitive manner through a dual-signal output model. As one of signal indicators, snowflake-like FeSe2 loaded with AuNPs (FeSe2-AuNPs) as sensing substrate with good conductivity and large active sites provides a differential pulse voltammetry (DPV) signal at +0.4 V. Another signal indicator, toluidine blue (TB) with the water-solubility property is an excellent redox probe that can generate DPV signal at -0.3 V. To solve the water-solubility problem, the TB is absorbed with polyacrylic acid (PAA) functionalized ZIF-67 (PAA-ZIF-67), which retains the properties of ZIF-67 that are large specific surface area and strong adsorption properties. The ratio of signals, stemmed from PAA-ZIF@TB and FeSe2-AuNPs (IPAA-ZIF@TB/IFeSe2-AuNPs), increases with the CYFRA21-1 concentration. Under optimal experimental conditions, CYFRA21-1 was detected in a wide dynamic range from 0.1 pg/mL to 100 ng/mL, with a lower limit of detection of 0.02 pg/mL. Looking ahead, this ratio based strategy provides prospective clinical applications for detecting other biomarkers.
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Affiliation(s)
- Dongmei Cao
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Wenrui Wu
- Qilu Pharmaceutical Co., LTD, Jinan 250105, PR China
| | - Xinyi Huang
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Lei Liu
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
| | - Qin Wei
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Wei Cao
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
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Luo J, Ding C, Gan Y, Guo Y, Cui Y, Sun C. A dual-MOFs (Fe and Co)/g-C3N4 heterostructure composite for high-efficiently activating peroxymonosulfate in degradation of sertraline in water. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Photocatalytic activity of Co3O4@C enhanced by induction of amorphous cobalt-based MOF. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Effect of heat treatment on sensing performance of ZIF-67@GO for the detection of copper ions. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Wan S, Xu O, Song H, Yang J, Zhu X. Imidazole ionic liquid functionalized ZIF-67 molecularly imprinted solid-phase extraction coupled with high performance liquid chromatography for analysis of bisphenol A. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1904-1912. [PMID: 35521687 DOI: 10.1039/d2ay00359g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
An effective method based on an imidazole ionic liquid functionalized ZIF-67 molecularly imprinted solid-phase extractant (ZIF-67@[Bmim][Br]@MIP) coupled with high performance liquid chromatography (HPLC) for the separation/analysis of bisphenol A (BPA) was established. ZIF-67@[Bmim][Br]@MIP was characterized by FTIR, XRD, SEM, TEM and BET. Several important factors, such as pH, amount of extractant, extraction time, and types of eluents were investigated in detail. Under the optimal conditions, the linear range of the method was 0.01-20.00 μg mL-1, the detection limit was 5.0 ng mL-1, and the linear correlation was good (R2 = 0.9994). The detection of BPA in mineral water bottles, milk cartons and milk tea cups proved that the method was simple and effective, and could be used to separate and analyze BPA in real samples.
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Affiliation(s)
- Shuyu Wan
- College of Chemistry and Chemical Engineering, College of Guangling, Yangzhou University, Yangzhou, 225002, China.
| | - Ouwen Xu
- College of Chemistry and Chemical Engineering, College of Guangling, Yangzhou University, Yangzhou, 225002, China.
| | - Hanyang Song
- College of Chemistry and Chemical Engineering, College of Guangling, Yangzhou University, Yangzhou, 225002, China.
| | - Jing Yang
- College of Chemistry and Chemical Engineering, College of Guangling, Yangzhou University, Yangzhou, 225002, China.
| | - Xiashi Zhu
- College of Chemistry and Chemical Engineering, College of Guangling, Yangzhou University, Yangzhou, 225002, China.
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Wang D, Li Y, Zhao Y, Ji D, Dong P, Li G. Study on the reaction strategy of directional alkylation fulfilled by controlling the adsorption pose of benzene and methanol in space with Ru/HZSM-5. BMC Chem 2021; 15:35. [PMID: 34020692 PMCID: PMC8140447 DOI: 10.1186/s13065-021-00761-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 05/06/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The alkylation of benzene with methanol is an important synthetic method that is widely used in various chemical production processes. However, obtaining a high selectivity for xylene and annihilating the MTO side reaction remain challenges. RESULTS In this work, a Ru/HZSM-5 catalyst was prepared using ZSM-5 as the precursor by a chemical precipitation method. Both XRD and TEM confirmed that Ru nanoparticles were evenly dispersed on the surface of the ZSM-5. The catalytic performance of benzene alkylation with methanol on the Ru/HZSM-5 catalyst was investigated. The results showed that the Ru/HZSM-5 catalyst could completely annihilate the MTO side reaction with a high conversion efficiency of benzene and selectivity for xylene, which resulted from the large gap between the transgression energy value of Ru and the ionization potential value of benzene, and the acidity of the catalyst changed greatly. CONCLUSION These findings may offer not only a new and efficient multifunctional catalyst for benzene alkylation but also fundamental insight into the catalytic mechanism of the Ru/HZSM-5 catalyst.
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Affiliation(s)
- Dongliang Wang
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Yanwei Li
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Yu Zhao
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Dong Ji
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Peng Dong
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China.
| | - Guixian Li
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China.
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Sun H, Ju C, Zhao Y, Wang C, Peng X, Wu Y. Preparation of SiO2@ZIF-67/CNTs and research on its adsorption performance at low-temperature. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125205] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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10
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N-doped carbon nanotube frameworks modified electrode for the selective sensing of hydroquinone and catechol. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.113968] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Hou B, Wu J. Halloysite nanotubes (HNTs)@ZIF-67 composites—a new type of heterogeneous catalyst for the Knoevenagel condensation reaction. Dalton Trans 2020; 49:17621-17628. [DOI: 10.1039/d0dt03345f] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Halloysite nanotubes (HNTs) are encapsulated in 50 nm thick shells of ZIF-67, producing novel nano-sized composites HNTs@ZIF-67.
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Affiliation(s)
- Buwei Hou
- Department of Chemistry
- College of Arts and Sciences
- Case Western Reserve University
- Cleveland
- USA
| | - Jie Wu
- Green Catalysis Center and College of Chemistry
- Zhengzhou University
- P. R. China
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Zhang W, Zhang L, Jiang X, Liu X, Li Y, Zhang Y. Enhanced adsorption removal of aflatoxin B1, zearalenone and deoxynivalenol from dairy cow rumen fluid by modified nano-montmorillonite and evaluation of its mechanism. Anim Feed Sci Technol 2020. [DOI: 10.1016/j.anifeedsci.2019.114366] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Wang Y, Wang Y, Zhang L, Liu CS, Pang H. Core–shell-type ZIF-8@ZIF-67@POM hybrids as efficient electrocatalysts for the oxygen evolution reaction. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00798a] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
ZIF-8@ZIF-67@POM hybrids were synthesized using a simple coprecipitation method, and they exhibit remarkable performance in OER, with the synergistic effect between POM and ZIF species, their regular architecture and their high surface area.
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Affiliation(s)
- Yan Wang
- School of Chemistry and Chemical Engineering
- Guangling College
- Yangzhou University
- Yangzhou
- P. R. China
| | - Yuyin Wang
- School of Chemistry and Chemical Engineering
- Guangling College
- Yangzhou University
- Yangzhou
- P. R. China
| | - Li Zhang
- School of Chemistry and Chemical Engineering
- Guangling College
- Yangzhou University
- Yangzhou
- P. R. China
| | - Chun-Sen Liu
- Henan Provincial Key Lab of Surface & Interface Science
- Zhengzhou University of Light Industry
- Zhengzhou
- China
| | - Huan Pang
- School of Chemistry and Chemical Engineering
- Guangling College
- Yangzhou University
- Yangzhou
- P. R. China
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