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Ilbeygi H, Jaafar J. Recent Progress on Functionalized Nanoporous Heteropoly Acids: From Synthesis to Applications. CHEM REC 2024; 24:e202400043. [PMID: 38874111 DOI: 10.1002/tcr.202400043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/18/2024] [Indexed: 06/15/2024]
Abstract
Functionalized nanoporous heteropoly acids (HPAs) have garnered significant attention in recent years due to their enhanced surface area and porosity, as well as their potential for low-cost regeneration compared to bulk materials. This review aims to provide an overview of the recent advancements in the synthesis and applications of functionalized HPAs. We begin by introducing the fundamental properties of HPAs and their unique structure, followed by a comprehensive overview of the various approaches employed for the synthesis of functionalized HPAs, including salts, anchoring onto supports, and implementing mesoporous silica sieves. The potential applications of functionalized HPAs in various fields are also discussed, highlighting their boosted performance in a wide range of applications. Finally, we address the current challenges and present future prospects in the development of functionalized HPAs, particularly in the context of mesoporous HPAs. This review aims to provide a comprehensive summary of the recent progress in the field, highlighting the significant advancements made in the synthesis and applications of functionalized HPAs.
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Affiliation(s)
- Hamid Ilbeygi
- Battery Research and Innovation Hub, Institute of Frontier Materials, Deakin University, Burwood, VIC 3125, Australia
- ARC Research Hub for Integrated Devices for End-user Analysis at Low-levels (IDEAL), Future Industries Institute, STEM, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Juhana Jaafar
- N29a, Advanced Membrane Technology Research Centre, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
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Chu L, Guo J, Wang Z, Yang H, Liu Z, Huang Z, Wang L, Yang M, Wang G. Modulator-assisted solvent-free synthesis of amorphous zirconium terephthalate catalyst for efficient oxidative desulfurization. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133886. [PMID: 38581107 DOI: 10.1016/j.jhazmat.2024.133886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 02/17/2024] [Accepted: 02/22/2024] [Indexed: 04/08/2024]
Abstract
Oxidative desulfurization (ODS) emerges as a critical player in enhancing efficient fuel desulfurization and promoting sustainable clean energy. Metal-organic frameworks (MOFs) show great potential as ODS catalysts because of their exceptional porosity and versatility. This study explores the use of amorphous metal-organic frameworks (aMOFs), which combine MOFs' structural advantages with unique properties of amorphous materials, to enhance catalytic efficiency in ODS. Traditional methods for synthesizing MOFs rely on solvent-thermal or solvent-free methods, each with limitations in environmental impact or scalability. To address this, we introduce a novel strategy utilizing a small quantity of benzoic acid (BA) modifier to facilitate the solvent-free, one-pot, mechanical synthesis of amorphous zirconium terephthalate (GU-2BA-3h). The resulting GU-2BA-3h demonstrates exceptional ODS performance, efficiently removing 1000 ppm of dibenzothiophene (DBT) in just 6 min at 60 °C. Amorphous GU-2BA-3h features an expanded external surface area, increased acidic sites, and exceptional stability, resulting in a high turnover frequency (19.6 h-1) and outstanding catalytic activity (53.2 mmol g-1 h-1), establishing it as a highly efficient ODS catalyst. This remarkable performance arises from the formation of dangling carboxyl groups and active metal sites due to the competitive coordination of benzoic acid with the linker. Experimental evidence confirms that these carboxyl groups and exposed Zr-OH sites interact with oxidants, generating hydroxyl radicals that effectively eliminate sulfur-containing compounds. Furthermore, the methodology exhibits universality in constructing amorphous Zr-based MOFs, and provides an eco-friendly, cost-effective route for efficient ODS catalyst production.
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Affiliation(s)
- Liang Chu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Junzhen Guo
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Zhaokun Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Haibin Yang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Zhaohui Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Zhi Huang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Liyan Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
| | - Mu Yang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
| | - Ge Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
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Sun X, Gu YF, Zhang XM, Shen Y, Wang DH, Zhang SM, Yu MH, Chang Z. A linker selective retention strategy to construct hierarchical porous metal-organic frameworks with high catalytic activity for oxidative desulfurization. Dalton Trans 2024; 53:6157-6161. [PMID: 38488126 DOI: 10.1039/d4dt00154k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
In order to improve the oxidative desulfurization (ODS) performance of MOF materials, an effective way is to convert a microporous MOF into a hierarchical porous MOF (HP-MOF) by utilizing the linker selective retention strategy. Herein, UiO-66 with the introduction of an unstable linker ligand (dihydro-1,2,4,5-tetrazine-3,6-dicarboxylate, dhtz) can selectively remove dhtz ligands to form HP-MOF (HP-UiO-66-dhtz) through heat treatment at high temperature. While maintaining the original structure of UiO-66, HP-UiO-66-dhtz features mesopores and abundant Lewis acid sites, showing excellent ODS performance for diphenylthiophene (DBT).
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Affiliation(s)
- Xiaowen Sun
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Yun-Feng Gu
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Xiao-Min Zhang
- College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yan Shen
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Dan-Hong Wang
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Shu-Ming Zhang
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
| | - Mei-Hui Yu
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Ze Chang
- School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.
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Hosseini A, Alavi SM, Bazyari A, Valaei A. Exploring the impact of competitive compounds and catalyst synthesis method in DBT oxidative desulfurization using MoO 3-V 2O 5/Al 2O 3 catalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:6332-6349. [PMID: 38147249 DOI: 10.1007/s11356-023-31580-8] [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: 09/20/2023] [Accepted: 12/12/2023] [Indexed: 12/27/2023]
Abstract
This research endeavors to address the pressing challenge of reducing sulfur content in fuels, an environmental imperative. It does so by employing bimetallic catalysts to enhance the efficiency of oxidative desulfurization (ODS) processes. This involves utilizing successive impregnation and co-impregnation methods to prepare a MoO3-V2O5/Al2O3. The catalysts underwent characterization using various techniques including X-ray diffraction (XRD), N2 adsorption-desorption, UV-vis (DRS), temperature-programmed desorption (NH3-TPD), Raman, Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), and energy dispersive spectrum (EDS). The catalyst was utilized for the evaluation of the ODS process of dibenzothiophene (DBT). The effects of oxidants, namely H2O2 and t-butyl hydroperoxide (TBHP), were studied in the ODS. The catalyst prepared using the co-impregnation method (5M-15V-co) demonstrated significant acidic sites and exhibited remarkable efficiency in oxidative desulfurization. Remarkably, this catalyst achieved 100% oxidation of sulfur components within 30 min (min). To assess the catalyst's performance further, competitive compounds including nitrogen-containing compounds (NCCs) and saturated and unsaturated hydrocarbon compounds (HCs) were employed in the ODS. Initially, the introduction of NCCs led to a decrease in the sulfur removal rate; however, the catalyst successfully oxidized DBT completely within 60 min. When cyclohexene was present as an olefinic hydrocarbon compound, the catalyst oxidized DBT by approximately 75%, whereas DBT oxidation reached 100% within 20 min when p-xylene was introduced to the catalytic reactor. Additionally, as the O/S ratio increased from 2/5 to 10, the sulfur removal rate improved from 30 to 90%, indicating that HCs and NCCs compete with sulfur in terms of oxidant consumption.
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Affiliation(s)
- Alireza Hosseini
- Catalyst and Nano Material Research Laboratory (CNMRL), School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Seyed Mehdi Alavi
- Catalyst and Nano Material Research Laboratory (CNMRL), School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran.
| | - Amin Bazyari
- Catalyst and Nano Material Research Laboratory (CNMRL), School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Akbar Valaei
- Catalyst and Nano Material Research Laboratory (CNMRL), School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
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Sadjadi S, Tarighi S, Delangiz M, Heravi M. Heteropolyacid supported on ionic liquid decorated hierarchical faujasite zeolite as an efficient catalyst for glycerol acetalization to solketal. Sci Rep 2023; 13:15703. [PMID: 37735246 PMCID: PMC10514292 DOI: 10.1038/s41598-023-42956-8] [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: 05/12/2023] [Accepted: 09/16/2023] [Indexed: 09/23/2023] Open
Abstract
To handle huge amount of glycerol produced in biodiesel industry, glycerol is transformed to value-added products. In this regard, glycerol acetalization to solketal is industrially attractive. As in this process various by-products can be formed, designing highly selective catalysts is of great importance. In this line, we wish to report a novel catalyst that benefits from strong acidity, high specific surface area and thermal stability, which can selectively form solketal in glycerol acetalization. To prepare the catalyst, hierarchical zeolite was prepared via a novel method, in which partially dealuminated NaY was treated with PluronicF-127 and then reacted with NH4NO3 to furnish the H-form zeolite. Hierarchical faujasite was then achieved through calcination and template removal. Subsequently, it was functionalized with ionic liquid and used for the immobilization of heteropolyacid. The results indicated the importance of the mesoprosity of zeolite and the presense of ionic liquid functionality for achiveing high solketal yield. Moreover, among three investigated heteropolyacids, phosphomolybdic acid exhibited the highest catalytic activity. In fact, using 10 wt% catalyst at 55 °C and glycerol to acetone molar ratio of 1:20, solketal with yield of 98% was furnished under solvent-less condition. Besides, the catalyst was recyclable with low leaching of heteropolyacid.
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Affiliation(s)
- Samahe Sadjadi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran, Iran.
| | - Sara Tarighi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran, Iran
| | - Motahareh Delangiz
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran, Iran
| | - Majid Heravi
- Department of Chemistry, School of Physic and Chemistry, Alzahra University, P.O. Box 1993891176, Vanak, Tehran, Iran
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Lu W, Dong J, Zhang D, Lei P, Chi Y, Hu C. Redox-switchable Pickering emulsion stabilized by hexaniobate-based ionic liquid for oxidation catalysis. Dalton Trans 2023; 52:6677-6684. [PMID: 37128742 DOI: 10.1039/d3dt00973d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Pickering emulsions provide an efficient platform for interfacial catalysis, but product separation and catalyst recycling rely on time- and energy-consuming centrifugation or filtration. Herein, three hexaniobate-based ionic liquids, [CnMIM]Nb6 (n = 12, 14 and 16), have been successfully synthesized by self-assembly of hexaniobate (Nb6) with long alkyl chain-modified imidazole cations (CnMIM). Interestingly, the surface wettability of [C16MIM]Nb6 can be regulated by redox reactions, and the rapid switch between emulsification and demulsification can be achieved by alternately adding oxidant (H2O2) and reductant (Na2SO3) agents. Furthermore, studies suggest that the redox-responsive behavior is related to the reversible transformation between [C16MIM]Nb6 and peroxohexaniobate [C16MIM]Nb6-O2, which leads to the rearrangement of hydrophobic long chains on imidazole cations around hydrophilic Nb6. Moreover, [C16MIM]Nb6 can effectively catalyze oxidative desulfurization (conversion > 99%), and the separation of clean model oil and the recycling of the interfacial catalyst were realized in a facile route.
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Affiliation(s)
- Wei Lu
- Key Laboratory of Cluster Science Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China.
| | - Jing Dong
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, P. R. China.
| | - Di Zhang
- Key Laboratory of Cluster Science Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China.
| | - Peng Lei
- Key Laboratory of Cluster Science Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China.
| | - Yingnan Chi
- Key Laboratory of Cluster Science Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China.
| | - Changwen Hu
- Key Laboratory of Cluster Science Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China.
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Viana AM, Leonardes F, Corvo MC, Balula SS, Cunha-Silva L. Effective Combination of the Metal Centers in MOF-Based Materials toward Sustainable Oxidation Catalysts. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3133. [PMID: 37109968 PMCID: PMC10145539 DOI: 10.3390/ma16083133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 06/19/2023]
Abstract
A successful encapsulation of Keggin-type polyoxomolybdate (H3[PMo12O40], PMo12) into metal-organic framework (MOF) materials with an identical framework but distinct metal centers (ZIF-8 with Zn2+ and ZIF-67 with Co2+) was accomplished by a straightforward room-temperature procedure. The presence of Zn2+ in the composite material PMo12@ZIF-8 instead of Co2+ in PMo12@ZIF-67 caused a remarkable increase in the catalytic activity that achieved a total oxidative desulfurization of a multicomponent model diesel under moderate and friendly conditions (oxidant: H2O2 and solvent: ionic liquid, IL). Interestingly, the parent ZIF-8-based composite with the Keggin-type polyoxotungstate (H3[PW12O40], PW12), PW12@ZIF-8, did not show the relevant catalytic activity. The ZIF-type supports present an appropriate framework to accommodate active polyoxometalates (POMs) into their cavities without leaching, but the nature of the metallic center from the POM and the metal present in the ZIF framework were vital for the catalytic performance of the composite materials.
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Affiliation(s)
- Alexandre M. Viana
- LAQV-REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal; (A.M.V.); (F.L.)
| | - Francisca Leonardes
- LAQV-REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal; (A.M.V.); (F.L.)
| | - Marta C. Corvo
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Salete S. Balula
- LAQV-REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal; (A.M.V.); (F.L.)
| | - Luís Cunha-Silva
- LAQV-REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal; (A.M.V.); (F.L.)
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Efficient Diesel Desulfurization by Novel Amphiphilic Polyoxometalate-Based Hybrid Catalyst at Room Temperature. Molecules 2023; 28:molecules28062539. [PMID: 36985510 PMCID: PMC10054139 DOI: 10.3390/molecules28062539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023] Open
Abstract
Amphiphilic hybrid catalysts were prepared by modifying [SMo12O40]2− with tetrabutylammonium bromide (TBAB), 1-butyl-3-methylimidazole bromide (BMIMBr) and octadecyl trimethyl ammonium bromide (ODAB), respectively. The prepared catalysts were characterized by IR, XRD, SEM, TG and XPS. The desulfurization performance of the catalysts was investigated in model oil and actual diesel using hydrogen peroxide (H2O2) as an oxidant and acetonitrile as an extractant. All catalysts exhibited favorable activity for removing sulfur compounds at room temperature. Dibenzothiophene (DBT) can be nearly completely removed using SMo12O402−-organic catalysts within a short reaction time. For different sulfur compounds, the [TBA]2SMo12O40 catalyst showed a better removal effect than the [BMIM]2SMo12O40 and [ODA]2SMo12O40 catalyst. The [TBA]2SMo12O40 dissolved in extraction solvent could be reused up to five times in an oxidative desulfurization (ODS) cycle with no significant loss of activity. The [BMIM]2SMo12O40 performed as a heterogeneous catalyst able to be recycled from the ODS system and maintained excellent catalytic activity. The catalysts showed a positive desulfurization effect in real diesel treatment. Finally, we described the ODS desulfurization mechanism of DBT using SMo12O402−-organic hybrid catalysts. The amphiphilic hybrid catalyst cation captures DBT, while SMo12O402− reacts with the oxidant H2O2 to produce peroxy-active species. DBT can be oxidized to its sulfone by the action of peroxy-active species to achieve ODS desulfurization.
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Sadjadi S, Abedian-Dehaghani N, Heydari A, Heravi MM. Chitosan bead containing metal-organic framework encapsulated heteropolyacid as an efficient catalyst for cascade condensation reaction. Sci Rep 2023; 13:2797. [PMID: 36797436 PMCID: PMC9935902 DOI: 10.1038/s41598-023-29548-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 02/06/2023] [Indexed: 02/18/2023] Open
Abstract
Using cyclodextrin and chitosan that are bio-based compounds, a novel bi-functional catalytic composite is designed, in which metal-organic framework encapsulated phosphomolybdic acid was incorporated in a dual chitosan-cyclodextrin nanosponge bead. The composite was characterized via XRD, TGA, ICP, BET, NH3-TPD, FTIR, FE-SEM/EDS, elemental mapping analysis and its catalytic activity was examined in alcohol oxidation and cascade alcohol oxidation-Knoevenagel condensation reaction. It was found that the designed catalyst that possess both acidic feature and redox potential could promote both reactions in aqueous media at 55 °C and various substrates with different electronic features could tolerate the aforementioned reactions to furnish the products in 75-95% yield. Furthermore, the catalyst could be readily recovered and recycled for five runs with slight loss of the catalytic activity. Notably, in this composite the synergism between the components led to high catalytic activity, which was superior to each component. In fact, the amino groups on the chitosan served as catalysts, while cyclodextrin nanosponge mainly acted as a phase transfer agent. Moreover, measurement of phosphomolybdic acid leaching showed that its incorporation in metal-organic framework and bead structure could suppress its leaching, which is considered a drawback for this compound. Other merits of this bi-functional catalyst were its simplicity, use of bio-based compounds and true catalysis, which was proved via hot filtration.
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Affiliation(s)
- Samahe Sadjadi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran, Iran.
| | - Neda Abedian-Dehaghani
- grid.411354.60000 0001 0097 6984Department of Chemistry, School of Physics and Chemistry, Alzahra University, P.O. Box 1993891176, Vanak, Tehran, Iran
| | - Abolfazl Heydari
- grid.429924.00000 0001 0724 0339Polymer Institute of the Slovak Academy of Sciences, Dúbravská Cesta 9, 845 41 Bratislava, Slovakia
| | - Majid M. Heravi
- grid.411354.60000 0001 0097 6984Department of Chemistry, School of Physics and Chemistry, Alzahra University, P.O. Box 1993891176, Vanak, Tehran, Iran
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Ren Z, Yuan Q, Dai C, Zhu L. Experimental and Theoretical Density Functional Theory Approaches for Desulfurization of Dibenzothiophene from Diesel Fuel with Imidazole-Based Heteropolyacid Catalysts. ACS OMEGA 2023; 8:5593-5606. [PMID: 36816690 PMCID: PMC9933085 DOI: 10.1021/acsomega.2c06893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
Oxidative desulfurization (ODS) has been proved to be an efficient strategy for the removal of aromatic sulfur compounds from diesel oils, which are one of the main sources of air pollution. Heteropolyacid catalysts are highly active species for ODS, but the promotion of their catalytic activity and clarification of their catalytic mechanism remain an important issue. Herein, a series of novel imidazole-based heteropolyacid catalysts are prepared by a one-pot method for multiphase deep ODS of fuel with hydrogen peroxide as an oxidant. The experimental results show that the desulfurization performance of the prepared imidazole-based heteropolyacid catalysts is high up to 99.9% under mild conditions. The catalyst also possesses excellent recovery performance, and the desulfurization activity remains at 97.7% after being recycled seven times. Furthermore, density functional theory calculation is first employed to clarify the origin of the high desulfurization activity, and the results show that with the imidazole-based heteropolyacid (HPW-VIM) as the catalyst, the energy barrier is much lower than that with phosphotungstic acid (HPW) as the catalyst.
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Affiliation(s)
- Zhuoyi Ren
- College
of Chemistry and Chemical Engineering, Hainan
Normal University, Haikou571158, China
- Key
Laboratory of Water Pollution Treatment and Resource Reuse of Hainan
Province, Haikou571158, China
| | - Qibin Yuan
- College
of Chemistry and Chemical Engineering, Hainan
Normal University, Haikou571158, China
- Key
Laboratory of Water Pollution Treatment and Resource Reuse of Hainan
Province, Haikou571158, China
| | - Chunyan Dai
- College
of Chemistry and Chemical Engineering, Hainan
Normal University, Haikou571158, China
| | - Linhua Zhu
- College
of Chemistry and Chemical Engineering, Hainan
Normal University, Haikou571158, China
- Key
Laboratory of Water Pollution Treatment and Resource Reuse of Hainan
Province, Haikou571158, China
- Key
Laboratory of Functional Organic Polymers of Haikou, Haikou571158, China
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Mohammadi A, Kazemeini M, Sadjadi S. Synthesis and physicochemical evaluations of a novel MIL-101(Fe)-PMA-Biochar triple composite photocatalyst activated through visible-light and utilized toward degradation of organic pollutants: optimal operations and kinetics investigations. Photochem Photobiol Sci 2023:10.1007/s43630-023-00383-8. [PMID: 36763323 DOI: 10.1007/s43630-023-00383-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
A triple photocatalytic composite of biochar, metal-organic framework, and phosphomolybdic acid was prepared through hydrothermal treatment of iron (III) chloride hexahydrate, terephthalic acid, lavandulifolia-derived biochar, and phosphomolybdic acid. It was characterized and utilized for photodegradation of Rhodamine-B (RhB) dye under visible-light irradiation. Investigations of reaction variables confirmed that, the highest yield of 96.2% was achieved at ambient temperature using 0.07 g of catalyst at pH of 7, and a dye concentration of 10 ppm. Under these optimum conditions, Methyl Orange (MO) dye was also degraded to yield 93% removal. In addition, the kinetic and thermodynamic parameters for RhB were determined. It was revealed that the photodegradation of RhB followed a pseudo-first-order kinetics with no mass transfer limitations. A corresponding chemical mechanism for this process was also suggested. Adsorption isotherms were investigated for rate of adsorption as well as adsorption capacity of the catalyst under dark conditions. Notably, the catalyst could have been reused for five cycles with a loss of around 20% activity.
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Affiliation(s)
- Alireza Mohammadi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Mohammad Kazemeini
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran.
| | - Samahe Sadjadi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, Tehran, Iran.
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Heterogenous Carboxyl-Functionalized Bilayer Ionic Liquids/Polyoxometalate Catalysts for Extractant-Free Oxidative Desulfurization. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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13
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Liu Y, Zhou Z, Li Y, Qin J, Wang X, Lu C, Wu W. Efficient Removal of Dibenzothiophene (DBT) over WO3–Mo–Al Catalysts in the Extractive Catalytic Oxidative Desulfurization (ECODS) System. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2022. [DOI: 10.1134/s0036024422120329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Heteroployacid on the composite of boehmite and polyionic liquid as a catalyst for alcohol oxidation and tandem alcohol oxidation Knoevenagel condensation reactions. Sci Rep 2022; 12:16395. [PMID: 36180555 PMCID: PMC9525677 DOI: 10.1038/s41598-022-20699-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 09/16/2022] [Indexed: 11/18/2022] Open
Abstract
Using boehmite as an available and low-cost natural compound, a bi-functional catalytic composite is prepared through vinyl-functionalization of boehmite, followed by polymerization with the as-prepared bis-vinylimidazolium bromide ionic liquid and supporting of phosphotungstic acid. The catalyst was characterized via ICP, XRD, TGA, FTIR, SEM/EDS and elemental mapping analysis and applied for promoting alcohol oxidation reaction and one-pot tandem alcohol oxidation/Knoevenagel condensation reaction in aqueous media under mild reaction condition. The results indicated high catalytic activity of the catalyst for both reactions. This protocol showed high generality and aliphatic, aromatic and heterocyclic alcohols could be applied as substrates to furnish the corresponding products in high to excellent yields. Furthermore, hot filtration test confirmed true heterogeneous nature of the catalysis. The catalyst could also be recovered readily and reused for at least five runs of the reaction with low loss of the activity and phosphotungstic acid leaching upon each run.
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15
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Designing polyoxometalate based hybrid catalysts for efficient removal of hazardous sulfur from fuel via heterogeneous oxidative desulfurization. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.09.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Chen Y, An H, Chang S, Li Y, Xu T, Zhu Q, Luo H, Huang Y, Wei Y. Two pseudo-polymorphic porous POM-pillared MOFs for sulfide-sulfoxide transformation: Efficient synergistic effects of POM precursors, metal sites and microstructures. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107856] [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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17
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Riaz A, Saeed M, Munir M, Intisar A, Haider S, Tariq S, Hussain N, Kousar R, Bilal M. Development of reduced graphene oxide-supported novel hybrid nanomaterials (Bi 2WO 6@rGO and Cu-WO 4@rGO) for green and efficient oxidative desulfurization of model fuel oil for environmental depollution. ENVIRONMENTAL RESEARCH 2022; 212:113160. [PMID: 35351451 DOI: 10.1016/j.envres.2022.113160] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/04/2022] [Accepted: 03/20/2022] [Indexed: 06/14/2023]
Abstract
For the first time, two new kinds of inorganic-organic hybrid nanomaterials (Bi2WO6@rGO and Cu-WO4@rGO) were fabricated by simple hydrothermal treatment and employed for green and efficient oxidative desulfurization of real fuel. The characterization of newly synthesized nanocomposites was performed by SEM, EDX, P-XRD, FT-IR and TGA. SEM and XRD analyses revealed well decoration of dopants (Cu-WO4 and Bi-WO3) on the surface of rGO with a crystallite size of <50 nm. The catalytic activity of both nanocatalysts was examined for model (dibenzothiophene) and real fuel (kerosene and diesel) by oxidative desulfurization route. Experimental findings revealed a high efficiency of over 90% under optimal reaction conditions of 0.1 g catalyst, 1 mL of oxidant, and 100 mg/L after 120 min at 30 °C. The major factors affecting desulfurization efficiency (time, temperature, catalyst amount, dibenzothiophene (DBT) concentration and amount of oxidant) and kinetic studies were described. The DBT removal via oxidative desulfurization followed pseudo first-order kinetics with an activation energy of 14.57 and 16.91 kJ/mol for Cu-WO4@rGO and Bi2WO6@rGO, respectively. The prepared catalysts showed promising reusability for the ODS process up to 5 times with no significant decrease in efficiency. In conclusion, the findings confirm the robustness of newly prepared nanocomposite for efficient production of sulfur-free oil.
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Affiliation(s)
- Aqsa Riaz
- School of Chemistry, University of the Punjab, Lahore, 54590, Pakistan
| | - Muhammad Saeed
- School of Chemistry, University of the Punjab, Lahore, 54590, Pakistan
| | - Mamoona Munir
- Department of Biological Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Azeem Intisar
- School of Chemistry, University of the Punjab, Lahore, 54590, Pakistan.
| | - Sabah Haider
- School of Chemistry, University of the Punjab, Lahore, 54590, Pakistan
| | - Shahzaib Tariq
- Department of Chemistry and Chemical Engineering, Lahore University of Management Sciences (LUMS), Lahore, 54792, Pakistan
| | - Nazim Hussain
- Center for Applied Molecular Biology (CAMB), University of the Punjab, Lahore, Pakistan
| | - Rehana Kousar
- Department of Chemistry, Lahore College for Women University, Lahore, Pakistan
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China.
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Fernandes S, Flores D, Silva D, Santos-Vieira I, Mirante F, Granadeiro CM, Balula SS. Lindqvist@Nanoporous MOF-Based Catalyst for Effective Desulfurization of Fuels. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12162887. [PMID: 36014754 PMCID: PMC9414597 DOI: 10.3390/nano12162887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/05/2022] [Accepted: 08/10/2022] [Indexed: 05/14/2023]
Abstract
An effective and sustainable oxidative desulfurization process for treating a multicomponent model fuel was successfully developed using as a heterogeneous catalyst a composite material containing as an active center the europium Lindqvist [Eu(W5O18)2]9- (abbreviated as EuW10) encapsulated into the nanoporous ZIF-8 (zeolitic imidazolate framework) support. The EuW10@ZIF-8 composite was obtained through an impregnation procedure, and its successful preparation was confirmed by various characterization techniques (FT-IR, XRD, SEM/EDS, ICP-OES). The catalytic activity of the composite and the isolated EuW10 was evaluated in the desulfurization of a multicomponent model fuel containing dibenzothiophene derivatives (DBT, 4-MDBT and 4,6-DMDBT) with a total sulfur concentration of 1500 ppm. Oxidative desulfurization was performed using an ionic liquid as extraction solvent and aqueous hydrogen peroxide as oxidant. The catalytic results showed a remarkable desulfurization performance, with 99.5 and 94.7% sulfur removal in the first 180 min, for the homogeneous active center EuW10 and the heterogeneous EuW10@ZIF-8 catalysts, respectively. Furthermore, the stability of the nanocomposite catalyst was investigated by reusing and recycling processes. A superior retention of catalyst activity in consecutive desulfurization cycles was observed in the recycling studies when compared with the reusing experiments. Nevertheless, the nanostructure of ZIF-8 incorporating the active POM (polyoxometalate) was shown to be highly suitable for guaranteeing the absence of POM leaching, although structural modification was found for ZIF-8 after catalytic use that did not influenced catalytic performance.
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Affiliation(s)
- Simone Fernandes
- LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Daniela Flores
- LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Daniel Silva
- LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Isabel Santos-Vieira
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Fátima Mirante
- LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
- Correspondence: (F.M.); (C.M.G.); (S.S.B.)
| | - Carlos M. Granadeiro
- LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
- Correspondence: (F.M.); (C.M.G.); (S.S.B.)
| | - Salete S. Balula
- LAQV/REQUIMTE & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
- Correspondence: (F.M.); (C.M.G.); (S.S.B.)
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Zhang K, Chu F, Hu Y, Huang X, Zhao G, Wang G. Ce-doped MIL-125-NH2 coupled Ce4+/Ce3+ and Ti4+/Ti3+ redox mediators for thermo-enhanced photocatalytic oxidative desulfurization. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107766] [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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20
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Saghanezhad SJ, Vaccaro L, Zarei Ahmady A, Farsi R. Phosphotungstic acid-supported melamine–terephthalaldehyde covalent organic framework as a novel and reusable nanostructured catalyst in three-component synthesis of 2H-indazolo[2,1-b]phthalazine-trione derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04776-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Omar RA, Verma N. Review of Adsorptive Desulfurization of Liquid Fuels and Regeneration Attempts. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01426] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rishabh Anand Omar
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University, Lucknow 226024, India
| | - Nishith Verma
- Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
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22
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Jiang Z, Wang H, Shan L, Zheng R, Zhao X, Liao Z, Guo L. Preparation of Temperature-Controlled Heteropolyacid Ionic Liquids and Their Application for Synthesis of Diphenyl Carbonate. Catal Letters 2022. [DOI: 10.1007/s10562-022-04068-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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23
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Yahya RO. Magnetic Graphene Oxide/Carboxymethyl-Imidazolium-Grafted Chitosan Schiff Base Nanocomposite: A New PdNPs Support for Efficient Catalytic Reduction of Hazardous Nitroarenes. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02368-z] [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]
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24
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Effects of preparation method on the catalytic properties and deactivation behaviors of acidic cesium phosphomolybdate for the alkylation of toluene with benzyl alcohol. REACTION KINETICS MECHANISMS AND CATALYSIS 2022. [DOI: 10.1007/s11144-022-02227-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Lindqvist versus Keggin-Type Polyoxometalates as Catalysts for Effective Desulfurization of Fuels. Catalysts 2022. [DOI: 10.3390/catal12060581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
A correlation between polyoxotungstate structures and their catalytic performance for oxidative desulfurization processes was investigated. Bridged lanthanopolyoxometalates that incorporate identical metallic centers with Keggin- Eu[PW11O39]11− and Lindqvist-type [Eu(W5O18)2]9− structures were used as catalysts for the oxidation of the most representative refractory sulfur compounds. Both compounds were able to desulfurize a multicomponent model diesel under sustainable conditions, i.e., using ionic liquid as an extraction solvent and hydrogen peroxide as an oxidant. However, the Lindqvist catalyst appeared to achieve complete desulfurization faster than the Keggin catalyst while using a lesser amount of catalyst and oxidant. Furthermore, the reusable capacity of the Lindqvist-type [Eu(W5O18)2]9− was confirmed for consecutive oxidative desulfurization processes. The contribution of the lanthanide metallic center for the catalytic performance of these compounds was investigated by studying the analogous [TB(W5O18)2]9− compound. Identical desulfurization efficiency was obtained, even reusing this catalyst in consecutive reaction cycles. These results indicate that the active catalytic center of these compounds is probably related to the octahedral tungsten centers. However, a higher number of tungsten centers in the polyoxometalate structure did not result in higher catalytic activity.
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26
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Synergistic effect of -COOH and Zr(IV) with a short distance in Zr-MOFs for promoting utilization of H2O2 in oxidative desulfurization. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.04.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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27
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Sadjadi S, Tarighi S, Moussavi NS, Ahadi N. Heteropolyacid supported on the composite of bentonite and ionic liquid containing acidic polymer: A highly selective catalyst for glycerol acetalization to solketal. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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28
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Salmanzadeh Otaghsaraei S, Kazemeini M, Hasannia S, Ekramipooya A. Deep oxidative desulfurization via rGO-immobilized tin oxide nanocatalyst: Experimental and theoretical perspectives. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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29
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Ji H, Liu S, Shi H, Wang W. Phosphomolybdic acid-based sulfur-containing metal–organic framework as an efficient catalyst for dibenzothiophene oxidative desulfurization. J Sulphur Chem 2022. [DOI: 10.1080/17415993.2022.2039142] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Haifeng Ji
- School of Petroleum and Chemical Engineering, Jilin Institute of Chemical Technology, Jilin, People’s Republic of China
| | - Shuting Liu
- School of Petroleum and Chemical Engineering, Jilin Institute of Chemical Technology, Jilin, People’s Republic of China
| | - Hongfei Shi
- School of Petroleum and Chemical Engineering, Jilin Institute of Chemical Technology, Jilin, People’s Republic of China
| | - Weidong Wang
- School of Chemical Engineering and Resource Recycling, Wuzhou University, Wuzhou, People’s Republic of China
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30
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Bryzhin AA, Rostovshchikova TN, Maslakov KI, Lukiyanchuk IV, Vasilyeva MS, Ustinov AY, Gurevich SA, Yavsin DA, Tarkhanova IG. Advanced Methods for the Formation of Crust Catalysts for Oxidative Desulfurization. KINETICS AND CATALYSIS 2022. [DOI: 10.1134/s0023158421060033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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31
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Lian H, Gu Q, Shi S, Wang T, Zhang H. Pluronic F127-assisted partial decomposition of ammonium phosphomolybdate and its application as an efficient and recyclable catalyst for the alkylation of toluene with benzyl alcohol. NEW J CHEM 2022. [DOI: 10.1039/d2nj00679k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The thermal decomposition of ammonium phosphomolybdate was adjusted by F127 to obtain an efficient and recyclable catalyst for liquid-phase alkylation.
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Affiliation(s)
- Huabin Lian
- School of Chemistry and Chemical Engineering, Qufu Normal University, Shandong 273165, China
| | - Qiangmin Gu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Shandong 273165, China
| | - Shumei Shi
- School of Chemistry and Chemical Engineering, Qufu Normal University, Shandong 273165, China
| | - Tingting Wang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Shandong 273165, China
| | - Heng Zhang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Shandong 273165, China
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32
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Yuan Q, Wu F, Xu H, Wang X, Luo J, Song Y, Guo Y, Wei X. Preparation of magnetic urchin-like NiCo 2O 4 powders by hydrothermal synthesis for catalytic oxidative desulfurization. RSC Adv 2022; 12:32659-32666. [DOI: 10.1039/d2ra04972d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022] Open
Abstract
The bundle-like NiCo2O4 powder was synthesized using hydrothermal synthesis and high-temperature calcination method and, as catalyst, NiCo2O4 powder was utilized to activate peroxymonosulfate for removing dibenzothiophene from fuel oil.
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Affiliation(s)
- Qinlin Yuan
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
| | - Fengmin Wu
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
| | - Hang Xu
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
- Provincial and Ministerial Co-Construction of Collaborative Innovation Center for Non-Ferrous Metal New Materials and Advanced Processing Technology, Luoyang 471023, China
| | - Xiaowei Wang
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
| | - Jie Luo
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yakun Song
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yafei Guo
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
| | - Xuefeng Wei
- School of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
- Provincial and Ministerial Co-Construction of Collaborative Innovation Center for Non-Ferrous Metal New Materials and Advanced Processing Technology, Luoyang 471023, China
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33
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Fabrication of MOF-808(Zr) with abundant defects by cleaving Zr O bond for oxidative desulfurization of fuel oil. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2021.10.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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34
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Zhong J, Qi Z, Liu Y, Zhu Y, Chen J, Ye C, Qiu T. Preparation of Zr-Based Phosphotungstic Acid Catalyst, ZrPTAX-BTC, and Its Application in Ultradeep and Fast Oxidative Desulfurization of Fuels. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c03959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jintian Zhong
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
| | - Zhaoyang Qi
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
| | - Yiyan Liu
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
| | - Yixi Zhu
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
| | - Jie Chen
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
| | - Changshen Ye
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
| | - Ting Qiu
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, PR China
- Qingyuan Innovation Laboratory, Quanzhou 362801, PR China
- Engineering Research Center of Reactive Distillation, Fujian Province Higher Education Institutes, Fuzhou University, Fuzhou, Fujian 350108, PR China
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35
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Design strategies of supported metal-based catalysts for efficient oxidative desulfurization of fuel. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.12.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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36
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Oxidative Desulfurization of Tire Pyrolysis Oil over Molybdenum Heteropolyacid Loaded Mesoporous Catalysts. REACTIONS 2021. [DOI: 10.3390/reactions2040029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Pyrolysis oil derived from waste tires consists of sulfur content in the range of 7000 to 9000 ppm. For use in diesel engines, its sulfur content must be lowered to 10 to 15 ppm. Though conventional hydrodesulfurization is suitable for the removal of sulfur from tire pyrolysis oil, its high cost provides an avenue for alternative desulfurization technologies to be explored. In this study, oxidative desulfurization (ODS), a low-cost technology, was explored for the desulfurization of tire pyrolysis oil. Two categories of titanium-incorporated mesoporous supports with 20 wt% loaded heteropoly molybdic acid catalyst (HPMo/Ti-Al2O3 and HPMo/Ti-TUD-1) were developed and tested for ODS of tire pyrolysis oil at mild process conditions. Catalysts were characterized by X-ray diffraction, BET-N2 physisorption, and X-ray photoelectron spectroscopy (XPS). The incorporation of Ti into Al2O3 and TUD-1 frameworks was confirmed by XPS. The surface acidity of catalysts was studied by the temperature-programmed desorption of NH3 and pyridine FTIR analyses. HPMo/Ti-Al2O3 and HPMo/Ti-TUD-1 catalysts contained both Lewis and Brønsted acid sites. The presence of titanium in catalysts was found to promote the ODS activity of phosphomolybdic acid. The Ti-TUD-1-supported catalysts performed better than the Ti-Al2O3-supported catalysts for the ODS of tire pyrolysis oil. Hydrogen peroxide and cumene peroxide were found to be better oxidants than tert-butyl hydroperoxide for oxidizing sulfur compounds of tire pyrolysis oil. Process parameter optimization by the design of experiments was conducted with an optimal catalyst along with the catalyst regeneration study. An ANOVA statistical analysis demonstrated that the oxidant/sulfur and catalyst/oil ratios were more significant than the reaction temperature for the ODS of tire pyrolysis oil. It followed the pseudo-first-order kinetics over HPMo/Ti-TUD-1.
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Lin S, Ng SF, Ong WJ. Life cycle assessment of environmental impacts associated with oxidative desulfurization of diesel fuels catalyzed by metal-free reduced graphene oxide. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 288:117677. [PMID: 34273765 DOI: 10.1016/j.envpol.2021.117677] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 06/11/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
This study aimed to analyze the environmental impacts of the oxidative desulfurization (ODS) process catalyzed by metal-free reduced graphene oxide (rGO) through life cycle assessment (LCA). The environmental impacts study containing the rGO production process, the ODS process, the comparison of different oxidants and solvents was developed. This study was performed by using ReCiPe 2016 V1.03 Hierarchist midpoint as well as endpoint approach and SimaPro software. For the production of 1 kg rGO, the results showed that hydrochloric acid (washing), sulfuric acid (mixing), hydrazine (reduction) and electricity were four main contributors in this process, and this process showed a significant impact on human health 14.21 Pt followed by ecosystem 0.845 Pt and resources 0.164 Pt. For the production of 1 kg desulfurized oil (400 ppm), main environmental impacts were terrestrial ecotoxicity (43.256 kg 1,4-DCB), global warming (41.058 kg CO2), human non-carcinogenic toxicity (19.570 kg 1,4-DCB) and fossil resource scarcity (13.178 kg oil), and the main contributors were electricity, diesel oil and acetonitrile. The whole ODS process also showed a greatest effect on human health. For two common oxidants hydrogen peroxide and oxygen used in ODS, hydrogen peroxide showed a greater impact than oxygen. On the other hand, for three common solvents employed in ODS, N-methyl-2-pyrrolidone had a more serious impact on human health followed by acetonitrile and N,N-dimethylformamide. As such, LCA results demonstrated the detailed environmental impacts originated from the catalytic ODS, hence elucidating systematic guidance for its future development toward practicality.
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Affiliation(s)
- Shichun Lin
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan, 43900, Malaysia
| | - Sue-Faye Ng
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan, 43900, Malaysia; Center of Excellence for NaNo Energy & Catalysis Technology (CONNECT), Xiamen University Malaysia, Selangor Darul Ehsan, 43900, Malaysia
| | - Wee-Jun Ong
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan, 43900, Malaysia; Center of Excellence for NaNo Energy & Catalysis Technology (CONNECT), Xiamen University Malaysia, Selangor Darul Ehsan, 43900, Malaysia; College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.
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Carbon-Based Materials for Oxidative Desulfurization and Denitrogenation of Fuels: A Review. Catalysts 2021. [DOI: 10.3390/catal11101239] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Sulfur (S) and nitrogen (N) are elements naturally found in petroleum-based fuels. S- and N-based compounds in liquid fuels are associated with a series of health and environmental issues. Thus, legislation has become stricter worldwide regarding their content and related emissions. Traditional treatment systems (namely hydrodesulfurization and hydrodenitrogenation) fail to achieve the desired levels of S and N contents in fuels without compromising combustion parameters. Thus, oxidative treatments (oxidative desulfurization–ODS, and oxidative denitrogenation-ODN) are emerging as alternatives to producing ultra-low-sulfur and nitrogen fuels. This paper presents a thorough review of ODS and ODN processes applying carbon-based materials, either in hybrid forms or as catalysts on their own. Focus is brought to the role of the carbonaceous structure in oxidative treatments. Furthermore, a special section related to the use of amphiphilic carbon-based catalysts, which have some advantages related to a closer interaction with the oily and aqueous phases, is discussed.
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Naghavi M, Mazloom G, Akbari A, Banisharif F. Deep oxidative desulfurization by sulfated alumina catalyst using ferrate (Fe(VI)) oxidant derived from scrap iron. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.08.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Eseva EA, Lukashov MO, Cherednichenko KA, Levin IS, Akopyan AV. Heterogeneous Catalysts Containing an Anderson-Type Polyoxometalate for the Aerobic Oxidation of Sulfur-Containing Compounds. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c03201] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ekaterina A. Eseva
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Maksim O. Lukashov
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Kirill A. Cherednichenko
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1 Leninsky prospect, 119991 Moscow, Russia
| | - Ivan S. Levin
- A.V. Topchiev Institute of Petrochemical Synthesis, 29 Leninsky prospect, 119991 Moscow, Russia
| | - Argam V. Akopyan
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
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Vafaee F, Jahangiri M, Salavati-Niasari M. A new phase transfer nanocatalyst NiFe 2O 4-PEG for removal of dibenzothiophene by an ultrasound assisted oxidative process: kinetics, thermodynamic study and experimental design. RSC Adv 2021; 11:31448-31459. [PMID: 35496862 PMCID: PMC9041405 DOI: 10.1039/d1ra06751f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 09/08/2021] [Indexed: 11/21/2022] Open
Abstract
In this study, NiFe2O4–PEG, an effective nanocatalyst was synthesized via a hydrothermal method using different PEG concentrations and synthesis times. The synthesized nanocatalyst was used in the ultrasound assisted oxidative desulfurization (UAOD) of model fuels (e.g. n-hexane and dibenzothiophene (DBT)) for the first time. The nanocatalyst was then characterized by XRD, FTIR, BET, SEM, VSM and TEM analyses. In addition, central composite design was used to evaluate the effective variables on the UAOD process. The optimal values of effective factors such as catalyst dose, oxidant amount, irradiation time and ultrasonic power to maximize of the percentage of sulfur removal were 0.149 g, 15 mL, 11.96 min, and 70 MHz, respectively. Moreover, the kinetic aspects of the oxidation reaction of DBT in the UAOD process were investigated using a pseudo-first-order model. Furthermore, using the Arrhenius equation, an activation energy of 35.86 kJ mol−1 was obtained. Additionally, thermodynamic analysis showed that the oxidation reaction of DBT was endothermic with a positive Gibbs free of energy, indicating the non-spontaneity of oxidation of DBT in the UAOD process. Moreover, the conversion rate of DBT has increased from 57% at 35 °C to 85% at 65 °C. In this study, NiFe2O4–PEG, an effective nanocatalyst was synthesized via a hydrothermal method using different PEG concentrations and synthesis times.![]()
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Affiliation(s)
- Fahimeh Vafaee
- Faculty of Chemical, Petroleum and Gas Eng., Semnan University P. O. Box 35196-45399 Semnan Islamic Republic of Iran
| | - Mansour Jahangiri
- Faculty of Chemical, Petroleum and Gas Eng., Semnan University P. O. Box 35196-45399 Semnan Islamic Republic of Iran
| | - Masoud Salavati-Niasari
- Institute of Nano Science and Nano Technology, University of Kashan P. O. Box. 87317-51167 Kashan Islamic Republic of Iran +98 31 55913201 +98 31 55912383
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Császár Z, Juzsakova T, Jakab M, Balogh S, Szegedi Á, Solt H, Hancsók J, Bakos J, Farkas G. Continuous Flow Friedel–Crafts Alkylation Catalyzed by Silica Supported Phosphotungstic Acid: An Environmentally Benign Process. Top Catal 2021. [DOI: 10.1007/s11244-021-01497-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractSix silica-supported phosphotungstic acid catalysts (PTA/SiO2) of different composition (20–70 wt% PTA content) have been synthesized and characterized by elemental analysis, BET, BJH, NH3-TPD methods, FT-IR spectroscopy of adsorbed pyridine and 1H MAS NMR techniques. The new composite catalysts were first applied in the Friedel–Crafts alkylation of toluene with 1-octene as a benchmark process under batch conditions in order to screen their activity and recyclability. The combined analytical techniques together with the catalytic studies enabled the identification of the main factors affecting the activity of the catalysts. Based on these preliminary experiments, the best performing catalyst system (50 wt% PTA/SiO2) was investigated in continuous flow mode using an in-house-made flow reactor. The thorough screening of the reaction conditions (temperature, toluene/1-octene molar ratio and flow rate) provided firm evidence that the 50 wt% PTA/SiO2 composite is highly active, selective and stable catalyst under mild reaction conditions even at elevated flow rate. Additionally, the catalyst used in the flow mode could successfully be regenerated and reused in the alkylation process.
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Aerobic Oxidative Desulfurization of Liquid Fuel Catalyzed by P–Mo–V Heteropoly Acids in the Presence of Aldehyde. Catalysts 2021. [DOI: 10.3390/catal11080988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aerobic oxidative desulfurization (ODS) of model liquid fuel (dodecane spiked with dibenzothiophene (DBT)) was carried out in the presence of bulk and supported Keggin-type heteropoly acids H3+nPMo12-nVnO40 (HPA-n, n = 0–3) as heterogeneous catalysts and benzaldehyde as a sacrificial reductant. In the presence of bulk H4PMo11VO40 (HPA-1), 100% of DBT was removed from fuel (converted to DBT sulfone) at 60 °C and ambient air pressure. Multiple catalyst reuse without loss of activity was demonstrated. The ODS reaction was strongly inhibited by radical scavengers. An unbranched radical chain mechanism was proposed.
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Lim XB, Ong WJ. A current overview of the oxidative desulfurization of fuels utilizing heat and solar light: from materials design to catalysis for clean energy. NANOSCALE HORIZONS 2021; 6:588-633. [PMID: 34018529 DOI: 10.1039/d1nh00127b] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The ceaseless increase of pollution cases due to the tremendous consumption of fossil fuels has steered the world towards an environmental crisis and necessitated urgency to curtail noxious sulfur oxide emissions. Since the world is moving toward green chemistry, a fuel desulfurization process driven by clean technology is of paramount significance in the field of environmental remediation. Among the novel desulfurization techniques, the oxidative desulfurization (ODS) process has been intensively studied and is highlighted as the rising star to effectuate sulfur-free fuels due to its mild reaction conditions and remarkable desulfurization performances in the past decade. This critical review emphasizes the latest advances in thermal catalytic ODS and photocatalytic ODS related to the design and synthesis routes of myriad materials. This encompasses the engineering of metal oxides, ionic liquids, deep eutectic solvents, polyoxometalates, metal-organic frameworks, metal-free materials and their hybrids in the customization of advantageous properties in terms of morphology, topography, composition and electronic states. The essential connection between catalyst characteristics and performances in ODS will be critically discussed along with corresponding reaction mechanisms to provide thorough insight for shaping future research directions. The impacts of oxidant type, solvent type, temperature and other pivotal factors on the effectiveness of ODS are outlined. Finally, a summary of confronted challenges and future outlooks in the journey to ODS application is presented.
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Affiliation(s)
- Xian Bin Lim
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan 43900, Malaysia. and Center of Excellence for NaNo Energy & Catalysis Technology (CONNECT), Xiamen University Malaysia, Selangor Darul Ehsan 43900, Malaysia
| | - Wee-Jun Ong
- School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan 43900, Malaysia. and Center of Excellence for NaNo Energy & Catalysis Technology (CONNECT), Xiamen University Malaysia, Selangor Darul Ehsan 43900, Malaysia and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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Abstract
A novel method of improving the SO2 absorption performance of sodium citrate (Ci-Na) using sodium humate (HA–Na) as an additive was put forward. The influence of different Ci-Na concentration, inlet SO2 concentration and gas flow rate on desulfurization performance were studied. The synergistic mechanism of SO2 absorption by HA–Na and Ci-Na was also analyzed. The consequence shows that the efficiency of SO2 absorption by Ci-Na is above 90% and the desulfurization time added with the Ci-Na concentration rising from 0.01 to 0.1 mol/L. Both the desulfurization efficiency and time may increase with the adding of HA–Na quality in Ci-Na solution. Due to adding HA–Na, the desulfurization efficiency of Ci-Na increased from 90% to 99% and the desulfurization time increased from 40 to 55 min. Under the optimum conditions, the desulfurization time of Ci-Na can exceed 70 min because of adding HA–Na, which is nearly doubled. The growth of inlet SO2 concentration has little effect on the desulfurization efficiency. The SO2 adsorption efficiency decreases with the increase of inlet flow gas. The presence of O2 improves the SO2 removal efficiency and prolongs the desulfurization time. Therefore, HA–Na plays a key role during SO2 absorption and can dramatically enhance the SO2 adsorption performance of Ci-Na solution.
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Noorpoor Z, Tavangar S. Preparation and characterization of Cu based on 5,5'-bistetrazole as a recyclable metal-organic framework and application in synthesis of diaryl ether by the Ullmann coupling reaction. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1914333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Zeinab Noorpoor
- Chemical Engineering, Malek-Ashtar University of Technology, Tehran, Iran
| | - Saeed Tavangar
- Chemical Engineering, Malek-Ashtar University of Technology, Tehran, Iran
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Fan J, Xie Z, Wang X, Shi T. Study on Oxidative Desulfurization of Simulated Oil Catalyzed With Glycine Modified Phosphotungstic Acid. RUSS J APPL CHEM+ 2021. [DOI: 10.1134/s1070427220120125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Recent Applications of Heteropolyacids and Related Compounds in Heterocycle Synthesis. Contributions between 2010 and 2020. Catalysts 2021. [DOI: 10.3390/catal11020291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Over the past two decades, polyoxometalates (POM) have received considerable attention as solid catalysts, due to their unique physicochemical characteristics, since, first, they have very strong Bronsted acidity, approaching the region of a superacid, and second, they are efficient oxidizers that exhibit rapid redox transformations under fairly mild conditions. Their structural mobility is also highlighted, since they are complex molecules that can be modified by changing their structure or the elements that compose them to model their size, charge density, redox potentials, acidity, and solubility. Finally, they can be used in substoichiometric amounts and reused without an appreciable loss of catalytic activity, all of which postulate them as versatile, economic and ecological catalysts. Therefore, in 2009, we wrote a review article highlighting the great variety of organic reactions, mainly in the area of the synthesis of bioactive heterocycles in which they can be used, and this new review completes that article with the contributions made in the same area for the period 2010 to 2020. The synthesized heterocycles to be covered include pyrimidines, pyridines, pyrroles, indoles, chromenes, xanthenes, pyrans, azlactones, azoles, diazines, azepines, flavones, and formylchromones, among others.
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Determination of physicochemical properties of ionic liquids by gas chromatography. J Chromatogr A 2021; 1644:461964. [PMID: 33741140 DOI: 10.1016/j.chroma.2021.461964] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/24/2021] [Accepted: 01/31/2021] [Indexed: 12/27/2022]
Abstract
Over the years room temperature ionic liquids have gained attention as solvents with favorable environmental and technical features. Both chromatographic and conventional methods afford suitable tools for the study of their physicochemical properties. Use of gas chromatography compared to conventional methods for the measurement of physicochemical properties of ionic liquids have several advantages; very low sample concentrations, high accuracy, faster measurements, use of wider temperature range and the possibility to determine physicochemical properties of impure samples. Also, general purpose gas chromatography instruments are widely available in most laboratories thus alleviating the need to purchase more specific instruments for less common physiochemical measurements. Some of the main types of physicochemical properties of ionic liquids accessible using gas chromatography include gas-liquid partition constants, infinite dilution activity coefficients, partial molar quantities, solubility parameters, system constants of the solvation parameter model, thermal stability, transport properties, and catalytic and other surface properties.
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