1
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A facile and efficient synthesis of highly functionalized pyrroles via a four-component one-pot reaction in the presence of Ni(II) Schiff base/SBA-15 heterogeneous catalyst. RESEARCH ON CHEMICAL INTERMEDIATES 2023. [DOI: 10.1007/s11164-023-04953-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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2
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Design and Applications of Enzyme-Linked Nanostructured Materials for Efficient Bio-catalysis. Top Catal 2023. [DOI: 10.1007/s11244-022-01770-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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3
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Vanadyl Heterosubstituted 1,3-β-diketonate Complexes: Synthesis, Characterization and Catalytic Applications for the Selective Oxidation and Detoxification of Sulfur Compounds. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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4
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Polikarpova P, Koptelova AO, Vutolkina AV, Akopyan AV. Combined Heterogeneous Catalyst Based on Titanium Oxide for Highly Efficient Oxidative Desulfurization of Model Fuels. ACS OMEGA 2022; 7:48349-48360. [PMID: 36591125 PMCID: PMC9798520 DOI: 10.1021/acsomega.2c06568] [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: 10/12/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
In this work, new heterogeneous Mo-containing catalysts based on sulfonic titanium dioxide were developed for the oxidation of sulfur-containing model feed. The synergistic effect of molybdenum and sulfonic group modifiers allows for enhancing catalytic activity in dibenzothiophene oxidative transformation, and a strong interaction between support and active component for thus obtained catalysts provides increased stability for leaching. For the selected optimal conditions, the Mo/TiO2-SO3H catalyst exhibited 100% DBT conversion for 10 min (1 wt % catalyst, molar ratio of H2O2:DBT, 2:1; 80 °C). Complete oxidation of DBT in the presence of the synthesized catalyst is achieved when using a stoichiometric amount of oxidizing agent, which indicates its high selectivity. The enhanced stability for metal leaching was proved in recycling tests, where the catalyst was operated for seven oxidation cycles without regeneration with retainable activity in DBT-containing model feed oxidation with hydrogen peroxide under mild reaction conditions. In 30 min of the reaction (H2O2:S = 2:1 (mol), 0.5% catalyst, 5 mL of acetonitrile, 80 °C), it was possible to reduce the content of sulfur compounds in the diesel fraction by 88% (from 5600 to 600 ppm).
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5
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CdS Nanoparticles Decorated 1D CeO2 Nanorods for Enhanced Photocatalytic Desulfurization Performance. Catalysts 2022. [DOI: 10.3390/catal12111478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
CdS nanoparticles were constructed onto one-dimensional (1D) CeO2 nanorods by a two-step hydrothermal method. The X-ray diffraction (XRD), transmission election microscopy (TEM), Raman spectra, X-ray photoelectron spectra (XPS) and UV-Vis diffuse reflection spectroscopy (DRS) techniques were used to characterize these CdS/CeO2 nanocomposites. It was concluded that when the molar ratio of CdS and CeO2 was 1:1, the nanocomposites exhibited the best photocatalytic desulfurization activity, reaching 92% in 3 h. Meanwhile, transient photocurrent (PT) measurement, photoluminescence (PL) spectra and electrochemical impedance spectroscopy (EIS) measurement indicated that the modification of CeO2 nanorods by CdS nanoparticles could significantly inhibit the recombination of photogenerated electrons and holes. In addition, the possible mechanism of photocatalytic oxidation desulfurization of the nanocomposites was proposed. This study may provide an effective CeO2-based photocatalyst for photocatalytic desulfurization applications.
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6
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Akopyan AV, Mnatsakanyan RA, Eseva EA, Davtyan DA, Polikarpova PD, Lukashov MO, Levin IS, Cherednichenko KA, Anisimov AV, Terzyan AM, Agoyan AM, Karakhanov EA. New Type of Catalyst for Efficient Aerobic Oxidative Desulfurization Based On Tungsten Carbide Synthesized by the Microwave Method. ACS OMEGA 2022; 7:11788-11798. [PMID: 35449937 PMCID: PMC9016829 DOI: 10.1021/acsomega.1c06969] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 03/22/2022] [Indexed: 06/14/2023]
Abstract
Herein, we present a new type of high-performance catalyst for aerobic oxidation of organosulfur compounds based on tungsten carbide. The synthesis of tungsten carbide was performed via microwave irradiation of the precursors, which makes it possible to obtain a catalyst in just 15 min. The synthesized catalyst was investigated by a variety of physicochemical methods: X-ray diffraction, X-ray photoelectron spectroscopy, Raman spectroscopy, electron microscopy, and N2 adsorption/desorption. It was shown that active centers containing tungsten in the transition oxidation state (+4) play a key role in the activation of oxygen. The main factors influencing the conversion of dibenzothiophene (DBT) were investigated. It should be noted that 100% conversion of DBT can be achieved under relatively mild conditions: 120 °C, 3 h, 6 bar, and 0.5% wt catalyst. The catalyst retained its activity for at least six oxidation/regeneration cycles. The simplicity and speed of synthesis of the proposed catalyst in combination with its high activity and stability open broad prospects for its further use both for oxidative desulfurization and for other reactions of aerobic oxidation of organic substrates.
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Affiliation(s)
- Argam V. Akopyan
- Chemistry
Department, Lomonosov Moscow State University, Leninskie gory, 1/3, Moscow 119234, Russia
| | - Raman A. Mnatsakanyan
- A.
B. Nalbandyan Institute of Chemical Physics National Academy of Sciences
of Armenia, Yerevan 0014, Armenia
| | - Ekaterina A. Eseva
- Chemistry
Department, Lomonosov Moscow State University, Leninskie gory, 1/3, Moscow 119234, Russia
| | - David A. Davtyan
- A.
B. Nalbandyan Institute of Chemical Physics National Academy of Sciences
of Armenia, Yerevan 0014, Armenia
| | - Polina D. Polikarpova
- Chemistry
Department, Lomonosov Moscow State University, Leninskie gory, 1/3, Moscow 119234, Russia
| | - Maxim O. Lukashov
- Chemistry
Department, Lomonosov Moscow State University, Leninskie gory, 1/3, Moscow 119234, Russia
| | - Ivan S. Levin
- A.
V. Topchiev Institute of Petrochemical Synthesis, 29 Leninsky prospect, 119991 Moscow, Russia
| | - Kirill A. Cherednichenko
- Department
of Physical and Colloid Chemistry, Gubkin
University, Leninskiy
prospect, 65-1, Moscow 119991, Russia
| | - Alexander V. Anisimov
- Chemistry
Department, Lomonosov Moscow State University, Leninskie gory, 1/3, Moscow 119234, Russia
| | - Anna M. Terzyan
- A.
B. Nalbandyan Institute of Chemical Physics National Academy of Sciences
of Armenia, Yerevan 0014, Armenia
| | - Artur M. Agoyan
- A.
B. Nalbandyan Institute of Chemical Physics National Academy of Sciences
of Armenia, Yerevan 0014, Armenia
| | - Eduard A. Karakhanov
- Chemistry
Department, Lomonosov Moscow State University, Leninskie gory, 1/3, Moscow 119234, Russia
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7
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Tugrul Albayrak A, Tavman A. Sono-oxidative desulfurization of fuels using heterogeneous and homogeneous catalysts: A comprehensive review. ULTRASONICS SONOCHEMISTRY 2022; 83:105845. [PMID: 35151195 PMCID: PMC8841374 DOI: 10.1016/j.ultsonch.2021.105845] [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: 05/31/2021] [Revised: 10/04/2021] [Accepted: 11/22/2021] [Indexed: 05/27/2023]
Abstract
Recently, environmental pollution has increased significantly due to petroleum-based fuels widely used in vehicles. This environmental pollution is mainly due to the acidic SO2 gas generated by the combustion of fuels and emitted into the atmosphere. SO2 gas causes not only acid rain but also corrosion of metal parts of engines in vehicles. In addition, it functions as a catalyst poison in catalytic converters in exhaust system. Due to these damages, strict regulations have been introduced to reduce the amount of sulfur in fuels. As of 2005, the permissible amount of sulfur in diesel fuels in Europe and America has been limited to 10 and 15 ppm by weight, respectively. Due to the decreasing oil reserves in the world, high viscosity petroleums containing high sulfur and heavier fractions (i.e., low-quality oils) are increasing, thus making desulfurization difficult and leading to high costly process. Since time and economic loss are very important today, these two terms have to be reduced to a minimum. Recently, ultrasound wave in ODS shown as an alternative to HDS is utilized to further increase desulfurization in shorter times. Ultrasound wave locally creates high temperatures and high pressures (hot-spot theory) in liquid, causing the desulfurization reaction to accelerate further. In this review, the advantages and difficulties of oxidative desulfurization, the economics of ultrasound-assisted oxidative desulfurization are summarized and recommendations for improving the process are presented.
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Affiliation(s)
- Ali Tugrul Albayrak
- Department of Chemical Engineering, Faculty of Engineering, Istanbul University-Cerrahpasa, 34320 Avcilar, Istanbul, Turkey.
| | - Aydin Tavman
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, 34320 Avcilar, Istanbul, Turkey
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8
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Lazzarini A, Colaiezzi R, Gabriele F, Crucianelli M. Support-Activity Relationship in Heterogeneous Catalysis for Biomass Valorization and Fine-Chemicals Production. MATERIALS 2021; 14:ma14226796. [PMID: 34832198 PMCID: PMC8619138 DOI: 10.3390/ma14226796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 11/16/2022]
Abstract
Heterogeneous catalysts are progressively expanding their field of application, from high-throughput reactions for traditional industrial chemistry with production volumes reaching millions of tons per year, a sector in which they are key players, to more niche applications for the production of fine chemicals. These novel applications require a progressive utilization reduction of fossil feedstocks, in favor of renewable ones. Biomasses are the most accessible source of organic precursors, having as advantage their low cost and even distribution across the globe. Unfortunately, they are intrinsically inhomogeneous in nature and their efficient exploitation requires novel catalysts. In this process, an accurate design of the active phase performing the reaction is important; nevertheless, we are often neglecting the importance of the support in guaranteeing stable performances and improving catalytic activity. This review has the goal of gathering and highlighting the cases in which the supports (either derived or not from biomass wastes) share the worth of performing the catalysis with the active phase, for those reactions involving the synthesis of fine chemicals starting from biomasses as feedstocks.
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9
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Akopyan AV, Polikarpova PD, Arzyaeva NV, Anisimov AV, Maslova OV, Senko OV, Efremenko EN. Model Fuel Oxidation in the Presence of Molybdenum-Containing Catalysts Based on SBA-15 with Hydrophobic Properties. ACS OMEGA 2021; 6:26932-26941. [PMID: 34693114 PMCID: PMC8529595 DOI: 10.1021/acsomega.1c03267] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/23/2021] [Indexed: 05/17/2023]
Abstract
We have studied for the first time the role of hydrophobicity of the mesoporous silicate SBA-15 on the activity and the service life of a catalyst in the peroxide oxidation of sulfur-containing compounds. Immobilization of the molybdate anion on the SBA-15 support via ionic bonding with triethylammonium groups allows us not only to decrease the reaction temperature to a relatively low value of 60 °C without a drop in the dibenzothiophene conversion degree but also to increase the service life of the catalyst to many times that of the known analogs. The support and catalyst structures were investigated by low-temperature nitrogen adsorption/desorption, Fourier-transform infrared spectroscopy, X-ray fluorescence analysis, and transmission electron microscopy. Immobilization of the molybdate anion on the SBA-15 support, modified with ammonium species, prevents the leaching of active sites. However, only alkyl-substituted ammonium species minimize DBT sulfone adsorption, which significantly increases the catalyst's service life. The synthesized catalyst Mo/Et3N-SBA-15 with hydrophobic properties is not sensitive to the initial sulfur content and hydrogen peroxide amount and retains its activity for at least six cycles of oxidation without regeneration. These catalysts can be efficiently used for clean fuel production.
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Affiliation(s)
- Argam V. Akopyan
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Polina D. Polikarpova
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Nina V. Arzyaeva
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Alexander V. Anisimov
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Olga V. Maslova
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Olga V. Senko
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
- Emanuel
Institute of Biochemical Physics, Russian
Academy of Sciences, Kosygina st., 4, Moscow 119334, Russia
| | - Elena N. Efremenko
- Faculty
of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow 119991, Russia
- Emanuel
Institute of Biochemical Physics, Russian
Academy of Sciences, Kosygina st., 4, Moscow 119334, Russia
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10
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Akopyan AV, Kulikov LA, Polikarpova PD, Shlenova AO, Anisimov AV, Maximov AL, Karakhanov EA. Metal-Free Oxidative Desulfurization Catalysts Based on Porous Aromatic Frameworks. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c00886] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Argam V. Akopyan
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Leonid A. Kulikov
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Polina D. Polikarpova
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Anna O. Shlenova
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Alexander V. Anisimov
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Anton L. Maximov
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
- A.V.Topchiev Institute of Petrochemical Synthesis, 29 Leninsky Prospect, 119991 Moscow, Russia
| | - Eduard A. Karakhanov
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskiye Gory, 119991 Moscow, Russia
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11
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Recent developments of supported and magnetic nanocatalysts for organic transformations: an up-to-date review. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-01888-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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Abstract
Slaughterhouse waste is considered to be an emerging issue because of its disposal cost. As an alternative, it would be a great prospect for the bioeconomy society to explore new usages of these leftover materials. As per food safety rules mentioned by EU legislation, all bone waste generated by slaughterhouses ought to be disposed of by rendering. The huge quantity of worldwide bone waste generation (130 billion kilograms per annum) is an environmental burden if not properly managed. The waste animal bones can be efficiently employed as a heterogeneous catalyst to produce biodiesel. This mini review summarized the recent literature reported for biodiesel generation using waste animal bones derived heterogeneous catalyst. It discusses the sources of bone waste, catalyst preparation methods, particularly calcination and its effects, and important characteristics of bones derived catalyst. It suggests that catalysts extracted from waste animal bones have suitable catalytic activity in transesterification of different oil sources to generate a good quality biodiesel.
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13
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Effect of Time, Temperature and Stirring Rate Used in the First Step of the Synthesis of SBA-15 on Its Application as Reductor of Tars in Tobacco Smoke. Catalysts 2021. [DOI: 10.3390/catal11030375] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
SBA-15 has been employed as a tobacco additive with the objective of reducing the toxic and carcinogenic components in tobacco smoke. The effect of the synthesis conditions (temperature, time, and stirring rate) on this application was studied in this paper. The SBA-15 was characterized (RDX, N2 adsorption isotherms, SEM and apparent density), mixed with the 3R4F reference tobacco, and smoked under standard conditions. The composition of the gas and condensed fractions also was analyzed. The morphology of the material plays an important role on this application and is highly influenced by the three variables studied. Long fibers show improved efficiency compared to short fibers. The tar reduction effect was improved when increasing the time of synthesis. Nevertheless, a maximum was observed with temperature (40 °C) and stirring rate (700 rpm). The optimal synthesis conditions obtained were 24 h, 40 °C and 700 rpm, yielding reductions as high as 68% for tar, 67% for nicotine, and 31% for CO. The scaling-up process has only been reported in terms of grams but never in a preindustrial scale (around 4 kg), and thus the results of this analysis show a promising material with properties and behavior similar with respect to the sample synthesized at laboratory scale.
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14
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Niu Q, Liu G, Lv Z, Si C, Jin M. Assembly of SBA‐15 Derived Hybrid Heterogeneous Catalysts for Liquid Phase Cyclopentene Epoxidation. ChemistrySelect 2021. [DOI: 10.1002/slct.202100259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Qingtao Niu
- Department of Chemistry and Chemical Engineering Jining University No.1 Xingtan Road Qufu 273155 China
| | - Guodong Liu
- Department of Chemistry and Chemical Engineering Jining University No.1 Xingtan Road Qufu 273155 China
| | - Zhiguo Lv
- State Key Laboratory Base for Eco-chemical Engineering, College of Chemical Engineering Qingdao University of Science and Technology No.53 Zhengzhou Road Qingdao 266042 China
| | - Chongdian Si
- Department of Chemistry and Chemical Engineering Jining University No.1 Xingtan Road Qufu 273155 China
| | - Manman Jin
- Department of Chemistry and Chemical Engineering Jining University No.1 Xingtan Road Qufu 273155 China
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15
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Engineering and Performance of Ruthenium Complexes Immobilized on Mesoporous Siliceous Materials as Racemization Catalysts. Catalysts 2021. [DOI: 10.3390/catal11030316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Dynamic kinetic resolution (DKR) is one of the most attractive routes to enantioselective synthesis, and ruthenium complexes are often applied as racemization catalysts. Two substituted cyclopentadienyl ruthenium complexes were immobilized covalently and non-covalently on mesoporous silica of mesocellular foam (MCF) and Santa Barbara Amorphous (SBA)-15 type functionalized with a 3 carbon spacer and 4-(chloromethyl)-N-amidobenzoate moiety. The catalysts were studied in a model reaction of secondary alcohol racemization. The immobilization decreased catalyst activity, considerably more for SBA-15 than for MCFs, and complete racemization of 1-phenylethanol was achieved within 24 h with the MCF-supported catalyst. The catalyst could be recovered and reused, thus paving the way for further development of the DKR process. The synthesized materials were fully characterized by Fourier-transform infrared spectroscopy analysis, thermogravimetry analysis, inductively cou-pled plasma optical emission spectrometry, and nitrogen adsorption at 77 K.
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16
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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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17
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Akopyan A, Polikarpova P, Vutolkina A, Cherednichenko K, Stytsenko V, Glotov A. Natural clay nanotube supported Mo and W catalysts for exhaustive oxidative desulfurization of model fuels. PURE APPL CHEM 2021. [DOI: 10.1515/pac-2020-0901] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Abstract
Oxidative desulfurization is a promising way to produce, under mild conditions, clean ecological fuels with ultra-low sulfur content. Herein, we present for the first time heterogeneous catalysts based on natural aluminosilicate nanotubes (halloysite) loaded with transition metal oxides for oxidative sulfur removal using hydrogen peroxide as environmentally safe oxidant. The halloysite nanotubes (HNTs) provide acid sites for C–S bond scission, while the Mo and W oxides act as hydrogen peroxide activators. The structure and acidity of both the clay support and catalysts were investigated by low-temperature nitrogen adsorption/desorption, Fourier-transform infrared spectroscopy, X-ray fluorescence analysis, and transmission electron microscopy techniques. These clay-based catalysts revealed the high activity in the oxidation of various classes of sulfur-containing compounds (sulfides, heteroatomic sulfur compounds) under mild reaction conditions. The conversion of various substrates decreases in the following trend: MeSPh > Bn2S > DBT > 4-MeDBT > BT, which deals with substrate electron density and steric hindrance. The influence of the temperature, oxidant to sulfur molar ratio, and reaction time on catalytic behavior was evaluated for Mo- and W-containing systems with various metal content. The complete oxidation of the most intractable dibenzothiophene to the corresponding sulfone was achieved at 80 °C and H2O2:S = 6:1 (molar) for 2 h both for Mo- and W-containing systems. These transition metal oxides HNTs supported catalysts are stable for 10 cycles of dibenzothiophene oxidation, which makes them promising systems for clean fuel production.
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Affiliation(s)
- Argam Akopyan
- Department of Petroleum Chemistry and Organic Catalysis , Faculty of Chemistry, Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory , 119991 Moscow , Russia
| | - Polina Polikarpova
- Department of Petroleum Chemistry and Organic Catalysis , Faculty of Chemistry, Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory , 119991 Moscow , Russia
| | - Anna Vutolkina
- Department of Petroleum Chemistry and Organic Catalysis , Faculty of Chemistry, Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory , 119991 Moscow , Russia
| | - Kirill Cherednichenko
- Department of Physical and Colloid Chemistry , Faculty of Chemical and Environmental Engineering, Gubkin Russian State University of Oil and Gas (NRU) , 65 Leninsky Prospekt , 119991 Moscow , Russia
| | - Valentine Stytsenko
- Department of Physical and Colloid Chemistry , Faculty of Chemical and Environmental Engineering, Gubkin Russian State University of Oil and Gas (NRU) , 65 Leninsky Prospekt , 119991 Moscow , Russia
| | - Aleksandr Glotov
- Department of Physical and Colloid Chemistry , Faculty of Chemical and Environmental Engineering, Gubkin Russian State University of Oil and Gas (NRU) , 65 Leninsky Prospekt , 119991 Moscow , Russia
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18
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Marquez-Medina MD, Luque R, Balu AM, Ivars-Barceló F, Carrillo-Carrión C. Metal doping of porous materials via a post-synthetic mechano-chemical approach: a general route to design low-loaded versatile catalytic systems. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01568g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Mesoporous silica materials doped with metals (Fe/Zr) presented superior catalytic performance for oxidations. The use of MOFs as metal sources improved the metal distribution, and allowed a fine-tuning of Brønsted–Lewis acidity depending on the MOF.
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Affiliation(s)
| | - Rafael Luque
- Department of Organic Chemistry
- University of Córdoba
- Cordoba
- Spain
- Peoples Friendship University of Russia (RUDN University)
| | - Alina M. Balu
- Department of Organic Chemistry
- University of Córdoba
- Cordoba
- Spain
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19
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Rezanejade Bardajee G, Ghaedi A, Hazrati H, Jafarpour F. An efficient synthesis of highly substituted functionalized pyrroles via a four-component coupling reaction catalyzed by Fe(III)-Schiff base/SBA-15. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1744650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
| | - Aseyeh Ghaedi
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
| | - Hamideh Hazrati
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Farnaz Jafarpour
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
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20
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Dayan S. Immobilized palladium complex into carbon-based nanomaterials: As catalyst for counter-electrode in the photovoltaics. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128444] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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21
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Verma P, Kuwahara Y, Mori K, Raja R, Yamashita H. Functionalized mesoporous SBA-15 silica: recent trends and catalytic applications. NANOSCALE 2020; 12:11333-11363. [PMID: 32285073 DOI: 10.1039/d0nr00732c] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The development of advanced materials for heterogeneous catalytic applications requires fine control over the synthesis and structural parameters of the active site. Mesoporous silica materials have attracted increasing attention to be considered as an important class of nanostructured support materials in heterogeneous catalysis. Their large surface area, well-defined porous architecture and ability to incorporate metal atoms within the mesopores lead them to be a promising support material for designing a variety of different catalysts. In particular, SBA-15 mesoporous silica has its broad applicability in catalysis because of its comparatively thicker walls leading to higher thermal and mechanical stability. In this review article, various strategies to functionalize SBA-15 mesoporous silica have been reviewed with a view to evaluating its efficacy in different catalytic transformation reactions. Special attention has been given to the molecular engineering of the silica surface, within the framework and within the hexagonal mesoporous channels for anchoring metal oxides, single-site species and metal nanoparticles (NPs) serving as catalytically active sites.
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Affiliation(s)
- Priyanka Verma
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. and School of Chemistry, University of Southampton, University Road, Highfield, Southampton, SO17 1 BJ, UK
| | - Yasutaka Kuwahara
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. and Units of Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan and JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Kohsuke Mori
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. and Units of Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
| | - Robert Raja
- School of Chemistry, University of Southampton, University Road, Highfield, Southampton, SO17 1 BJ, UK
| | - Hiromi Yamashita
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. and Units of Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan
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22
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Abstract
Bio-desulfurization is an efficient technology for removing recalcitrant sulfur derivatives from liquid fuel oil in environmentally friendly experimental conditions. In this context, the development of heterogeneous bio-nanocatalysts is of great relevance to improve the performance of the process. Here we report that lignin nanoparticles functionalized with concanavalin A are a renewable and efficient platform for the layer-by-layer immobilization of horseradish peroxidase. The novel bio-nanocatalysts were applied for the oxidation of dibenzothiophene as a well-recognized model of the recalcitrant sulfur derivative. The reactions were performed with hydrogen peroxide as a green primary oxidant in the biphasic system PBS/n-hexane at 45 °C and room pressure, the highest conversion of the substrate occurring in the presence of cationic polyelectrolyte layer and hydroxy-benzotriazole as a low molecular weight redox mediator. The catalytic activity was retained for more transformations highlighting the beneficial effect of the support in the reusability of the heterogeneous system.
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