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Stavitskaya A, Rubtsova M, Glotov A, Vinokurov V, Vutolkina A, Fakhrullin R, Lvov Y. Architectural design of core-shell nanotube systems based on aluminosilicate clay. Nanoscale Adv 2022; 4:2823-2835. [PMID: 36132000 PMCID: PMC9419087 DOI: 10.1039/d2na00163b] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/17/2022] [Indexed: 05/25/2023]
Abstract
A nanoarchitectural approach to the design of functional nanomaterials based on natural aluminosilicate nanotubes and their catalysis, and practical applications are described in this paper. We focused on the buildup of hybrid core-shell systems with metallic or organic molecules encased in aluminosilicate walls, and nanotube templates for structured silica and zeolite preparation. The basis for such an architectural design is a unique Al2O3/SiO2 dual chemistry of 50 nm diameter halloysite tubes. Their structure and site dependent properties are well combined with biocompatibility, environmental safety, and abundant availability, which makes the described functional systems scalable for industrial applications. In these organic/ceramic hetero systems, we outline drug, dye and chemical inhibitor loading inside the clay nanotubes, accomplished with their silane or amphiphile molecule surface modifications. For metal-ceramic tubule composites, we detailed the encapsulation of 2-5 nm Au, Ru, Pt, and Ag particles, Ni and Co oxides, NiMo, and quantum dots of CdZn sulfides into the lumens or their attachment at the outside surface. These metal-clay core-shell nanosystems show high catalytic efficiency with increased mechanical and temperature stabilities. The combination of halloysite nanotubes with mesoporous MCM-41 silica allowed for a synergetic enhancement of catalysis properties. Finally, we outlined the clay nanotubes' self-assembly into organized arrays with orientation and ordering similar to nematic liquid crystals, and these systems are applicable for life-related applications, such as petroleum spill bioremediation, antimicrobial protection, wound healing, and human hair coloring.
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Affiliation(s)
- Anna Stavitskaya
- Department of Physical and Colloid Chemistry, Gubkin Russian State University of Oil and Gas Moscow 119991 Russian Federation
| | - Maria Rubtsova
- Department of Physical and Colloid Chemistry, Gubkin Russian State University of Oil and Gas Moscow 119991 Russian Federation
| | - Aleksandr Glotov
- Department of Physical and Colloid Chemistry, Gubkin Russian State University of Oil and Gas Moscow 119991 Russian Federation
| | - Vladimir Vinokurov
- Department of Physical and Colloid Chemistry, Gubkin Russian State University of Oil and Gas Moscow 119991 Russian Federation
| | - Anna Vutolkina
- Chemistry Department, M. Lomonosov Moscow State University Moscow 119991 Russian Federation
| | - Rawil Fakhrullin
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University Kazan Republic of Tatarstan 420008 Russian Federation
| | - Yuri Lvov
- Institute for Micromanufacturing, Louisiana Tech University Ruston LA 71272 USA
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Mazurova K, Glotov A, Kotelev M, Eliseev O, Gushchin P, Rubtsova M, Vutolkina A, Kazantsev R, Vinokurov V, Stavitskaya A. Natural aluminosilicate nanotubes loaded with RuCo as nanoreactors for Fischer-Tropsch synthesis. Sci Technol Adv Mater 2022; 23:17-30. [PMID: 35069010 PMCID: PMC8774063 DOI: 10.1080/14686996.2021.2017754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/26/2021] [Accepted: 12/07/2021] [Indexed: 05/31/2023]
Abstract
Following nanoarchitectural approach, mesoporous halloysite nanotubes with internal surface composed of alumina were loaded with 5-6 nm RuCo nanoparticles by sequential loading/reduction procedure. Ruthenium nanoclusters were loaded inside clay tube by microwave-assisted method followed by cobalt ions electrostatic attraction to ruthenium during wetness impregnation step. Developed nanoreactors with bimetallic RuCo nanoparticles were investigated as catalysts for the Fischer-Tropsch process. The catalyst with 14.3 wt.% of Co and 0.15 wt.% of Ru showed high activity (СO conversion reached 24.6%), low selectivity to methane (11.9%), CO2 (0.3%), selectivity to C5+ hydrocarbons of 79.1% and chain growth index (α) = 0.853. Proposed nanoreactors showed better selectivity to target products combined with high activity in comparison to the similar bimetallic systems supported on synthetic porous materials. It was shown that reducing agent (NaBH4 or H2) used to obtain Ru nanoclusters at first synthesis step played a very important role in the reducibility and selectivity of resulting RuCo catalysts.
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Affiliation(s)
- Kristina Mazurova
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
| | - Aleksandr Glotov
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
- Chemical Department, Moscow State University, Moscow, Russia
| | - Mikhail Kotelev
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
| | - Oleg Eliseev
- Laboratory of Catalytic Reactions of Carbon Oxides, N.d. Zelinsky Institute of Organic Chemistry, RAS, Moscow, Russia
| | - Pavel Gushchin
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
| | - Maria Rubtsova
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
| | - Anna Vutolkina
- Chemical Department, Moscow State University, Moscow, Russia
| | - Ruslan Kazantsev
- Laboratory of Catalytic Reactions of Carbon Oxides, N.d. Zelinsky Institute of Organic Chemistry, RAS, Moscow, Russia
| | - Vladimir Vinokurov
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
| | - Anna Stavitskaya
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, Russia
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Abstract
Catalytic hydroprocesses play a significant role in oil refining and petrochemistry. The tailored design of new metal nanosystems and optimization of their support, composition, and structure is a prospective strategy for enhancing the efficiency of catalysts. Mesoporous support impacts the active component by binding it to the surface, which leads to the formation of tiny highly dispersed catalytic particles stabilized from aggregation and with minimized leaching. The structural and acidic properties of the support are crucial and determine the size and dispersion of the active metal phase. Currently, research efforts are shifted toward the design of nanoscale porous materials, where homogeneous catalysts are displaced by heterogeneous. Ceramic materials, such as 50 nm diameter natural halloysite nanotubes, are of special interest for this. Much attention to halloysite clay is due to its tubular structure with a hollow 10-15 nm diameter internal cavity, textural characteristics, and different chemical compositions of the outer/inner surfaces, allowing selective nanotube modification. Loading halloysite with metal particles or placing them outside the tubes provides stable and efficient mesocatalysts. The low cost of this abundant nanoclay makes it a good choice for the scaled-up architectural design of core-shell catalysts, containing active metal sites (Au, Ag, Pt, Ru, Co, Mo, Fe2O3, CdS, CdZnS, Cu-Ni) located inside or outside the tubular template. These alumosilicate nanotubes are environment-friendly and are available in thousands of tons. Herein, we summarized the advances of halloysite-based composite materials for hydroprocesses, focusing on the selective binding of metal particles. We analyze the tubes' morphology adjustments and size selection, the physicochemical properties of pristine and modified halloysite (e.g., acid-etched or silanized), the methods of metal clusters formation, and their localization. We indicate prospective routes for the architectural design of stable and efficient nanocatalysts based on this safe and natural clay material.
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Affiliation(s)
- Aleksandr Glotov
- Gubkin Russian State University of Oil and Gas (NRU), 65 Leninsky Prospekt, Moscow, 119991, Russia.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Vutolkina A, Glotov A, Baygildin I, Akopyan A, Talanova M, Terenina M, Maximov A, Karakhanov E. Ni–Mo sulfide nanosized catalysts from water-soluble precursors for hydrogenation of aromatics under water gas shift conditions. PURE APPL CHEM 2020. [DOI: 10.1515/pac-2019-1115] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The unsupported catalysts were obtained during hydrogenation by in situ high-temperature decomposition (above 300 °C) of water-soluble metal precursors (ammonium molybdate and nickel nitrate) in water-in-oil (W/O) emulsions stabilized by surfactant (SPAN-80) using elemental sulfur as sulfiding agent. These self-assembly Ni–Mo sulfide nanosized catalysts were tested in hydrogenation of aromatics under CO pressure in water-containing media for hydrogen generation through a water gas shift reaction (WGSR). The composition of the catalysts was determined by XRF and active sulfide phase was revealed by XRD, TEM and XPS techniques. The calculations based on TEM and XPS data showed that the catalysts are highly dispersed. The surfactant was found to affect both dispersion and metal distribution for Ni and Mo species, providing shorter slab length in terms of sulfide particle formation and stacking within high content of NiMoS phase. Catalytic evaluation in hydrogenation of aromatics was performed in a high-pressure batch reactor at T = 380–420 °С, p(CO) = 5 MPa with water content of 20 wt.% and CO/H2O molar ratio of 1.8 for 4–8 h. As shown experimentally with unsupported Ni–Mo sulfide catalysts, the activity of aromatic rings depends on the substituent therein and decreases as follows: anthracene>>1-methylnaphthalene≈2-methylnaphthalene>1,8-dimethylnaphthale-ne>>1,3-di-methylnaphthalene>2,6-dimethylnaphthalene≈2,3-dimethylnaphthalene>2-ethyl-naphthalene. The anthracene conversion reaches up to 97–100% for 4 h over the whole temperature range, while for 1MN and 2MN it doesn’t exceed 92 and 86% respectively even at 420 °С for 8 h. Among dimethyl-substituted aromatics the higher conversion of 45% was achieved for 1,8-dimethylnaphthalene with 100% selectivity to tetralines at 400 °С for 6 h. Similar to 1- and 2-methylnaphtalenes, the hydrogenation of asymmetric dimethyl-substituted substrate carries out through the unsubstituted aromatic ring indicating that steric factors influence on the sorption mechanism over active metal sites. The catalysts were found to be reused for at least six cycles when the hydrogenation is sulfur-assisted preventing metal oxide formation. It was established, that at the first 2–3 h known as the induction period, the oxide catalyst precursors formed slowly by metal salt decomposition, which reveals that it is the rate-determining step. The sulfidation is rather fast based on high catalytic activity data on 2MN conversion retaining at 93–95% upon recycling.
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Affiliation(s)
- Anna Vutolkina
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
| | - Aleksandr Glotov
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
- Faculty of Chemical and Environmental Engineering, Department of Physical and Colloid Chemistry , Gubkin Russian State University of Oil and Gas (NRU) , 65 Leninsky Prospekt, 119991 , Moscow , Russia
| | - Ilnur Baygildin
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
| | - Argam Akopyan
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
| | - Marta Talanova
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
| | - Maria Terenina
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
| | - Anton Maximov
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS , GSP-1, 29 Leninsky Prospekt, 119991 , Moscow , Russia
| | - Eduard Karakhanov
- Faculty of Chemistry, Department of Petroleum Chemistry and Organic Catalysis , Lomonosov Moscow State University , GSP-1, 1-3 Leninskiye Gory, 119991 , Moscow , Russia
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Akopyan A, Eseva E, Polikarpova P, Kedalo A, Vutolkina A, Glotov A. Deep Oxidative Desulfurization of Fuels in the Presence of Brönsted Acidic Polyoxometalate-Based Ionic Liquids. Molecules 2020; 25:E536. [PMID: 31991874 PMCID: PMC7037028 DOI: 10.3390/molecules25030536] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/19/2020] [Accepted: 01/24/2020] [Indexed: 11/16/2022] Open
Abstract
Polyoxometalate-based ionic liquid hybrid materials with a pyridinium cation, containing Brönsted acid sites, were synthesized and used as catalysts for the oxidation of model and real diesel fuels. Keggin-type polyoxometalates with the formulae [PMo12O40]3-, [PVMo11O40]4-, [PV2Mo10O40]4-, [PW12O40]3- were used as anions. It was shown that increasing the acid site strength leads to an increase of dibenzothiophene conversion to the corresponding sulfone. The best results were obtained in the presence of a catalyst, containing a nicotinic acid derivative as cation and phosphomolybdate as anion. The main factors affecting the process consisting of catalyst dosage, temperature, reaction time, oxidant dosage were investigated in detail. Under optimal conditions full oxidation of dibenzothiophene and more than a 90% desulfurization degree of real diesel fuel (initial sulfur content of 2050 ppm) were obtained (the oxidation conditions: NK-1 catalyst, molar ratio H2O2:S 10:1, molar ratio S:Mo 8:1, 1 mL MeCN, 70 °C, 1 h). The synthesized catalysts could be used five times with a slight decrease in activity.
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Affiliation(s)
- Argam Akopyan
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University, 119991 Moscow, Russia; (A.A.); (E.E.); (P.P.); (A.K.); (A.V.)
| | - Ekaterina Eseva
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University, 119991 Moscow, Russia; (A.A.); (E.E.); (P.P.); (A.K.); (A.V.)
| | - Polina Polikarpova
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University, 119991 Moscow, Russia; (A.A.); (E.E.); (P.P.); (A.K.); (A.V.)
| | - Anastasia Kedalo
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University, 119991 Moscow, Russia; (A.A.); (E.E.); (P.P.); (A.K.); (A.V.)
| | - Anna Vutolkina
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University, 119991 Moscow, Russia; (A.A.); (E.E.); (P.P.); (A.K.); (A.V.)
- Department of Physical and Colloid Chemistry, Gubkin Russian State University of Oil and Gas, 119991 Moscow, Russia
| | - Aleksandr Glotov
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University, 119991 Moscow, Russia; (A.A.); (E.E.); (P.P.); (A.K.); (A.V.)
- Department of Physical and Colloid Chemistry, Gubkin Russian State University of Oil and Gas, 119991 Moscow, Russia
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Karakhanov E, Akopyan A, Golubev O, Anisimov A, Glotov A, Vutolkina A, Maximov A. Alkali Earth Catalysts Based on Mesoporous MCM-41 and Al-SBA-15 for Sulfone Removal from Middle Distillates. ACS Omega 2019; 4:12736-12744. [PMID: 31460396 PMCID: PMC6690565 DOI: 10.1021/acsomega.9b01819] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 07/17/2019] [Indexed: 06/10/2023]
Abstract
Mg, Ca, and Ba catalysts supported on structured mesoporous silica oxides types MCM-41 and Al-SBA-15 were synthesized and investigated in sulfone cracking for sulfur removal from oxidized diesel fuel. Functional materials and catalysts were characterized by low-temperature nitrogen adsorption/desorption, transmission electron microscopy, and inductively coupled plasma atomic emission spectroscopy techniques. Catalytic tests were carried out in fixed-bed and batch reactors with a model compound dibenzothiophene sulfone and oxidized diesel fraction as a feed. MgO/MCM-41 and MgO/Al-MCM-41 possess high activity in sulfone cracking. The sulfur content in the diesel fraction decreases from initial 450 up to 100 ppmw. Catalysts can be regenerated for reuse in several cycles and may be potentially scaled up for industrial applications.
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Affiliation(s)
- Eduard Karakhanov
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Argam Akopyan
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Oleg Golubev
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Alexander Anisimov
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Aleksandr Glotov
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
- Gubkin Russian
State University of Oil and Gas (National Research University), Leninsky Prospekt 65, Moscow 119991, Russia
| | - Anna Vutolkina
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
| | - Anton Maximov
- Chemistry Department, Lomonosov Moscow
State University, GSP-1, 1-3 Leninskiye Gory, Moscow 119991, Russia
- Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospekt 29, Moscow 119991, Russia
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Glotov A, Levshakov N, Vutolkina A, Lysenko S, Karakhanov E, Vinokurov V. Aluminosilicates supported La-containing sulfur reduction additives for FCC catalyst: Correlation between activity, support structure and acidity. Catal Today 2019. [DOI: 10.1016/j.cattod.2018.10.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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