Boosting Catalytic Combustion of Ethanol by Tuning Morphologies and Exposed Crystal Facets of α-Mn2O3

Article Energy & Fuels

Catalytic Combustion Study of Ethanol Over Manganese Oxides with Different Morphologies

Beibei Feng et al.

Summary: Manganese oxides, especially Mn3O4 nanoplate catalyst, show promising catalytic performance in ethanol combustion with small crystal size, large surface area, exposed facets, and abundant Mn4+ and defective structure.

ENERGY & FUELS (2022)

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Article Chemistry, Physical

High Surface Area ZnO-Nanorods Catalyze the Clean Thermal Methane Oxidation to CO2

Tanika Kessaratikoon et al.

Summary: ZnO nanostructures with different morphologies, nanorods, and nanopyramids were synthesized using non-aqueous and aqueous sol-gel techniques. The ZnO nanorods obtained through a rapid and scalable procedure exhibited high surface area. They showed excellent catalytic performance in complete methane oxidation at high temperatures, maintaining over 90% conversion for 12 hours at 700 degrees C. The high surface-to-volume ratio and abundant oxygen vacancies contributed to their enhanced catalytic activity.

CATALYSTS (2022)

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Article Chemistry, Physical

Boosting the efficiencies of ethanol total combustion by Cs incorporation into rod-shaped α-MnO2 catalysts

Shuo Li et al.

Summary: In this study, cesium was introduced into two different crystal facet rod-shaped alpha-MnO2 catalysts using ion exchange technique. The Cs-doped alpha-MnO2 catalysts showed significantly improved catalytic performance in the total combustion of ethanol with low concentration compared to undoped catalysts. The introduction of cesium improved the low temperature reducibility and contributed to the generation of more surface Mn4+ and oxygen vacancies, leading to enhanced ethanol oxidation activity.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2022)

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Article Chemistry, Physical

Boosting the efficiencies of ethanol total combustion by Cs incorporation into rod-shaped alpha-MnO2 catalysts

Shuo Li et al.

Summary: In this study, cesium was introduced into two rod-shaped alpha-MnO2 with different crystal facets by ion exchange technique, resulting in improved catalytic performance and lower activation energy. Characterization using various techniques revealed that Cs doping enhanced the reducibility of the catalysts and promoted the generation of more reactive oxygen species, boosting ethanol oxidation activity. Incorporating Cs+ into alpha-MnO2 proved to be an effective strategy for designing low-cost, high-performance, and environmentally friendly metal oxide combustion catalysts.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2022)

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Article Environmental Sciences

Preparation of the Mn/Co mixed oxide catalysts for low-temperature CO oxidation reaction

Mojtaba Ghiassee et al.

Summary: Mn/Co mixed powders prepared by coprecipitation method showed excellent catalytic performance in low-temperature CO oxidation, with the best performance observed at a Mn/Co molar ratio of 1:1. Incorporation of 1wt.% Pd further enhanced the catalytic activity, with the catalyst exhibiting 100% CO conversion at 80 degrees C.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Chemistry, Physical

Tailoring the morphology and crystal facet of Mn3O4 for highly efficient catalytic combustion of ethanol

Yutao Dai et al.

Summary: Three nanoscale Mn3O4 catalysts with different morphologies were prepared and evaluated for ethanol combustion. The hexagonal nanoplates catalyst showed enhanced performance due to the (112) crystal facet with high surface energy, facilitating adsorption/activation of ethanol and oxygen. This study suggests that crystal facet engineering can be used to develop high performance, low cost, environmentally friendly manganese oxides catalysts.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2021)

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Article Energy & Fuels

Decoupling the size and support/metal loadings effect of Ni/SiO2 catalysts for CO2 methanation

Kang Wang et al.

Summary: This study investigates the effect of nickel particle size on CO2 methanation and demonstrates that small nickel nanoparticles supported on SiO2 can significantly enhance catalytic performance. In situ DRIFTS results suggest that small Ni particles favor the formation of key intermediates and thus promote the CO2 methanation reaction. These findings provide valuable insights for designing effective CO2 methanation catalysts by tuning the size of Ni nanoparticles.

FUEL (2021)

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Article Chemistry, Physical

Synthesis, characterization and catalytic activity of cryptomelane/montmorillonite composites

L. Vaculikova et al.

Summary: Manganese oxides are effective catalysts for the oxidation of VOCs, and MnO2/montmorillonite composites were prepared and characterized. The composites showed higher activity in toluene oxidation and the catalytic performance in ethanol combustion was influenced by the distribution of potassium between montmorillonites and cryptomelane.

APPLIED CLAY SCIENCE (2021)

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Article Chemistry, Physical

Remarkably efficient and stable Ni/Y2O3 catalysts for CO2 methanation: Effect of citric acid addition

Yingying Li et al.

Summary: The study demonstrates that the addition of citric acid affects the size of nickel nanoparticles and the interaction of metal and support, hence influencing the catalytic performance. The interfacial structure of Y-O-Ni formed at high citric acid addition is crucial for methane formation on Ni/Y2O3 catalysts.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Multidisciplinary

Transesterification of dimethyl carbonate with glycerol by perovskite-based mixed metal oxide nanoparticles for the atom-efficient production of glycerol carbonate

Jitpisut Poolwong et al.

Summary: Catalytic transesterification of glycerol with dimethyl carbonate using perovskites and perovskite-based mixed metal oxides (PBMMOs) was explored in this study. PBMMOs prepared via non-hydrolytic sol gel method exhibited higher surface areas and stronger basic sites compared to those produced by calcination. The most basic PBMMOs (SrTiO3-200, YNbO4-200, BaCeO3-200) showed the highest catalytic activity, with SrTiO3-200 achieving quantitative conversion of glycerol to glycerol carbonate under optimized conditions.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

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Article Chemistry, Applied

High-performance Co x M 3-x AlO y (M=Ni, Mn) catalysts derived from microwave -assisted synthesis of hydrotalcite precursors for methane catalytic combustion

Xionghua Fan et al.

CATALYSIS TODAY (2020)

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Article Chemistry, Physical

Role of oxygen vacancies and Mn4+/Mn3+ ratio in oxidation and dry reforming over cobalt-manganese spinel oxides

Gheorghita Mitran et al.

MOLECULAR CATALYSIS (2020)

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Article Materials Science, Ceramics

The effect of the calcination temperature of LaFeO3 precursors on the properties and catalytic activity of perovskite in methane oxidation

Barbara Kucharczyk et al.

CERAMICS INTERNATIONAL (2019)

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Article Chemistry, Physical

Promoting diesel soot combustion efficiency by tailoring the shapes and crystal facets of nanoscale Mn3O4

Fei Ji et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2019)

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Article Acoustics

Ultrasound-assisted hydrothermal method for the preparation of the M-Fe2O3-CuO (M: Mn, Ag, Co) mixed oxides nanocatalysts for low-temperature CO oxidation

Pegah Rezaei et al.

ULTRASONICS SONOCHEMISTRY (2019)

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Article Chemistry, Physical

A novel wormhole-like mesoporous hybrid MnCoOx catalyst for improved ethanol catalytic oxidation

Xiang Li et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2019)

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Article Chemistry, Multidisciplinary

Characterization and Catalytic Properties of Ni-Fe Spinel Catalysts for Total Oxidation of Ethanol

Rafik Benrabaa et al.

CHEMISTRYSELECT (2019)

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Article Thermodynamics

Electro-spraying and catalytic combustion characteristics of ethanol in meso-scale combustors with steel and platinum meshes

Yunhua Gan et al.

ENERGY CONVERSION AND MANAGEMENT (2018)

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Article Chemistry, Inorganic & Nuclear

The double peaks and symmetric path phenomena in the catalytic activity of Pd/Al2O3-TiO2 catalysts with different TiO2 contents

Shen Zhang et al.

JOURNAL OF SOLID STATE CHEMISTRY (2018)

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Article Chemistry, Physical

Crystal facet-dependent reactivity of α-Mn2O3 microcrystalline catalyst for soot combustion

Li Cheng et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2017)

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Article Chemistry, Physical

Nanostructured ceria-zirconia catalysts for CO oxidation: Study on surface properties and reactivity

Marco Piumetti et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2016)

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Article Chemistry, Physical

Understanding Plasmon and Band Gap Photoexcitation Effects on the Thermal-Catalytic Oxidation of Ethanol by TiO2-Supported Gold

Tze Hao Tan et al.

ACS CATALYSIS (2016)

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Article Nanoscience & Nanotechnology

Facile Fabrication of Mn2O3 Nanoparticle-Assembled Hierarchical Hollow Spheres and Their Sensing for Hydrogen Peroxide

Changming Cheng et al.

ACS APPLIED MATERIALS & INTERFACES (2015)

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Article Chemistry, Physical

1D-MnO2, 2D-MnO2 and 3D-MnO2 for low-temperature oxidation of ethanol

Bingyang Bai et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2015)

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Article Chemistry, Multidisciplinary

A high-efficiency gamma-MnO2-like catalyst in toluene combustion

Wenzhe Si et al.

CHEMICAL COMMUNICATIONS (2015)

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Shape-controlled activation of peroxymonosulfate by single crystal α-Mn2O3 for catalytic phenol degradation in aqueous solution

Edy Saputra et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2014)

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Article Chemistry, Physical

Mechanistic Study of CO Titration on CuxO/Cu(111) (x ≤ 2) Surfaces

Wei An et al.

CHEMCATCHEM (2014)

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Review Chemistry, Multidisciplinary

Morphology-dependent nanocatalysts: Rod-shaped oxides

Yong Li et al.

CHEMICAL SOCIETY REVIEWS (2014)

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Article Chemistry, Physical

Shape-Dependent Activity of Ceria in Soot Combustion

Eleonora Aneggi et al.

ACS CATALYSIS (2014)

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Article Chemistry, Physical

Oxalate route for promoting activity of manganese oxide catalysts in total VOCs' oxidation: effect of calcination temperature and preparation method

Wenxiang Tang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2014)

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In situ poly(methyl methacrylate)-templating generation and excellent catalytic performance of MnOx/3DOM LaMnO3 for the combustion of toluene and methanol

Yuxi Liu et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2013)

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The improved reactivity of manganese catalysts by Ag in catalytic oxidation of toluene

Zhenping Qu et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2013)

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Preparation and catalytic activity in ethanol combustion reaction of cobalt-iron spinel catalysts

Yasmina Hammiche-Bellal et al.

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Operando Raman spectroscopy and kinetic study of low-temperature CO oxidation on an α-Mn2O3 nanocatalyst

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Three-dimensionally ordered macroporous La0.6Sr0.4MnO3 with high surface areas: Active catalysts for the combustion of methane

Hamidreza Arandiyan et al.

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Effect of Ce and La on the structure and activity of MnOx catalyst in catalytic combustion of chlorobenzene

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APPLIED CATALYSIS B-ENVIRONMENTAL (2012)

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Ethanol adsorption and oxidation on bimetallic catalysts containing platinum and base metal oxide supported on MCM-41

Kamolwan Rintramee et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2012)

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Review Chemistry, Multidisciplinary

Recent Advances in Manganese Oxide Nanocrystals: Fabrication, Characterization, and Microstructure

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Manganese Oxides with Rod-, Wire-, Tube-, and Flower-Like Morphologies: Highly Effective Catalysts for the Removal of Toluene

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Active Oxygen on a Au/TiO2 Catalyst: Formation, Stability, and CO Oxidation Activity

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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2011)

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Morphological impact of manganese-cerium oxides on ethanol oxidation

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Boosting Catalytic Combustion of Ethanol by Tuning Morphologies and Exposed Crystal Facets of α-Mn2O3

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