4.7 Article

Role of ZrO2 crystal on the hydrodeoxygenation of methyl palmitate over NiMo/ZrO2 catalyst

Related references

Note: Only part of the references are listed.
Article Chemistry, Multidisciplinary

Regulation of Ni/Al2O3 catalysts by metal deposition procedures for selective hydrogenation of adiponitrile

Qi Zhao et al.

Summary: Understanding the roles of adiponitrile hydrogenation is crucial in designing nickel catalysts. Different Ni/Al2O3 catalysts were synthesized and characterized, showing that the use of different precipitators can modulate the catalyst's chemical structure and performance, ultimately affecting the selectivity and yield of adiponitrile hydrogenation.

NEW JOURNAL OF CHEMISTRY (2022)

Article Chemistry, Multidisciplinary

Tuning the Electron Density of Metal Nickel via Interfacial Electron Transfer in Ni/MCM-41 for Efficient and Selective Catalytic Hydrogenation of Halogenated Nitroarenes

Lei Huang et al.

Summary: In this study, modified MCM-41 supported nickel-based catalysts were used for the hydrogenation of halogenated nitrobenzene. The catalysts modified with Sn or La showed improved catalytic performance, and the mechanism behind it was explained.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

Article Chemistry, Physical

Hydrodeoxygenation of non-edible bio-lipids to renewable hydrocarbons over mesoporous SiO2-TiO2 supported NiMo bimetallic catalyst

Lin Fu et al.

Summary: A mesoporous Ni-Mo/SiO2-TiO2 catalyst was prepared and used for fatty acid hydrodeoxygenation with high yield and selectivity. Experimental results showed that Mo-addition and adjusting Ti/Si molar ratio significantly influenced HDO selectivity.

APPLIED CATALYSIS A-GENERAL (2022)

Article Energy & Fuels

Defect-rich ZrO2 anchored Pd nanoparticles for selective hydrodeoxygenation of bio-models at room temperature

Jingyun Jiang et al.

Summary: The selective hydrodeoxygenation (HDO) of bio-models using defect-rich ZrO2 anchored Pd nanoparticles was investigated in this study. It was found that the addition of template agent CTAB can regulate the oxygen vacancies of Pd/ZrO2(x) catalysts, improving their performance. The Pd/ZrO2(0.5) catalyst with the highest oxygen defect content exhibited excellent catalytic activity towards vanillin HDO at 25 degrees C.
Article Engineering, Chemical

In Situ Fabrication of the Al2O3@NiMo Core-Shell Catalyst from LDH for Low-Pressure Hydrodeoxygenation of Fatty Acid Methyl Ester

Shudong Wang et al.

Summary: In this study, a core-shell catalyst (Al2O3@NiMo-LDO) with excellent hydrothermal stability and high activity selectivity was successfully synthesized, which can efficiently convert bio-oil model compounds to liquid alkanes under low pressure.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022)

Article Engineering, Chemical

Low-Temperature Hydrogenation of Methyl Acetate to Ethanol over a Manganese-Modified Cu/SiO2 Catalyst

Wenting Yang et al.

Summary: This study investigates the hydrogenation of methyl acetate (MA) using manganese-modified Cu/SiO2 catalysts, showing that the optimal catalyst with a Cu/Mn ratio of 1.6 exhibits excellent activity and stability at a lower reaction temperature of 180 degrees C. The surface Mn2+-O-v defect is identified as one of the main active sites, promoting the adsorption and activation of C=O/C-O bonds in the MA molecules.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022)

Review Chemistry, Inorganic & Nuclear

ZrO2-based catalysts for biodiesel production: A review

Is Fatimah et al.

Summary: This review focuses on the application of ZrO2-based catalysts in biodiesel production and emphasizes the importance of catalyst recyclability and ensuring its applicability in sustainable processes through life cycle assessment.

INORGANIC CHEMISTRY COMMUNICATIONS (2022)

Article Chemistry, Physical

Defect engineering over Co3O4 catalyst for surface lattice oxygen activation and boosted propane total oxidation

Wenjun Zhu et al.

Summary: A surface defect engineering strategy was developed to regulate surface lattice oxygen species in Co3O4 catalyst via alkaline-earth metal doping-etching. The synthesized Ca-Co3O4-Ac catalyst exhibited remarkable catalytic activity and stability in propane oxidation. The doping-etching strategy increased the specific surface area, low-temperature reducibility, and oxygen mobility of the Co3O4 catalyst. Active lattice oxygen species induced by the strategy promoted propane activation on the catalyst surface.

JOURNAL OF CATALYSIS (2022)

Article Chemistry, Physical

One-step synthesis of highly active and stable Ni-ZrO2 catalysts for the conversion of methyl laurate to alkanes

Huiru Yang et al.

Summary: A series of Ni-ZrO2 catalysts with different Ni loading were prepared and evaluated for methyl laurate conversion. The 10Ni-ZrO2 catalyst showed the smallest Ni crystal size, the highest atomic content of surface Ni0, surface oxygen vacancy and Ni-O-Zr interfaces, and exhibited the highest activity and stability in the conversion of methyl laurate to alkanes. The catalyst also demonstrated wide applicability for transforming crude oils into alkanes.

JOURNAL OF CATALYSIS (2022)

Article Nanoscience & Nanotechnology

Steerable Engineering of Nickel Molybdenum Carbonitride Nanostructures for Catalytic Regioselectivity Cleavage of C-O and C-C Bonds in Deoxygenation of Methyl Palmitate

Xiaozhen Chen et al.

Summary: Efficient catalytic process and highly efficient catalysts are crucial for the removal of oxygen from fatty esters in bioenergy. In this study, nickel molybdenum carbonitride (NixMoCN) nanostructures were obtained from pyrolysis of a NiMo-based precursor and showed excellent catalytic properties in the deoxygenation of methyl palmitate, achieving high conversion and deoxygenation degree.

ACS APPLIED NANO MATERIALS (2022)

Article Chemistry, Physical

Co3Mo3N as an alternative for noble-metal catalysts in hydrodeoxygenation of methyl palmitate to diesel range hydrocarbons

Jiequan Wang et al.

Summary: In this study, a highly efficient non-noble-metal catalyst was developed for hydrodeoxygenation (HDO) of fatty triglycerides into diesel range hydrocarbons. The cobalt-molybdenum bimetallic catalyst with an optimized structure and electronic coordination environment showed excellent conversion efficiency and stability under mild conditions.

SUSTAINABLE ENERGY & FUELS (2022)

Article Engineering, Environmental

The promotion effects of MoOx species in the highly effective NiMo/MgAl2O4 catalysts for the hydrodeoxygenation of methyl palmitate

Chunxiu Yang et al.

Summary: This study successfully designed NiMo/MgAl2O4 catalysts for the hydrodeoxygenation of methyl palmitate, and the introduction of MoOx species improved the catalytic performance and stability, resulting in higher hexadecane yield and less carbon emission.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

Article Chemistry, Physical

Atomically-ordered active sites in NiMo intermetallic compound toward low-pressure hydrodeoxygenation of furfural

Wei Liu et al.

Summary: This study demonstrates the superior catalytic performance of a NiMo intermetallic compound (IMC) catalyst in furfural hydrodeoxygenation (HDO) to 2-methylfuran (2-MF), highlighting the decisive effect of atomically-ordered active sites on activation of oxygen-containing functional groups and product selectivity. The ordered Ni-Mo bimetallic sites in IMC facilitate the activation and cleavage of C-OH bonds in intermediates, leading to enhanced production of 2-MF, which can potentially be extended to catalytic upgrading of biomass-derived platform molecules.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

Phase tuning of ZrO2 supported cobalt catalysts for hydrodeoxygenation of 5-hydroxymethylfurfural to 2,5-dimethylfuran under mild conditions

Tianci Xiao et al.

Summary: The crystal structure of catalyst support plays a significant role in influencing its surface and electronic properties, thereby affecting catalytic activity. By preparing monoclinic, tetragonal, and mixed phase Co/ZrO2 catalysts, different hydrogenation and hydrogenolysis activities were observed in the conversion of HMF to DMF. The interaction between cobalt and t-ZrO2 resulted in higher hydrogenation activity, while the presence of acid concentration on the surface of Co/m-ZrO2 led to higher efficiency in hydrogenolysis reactions. The combination of high hydrogenation and hydrogenolysis activities in Co/Mix-ZrO2 achieved the highest yield of DMF under mild conditions.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

Advances in Understanding the Selective Hydrogenolysis of Biomass Derivatives

Yang Sik Yun et al.

Summary: Biomass has received considerable attention as an alternative to petrochemicals in the production of valuable chemicals and fuels. This Perspective discusses significant advancements in understanding the reaction networks and mechanisms, reactive intermediates, and active site motifs for selective production of desired compounds through hydrogenolysis over heterogeneous catalysts. Continuing research into hydrogenolysis reactions faces current challenges and provides opportunities for future exploration.

ACS CATALYSIS (2021)

Article Chemistry, Physical

Insights into the Influence of ZrO2 Crystal Structures on Methyl Laurate Hydrogenation over Co/ZrO2 Catalysts

Yingdong Zhou et al.

Summary: In the study, it was found that Co/mix-ZrO2 catalyst showed the highest activity and stability for methyl laurate hydrogenation, with the oxygen vacancies and exposed Co crystal planes playing important roles in influencing the reaction.

ACS CATALYSIS (2021)

Article Chemistry, Multidisciplinary

Selective Hydrogenation of Methyl Palmitate to Cetyl Alcohol via Ternary Synergistic Catalysis of Ni, Oxygen Vacancies, and Lewis Acid Sites under Mild Reaction Conditions

Xincheng Cao et al.

Summary: Selective hydrogenation of fatty esters into fatty alcohols using non-noble-metal catalysts is desirable for natural oils utilization. In this study, a Ni-VOx/TiO2 catalyst system showed high efficiency in converting methyl palmitate to cetyl alcohol under mild conditions. The synergistic action of Ni, oxygen vacancies, and Lewis acid sites was found to be responsible for the high selectivity in alcohol production.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Chemistry, Multidisciplinary

Cooperative Effects between Ni-Mo Alloy Sites and Defective Structures over Hierarchical Ni-Mo Bimetallic Catalysts Enable the Enhanced Hydrodeoxygenation Activity

Yaowen Zhang et al.

Summary: By adjusting the Mo species content in bimetallic Ni-Mo catalysts, the optimization of guaiacol deoxygenation reaction performance can be achieved. The synergistic effect between Ni-Mo alloy sites and defective MoOx structures helps accelerate the reaction process.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Chemistry, Multidisciplinary

Chemoselective hydrogenation of cinnamaldehyde over a tailored oxygen-vacancy-rich Pd@ZrO2 catalyst

Komal N. Patil et al.

Summary: The development of oxygen vacancies in Pd@ZrO2 catalysts through a two-step synthesis method was studied, and it was found that the synergistic effect between oxygen vacancies and nano-sized active Pd metals played a crucial role in enhancing the selectivity for the hydrogenation of cinnamaldehyde to hydrocinnamaldehyde. The optimized reaction parameters, including 4 wt% Pd loading, 100 degrees C temperature, and 10 bar H-2 pressure, were identified to provide efficient conversion of cinnamaldehyde with high yield and excellent recyclability of the catalyst, making oxygen-vacancy-rich Pd@ZrO2 catalysts promising for industrial applications.

NEW JOURNAL OF CHEMISTRY (2021)

Article Chemistry, Physical

Ni/Y2O3-ZrO2 catalyst for hydrogen production through the glycerol steam reforming reaction

N. D. Charisiou et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

Review Chemistry, Multidisciplinary

Design of supported metal catalysts modified with metal oxides for hydrodeoxygenation of biomass-related molecules

Keiichi Tomishige et al.

CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY (2020)

Review Green & Sustainable Science & Technology

Green and renewable bio-diesel produce from oil hydrodeoxygenation: Strategies for catalyst development and mechanism

Shuang Chen et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

Article Chemistry, Physical

Developing Nickel-Zirconia Co-Precipitated Catalysts for Production of Green Diesel

Georgios Zafeiropoulos et al.

CATALYSTS (2019)

Article Chemistry, Multidisciplinary

Does a Strong Oxophilic Promoter Enhance Direct Deoxygenation? A Study of NiFe, NiMo, and NiW Catalysts in p-Cresol Conversion

Pei-Ju Hsu et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

Article Energy & Fuels

Hydrodesulfurization of Thiophene on Activated Carbon Fiber Supported NiMo Catalysts

Yogendra Nath Prajapati et al.

ENERGY & FUELS (2018)

Article Chemistry, Physical

Efficient hydrogenation of stearic acid over carbon coated Ni-Fe catalyst

Xiangqian Kong et al.

JOURNAL OF CATALYSIS (2018)

Article Thermodynamics

Deoxygenation of palm kernel oil to jet fuel-like hydrocarbons using Ni-MoS2/γ-Al2O3 catalysts

Vorranutch Itthibenchapong et al.

ENERGY CONVERSION AND MANAGEMENT (2017)

Article Chemistry, Physical

Efficient Hydrogenation of Various Renewable Oils over Ru-HAP Catalyst in Water

Guangyue Xu et al.

ACS CATALYSIS (2017)

Article Chemistry, Multidisciplinary

Structural Properties and Reactivity Trends of Molybdenum Oxide Catalysts Supported on Zirconia for the Hydrodeoxygenation of Anisole

Manish Shetty et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2017)

Article Nanoscience & Nanotechnology

Mesoporous ZrO2 Nanoframes for Biomass Upgrading

Haiqing Wang et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

Article Chemistry, Physical

Elucidation of the active phase in PtSn/SAPO-11 for hydrodeoxygenation of methyl palmitate

Ning Chen et al.

JOURNAL OF CATALYSIS (2016)

Review Chemistry, Physical

Bifunctional Catalysts for Upgrading of Biomass-Derived Oxygenates: A Review

Allison M. Robinson et al.

ACS CATALYSIS (2016)

Review Chemistry, Physical

Review: monoclinic zirconia, its surface sites and their interaction with carbon monoxide

Sonja Kouva et al.

CATALYSIS SCIENCE & TECHNOLOGY (2015)

Article Chemistry, Physical

Decarboxylation of oleic acid over Pt catalysts supported on small-pore zeolites and hydrotalcite

M. Ahmadi et al.

CATALYSIS SCIENCE & TECHNOLOGY (2015)

Article Chemistry, Multidisciplinary

Improved Hydrothermal Stability of Mesoporous Oxides for Reactions in the Aqueous Phase

Hien N. Pham et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2012)

Article Chemistry, Physical

Deactivation of HDS catalysts in deoxygenation of vegetable oils

David Kubicka et al.

APPLIED CATALYSIS A-GENERAL (2011)

Article Chemistry, Physical

Hydrodeoxygenation of oleic acid and canola oil over alumina-supported metal nitrides

Jacques Monnier et al.

APPLIED CATALYSIS A-GENERAL (2010)

Article Chemistry, Physical

Hydrogen production by auto-thermal reforming of ethanol over nickel catalyst supported on metal oxide-stabilized zirconia

Min Hye Youn et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2010)