Mesoporous electronegative nanocomposites of SBA-15 with CaO–CeO2 for polycarbonate depolymerization
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science"
DOI: 10.1007/s10853-019-03560-2
Abstract: The depolymerization of polycarbonate (PC) into bisphenol A (BPA) is performed by defective xCaO/Ce-SBA-15 nanocomposite assisted by plasma treatment. For such composite catalyst, CaO and CeO2 particles are finely encapsulated into the tubular SBA-15 without… read more here.
Keywords: polycarbonate; depolymerization; surface; cao ceo2 ... See more keywords
Characterization of Acid and Basic Sites on Zirconia Surfaces and Nanoparticles by Adsorbed Probe Molecules: A Theoretical Study
Sign Up to like & getrecommendations! Published in 2020 at "Topics in Catalysis"
DOI: 10.1007/s11244-020-01328-6
Abstract: Acid and basic sites on monoclinic and tetragonal zirconia were investigated at the DFT level by computing IR and NMR properties of adsorbed probe molecules. Regular and stepped ZrO2 surfaces as well as stoichiometric zirconia… read more here.
Keywords: acid basic; study; basic sites; adsorbed probe ... See more keywords
The effect of adsorbed oxygen species on carbon-resistance of Ni-Zr catalyst modified by Al and Mn for dry reforming of methane
Sign Up to like & getrecommendations! Published in 2021 at "Catalysis Today"
DOI: 10.1016/j.cattod.2021.03.004
Abstract: Abstract Dry reforming of methane was investigated over Ni-Zr catalysts modified by Aluminum and Manganese. The catalysts were characterized by XRD, CO2-TPD, XPS, TGA, and Raman. Among all prepared catalysts, the 5Al-5 Mn (5 wt% Al and… read more here.
Keywords: dry reforming; catalyst; basic sites; oxygen species ... See more keywords
Methanation of CO2 over nickel catalysts: Impacts of acidic/basic sites on formation of the reaction intermediates
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116521
Abstract: Abstract Methanation of carbon oxides is an important route to produce synthetic gas for civil use. Understanding acidic/basic properties of catalyst on the reaction intermediates in methanation provides important information for developing highly active catalysts.… read more here.
Keywords: reaction intermediates; basic sites; acidic basic; co2 ... See more keywords
Contributions of acidic-basic sites on hybridized FER@g-C3N4 for liquid-phase decarboxylation of naphthenic acids
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.120679
Abstract: Abstract The efficient removal method of acidic and corrosive organic naphthenic acids (NAs) in heavy crude oils such as benzoic acid as a model acidic component was investigated for a liquid-phase decarboxylation reaction. A novel… read more here.
Keywords: c3n4; decarboxylation; acidic basic; naphthenic acids ... See more keywords
Influence of Support Basic Sites in Green Oxidation of Biobased Substrates Using Au-Promoted Catalysts
Sign Up to like & getrecommendations! Published in 2018 at "ACS Sustainable Chemistry & Engineering"
DOI: 10.1021/acssuschemeng.8b03330
Abstract: We report herein HMF (5-hydroxymethylfurfural) and furfural oxidation to 2,5-furandicarboxylic (FDCA) and furoic acids, respectively, in water, under base-free conditions and using supported gold nanoparticles. Prepared catalysts showed high catalytic activity under environmentally friendly conditions.… read more here.
Keywords: support basic; oxidation; sites green; basic sites ... See more keywords
Pinpointing basic sites formed upon incorporation of iron in hierarchical SAPO-11 using catalytic model reactions.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt02263j
Abstract: By utilizing previously established catalytic model reactions, a method for probing the topological location of transition metal sites incorporated in hierarchical silicoaluminophosphates (SAPOs) is presented. For the first time, iron(III)-incorporated hierarchical SAPO-11 (FeCTAB-11) was prepared… read more here.
Keywords: iron; sapo; model reactions; catalytic model ... See more keywords
The Roles of the Structure and Basic Sites of Sodium Titanates on Transesterification Reactions to Obtain Biodiesel
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DOI: 10.3390/catal9120989
Abstract: Sodium titanates were evaluated as heterogeneous catalysts for biodiesel production. Materials were prepared using an experimental design considering NaOH and TiO2 concentrations and hydrothermal and calcination temperatures as input variables. Materials characterization was carried out… read more here.
Keywords: structure basic; sodium titanates; roles structure; sodium ... See more keywords
Design of Amine-Modified Zr–Mg Mixed Oxide Aerogel Nanoarchitectonics with Dual Lewis Acidic and Basic Sites for CO2/Propylene Oxide Cycloaddition Reactions
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12193442
Abstract: The utilization of CO2 attracts much research attention because of global warming. The CO2/epoxide cycloaddition reaction is one technique of CO2 utilization. However, homogeneous catalysts with both Lewis acidic and basic and toxic solvents, such… read more here.
Keywords: lewis acidic; mixed oxide; cycloaddition reactions; basic sites ... See more keywords