Articles with "base catalyst" as a keyword



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Cs-Beta with an Al-rich composition as a highly active base catalyst for Knoevenagel condensation

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Published in 2019 at "Applied Catalysis A: General"

DOI: 10.1016/j.apcata.2019.02.014

Abstract: Abstract Ion-exchange of an Al-rich zeolite beta, synthesized by organic structure-directing agent-free method (Beta-OF), was studied for application as a base catalyst. While the as-synthesized Beta-OF in Na-form itself had base sites and showed moderate… read more here.

Keywords: beta; base catalyst; knoevenagel condensation; base ... See more keywords
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Polyvinyl amine as a modified and grafted shell for Fe3O4 nanoparticles: As a strong solid base catalyst for the synthesis of various dihydropyrano[2,3-c]pyrazole derivatives and the Knoevenagel condensation

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Published in 2019 at "Journal of Saudi Chemical Society"

DOI: 10.1016/j.jscs.2018.05.008

Abstract: Abstract In this work, we reported one-step deposition of polyacrylamide on nano-magnetite surface via a simple and in situ polymerization of acryl amide to form n-Fe3O4/PAM nanocomposite. The amide (–CONH2) groups could be converted easily… read more here.

Keywords: base catalyst; catalyst; various dihydropyrano; pyrazole derivatives ... See more keywords
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Ba-doped vs. Sr-doped LaCoO3 perovskites as base catalyst in diesel exhaust purification

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Published in 2020 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2020.110913

Abstract: Abstract Perovskites (ABO3) have emerged in recent years as an economic alternative to noble metals for oxidation-reduction reactions in diesel engines aftertreatment systems. Sr-doped La1-xSrxCoO3 perovskites have shown high efficiency in NO oxidation and limited… read more here.

Keywords: reduction; oxidation; base catalyst; efficiency ... See more keywords
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Synthesis, characterization, and catalytic activity of a water soluble copper(II) and nickel(II) heterobimetallic complex [CuNi(μ-OH)(μ-OH2)(μ-OAc)(bpy)2](ClO4)2 in aqueous medium in the absence of a base and co-catalyst

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Published in 2017 at "Journal of Coordination Chemistry"

DOI: 10.1080/00958972.2017.1358812

Abstract: Abstract A copper(II)–nickel(II)-based catalyst system has been synthesized and characterized by elemental analysis, molar conductance, mass spectra, magnetic moment, EPR, UV-Vis, IR spectroscopy, and cyclic voltammetry. The structure of the complex was established by X-ray… read more here.

Keywords: copper nickel; catalyst; absence base; base catalyst ... See more keywords
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Sodium Silicates Modified Calcium Oxide as a High-Performance Solid Base Catalyst for Biodiesel Production

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Published in 2023 at "Catalysts"

DOI: 10.3390/catal13040775

Abstract: Under the energy crisis and with greenhouse gases causing an ecological imbalance, biofuel has attracted worldwide attention due to its sustainability and low net-carbon emission. For years, the traditional biodiesel industry has been demanding a… read more here.

Keywords: catalyst; performance solid; solid base; base catalyst ... See more keywords