Articles with "carbonylation methanol" as a keyword



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Influence of dehydrating agents on the oxidative carbonylation of methanol for dimethyl carbonate synthesis over a Cu/Y-zeolite catalyst

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Published in 2018 at "Chinese Journal of Chemical Engineering"

DOI: 10.1016/j.cjche.2018.02.018

Abstract: Abstract The influence of the dehydration by metal oxides on the synthesis of dimethyl carbonate (DMC) via oxidative carbonylation of methanol was studied. A Cu/Y-zeolite catalyst was prepared by the ion exchange method from CuCl… read more here.

Keywords: dehydrating agents; oxidative carbonylation; zeolite catalyst; influence ... See more keywords
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Carbonylation of methanol to methyl acetate over Cu/TiO2-SiO2 catalysts: Influence of copper precursors

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Published in 2018 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2018.06.022

Abstract: Abstract In the present study, three kinds of copper/titania-silica mixed oxides (Cu/TS) catalysts were prepared using copper chloride, copper nitrate, and copper acetate as copper precursors by the sol-gel method. The catalytic performance was tested… read more here.

Keywords: copper precursors; methyl acetate; carbonylation methanol; copper ... See more keywords
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An efficient strategy to improve the catalytic activity of CuY for oxidative carbonylation of methanol: Modification of NaY by H4EDTA-NaOH sequential treatment

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110500

Abstract: Abstract The micropore of the pristine NaY zeolite limits the number of active center Cu+ as well as the diffusion of reactant and product molecules, meanwhile, owing to its small size of hexagonal prisms and… read more here.

Keywords: h4edta naoh; treatment; carbonylation methanol; oxidative carbonylation ... See more keywords
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Theoretical Analysis of Oxidative Carbonylation of Methanol: Saegusa’s Scheme of Dimethylcarbonate Synthesis over Binuclear Cationic Oxo-Clusters in CuNaX Zeolite

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b10341

Abstract: Possible mechanism of oxidative carbonylation of methanol via >Cu(OCH3)2Cu< binuclear cationic oxo-clusters in the CuNaX zeolite with Cu2+ cations is analyzed theoretically within the scope of periodic boundary conditions with VASP. Such scheme was first… read more here.

Keywords: scheme; carbonylation methanol; oxidative carbonylation; oxo clusters ... See more keywords