Articles with "solid base" as a keyword



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Dimethyl carbonate synthesis over solid base catalysts derived from Ca–Al layered double hydroxides

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Published in 2018 at "Chemical Papers"

DOI: 10.1007/s11696-018-0408-8

Abstract: AbstractThe Ca–Al oxide catalysts are prepared via thermal decomposition of Ca–Al layered double hydroxide precursors and characterized by XRD, TG, SEM, BET, CO2-TPD, Hammett indicators, XPS and ICP techniques. The obtained catalysts are then tested… read more here.

Keywords: derived layered; layered double; catalysts derived; base catalysts ... See more keywords
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Elucidating the effect of solid base on the hydrogenation of C5 and C6 sugars over Pt-Sn bimetallic catalyst at room temperature.

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Published in 2021 at "Carbohydrate research"

DOI: 10.1016/j.carres.2021.108341

Abstract: Conversion of sugars into sugar alcohols at room temperature with exceedingly high yields are achieved over Pt-Sn/γ-Al2O3 catalyst in the presence of calcined hydrotalcite. pH of the reaction mixture significantly affects the conversion and selectivity… read more here.

Keywords: effect solid; hydrogenation; room temperature; base ... See more keywords
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Effects of solid base catalysts on depolymerization of alkali lignin for the production of phenolic monomer compounds

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Published in 2021 at "Renewable Energy"

DOI: 10.1016/j.renene.2021.04.039

Abstract: Abstract Different solid base catalysts such as CaO/CeO2, CaO/Al2O3, and CaO/ZrO2 were used for the depolymerization of alkali lignin. Various reaction parameters including reaction solvents (ethanol and methanol), time (30, 60, 90 and 120 min.)… read more here.

Keywords: bio oil; solid base; reaction; oil ... See more keywords
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Azobenzene-Functionalized UiO-66-NH2: Solid Base Catalysts with Photocontrollable Activity.

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.3c00813

Abstract: Heterogeneous solid base catalysts are highly expected due to their high activity and environmentally friendly nature in a variety of reactions. However, the catalytic activity of traditional solid base catalysts is controlled by external factors… read more here.

Keywords: base catalysts; uio nh2; activity; solid base ... See more keywords
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Selective Glucose Isomerization to Fructose via a Nitrogen-doped Solid Base Catalyst Derived from Spent Coffee Grounds

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Published in 2018 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.8b02752

Abstract: In this work, glucose isomerization to fructose was conducted via a solid base biochar catalyst derived from spent coffee grounds and melamine. The X-ray photoelectron spectroscopy spectra identified the majority of pyridinic nitrogen on the… read more here.

Keywords: glucose isomerization; catalyst derived; base; isomerization fructose ... See more keywords

Catalytic Synthesis of Alkyl-α,ω-diyl Dimethyl Dicarbonate via Transesterification by Solid Base

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Published in 2018 at "Chemistry Letters"

DOI: 10.1246/cl.180460

Abstract: The catalytic synthesis of alkyl-α,ω-diyl dimethyl dicarbonate was achieved firstly by solid base via transesterification of aliphatic diols with dimethyl carbonate under atmospheric pressure. The ... read more here.

Keywords: alkyl diyl; dimethyl dicarbonate; diyl dimethyl; catalytic synthesis ... 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