Effect of the Composition of Ethanol–Water Mixtures on the Properties of Oxide (Zn-Zr-Si) and Zeolitic (Ta/SiBEA) Catalysts in the Production of 1,3-Butadiene
Sign Up to like & getrecommendations! Published in 2019 at "Theoretical and Experimental Chemistry"
DOI: 10.1007/s11237-019-09618-1
Abstract: The reasons for the deactivating effect of water on the conversion of ethanol to 1,3-butadiene in the presence of Zn-Zr(La)-Si oxide and Cu(Ag, Zn)/Ta/SiBEA zeolite catalysts are studied. The decrease in the yield of 1,3-butadiene… read more here.
Keywords: water mixtures; water; butadiene; effect ... See more keywords
Cluster formation and percolation in ethanol-water mixtures
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2017.09.003
Abstract: Abstract Results of systematic molecular dynamics studies of ethanol-water mixtures, over the entire concentration range, were reported previously that agree with experimental X-ray diffraction data. These simulated systems are analyzed in this work to examine… read more here.
Keywords: water mixtures; water; percolation; cluster formation ... See more keywords
An experimental FTIR-ATR and computational study of H-bonding in ethanol/water mixtures
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2021.111295
Abstract: Abstract Ethanol/water mixtures have served as a model to study the hydrophobic effect and the formation of clathrate and other cage like water formations around the hydrophobic end of ethanol. We have studied the evolution… read more here.
Keywords: water; study; water mixtures; experimental ftir ... See more keywords
Photophysical study of an alkaloid harmaline in 1,4-dioxane-water mixtures
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2018.05.083
Abstract: Abstract In this article we have studied the photophysics of an alkaloid harmaline in 1,4-dioxane-water mixtures. It was known that the microstructure of this binary mixture changes upon varying the mole fraction of 1,4-dioxane in… read more here.
Keywords: harmaline dioxane; dioxane water; water mixtures; dioxane ... See more keywords
Dispersion and electrokinetics of scattered objects in ethanol-water mixtures
Sign Up to like & getrecommendations! Published in 2019 at "Fluid Phase Equilibria"
DOI: 10.1016/j.fluid.2018.10.013
Abstract: Abstract Scattered objects ranging from 100 to 300 nm were detected in ethanol-water mixtures at increasing concentrations – 10–90% v/v ethanol using a particle size analyzer. To evaluate the structural transitions, two mechanisms of nanostructure formation… read more here.
Keywords: water; scattered objects; water mixtures; ethanol water ... See more keywords
Characterizing oils in oil-water mixtures inside porous media by Overhauser dynamic nuclear polarization
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2019.116107
Abstract: Abstract We present a method to identify and sort the oils in oil-water mixtures based on the Overhauser dynamic nuclear polarization (ODNP) enhancement at low field. Through combining two types of radicals, e.g. ODNP enhancer… read more here.
Keywords: oil water; water mixtures; porous media; oils oil ... See more keywords
Solvent effect and preferential solvation of cefpiramide in cosolvent plus water mixtures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2018.12.027
Abstract: Abstract The preferential solvation parameters (δx1,3) of cefpiramide in two cosolvent mixtures of ethanol (1) + water (2), and isopropanol (1) + water (2) were derived from their available solubility data by means of the inverse Kirkwood–Buff integrals method.… read more here.
Keywords: water; cosolvent; preferential solvation; water mixtures ... See more keywords
Colloidal Stabilization of Submicron-Sized Zeolite NaA in Ethanol–Water Mixtures for Nanostructuring into Thin Films and Nanofibers
Sign Up to like & getrecommendations! Published in 2022 at "Langmuir"
DOI: 10.1021/acs.langmuir.2c02241
Abstract: Despite the growing use of organic or mixed solvents in zeolite processing, most studies focus only on aqueous suspension systems. We investigated the colloidal characteristics of submicron-sized zeolite NaA in mixed ethanol–water solvents. The effects… read more here.
Keywords: zeolite naa; submicron sized; ethanol water; sized zeolite ... See more keywords
Dynamics of uncrystallized water in partially crystallized poly(ethylene glycol)-water mixtures studied by dielectric spectroscopy
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DOI: 10.1038/pj.2017.15
Abstract: The dielectric relaxation process of water has been investigated for a partially crystallized poly(ethylene glycol) (PEG)–water mixture with PEG concentrations of up to 50 wt% at temperatures between −60 and 25 °C and over the frequency… read more here.
Keywords: relaxation; water mixtures; water; spectroscopy ... See more keywords
Amphiphobic polyHIPEs with pH-triggered transition to hydrophilicity–oleophobicity for the controlled removal of water from oil–water mixtures
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DOI: 10.1039/d0py01144d
Abstract: While emulsion-templated porous polymers (polyHIPEs) with pH-controlled wetting behaviours are advantageous for the removal of oils from oil–water mixtures, they are easily clogged by oils and are not suitable for separating mixtures consisting of a… read more here.
Keywords: oil water; water mixtures; water; hydrophilicity oleophobicity ... See more keywords
Nano-to-meso structure of cellulose nanocrystal phases in ethylene-glycol-water mixtures.
Sign Up to like & getrecommendations! Published in 2020 at "Soft matter"
DOI: 10.1039/d0sm01025a
Abstract: The self-assembly and phase behavior of cellulose nanocrystals (CNCs) in binary liquid mixtures of ethylene-glycol (EG):water was investigated. Our findings indicate that a small fraction of water delays the onset of colloidal jammed states previously… read more here.
Keywords: water mixtures; water; glycol water; nano meso ... See more keywords