Articles with "aqueous phase" as a keyword



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Sustainable Membrane Production through Polyelectrolyte Complexation Induced Aqueous Phase Separation

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201907344

Abstract: Nonsolvent induced phase separation (NIPS) is the most common approach to produce polymeric membranes. Unfortunately, NIPS relies heavily on aprotic organic solvents like N-methyl-pyrrolidone. These solvents are unsustainable, repro-toxic for humans and are therefore becoming… read more here.

Keywords: phase separation; aqueous phase; complexation induced; polyelectrolyte complexation ... See more keywords
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Mechanistic Insights into Aqueous Phase Propanol Dehydration in H-ZSM-5 Zeolite

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Published in 2017 at "Aiche Journal"

DOI: 10.1002/aic.15517

Abstract: Aqueous phase dehydration of 1-propanol over H-ZSM-5 zeolite was investigated using density functional theory (DFT) calculations. The water molecules in the zeolite pores prefer to aggregate via the hydrogen bonding network and be protonated at… read more here.

Keywords: aqueous phase; water; propanol; zsm zeolite ... See more keywords
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Synergistic bimetallic Ru-Pt catalysts for the low-temperature aqueous phase reforming of ethanol

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Published in 2018 at "AIChE Journal"

DOI: 10.1002/aic.16430

Abstract: Aqueous phase reforming (APR) of ethanol has been studied over a series of Ru and Pt catalysts supported on carbon and titania, with different metal loadings and particle sizes. This study proposed that, on both… read more here.

Keywords: phase reforming; aqueous phase; synergistic bimetallic; bimetallic catalysts ... See more keywords
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Selective conversion of HMF into 3-hydroxymethylcyclopentylamine through a one-pot cascade process in aqueous phase over bimetallic NiCo nanoparticles as catalyst.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202200194

Abstract: 5-hydroxymethylfurfural (HMF) has been successfully valorised into 3-hydroxymethyl cyclopentylamine through a one-pot cascade process in aqueous phase by coupling the hydrogenative ring-rearrangement of HMF into 3-hydroxymethylcyclopentanone (HCPN) followed by the reductive amination with ammonia. Mono… read more here.

Keywords: pot cascade; one pot; aqueous phase; hmf ... See more keywords
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Differences in Engineered Nanoparticle Surface Physicochemistry Revealed by Investigation of Changes in Copper Bioavailability During Sorption to Nanoparticles in the Aqueous Phase.

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Published in 2019 at "Environmental toxicology and chemistry"

DOI: 10.1002/etc.4378

Abstract: Sorption of chemical substances to nanoparticles (NPs) in the aqueous phase strongly influences NP physicochemisty, and investigations of these complex interactions can provide important insights into the environmental fate of NPs. The objective of the… read more here.

Keywords: aqueous phase; bioavailability; surface; chemistry ... See more keywords
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Covalent Networking of a Conjugated‐Polymer Photocatalyst to Promote Exciton Diffusion in the Aqueous Phase for Efficient Hydrogen Production

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Published in 2022 at "Small Methods"

DOI: 10.1002/smtd.202200010

Abstract: A conjugated polymer particle in an aqueous phase is covalently networked in 3D by crosslinking with azide groups, leading to significantly enhanced activity—a high photocatalytic H2 evolution rate (11 024 µmol g−1 h−1 (λ >… read more here.

Keywords: exciton diffusion; aqueous phase; conjugated polymer; phase efficient ... See more keywords
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Development of the hierarchical ETS-10 zeolite catalyst for improving the aqueous-phase biomass hydrodeoxygenation activity

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04785-2

Abstract: An imidazolium-based ionic liquid (IL) was employed and modified by sodium lignosulfonate (LnNa) to synthesize hierarchical ETS-10 zeolite with porous structure, morphology and surface properties effectively adjusted. The template and structure-directing effects of both IL… read more here.

Keywords: phase biomass; aqueous phase; ets zeolite; structure ... See more keywords
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Structure and stability of W1/O/W2 emulsions as influenced by WPC and NaCl in inner aqueous phase

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Published in 2020 at "Journal of Food Science and Technology"

DOI: 10.1007/s13197-020-04383-9

Abstract: Effect of WPC and NaCl in internal aqueous phase (W1) of W1/O/W2 type double emulsions was studied. Pre-emulsion and final emulsion were prepared using microfluidizer and Ultra-Turrax high shear mixer, respectively. The emulsions prepared using… read more here.

Keywords: double emulsions; aqueous phase; wpc nacl; stability ... See more keywords
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In situ ATR-IR studies in aqueous phase reforming of hydroxyacetone on Pt/ZrO2 and Pt/AlO(OH) catalysts: The role of aldol condensation

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.03.090

Abstract: Abstract In situ Attenuated Total Reflection Infrared (ATR-IR) spectroscopy was used to study Aqueous Phase Reforming of hydroxyacetone on Pt/AlO(OH) and Pt/ZrO2 catalysts at 230 °C/ 30 bar. Formation of strongly adsorbed aldol condensation products was observed… read more here.

Keywords: aqueous phase; alo; zro2; condensation ... See more keywords
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Formation of aqueous-phase sulfate during the haze period in China: Kinetics and atmospheric implications

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Published in 2018 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2018.01.017

Abstract: Abstract Sulfate is one of the most important components in the aerosol due to its key role in air pollution and global climate change. Recent work has suggested that reactive nitrogen chemistry in aqueous water… read more here.

Keywords: aqueous phase; sulfate; sulfate haze; step ... See more keywords
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The oxidation mechanism of 3,4-dihydroxy-2-butanone in the aqueous phase for secondary organic aerosols formation

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Published in 2020 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2019.117110

Abstract: Abstract 3,4-dihydroxy-2-butanone (DHBO) is a major oxidation product of IEPOX and can easily be oxidized in tropospheric aqueous phase. The aqueous oxidation mechanism of DHBO has investigated by DFT and initial reaction rate constants also… read more here.

Keywords: dihydroxy butanone; aqueous phase; oxidation mechanism; oxidation ... See more keywords