Articles with "crystal size" as a keyword



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Effect of crystal size on zinc stabilization in aluminum-rich ceramic matrix

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Published in 2018 at "Journal of Material Cycles and Waste Management"

DOI: 10.1007/s10163-018-0765-y

Abstract: With aluminum as the predominant element, incineration residues from municipal solid waste and sewage sludge may be reused as precursors for zinc stabilization. As solid-state reactions are influenced by the crystal sizes of the reactants,… read more here.

Keywords: zinc stabilization; aluminum rich; crystal size; zinc ... See more keywords
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Structural, Optical and EPR Study of Zn1−xFexO Nanocrystals

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Published in 2020 at "Journal of Low Temperature Physics"

DOI: 10.1007/s10909-020-02541-z

Abstract: Iron-doped ZnO nanocrystals, ZnO (Zn 1− x Fe x O), with doping atomic ratio x  = 0.0–0.05, have been synthesized using the sol–gel method to obtain nanoparticles with an average crystal size of around 38.0 nm. Materials… read more here.

Keywords: structural optical; epr study; crystal size; optical epr ... See more keywords
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Influence of feeding mode on cooling crystallization of L-lysine in Couette-Taylor crystallizer

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Published in 2017 at "Korean Journal of Chemical Engineering"

DOI: 10.1007/s11814-017-0079-0

Abstract: A continuous Couette-Taylor (CT) crystallizer was used to apply a multiple feeding mode strategy to enhance the crystal size and size distribution of L-lysine crystals in cooling crystallization. With a 5-min mean residence time, feed… read more here.

Keywords: size; feeding mode; size distribution; crystal size ... See more keywords
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ON THE THERMODYNAMIC STABILITY OF ILLITE AND I-S MINERALS

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Published in 2019 at "Clays and Clay Minerals"

DOI: 10.1007/s42860-019-00044-x

Abstract: A review of the models proffered to advance the notion of the metastability of illite shows that these models are not supported by the various data groups that have become available. Given that clay minerals… read more here.

Keywords: clay minerals; crystal size; illite; minerals thermodynamic ... See more keywords
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Experimental investigation of reagent feeding point location in a semi-batch precipitation process

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Published in 2018 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2018.06.042

Abstract: Abstract This research is dedicated to a study of BaSO4 crystallization process in a batch stirred reactor. The temporal development of the precipitation process is measured by conductivity at global and local levels. The effect… read more here.

Keywords: precipitation process; location; crystal size; process ... See more keywords
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Zeolite crystal size effects of Au/uncalcined TS-1 bifunctional catalysts on direct propylene epoxidation with H2 and O2

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Published in 2020 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2020.115907

Abstract: Abstract Understanding the nature of Au-Ti bifunctional catalysis is important yet challenging for improving direct propylene epoxidation with H2 and O2 to propylene oxide (PO). Herein, we report a facile strategy to fabricate four different… read more here.

Keywords: direct propylene; size effects; crystal size; zeolite crystal ... See more keywords
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Tailoring the crystal size distribution of an active pharmaceutical ingredient by continuous antisolvent crystallization in a planar oscillatory flow crystallizer

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Published in 2021 at "Chemical Engineering Research and Design"

DOI: 10.1016/j.cherd.2021.08.030

Abstract: Abstract An active pharmaceutical ingredient is currently produced in a traditional batch antisolvent crystallization process. Although well-established, this process lacks flexibility to control the crystal size distribution (CSD). Therefore, a new process was developed to… read more here.

Keywords: planar; antisolvent crystallization; crystal size; pharmaceutical ingredient ... See more keywords
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The nanoscale effects on the morphology, microstructure and electrochemical performances of the cathodic deposited α-Ni(OH)2

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Published in 2018 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.10.091

Abstract: Abstract In this study, α-Ni(OH) 2 with controllable pristine crystal size is directly electrodeposited on a substrate of Ti wire mesh to fabricate the integrated electrode. The nanoscale effects on morphology, microstructure and electrochemical performance… read more here.

Keywords: effects morphology; pristine crystal; crystal size; cathodic deposited ... See more keywords
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Microwave assisted freezing part 2: Impact of microwave energy and duty cycle on ice crystal size distribution

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Published in 2020 at "Innovative Food Science and Emerging Technologies"

DOI: 10.1016/j.ifset.2020.102359

Abstract: Abstract Among innovative freezing processes, electromagnetic wave assistance during freezing has received great attention in recent years. The literature provides interesting studies indicating that smaller ice crystals may be obtained during freezing with the assistance… read more here.

Keywords: ice crystal; energy; crystal size; microwave assisted ... See more keywords
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Coupling of CFD and population balance modelling for a continuously seeded helical tubular crystallizer

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Published in 2019 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2018.10.012

Abstract: Abstract A comprehensive model coupling the computational fluid dynamics with the population balance equation (CFD−PBE) for a continuous seeded mixed suspension mixed product removal (MSMPR)-helical tubular (HT) crystallizer assembly has been developed. The model accurately… read more here.

Keywords: population balance; crystal size; tubular crystallizer; helical tubular ... See more keywords
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Micron-sized spinel crystals in high level waste glass compositions: Determination of crystal size and crystal fraction

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Published in 2019 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2018.11.039

Abstract: Abstract The compositions utilized for immobilization of high-level nuclear wastes (HLW) are controlled using glass property models to avoid the deleterious effects of crystallization in the high-level waste (HLW) vitrification melters. The type and size… read more here.

Keywords: level waste; glass; high level; crystal size ... See more keywords