Articles with "naphthalene" as a keyword



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Competitive reactive adsorption desulphurization of dibenzothiophene and hydrogenation of naphthalene over Ni/ZnO

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Published in 2018 at "Canadian Journal of Chemical Engineering"

DOI: 10.1002/cjce.23064

Abstract: Ni-based catalysts are good alternatives to noble metal ones for hydrogenation. However, few effective sulphur-resistant supported Ni catalysts are available commercially so far. This paper presents a Ni/ZnO catalyst prepared by coprecipitation. The optimal calcination… read more here.

Keywords: hydrogenation; hydrogenation naphthalene; adsorption desulphurization; dibenzothiophene ... See more keywords
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Biodegradation of hazardous naphthalene and cleaner production of rhamnolipids - Green approaches of pollution mitigation.

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Published in 2022 at "Environmental research"

DOI: 10.1016/j.envres.2022.112875

Abstract: Toxic and hazardous waste poses a serious threat to human health and the environment. Green remediation technologies are required to manage such waste materials, which is a demanding and difficult task. Here, effort was made… read more here.

Keywords: naphthalene; production; naphthalene cleaner; hazardous naphthalene ... See more keywords
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Activated carbon from sawdust for naphthalene removal from contaminated water

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Published in 2020 at "Environmental Technology and Innovation"

DOI: 10.1016/j.eti.2020.101080

Abstract: Abstract Naphthalene, simplest polycyclic aromatic hydrocarbon (PAH), is extensively liberated in aqueous systems through wastewaters of various industries. The present study proposes the removal of naphthalene from aqueous solutions inexpensively and efficiently using high quality… read more here.

Keywords: adsorption; carbon; naphthalene; activated carbon ... See more keywords
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Optical Properties of Secondary Organic Aerosol Produced by Photooxidation of Naphthalene under NOx Condition

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Published in 2022 at "Environmental Science & Technology"

DOI: 10.1021/acs.est.1c07328

Abstract: Secondary organic aerosols (SOAs) affect incoming solar radiation by interacting with light at ultraviolet and visible wavelength ranges. However, the relationship between the chemical composition and optical properties of SOA is still not well understood.… read more here.

Keywords: properties secondary; organic aerosol; secondary organic; soa ... See more keywords
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Photoactivated Transition-Metal Triggers for Ambient Temperature Enediyne and Dienyne Cyclization: Ruthenium-η6-Naphthalene Complexes

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Published in 2017 at "Organometallics"

DOI: 10.1021/acs.organomet.7b00589

Abstract: A persistent challenge confronting potential applications of the Bergman cycloaromatization reaction is the development of methods for spatiotemporal control of diradical formation. Photochemical variants (photo-Bergman cycloaromatizations) have thus far met with limited success, failing completely… read more here.

Keywords: transition metal; ruthenium naphthalene; photoactivated transition; naphthalene ... See more keywords

Revisiting the Electrochemical Carboxylation of Naphthalene with CO2: Selective Monocarboxylation of 2-Substituted Naphthalenes.

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Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.3c01033

Abstract: Numerous remarkable reactions based on electrochemical carboxylations using CO2 have recently attracted considerable attention. In contrast to more recent examples, the electrochemical carboxylation of naphthalene had already been established in 1959, whereby a dearomative dicarboxylation… read more here.

Keywords: revisiting electrochemical; electrochemical carboxylation; carboxylation naphthalene; naphthalene co2 ... See more keywords

Organocatalytic Asymmetric Atroposelective Construction of Axially Chiral 1,4-Distyrene 2,3-Naphthalene Diols.

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Published in 2018 at "Organic letters"

DOI: 10.1021/acs.orglett.8b03398

Abstract: An efficient organocatalytic construction of enantioenriched axially chiral 1,4-distyrene 2,3-naphthalene diols through the nucleophilic addition of α-amido sulfone to in situ generated vinylidene o-quinone methide is described. The reaction pathway was investigated by isolating reaction… read more here.

Keywords: chiral distyrene; distyrene naphthalene; naphthalene diols; axially chiral ... See more keywords

Crystal structure of 2-hydroxy-3-(prop-2-yn-1-yl)naphthalene-1,4-dione

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Published in 2018 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989018011647

Abstract: The naphthoquinone unit in 2-hydroxy-3-(prop-2-yn-1-yl)naphthalene-1,4-dione is essentially planar and the linear propargyl group is nearly perpendicular to the naphthalene ring system. In the crystal, O—H⋯O and C—H⋯O hydrogen bonds form an infinite tape structure. read more here.

Keywords: prop naphthalene; hydroxy prop; naphthalene dione; naphthalene ... See more keywords

Benzophenone-Sensitized Long-Lived Phosphorescence of Naphthalene-d8 at Room Temperature in a Complex with Beta-Cyclodextrin and Cyclohexane

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Published in 2019 at "High Energy Chemistry"

DOI: 10.1134/s0018143919020115

Abstract: Sensitized phosphorescence of naphthalene-d8 with a lifetime of 14.7 s at 22°C has been obtained in the supramolecular complex “naphthalene-d8–β-cyclodextrin–cyclohexane–benzophenone” and attributed to T–T energy transfer upon excitation of benzophenone at 365 nm. The geometric… read more here.

Keywords: cyclodextrin cyclohexane; benzophenone; naphthalene; phosphorescence naphthalene ... See more keywords
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Adsorption of Naphthalene on Clay Minerals: A Molecular Dynamics Simulation Study

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Published in 2022 at "Materials"

DOI: 10.3390/ma15155120

Abstract: Naphthalene, as one of the representative polycyclic aromatic hydrocarbons, widely exists in contaminated sites and is a potential threat to human health due to its high mobility in soil. The interaction between naphthalene and clay… read more here.

Keywords: adsorption; interaction; water; naphthalene clay ... See more keywords