Articles with "non radical" as a keyword



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Oxalic acid-improved mild cyclohexane oxidation catalyzed by VO(acac)2: non-radical versus radical mechanism

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Published in 2017 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-017-1274-z

Abstract: The efficiency of the vanadyl(IV)acetylacetonate (1)–catalyzed oxidation of cyclohexane by hydrogen peroxide in acetonitrile increased in the presence of oxalic acid (2). The addition of 2 leads to the substitution of acac ligands by oxalate… read more here.

Keywords: mechanism; oxidation; oxalic acid; cyclohexane ... See more keywords
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Catalytic ozonation of paracetamol on zeolite A: Non-radical mechanism

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Published in 2018 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2018.01.010

Abstract: Abstract This study intends to develop removal mechanism of paracetamol during the catalytic ozonation on zeolite4A (Z4A). In order to understand the mechanism on Z4A, degradation of paracetamol, removal of Kjeldhal nitrogen, production of superoxide… read more here.

Keywords: mechanism; radical mechanism; paracetamol; non radical ... See more keywords
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Enhanced degradation of ofloxacin by persulfate activation with Mn doped CuO: Synergetic effect between adsorption and non-radical activation

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.127972

Abstract: Abstract Non-radical activation of persulfate (PS) is a promising technology for removing organic pollutants in water because of the higher selectivity and stability of activated PS than radicals. Hence, the development of effective catalyst for… read more here.

Keywords: degradation; adsorption; surface; activation ... See more keywords
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Highly-efficient and Stable MgCo2O4 Spinel for Bisphenol A Removal by Activating Peroxymonosulfate via Radical and Non-radical Pathways

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.129498

Abstract: Abstract Nowadays, the limited catalytic efficiency, secondary pollution of metal leaching and stability decrease during reuse bring challenges to practical application of heterogeneous catalysts in sulfate radical-based advanced oxidation processes. Herein, MgCo2O4 spinel was synthesized… read more here.

Keywords: mgco2o4; microscopy; radical pathways; radical non ... See more keywords
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Comparison of radical and non-radical activated persulfate systems for the degradation of imidacloprid in water.

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Published in 2019 at "Ecotoxicology and environmental safety"

DOI: 10.1016/j.ecoenv.2019.109891

Abstract: The study focuses on degradation efficiency of non-radical activation and radical activation systems of persulfate (PS) to degrade imidacloprid (IMI) by using sodium persulfate (SPS) as PS source. Copper oxide (CuO)-SPS and CuO/biochar (BC)-SPS were… read more here.

Keywords: degradation; sps; non radical; radical activation ... See more keywords
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High efficiency degradation of tetracycline by peroxymonosulfate activated with Fe/NC catalysts: Performance, intermediates, stability and mechanism.

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Published in 2021 at "Environmental research"

DOI: 10.1016/j.envres.2021.112538

Abstract: Carbon-based catalysts have the advantages of biological cleaning, eco-friendly and cost-effective in water treatment. While, nitrogen doped biochar promotes the development of non-radical peroxymonosulfate (PMS) activation in environmental remediation. Thus, three-dimensional sponge-like porous Fe and… read more here.

Keywords: peroxymonosulfate; pms; efficiency degradation; degradation ... See more keywords
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Oxidation of Rhodamine B by persulfate activated with porous carbon aerogel through a non-radical mechanism.

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Published in 2018 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2018.06.048

Abstract: In this study, porous carbon aerogel (CA) was synthesized with D-glucose, ammonium persulfate and aniline by a hydrothermal carbonization method. It was reported for the first time as an excellent catalyst for activating persulfate (PS)… read more here.

Keywords: rhb; persulfate; carbon aerogel; non radical ... See more keywords
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Enhanced peroxymonosulfate activation by supported microporous carbon for degradation of tetracycline via non-radical mechanism

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Published in 2020 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2020.116617

Abstract: Abstract Carbon-based peroxymonosulfate (PMS) activator as a promising candidate for substituting metal-based heterogeneous catalysts has drawn increasing concerns. In this study, we reported two supported microporous carbon based PMS activators after treatment by KOH and… read more here.

Keywords: degradation; carbon; mechanism; supported microporous ... See more keywords
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Copper-oxygen synergistic electronic reconstruction on g-C3N4 for efficient non-radical catalysis for peroxydisulfate and peroxymonosulfate

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Published in 2021 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2020.117957

Abstract: Abstract Due to the selectivity and environmental tolerance of non-radical reaction reactions, they have emerged as a promising way to treat special water bodies. Herein, we proposed a new non-radical reaction system that used a… read more here.

Keywords: oxygen; pms; cuo; peroxymonosulfate ... See more keywords
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The polarized electric field on Fe2O3/g-C3N4 for efficient peroxymonosulfate activation: A synergy of 1O2, electron transfer and pollutant oxidation

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Published in 2021 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2021.118717

Abstract: Abstract The non-radical mechanism is needed further exploration to develop non-radical. Based on theoretical calculation and experiments, a mechanism of polarization electric field promoting non-radical reaction on Fe2O3/g-C3N4 was proposed. With the polarization electric field,… read more here.

Keywords: electric field; fe2o3 c3n4; electron transfer; non radical ... See more keywords
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Immediate hydroxylation of arenes to phenols via V-containing all-silica ZSM-22 zeolite triggered non-radical mechanism

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Published in 2018 at "Nature Communications"

DOI: 10.1038/s41467-018-05351-w

Abstract: Hydroxylation of arenes via activation of aromatic Csp2–H bond has attracted great attention for decades but remains a huge challenge. Herein, we achieve the ring hydroxylation of various arenes with stoichiometric hydrogen peroxide (H2O2) into… read more here.

Keywords: mechanism; hydroxylation; immediate hydroxylation; hydroxylation arenes ... See more keywords