Articles with "catalytic ozonation" as a keyword



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The mineralization of oxalic acid and bio-treated coking wastewater by catalytic ozonation using nickel oxide

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-0597-7

Abstract: Coking wastewater after biological treatment still possesses potential environmental risk and should be mineralized further. This work focused on the mineralization of bio-treated coking wastewater using catalytic ozonation by NiO. First, oxalic acid, the typical… read more here.

Keywords: coking wastewater; ozonation; treated coking; bio treated ... See more keywords
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Paraben degradation using catalytic ozonation over volcanic rocks

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-1025-8

Abstract: Parabens are widely used as antimicrobial and preservatives in pharmaceutical and personal care products and are continuously reaching the water streams. Conventional wastewater treatments are proven inefficient on the removal of this kind of contaminants… read more here.

Keywords: ozonation volcanic; ozonation; paraben degradation; volcanic rocks ... See more keywords
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Advanced treatment of municipal secondary effluent by catalytic ozonation using Fe3O4-CeO2/MWCNTs as efficient catalyst

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-8619-z

Abstract: The advanced treatment of municipal secondary effluent was performed by catalytic ozonation using Fe3O4-CeO2/MWCNTs as catalyst. The experimental results showed that in catalytic ozonation system, the removal efficiency of soluble COD was more than 46%… read more here.

Keywords: municipal secondary; advanced treatment; secondary effluent; ozonation ... See more keywords
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A study on simultaneous catalytic ozonation of Hg0 and NO using Mn–TiO2 catalyst at low flue gas temperatures

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Published in 2018 at "Chemical Papers"

DOI: 10.1007/s11696-018-0388-8

Abstract: Mn–TiO2 catalysts were utilized as an ozonation catalyst for the first time to study the simultaneous catalytic ozonation of Hg0 and NO at low flue gas temperatures. BET, SEM–EDS, XRD, XPS, H2-TPR, NOx-TPD and Hg0-TPD… read more here.

Keywords: tio2 catalyst; ozonation hg0; ozonation; catalytic ozonation ... 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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Catalytic ozonation of an azo-dye using a natural aluminosilicate

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Published in 2021 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.12.019

Abstract: Abstract Catalytic ozonation of Orange II (100 mg/L) was studied using aluminosilicate Montanit300® (M) modified with H2SO4 (MS) and HCl (MH). Characterization of these samples was performed through several techniques: SEM/EDX, FTIR, XRD, FRX, TPD… read more here.

Keywords: azo dye; dye using; ozonation; ozonation azo ... See more keywords
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Enhanced catalytic ozonation treatment of dibutyl phthalate enabled by porous magnetic Ag-doped ferrospinel MnFe2O4 materials: Performance and mechanism

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.07.177

Abstract: Abstract Enhanced catalytic ozonation of di-n-butyl phthalate (DBP), a recalcitrant waterborne pollutant, was enabled by a family of novel Ag-doped spinel ferrites (MnFe2O4) materials. A sol-gel approach was used to synthesize the Ag-doped MnFe2O4 catalysts,… read more here.

Keywords: phthalate; mnfe2o4; ozonation; enhanced catalytic ... See more keywords
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Efficient mineralization of aqueous antibiotics by simultaneous catalytic ozonation and photocatalysis using MgMnO3 as a bifunctional catalyst

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.08.198

Abstract: Abstract Herein a novel coupling process of simultaneous catalytic ozonation and photocatalysis (SCOP) using a bifunctional catalyst for the antibiotics wastewater treatment was developed. MgMnO3, as the first example of bifunctional catalyst, was successfully prepared… read more here.

Keywords: ozonation; bifunctional catalyst; photocatalysis; ozonation photocatalysis ... See more keywords
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Catalytic ozonation of penicillin G using cerium-loaded natural zeolite (CZ): Efficacy, mechanisms, pathways and toxicity assessment

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.123144

Abstract: Abstract A cerium-loaded natural zeolite (CZ) was synthesized for catalytic ozonation of penicillin G (PG) in this work. The effects of key factors including Ce loading mass, the initial solution pH, catalyst dosage and ozone… read more here.

Keywords: natural zeolite; cerium; ozonation; toxicity ... See more keywords
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Selection of active phase of MnO2 for catalytic ozonation of 4-nitrophenol.

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Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2016.11.138

Abstract: Catalytic ozonation is a highly effective method in wastewater treatment, and MnO2 materials are widely recognized as active heterogeneous catalysts in this process. Many works reported the progress in active MnO2 synthesis, but the active… read more here.

Keywords: active phase; ozonation nitrophenol; mno2; catalytic ozonation ... See more keywords
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Fluorine-doped carbon nanotubes as an efficient metal-free catalyst for destruction of organic pollutants in catalytic ozonation.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.09.119

Abstract: Metal-free carbon materials have been presented to be potential alternatives to metal-based catalysts for heterogeneous catalytic ozonation, yet the catalytic performance still needs to be enhanced. Doping carbon with non-metallic heteroatoms (e.g., N, B, and… read more here.

Keywords: carbon; fluorine doped; spectroscopy; metal free ... See more keywords