Articles with "ozonation" as a keyword



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Hydraulic and disinfection efficiency of an ozonation contactor for a municipal water treatment plant using computational fluid dynamics

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Published in 2017 at "Canadian Journal of Chemical Engineering"

DOI: 10.1002/cjce.22839

Abstract: Determination of hydrodynamic characteristics and disinfection efficiency are important factors in the operational study of the ozone contactors. In the present work, a full-scale ozonation contactor for a municipal water treatment plant was simulated by… read more here.

Keywords: contactor municipal; ozonation; disinfection efficiency; contactor ... See more keywords
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Endocrine Activities of Pesticides During Ozonation of Waters

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Published in 2017 at "Bulletin of Environmental Contamination and Toxicology"

DOI: 10.1007/s00128-017-2254-8

Abstract: Two yeast-based bioassays were used to assess the endocrine activity potential of transformation products formed during the ozonation of water containing a variety of pesticides (propiconazole, atrazine, 2,4-dichlorophenoxyacetic acid [2,4-D], tebuconazole, climbazole, myclobutanil, irgarol, terbutryn,… read more here.

Keywords: activities pesticides; pesticides ozonation; ozonation; androgenic activity ... See more keywords
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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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Regeneration of [Bmim]BF4 ionic liquid by ozonation: hydrogen bond roles, synergistic effect, and DFT calculation

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-11298-7

Abstract: Ionic liquids (ILs) are a kind of promising extractants for removing undesirable organics from industrial wastewater and crude oil, etc. Herein, IL regeneration by ozonation was proposed for its recycling. 1-Butyl-3-methylimidazolium tetrafluoroborate ([Bmim]BF 4 )… read more here.

Keywords: hydrogen; bmim; ozonation; phenol ... See more keywords
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Advanced oxidation/reduction technologies: a perspective from Iberoamerican countries

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Published in 2021 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-13777-x

Abstract: The increasing global health concerns due to the surge in urbanization, increasing water contamination, and increasing world industrialization are driving advanced oxidation technologies (AOTs) market globally. This special issue of Environmental Science and Pollution Research… read more here.

Keywords: phase; oxidation; photochemical aops; ozonation ... See more keywords
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MoS2/N-TiO2/Ti mesh plate for visible-light photocatalytic ozonation of naproxen and industrial wastewater: comparative studies and artificial neural network modeling

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Published in 2021 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-17285-w

Abstract: This paper presents the results of visible-light assisted photocatalytic ozonation for the degradation of naproxen as a model pharmaceutical pollutant from water using MoS2/N-TiO2 immobilized on a titanium mesh plate in addition to treatment of… read more here.

Keywords: degradation; light photocatalytic; photocatalytic ozonation; visible light ... 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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Reactive Orange 16 dye degradation in anaerobic and aerobic MBBR coupled with ozonation: addressing pathways and performance

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Published in 2020 at "International Journal of Environmental Science and Technology"

DOI: 10.1007/s13762-020-02983-8

Abstract: In this study, two treatment routes were investigated for degradation of the azo dye Reactive Orange 16 (RO16): biodegradation in an anaerobic MBBR (R1) and ozonation followed by biological treatment in an aerobic MBBR (R2).… read more here.

Keywords: degradation; reactive orange; aerobic mbbr; ozonation ... See more keywords
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Free-radical and surface electron transfer dominated bisphenol A degradation in system of ozone and peroxydisulfate co-activated by CoFe2O4-biochar

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.147887

Abstract: Abstract We developed a composite material of CoFe2O4-biochar (CoFe2O4@BC) with high performance of peroxydisulfate activation and catalytic ozonation for pollutant degradation in one system. Through single-factor experiments and dynamic fitting calculations, the optimal process (that… read more here.

Keywords: degradation; system; peroxydisulfate; ozonation ... See more keywords