Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater

The goal of the present paper was to synthesize, characterize, and evaluate the performance of the modified composite based on magnetite (Fe<sub>3</sub>O<sub>4</sub>) and polyvinyl alcohol (PVA). The obtained composite was used to degrade Methyl Orange dye from synthetic wast...

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Autores principales: Cristina Modrogan, Simona Cǎprǎrescu, Annette Madelene Dǎncilǎ, Oanamari Daniela Orbuleț, Alexandru Mihai Grumezescu, Violeta Purcar, Valentin Radițoiu, Radu Claudiu Fierascu
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/11a05e1e5ed4479fb6c2239cf596be08
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spelling oai:doaj.org-article:11a05e1e5ed4479fb6c2239cf596be082021-11-25T18:48:13ZModified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater10.3390/polym132239112073-4360https://doaj.org/article/11a05e1e5ed4479fb6c2239cf596be082021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/22/3911https://doaj.org/toc/2073-4360The goal of the present paper was to synthesize, characterize, and evaluate the performance of the modified composite based on magnetite (Fe<sub>3</sub>O<sub>4</sub>) and polyvinyl alcohol (PVA). The obtained composite was used to degrade Methyl Orange dye from synthetic wastewater by a laboratory photocatalytic reactor. Various parameters of the photodegradation process were tested: composite dosage, amount of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>), and pH. The composite was characterized by Fourier Transform Infrared (FTIR) Spectroscopy, X-ray Diffraction (XRD), and Scanning Electron Microscopy (SEM). The degradation experiments indicated that the complete dye decolorization depended on the amount of H<sub>2</sub>O<sub>2</sub>. In addition, the H<sub>2</sub>O<sub>2</sub> could accelerate Methyl Orange degradation to more highly oxidized intermediates in the presence of UV light (99.35%). The results suggested that the obtained modified composite could be used to treat wastewater containing various types of dyes.Cristina ModroganSimona CǎprǎrescuAnnette Madelene DǎncilǎOanamari Daniela OrbulețAlexandru Mihai GrumezescuVioleta PurcarValentin RadițoiuRadu Claudiu FierascuMDPI AGarticlemodified compositemagnetitepolyvinyl alcoholmethyl orangedegradationwastewaterOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3911, p 3911 (2021)
institution DOAJ
collection DOAJ
language EN
topic modified composite
magnetite
polyvinyl alcohol
methyl orange
degradation
wastewater
Organic chemistry
QD241-441
spellingShingle modified composite
magnetite
polyvinyl alcohol
methyl orange
degradation
wastewater
Organic chemistry
QD241-441
Cristina Modrogan
Simona Cǎprǎrescu
Annette Madelene Dǎncilǎ
Oanamari Daniela Orbuleț
Alexandru Mihai Grumezescu
Violeta Purcar
Valentin Radițoiu
Radu Claudiu Fierascu
Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater
description The goal of the present paper was to synthesize, characterize, and evaluate the performance of the modified composite based on magnetite (Fe<sub>3</sub>O<sub>4</sub>) and polyvinyl alcohol (PVA). The obtained composite was used to degrade Methyl Orange dye from synthetic wastewater by a laboratory photocatalytic reactor. Various parameters of the photodegradation process were tested: composite dosage, amount of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>), and pH. The composite was characterized by Fourier Transform Infrared (FTIR) Spectroscopy, X-ray Diffraction (XRD), and Scanning Electron Microscopy (SEM). The degradation experiments indicated that the complete dye decolorization depended on the amount of H<sub>2</sub>O<sub>2</sub>. In addition, the H<sub>2</sub>O<sub>2</sub> could accelerate Methyl Orange degradation to more highly oxidized intermediates in the presence of UV light (99.35%). The results suggested that the obtained modified composite could be used to treat wastewater containing various types of dyes.
format article
author Cristina Modrogan
Simona Cǎprǎrescu
Annette Madelene Dǎncilǎ
Oanamari Daniela Orbuleț
Alexandru Mihai Grumezescu
Violeta Purcar
Valentin Radițoiu
Radu Claudiu Fierascu
author_facet Cristina Modrogan
Simona Cǎprǎrescu
Annette Madelene Dǎncilǎ
Oanamari Daniela Orbuleț
Alexandru Mihai Grumezescu
Violeta Purcar
Valentin Radițoiu
Radu Claudiu Fierascu
author_sort Cristina Modrogan
title Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater
title_short Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater
title_full Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater
title_fullStr Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater
title_full_unstemmed Modified Composite Based on Magnetite and Polyvinyl Alcohol: Synthesis, Characterization, and Degradation Studies of the Methyl Orange Dye from Synthetic Wastewater
title_sort modified composite based on magnetite and polyvinyl alcohol: synthesis, characterization, and degradation studies of the methyl orange dye from synthetic wastewater
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/11a05e1e5ed4479fb6c2239cf596be08
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