Enhancement of photo-fenton-like degradation of orange II by MnO2/NiO nanocomposite with the synergistic effect from bisulfite

Xinyu Zhang, Jianfeng Ma, Changhai Fan, Mingguo Peng, Sridhar Komarneni

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

To improve the efficiency of traditional advanced oxidation processes (AOPs), a novel photo-assisted heterogeneous Fenton-like process was proposed and verified by experiments. Under visible light, NaHSO3 and transition metal composite oxide MnO2/NiO were tested together for degradation of orange II (OII). MnO2/NiO nanocomposites were prepared by a hydrothermal method using different nickel oxide to manganese oxide ratios and characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Ultraviolet–vis (UV–vis) diffuse reflectance spectroscopy (DRS) and scanning electron microscopy (SEM). The best MnO2/NiO nanocomposite (Ni:Mn = 1:2) which was designated as Ni-Mn-3 showed the best OII removal efficiency of about 92.8% among the various MnO2/NiO nanocomposites of different Ni:Mn ratios. Moreover, the best catalyst, Ni-Mn-3 also showed good stability and recovery performance for degrading OII. The degradation ability of Ni-Mn-3 decreased no more than 10% after three times of repeated tests, which makes it more competitive in practical industrial applications than other heterogeneous Fenton-like catalysts.

Original languageEnglish (US)
Pages (from-to)343-349
Number of pages7
JournalJournal of Alloys and Compounds
Volume785
DOIs
StatePublished - May 15 2019

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Nanocomposites
Degradation
Light metals
Catalysts
Nickel oxide
Manganese oxide
Oxides
Industrial applications
Transition metals
Fourier transform infrared spectroscopy
Spectroscopy
Recovery
X ray diffraction
Oxidation
Scanning electron microscopy
Composite materials
hydrogen sulfite
2-naphthol orange
Experiments
manganese oxide

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

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title = "Enhancement of photo-fenton-like degradation of orange II by MnO2/NiO nanocomposite with the synergistic effect from bisulfite",
abstract = "To improve the efficiency of traditional advanced oxidation processes (AOPs), a novel photo-assisted heterogeneous Fenton-like process was proposed and verified by experiments. Under visible light, NaHSO3 and transition metal composite oxide MnO2/NiO were tested together for degradation of orange II (OII). MnO2/NiO nanocomposites were prepared by a hydrothermal method using different nickel oxide to manganese oxide ratios and characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Ultraviolet–vis (UV–vis) diffuse reflectance spectroscopy (DRS) and scanning electron microscopy (SEM). The best MnO2/NiO nanocomposite (Ni:Mn = 1:2) which was designated as Ni-Mn-3 showed the best OII removal efficiency of about 92.8{\%} among the various MnO2/NiO nanocomposites of different Ni:Mn ratios. Moreover, the best catalyst, Ni-Mn-3 also showed good stability and recovery performance for degrading OII. The degradation ability of Ni-Mn-3 decreased no more than 10{\%} after three times of repeated tests, which makes it more competitive in practical industrial applications than other heterogeneous Fenton-like catalysts.",
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Enhancement of photo-fenton-like degradation of orange II by MnO2/NiO nanocomposite with the synergistic effect from bisulfite. / Zhang, Xinyu; Ma, Jianfeng; Fan, Changhai; Peng, Mingguo; Komarneni, Sridhar.

In: Journal of Alloys and Compounds, Vol. 785, 15.05.2019, p. 343-349.

Research output: Contribution to journalArticle

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T1 - Enhancement of photo-fenton-like degradation of orange II by MnO2/NiO nanocomposite with the synergistic effect from bisulfite

AU - Zhang, Xinyu

AU - Ma, Jianfeng

AU - Fan, Changhai

AU - Peng, Mingguo

AU - Komarneni, Sridhar

PY - 2019/5/15

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AB - To improve the efficiency of traditional advanced oxidation processes (AOPs), a novel photo-assisted heterogeneous Fenton-like process was proposed and verified by experiments. Under visible light, NaHSO3 and transition metal composite oxide MnO2/NiO were tested together for degradation of orange II (OII). MnO2/NiO nanocomposites were prepared by a hydrothermal method using different nickel oxide to manganese oxide ratios and characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Ultraviolet–vis (UV–vis) diffuse reflectance spectroscopy (DRS) and scanning electron microscopy (SEM). The best MnO2/NiO nanocomposite (Ni:Mn = 1:2) which was designated as Ni-Mn-3 showed the best OII removal efficiency of about 92.8% among the various MnO2/NiO nanocomposites of different Ni:Mn ratios. Moreover, the best catalyst, Ni-Mn-3 also showed good stability and recovery performance for degrading OII. The degradation ability of Ni-Mn-3 decreased no more than 10% after three times of repeated tests, which makes it more competitive in practical industrial applications than other heterogeneous Fenton-like catalysts.

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