Catalytic oxidation of NO over MnOx–CoOx/TiO2 in the presence of a low ratio of O3/NO: activity and mechanism

Meng, Shaoping; Shen, Boxiong; Liu, Lijun; Zhang, Haohao; Zhou, Wenjun; Wang, Jianqiao; Zhang, Xiao; Zhang, Zhikun; Wu, Chunfei

doi:10.1039/d0ra04129g

Cited by 5 publications

(1 citation statement)

References 42 publications

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“…The XRD patterns of Cu-TiO 2 samples (calcined at 400 °C) are shown in Fig. 2a, where diffraction peaks of Cu-TiO 2 nanomaterials are well-matched with the anatase phase of TiO 2 crystal (ICDD 01-089-4921) [34]. The average crystallite size of Cu-TiO 2 samples are shown in Table 1.…”

Section: Characterization Of Synthesized Cu-tio 2 Catalystsmentioning

confidence: 97%

Photocatalytic performance and interaction mechanism of reverse micelle synthesized Cu-TiO2 nanomaterials towards levofloxacin under visible LED light

Varma

Shukla

Tayade

et al. 2021

Photochem Photobiol Sci

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The degradation performance of Cu-TiO 2 nanomaterials towards levofloxacin (LFX) antibiotic was investigated under an environmentally benign visible LED light source. Cu-TiO 2 nanomaterials were prepared using the reverse micelle sol-gel method with different copper content ranging from 0.25 to 1.0 wt% concerning titania. Characterization of Cu-TiO 2 samples was performed by XRD, TEM, UV-Vis, BET, ICP-MS, FTIR and XPS techniques. 0.5 wt% Cu-TiO 2 showed crystallite size below 6 nm, surface area (69.85 m 2 /g) and significant visible light absorption capacity. Both Cu 1+ and Cu 2+ are formed in lower Cu-doped TiO 2 samples, whereas only Cu 2+ is present in higher Cu-doped TiO 2 samples as evident in XPS analysis. 0.5 wt% Cu-TiO 2 has shown the optimum photocatalytic degradation of 75.5% under 6 h. of a visible light source. FTIR analysis of LFX adsorbed Cu-TiO 2 materials indicated the pollutant-catalyst interaction, where the declining trend was observed in photocatalytic degradation efficiency for higher Cu-doped TiO 2 samples due to copper-LFX complex formation.Copper-LFX complexes are formed due to the presence of Cu 2+ in higher Cu-doped TiO 2 nanomaterials, which might have hindered the photocatalytic activity under visible light. Effects of initial pollutant concentration, catalyst loading and visible light intensity on the degradation of LFX are studied. Photocatalytic degradation pathways of LFX using best performing Cu-TiO 2 material were also proposed based on the LC-MS analysis.

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Section: Characterization Of Synthesized Cu-tio 2 Catalystsmentioning

confidence: 97%

Photocatalytic performance and interaction mechanism of reverse micelle synthesized Cu-TiO2 nanomaterials towards levofloxacin under visible LED light

Varma

Shukla

Tayade

et al. 2021

Photochem Photobiol Sci

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Reverse microemulsion assisted synthesis of copper nano-catalyst for highly selective toluene oxidation

Mistry,

Lakhani,

Nasit

et al. 2023

J Porous Mater

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Highly facile Co2+ and Mn3+ species supported on hydroxyapatite catalyst for carbon monoxide oxidation at a lower temperature

2022

Bull Mater Sci

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Catalytic oxidation of NO over MnO_x–CoO_x/TiO₂ in the presence of a low ratio of O₃/NO: activity and mechanism

Abstract:
O₃ promotes the formation of monodentate nitrates at low temperature, thus improving the efficiency of NO oxidation.

Cited by 5 publications

References 42 publications

Photocatalytic performance and interaction mechanism of reverse micelle synthesized Cu-TiO2 nanomaterials towards levofloxacin under visible LED light

Photocatalytic performance and interaction mechanism of reverse micelle synthesized Cu-TiO2 nanomaterials towards levofloxacin under visible LED light

Reverse microemulsion assisted synthesis of copper nano-catalyst for highly selective toluene oxidation

Highly facile Co2+ and Mn3+ species supported on hydroxyapatite catalyst for carbon monoxide oxidation at a lower temperature

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Catalytic oxidation of NO over MnOx–CoOx/TiO2 in the presence of a low ratio of O3/NO: activity and mechanism

Abstract: O3 promotes the formation of monodentate nitrates at low temperature, thus improving the efficiency of NO oxidation.

Cited by 5 publications

References 42 publications

Photocatalytic performance and interaction mechanism of reverse micelle synthesized Cu-TiO2 nanomaterials towards levofloxacin under visible LED light

Photocatalytic performance and interaction mechanism of reverse micelle synthesized Cu-TiO2 nanomaterials towards levofloxacin under visible LED light

Reverse microemulsion assisted synthesis of copper nano-catalyst for highly selective toluene oxidation

Highly facile Co2+ and Mn3+ species supported on hydroxyapatite catalyst for carbon monoxide oxidation at a lower temperature

Contact Info

Product

Resources

About

Catalytic oxidation of NO over MnO_x–CoO_x/TiO₂ in the presence of a low ratio of O₃/NO: activity and mechanism

Abstract:
O₃ promotes the formation of monodentate nitrates at low temperature, thus improving the efficiency of NO oxidation.