Mechanism of phenol degradation processes induced by direct-current atmospheric-pressure discharge in air

Bobkova, E. S.; Sungurova, A. V.; Рыбкин, В. В.

doi:10.1134/s0018143913040024

Cited by 11 publications

(2 citation statements)

References 10 publications

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“…Additionally, DBD discharge showed a decline in breakdown efficiency as phenol content rose [97]. In this case, most research, at least for the acid media wherein it occurs in our instance, presume that the principal events leading to the destruction are interactions of phenol with •OH [96,98] (reactions (1) and ( 2)). This points out the significance of plasma acids in the purification of effluents.…”

Section: Organic Chemical Reagentsmentioning

confidence: 81%

Recent Progress in Applications of Atmospheric Pressure Plasma for Water Organic Contaminants’ Degradation

Yin,

Xu,

Zhu

et al. 2023

Applied Sciences

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Owing to current global water scarcity, there is an urgent need for advanced water treatment technologies to be invested in wastewater treatment processes. Additionally, there is growing concern that some anthropogenic contaminants have been detected in finished drinking water and wastewater slated for reuse, such as organic chemicals, pharmaceuticals, industrial dyes and even viruses, and their health effects are poorly understood at low concentrations. Atmospheric pressure plasma (APP) is a kind of advanced oxidation technology with high efficiency, low energy consumption, and little environmental impact. In recent decades, as a new method of environmental pollution abatement, APP has proven able to decompose and even completely eliminate stubborn organic contaminants. This paper focuses on the application of different types of plasma in the wastewater purification, such as water containing perfluorinated compounds, pesticides, pharmaceuticals, dyes, phenols, and viruses. Then, the effects of discharge parameters (discharge power, electrode distance, gas flow rate and working gas composition) on degradation efficiency were summarized. Finally, the existing challenges and future prospects of plasma-based wastewater purification are outlined.

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Section: Organic Chemical Reagentsmentioning

confidence: 81%

Recent Progress in Applications of Atmospheric Pressure Plasma for Water Organic Contaminants’ Degradation

Yin,

Xu,

Zhu

et al. 2023

Applied Sciences

View full text Add to dashboard Cite

show abstract

“…The possibility of using discharges for the decompo sition of various organic dyes [3,4], phenol and hydrox yphenols [5][6][7], and chlorinated benzene derivatives [8][9][10] in aqueous solutions and for the treatment of actual wastewater, which is a complex solution contain ing both organic and inorganic pollutants [11,12], has been explored. However, the processes of decomposi tion of synthetic surfactants used in industry and for domestic purposes have not been investigated to a suffi cient extent.…”

mentioning

confidence: 99%

Influence of parameters of oxygen atmospheric-pressure dielectric barrier discharge on the degradation kinetics of sulfonol in water

et al. 2015

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The kinetics of the degradation of Sulfonol and the formation of its degradation products by the action of oxygen atmospheric pressure dielectric barrier discharge on an aqueous solution at discharge pow ers of 0.4-4 W have been measured. It has been shown that the degradation products are carboxylic acids and aldehydes in the liquid phase and carbon dioxide in the gas phase. The energy efficiency of the degradation has been found to be (4.4-12.7) × 10 -3 molecule per 100 eV of input energy. Mechanisms for the processes have been proposed.

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Peculiarities of Energy Efficiency Comparison of Plasma Chemical Reactors for Water Purification from Organic Substances

Bobkova

Рыбкин

2014

Plasma Chem Plasma Process

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Mechanism of phenol degradation processes induced by direct-current atmospheric-pressure discharge in air

Cited by 11 publications

References 10 publications

Recent Progress in Applications of Atmospheric Pressure Plasma for Water Organic Contaminants’ Degradation

Recent Progress in Applications of Atmospheric Pressure Plasma for Water Organic Contaminants’ Degradation

Influence of parameters of oxygen atmospheric-pressure dielectric barrier discharge on the degradation kinetics of sulfonol in water

Peculiarities of Energy Efficiency Comparison of Plasma Chemical Reactors for Water Purification from Organic Substances

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