Proximative and Contrastive Study of Malachite Green Dye Degradation Using Microplasma Discharge With Postliminary Phytotoxicity Analysis

Meiyazhagan, S.; Yugeswaran, S.; Ananthapadmanabhan, P.V.; Suresh, K.

doi:10.1109/tps.2020.3005427

Cited by 8 publications

(4 citation statements)

References 26 publications

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“…The pH of the solution is found to decrease with the increase in treatment time. This is due to the acidic nature of RNS such as nitrous and nitric acid that are formed from nitrogen present in the air during the microplasma discharge [11]. The variation of pH as a function of treatment time is given in Figure 1.…”

Section: Resultsmentioning

confidence: 99%

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Degradation of Methylene Blue Using Microplasma Discharge – A Relative Study with Photodegradation

K.P

E.R

Meiyazhagan

et al. 2021

Front. Adv. Mater. Res.

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Large-scale production and application of synthetic dyes have become a matter of concern as it is a major factor responsible for environmental pollution. Most dyeing effluents are discharged into water bodies and lands without being treated, which ultimately pollutes the groundwater making it unfit for consumption. The present study explains the degradation of one of such synthetic dyes Methylene blue (MB), using non-thermal Microplasma treatment. The aqueous solution of MB was treated with an array of air microplasma discharge at atmospheric pressure. Different concentrations (10 ppm, 20 ppm) of MB solution were treated for various treatment time and chemical parameters like pH, electrical conductivity, total dissolved solids and salinity was measured. The degradation percentage reached 100% in 15 min of treatment for 10 ppm MB solution, and 20 min of treatment for 20 ppm MB solution indicated by the color change from blue to a clear solution. The reactive oxygen species (ROS) and reactive nitrogen species (RNS) formed during the microplasma treatment are responsible for MB degradation. Same volume of MB solution was irradiated by direct sunlight for photodegradation and was found to degrade the solution of 10 ppm by 96% and 20 ppm by 93% in 10 hours of treatment. Experimental results indicated that microplasma treatment was effective for dye degradation, without the need for pretreatment process or chemicals.

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Section: Resultsmentioning

confidence: 99%

“…The degradation of Methylene Blue (MB) was carried out using an array of microplasma at atmospheric pressure. The detailed description of the experimental set up is provided in previous publications [11,12]. A fixed input high AC voltage was applied to generate the air microplasma.…”

Section: Methodsmentioning

confidence: 99%

Degradation of Methylene Blue Using Microplasma Discharge – A Relative Study with Photodegradation

K.P

E.R

Meiyazhagan

et al. 2021

Front. Adv. Mater. Res.

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show abstract

“…31 However, few studies have examined the degradation of organic dyes in aqueous solutions with microplasma directly. 31,32 Herein, we report a facile microplasma electrochemistry (MIPEC) method for dye and ciprofloxacin degradation. Using a gas microplasma as an electrode, charge transfer and plasma reactions at the plasma-liquid interface can provide a unique environment for chemical reactions.…”

Section: Introductionmentioning

confidence: 99%

“…31 However, few studies have examined the degradation of organic dyes in aqueous solutions with microplasma directly. 31,32…”

Section: Introductionmentioning

confidence: 99%

Rapid and efficient degradation of organic contaminants using a microplasma electrochemistry method

Zheng,

Song,

et al. 2024

New J. Chem.

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Cold atmospheric plasma mediated cell membrane permeation and gene delivery-empirical interventions and pertinence

Sreedevi,

Suresh

2023

Advances in Colloid and Interface Science

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Proximative and Contrastive Study of Malachite Green Dye Degradation Using Microplasma Discharge With Postliminary Phytotoxicity Analysis

Cited by 8 publications

References 26 publications

Degradation of Methylene Blue Using Microplasma Discharge – A Relative Study with Photodegradation

Degradation of Methylene Blue Using Microplasma Discharge – A Relative Study with Photodegradation

Rapid and efficient degradation of organic contaminants using a microplasma electrochemistry method

Cold atmospheric plasma mediated cell membrane permeation and gene delivery-empirical interventions and pertinence

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