A Greener Approach for the Degradation of Dye Methylene Blue by Organic Additive Catalysed Photo - Fenton Process

Jain, Abhishek; Ashma, Aggarwal; Marazban, Kotwal

doi:10.4067/s0717-97072016000300007

Cited by 12 publications

(10 citation statements)

References 18 publications

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“…Abhilasha et al, using photo Fenton reaction, removed MB dye under the light. In their research, they determined that 2.33 × 10 -5 M dyestuff was the optimum paint removal amount (Abhilasha 2016).…”

Section: Optimum Mb Dye Concentrationmentioning

confidence: 99%

“…At the end of the research, it was determined that the optimum H 2 O 2 concentration was reached by using 20 mg/L (600 µL of 30% H 2 O 2 ). Abhilasha et al showed in their research that they use 130 µL (30%) H 2 O 2 (Abhilasha 2016). Ayodamope studied the amount of H 2 O 2 in the range of 50-200 mg/L in their study and found that the most suitable concentration is 100 mg/L (Ayodamope 2015).…”

Section: Determination Of Optimum Peroxide Concentrationmentioning

confidence: 99%

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Nanobiocatalyst beds with Fenton process for removal of methylene blue

2021

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The remediation of methylene blue from wastewater using chitosan-sunflower-nano-iron (CSN) beds was examined in this study with the Fenton process. Nano-iron is synthesized using the green synthesis process. Then, biopolymer beds obtained nano-iron, sunflower tray waste, and chitosan. These beds used the Fenton process for removing Methylene blue (MB) from water. Beds synthesis and dye removing are characterized using SEM, TEM, FTIR, and XRD techniques. For the method optimization, the effects of dye concentration, temperature, pH, H2O2, and amount of biocatalyst were studied. The result of the wavelength scan was found 660 nm for methylene blue dye. Using CSN, catalyst was very effective in color removal for MB under optimal conditions. The highest removal rate 98% was obtained at pH 6 for 270 min. The optimum conditions for the MB dye are as follows; dye concentration: 25 mg/L, amount of absorbent: 2.5 mg/mL, temperature: 60 °C, H2O2 amount: 20 mg/L (600 µL, 30%). When the experiment is studied in optimum conditions, max. dye removal was calculated to be 98%. From SEM, TEM, XRD, and FTIR results, the change in the surface of the biocatalyst could be clearly observed. It is understood that the biocatalyst synthesized from the results we obtained easily removed a large amount of dye (MB).

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Section: Optimum Mb Dye Concentrationmentioning

confidence: 99%

Section: Determination Of Optimum Peroxide Concentrationmentioning

confidence: 99%

Nanobiocatalyst beds with Fenton process for removal of methylene blue

2021

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“…The second stage of reaction is dominated with a significant decrease in absorbance. This stage represents degradation reaction where OH radicals mineralize the dye molecules [16]. The degradation of 0.0188 M (50 mL) dye solution obtained after treatment of dye with Fe 3 O 4 and Ag-Fe 3 O 4 for 120 min was 41 and 73%, respectively.…”

Section: Catalytic Activity Of Synthesized Fe 3 O 4 and Ag-fe 3 Omentioning

confidence: 99%

Synthesis of Ag-Fe3O4 nanoparticles for degradation of methylene blue in aqueous medium

Saeed¹,

Usman²,

Muneer³

et al. 2020

Bull. Chem. Soc. Eth.

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Fe3O4 known as magnetite is one of the oxides of iron which plays a major role in various fields of sciences. Fe3O4 was synthesized by precipitation method using NH3.H2O, FeCl2.4H2O and FeCl3.6H2O as precursor materials. For synthesis of 5% Ag-Fe3O4, the green synthetic method was used for immobilization of Ag nanoparticles on Fe3O4 using leaves extract of Calotropis gigantea plant. The synthesized Fe3O4 and 5% Ag-Fe3O4 were employed as catalyst in degradation of methylene blue. The photo catalytic activity of Fe3O4 was remarkably enhanced by doping of Fe3O4 with Ag nanoparticles. Advanced instrumental techniques including XRD, EDX, TGA and SEM were used for characterization of synthesized particles. The immobilization of Ag on Fe3O4 enhanced the photo degradation of methylene blue from 40 to 72% at 40 °C which confirms that 5% Ag-Fe3O4 is an active catalyst for treatment of dye contaminated water. Ag-Fe3O4 exhibited almost same catalytic activity in two successive cycles. Bull. Chem. Soc. Ethiop. 2020, 34(1), 123-134. DOI: https://dx.doi.org/10.4314/bcse.v34i1.11

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“…Many advanced oxidation processes (AOPs), with various approaches including H 2 O 2 /Fenton, UV/TiO 2 , O 3 /H 2 O 2 , UV/ H 2 O 2 , UV/O 3 , ozonation have been studied for the treatment of organic dyes from wastewater [15][16][17]. AOPs are known to generate hydroxyl radical (HO), which is well known as a powerful oxidant with an oxidation potential of around 2.86 V [12,17,18].…”

Section: Introductionmentioning

confidence: 99%

Direct and Indirect Treatment of Organic Dye (Acid Blue 25) Solutions by Using Cold Atmospheric Plasma Jet

et al. 2022

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In this work, the direct and indirect removal of Acid Blue 25 (AB25) from water by using cold atmospheric pressure plasma jet (APPJ) has been demonstrated. APPJ with a pin electrode type configuration operating with argon as a working gas was used as a plasma source for treatments. In this configuration, argon plasma was formed in the contact with surrounding air over the liquid surface. The plasma was driven by using a high voltage radio frequency (RF) power supply. The system was characterized by the measurement of electrical characteristics and by employing optical emission spectroscopy (OES). The electrical characterization gave information about the voltages and currents, i.e., working points of the discharge, as well as power deposition to the sample. OES recorded the emission spectra and confirmed several existing reactive species in the gas phase of the plasma system. During the direct treatment, AB25-containing solution was directly exposed to APPJ. The direct treatment was performed by modifying various experimental parameters, such as initial AB25 concentrations, treatment times, and input powers. In the indirect treatment, AB25 was treated by using plasma activated water (PAW). The characterization of PAW was performed and various plasma-induced long-lived species, such as nitrate (NO3−), nitrite (NO2−) and hydrogen peroxide (H2O2) have been quantified using colorimetric techniques. Besides, blank experiments have been conducted with main constituents in PAW, where AB25 was treated individually by NO3−, NO2−, and H2O2 and with a mixture of these three species. As expected, with the direct treatment almost complete removal of AB25 was achieved. The measurements also provided an insight into the kinetics of the degradation of AB25. In the indirect treatment, PAW removed a significant amount of AB25 within 17 days. In the blank experiments, H2O2 containing solutions created a favourable influence on removal of AB25 from liquid.

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A Greener Approach for the Degradation of Dye Methylene Blue by Organic Additive Catalysed Photo - Fenton Process

Cited by 12 publications

References 18 publications

Nanobiocatalyst beds with Fenton process for removal of methylene blue

Nanobiocatalyst beds with Fenton process for removal of methylene blue

Synthesis of Ag-Fe3O4 nanoparticles for degradation of methylene blue in aqueous medium

Direct and Indirect Treatment of Organic Dye (Acid Blue 25) Solutions by Using Cold Atmospheric Plasma Jet

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