Treatment of emerging contaminants in simulated wastewater <i>via</i> tandem photo-Fenton-like reaction and nutrient recovery

Silva, Manoj; Eisa, Mohamed; Ragauskaitė, Dovilė; McMinn, Madison H.; Tian, Zhen‐Yu; Williams, Clinton F.; Knopf, Allan; Zhang, Lihua; Baltrušaitis, Jonas

doi:10.1039/d2ew00209d

Cited by 2 publications

(1 citation statement)

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“…Furthermore, MgO has previously exhibited to be an excellent adsorbent [39]. In addition, Silva et al [40] coupled Cu and MgO to promote Fenton's reaction.…”

Section: Resultsmentioning

confidence: 99%

Potential of the Biomass Waste Originating from Saccharum officinarum as a Fenton Precursor for the Efficient Oxidation of Azo Dye from an Aqueous Stream

et al. 2023

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In the current investigation, elements extracted from Saccharum officinarum were identified as exporters of Fenton catalysts. Saccharum officinarum was soaked in an alkali prior to acidic treatment and then subjected to pyrolysis for elemental recovery. X-ray diffraction (XRD) and scanning electron microscopy (SEM) augmented with energy-dispersive X-ray spectroscopy (EDX) were used to identify the prepared catalyst. The material was combined with hydrogen peroxide, which led to Fenton’s reaction. Then, the modified Fenton system was applied to eliminate the textile dye, named Bismarck Brown Azo dye, contaminating the aqueous effluent. Response surface methodological model (RSM) analysis was used to identify the most effective operational parameters, and the model set the optimized values as 39 and 401 mg/L for Saccharum officinarum and H2O2 doses, respectively, at pH 2.9. The maximum Bismarck Brown Azo dye removal achieved was 85%. Increasing the temperature to 60 °C improved the dye oxidation efficiency. However, the dye treatment efficacy was reduced when the dye loading increased. Additionally, the kinetic rate order was investigated and the system was fitted to second-order rate reaction kinetics. The thermodynamic variables show that the reaction is endothermic and non-spontaneous.

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“…Furthermore, MgO has previously exhibited to be an excellent adsorbent [39]. In addition, Silva et al [40] coupled Cu and MgO to promote Fenton's reaction.…”

Section: Resultsmentioning

confidence: 99%

Potential of the Biomass Waste Originating from Saccharum officinarum as a Fenton Precursor for the Efficient Oxidation of Azo Dye from an Aqueous Stream

et al. 2023

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Zinc oxide nanoparticles adsorb emerging pollutants (glyphosate pesticide) from aqueous solutions

Odoemelam,

Oji,

Eddy

et al. 2023

Environ Monit Assess

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Treatment of emerging contaminants in simulated wastewater via tandem photo-Fenton-like reaction and nutrient recovery

Abstract: A tandem strategy that recovers NH4+ and PO43- nutrients from simulated wastewater in a solid form after the Fenton oxidation of emerging organic contaminants was developed. Mesoporous Cu-MgO nanoparticles were...

Cited by 2 publications

References 86 publications

Potential of the Biomass Waste Originating from Saccharum officinarum as a Fenton Precursor for the Efficient Oxidation of Azo Dye from an Aqueous Stream

Potential of the Biomass Waste Originating from Saccharum officinarum as a Fenton Precursor for the Efficient Oxidation of Azo Dye from an Aqueous Stream

Zinc oxide nanoparticles adsorb emerging pollutants (glyphosate pesticide) from aqueous solutions

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