2022
DOI: 10.1002/wer.10710
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Insights into the role of nanoscale zero‐valent iron in Fenton oxidation and its application in naphthalene degradation from water and slurry systems

Abstract: Few researches have focused on the role of nanoscale zero‐valent iron (nZVI) in Fenton‐like process for polycyclic aromatic hydrocarbons (PAHs) removal. In this study, the naphthalene (NAP) degradation tests in ultrapure water showed that nZVI addition could enhance NAP degradation from 79.7% to 99.0% in hydrogen peroxide (H2O2)/Fe (II)/nZVI/NAP system at the molar ratio of 10/5/3/1, showing the excellent role of nZVI in promoting NAP removal. Multiple linear regression analysis found that the correlation coef… Show more

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Cited by 8 publications
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“…These oxidants must be activated to produce radical species able to degrade rapidly persistent pollutants to increase their oxidising potential. The degradation of NAP has been studied in the literature using H 2 O 2 and PS activated by iron through different methods, for example, using Fe (II) (Fenton reaction) [9,10], ultraviolet and visible light (photo-Fenton) [11], power (electro Fenton) [12], and persulfate activated by iron [13][14][15] or by using both oxidants [16]. Despite the removal of NAP reported in those works often reaching 90%, there are several drawbacks, such as the need to operate at an acidic pH and the generation of iron in the solution, which must be removed in additional treatments (for example, neutralisation, separation, and management of the iron hydroxide sludge generated).…”
Section: Introductionmentioning
confidence: 99%
“…These oxidants must be activated to produce radical species able to degrade rapidly persistent pollutants to increase their oxidising potential. The degradation of NAP has been studied in the literature using H 2 O 2 and PS activated by iron through different methods, for example, using Fe (II) (Fenton reaction) [9,10], ultraviolet and visible light (photo-Fenton) [11], power (electro Fenton) [12], and persulfate activated by iron [13][14][15] or by using both oxidants [16]. Despite the removal of NAP reported in those works often reaching 90%, there are several drawbacks, such as the need to operate at an acidic pH and the generation of iron in the solution, which must be removed in additional treatments (for example, neutralisation, separation, and management of the iron hydroxide sludge generated).…”
Section: Introductionmentioning
confidence: 99%