Zero-valent iron/persulfate(Fe0/PS) oxidation acetaminophen in water

Deng, Jing; Shao, Yawei; Gao, Naiyun; Deng, Yang; Tan, Chaoqun; Zhou, Shiqing

doi:10.1007/s13762-013-0284-2

Cited by 95 publications

(32 citation statements)

References 39 publications

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“…In order to solve this disadvantage, the use of ZVI has been proposed in literature, as an alternative to the addition of Fe 2+ given that ZVI allows a slow release of Fe 2+ to the aqueous phase, minimizing the extension of reaction. Studies with PS + ZVI concern mainly water treatment (Deng et al, 2014;Liang and Guo, 2010;Liang and Lai, 2008;Oh et al, 2009) and to a lower extent soil treatment (Oh and Shin, 2014), where a ZVI powder was used as activator of persulfate for the treatment of a diesel-contaminated soil. To solve the suitability of the injection of ZVI in geological porous the use of ZVI in the form of nanoparticles has been studied (Al-Shamsi and Thomson, 2013).…”

Section: Introductionmentioning

confidence: 99%

Use of different kinds of persulfate activation with iron for the remediation of a PAH-contaminated soil

Peluffo

Pardo

Santos

et al. 2016

Science of The Total Environment

106

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Section: Introductionmentioning

confidence: 99%

Use of different kinds of persulfate activation with iron for the remediation of a PAH-contaminated soil

Peluffo

Pardo

Santos

et al. 2016

Science of The Total Environment

106

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“…Therefore, the development of new efficient approaches is required to decrease the TC antibiotic discharge into the environment. In general, advanced oxidation processes (AOPs) are the most efficient technology for degradation of various refractory pollutants in aqueous solutions and, during the last few decades, have been widely applied for removal of many organic pollutants such as ozonation (Khan et al 2010), Fenton (Zgajnar Gotvajn et al 2013), photo-Fenton (Liu et al 2012), ultrasound waves (Mahvi 2009;Mahvi et al 2009), sonochemical (Ifelebuegu et al 2014), photosonochemical processes (Mahvi and Maleki 2010;Hoseini et al 2013b), ultraviolet irradiation (Dobaradaran et al 2010), and sulfate radical-based oxidation (Tay et al 2013;Lin et al 2014;Deng et al 2014). In recent years, AOPs have been demonstrated to be an effective technology for the removal of pharmaceuticals, including TC antibiotics (Maroga et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic degradation of tetracycline using nanosized titanium dioxide in aqueous solution

Safari

Hoseini

Seyedsalehi

et al. 2014

Int. J. Environ. Sci. Technol.

236

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The aim of the study was to investigate the degradation kinetics of tetracycline antibiotic by nanosized titanium dioxide under ultraviolet irradiation. Enhancement of photocatalysis by addition of Hydrogen peroxide was also evaluated. Various experimental parameters such as initial tetracycline concentrations, initial titanium dioxide concentration, initial pH, reaction times, initial Hydrogen peroxide concentrations, as well as water matrix using ultrapure water, drinking water and secondary effluent were investigated. The initial rate of photocatalytic degradation of tetracycline well fitted the Langmuir-Hinshelwood kinetic model (R 2 = 0.9926) with a reaction rate constant of 1.4 mg/L min. The degradation rate depended on initial tetracycline concentration and initial pH. The degradation rate also increased with higher titanium dioxide density and reached a plateau at titanium dioxide concentration of 1.0 g/L. The tetracycline degradation rate was higher in drinking water compared to ultrapure water. The addition of Hydrogen peroxide to titanium dioxide suspension significantly enhanced the tetracycline degradation rate and substantially reduced the time required to degrade 100 % of tetracycline. Changes of chemical oxygen demand values during photolysis indicated that tetracycline transformed into intermediate products without complete mineralization. The ultraviolet visible spectra obtained before and after ultraviolet irradiation in the presence of titanium dioxide can indicate the formation of 4a,12a-anhydro-4-oxo-4-dimethylaminotetracycline.

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“…Two different types of fly ash (FA1 and FA2) have been reported as useful activators for treatment of pharmaceutical effluent, which decreased the activation energy from 122.56 kJ mol −1 to 23.32 and 47.64 kJ mol −1 , respectively [20]. In other research, the presence of Fe 0 as an activator to degrade acetaminophen resulted in the reduction of the activation energy from 120.4 to 36.1 kJ mol −1 [41]. The ESR at different temperatures ranging from 5 to 50 °C are presented in Table 1.…”

Section: Effect Of Temperature and Activation Energymentioning

confidence: 91%

“…However, as the CS/PS ratio was increased to 8, a slight growth in the removal efficiencies of COD and NH 3 was achieved, which may be due to the fact that the excessive amount of PS can react with SO4 •− , according to Equation (6) and convert it to sulfate ion [40]. Alternatively, sulfate radicals can react with each other; as a consequence, they have a quenching effect on the sulfate radical production at high concentration, according to Equation (7) [41]. Therefore, the PS/COD ratio of 4 was selected to perform the following experiments.…”

Section: Effect Of Converter Sludge Dosage and Ps/cod Mass Ratiomentioning

confidence: 99%

Activation of Persulfate Using an Industrial Iron-Rich Sludge as an Efficient Nanocatalyst for Landfill Leachate Treatment

et al. 2018

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In this research, the performance of nanomaterials obtained from the converter sludge (CS) of Esfahan Steel Company, Iran was investigated for the activation of persulfate (PS). The experiments were conducted on real and synthetic leachates. CS showed high catalytic activity for removal of chemical oxygen demand COD and NH 3 because of its high iron oxide content. The effects of pH, CS dosage, and PS/COD ratio, temperature, and reaction time on the removal of COD and NH 3 were evaluated to optimize operational conditions (pH 2, CS dosage: 1.2 g L −1 , PS/COD: 4, and reaction time: 60 min). Maximum COD and NH 3 removal efficiencies were 73.56 and 63.87%, respectively. Finally, the optimized process was applied for treatment of a real leachate sample. Although the treated leachate was not suitable to discharge into the environment, an increase in the 5-day biochemical oxygen demand (BOD 5 ) and biodegradability (BOD 5 /COD) of leachate after treatment indicated that the effluent can be biologically treated. As a consequence, it can be combined with sewage or can be returned to the landfill.

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Zero-valent iron/persulfate(Fe0/PS) oxidation acetaminophen in water

Cited by 95 publications

References 39 publications

Use of different kinds of persulfate activation with iron for the remediation of a PAH-contaminated soil

Use of different kinds of persulfate activation with iron for the remediation of a PAH-contaminated soil

Photocatalytic degradation of tetracycline using nanosized titanium dioxide in aqueous solution

Activation of Persulfate Using an Industrial Iron-Rich Sludge as an Efficient Nanocatalyst for Landfill Leachate Treatment

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