Degradation of chelating agents in aqueous solution using advanced oxidation process (AOP)

Sillanpää, Mika; Kurniawan, Tonni Agustiono; Lo, Wai‐Hung

doi:10.1016/j.chemosphere.2011.01.007

Cited by 193 publications

(78 citation statements)

References 168 publications

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“…The effects of AOPs have been studied for different kinds of wastewater (Agustina et al 2005;Sillanpää et al 2011;Choi et al 2013;Del Moro et al 2013) and are a good option for the removal of persistent pollutants when conventional processes are not enough (Moreira et al 2005). In addition, due to high disinfection efficiency, the AOPs are considered a good treatment against most viruses, bacteria and protozoa (Guo et al 2009;Rubio et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Kinetic modelling of TOC removal by H2O2/UV, photo-Fenton and heterogeneous photocatalysis processes to treat dye-containing wastewater

López-López

Martín-Pascual

Martı́nez-Toledo

et al. 2015

Int. J. Environ. Sci. Technol.

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Wastewater from textile manufacturing introduces recalcitrant organic compounds, such as dyes and toxic by-products into the environment, where advanced oxidation processes are used to treat toxic and non-biodegradable organic pollutants which cannot be removed by traditional methods. H 2 O 2 /UV, photo-Fenton and heterogeneous photocatalysis (TiO 2 /H 2 O 2 /UV) processes were used, and the effect of the hydraulic retention time on total organic carbon (TOC) removal was evaluated by fitting the analytical data for the three processes to different kinetic models. The high correlation between empirical and modelled data was accomplished with a pseudo-first-order model for the three processes (R 2 = 0.9823 ± 0.017). Mineralisation, decolourisation and disinfection of textile wastewater were investigated with laboratory-scale experiments for each process. Data showed that when 5 g/L H 2 O 2 was used, heterogeneous photocatalysis was the most effective method for the removal of TOC (94.55 %). With respect to colour, all three processes achieved nearly 100 % removal (99.6, 99.3 and 99.9 % at 120 min for the H 2 O 2 /UV, photo-Fenton and TiO 2 /H 2 O 2 /UV processes, respectively).

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Section: Introductionmentioning

confidence: 99%

Kinetic modelling of TOC removal by H2O2/UV, photo-Fenton and heterogeneous photocatalysis processes to treat dye-containing wastewater

López-López

Martín-Pascual

Martı́nez-Toledo

et al. 2015

Int. J. Environ. Sci. Technol.

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“…Under alkaline environment, ozone is catalyzed by OH -in basic conditions to intermediate compounds such as superoxide, HO radicals and HO2 radicals which are highly reactive. Apart from pH, the degradation of target compounds in the liquid phase corresponds to the amount and form (species) of oxidants present in a reactor [19].…”

Section: Ozonationmentioning

confidence: 99%

Treatment Technologies for Organic Wastewater

Zheng¹,

Zhao²,

Zhou³

et al. 2013

Water Treatment

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“…Scientists have proposed several degradation processes to remediate water containing highly toxic organic compounds such as dyes, herbicides, pesticides, pharmaceuticals, and detergents, among other contaminants. [1][2][3][4][5] However, the industrial application of remediation processes requires the design of cheaper and more efficient methods with minimum side effects.…”

Section: Introductionmentioning

confidence: 99%

Degradation of the Dye Reactive Blue 4 by Coupled Photoassisted Electrochemistry at DSA^®-Type Electrode

Silva

Andrade

2015

Journal of the Brazilian Chemical Society

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We investigated the photoelectrochemical oxidation of the dye Reactive Blue 4 in the presence of a DSA ® -type electrode of nominal composition Ti/Ru 0.3 Ti 0.7 O 2 under ultraviolet radiation, aiming to enhance the degradation yields of this dye. We conducted the photoelectrocatalytic treatment under galvanostatic control, using an 80 W mercury vapor lamp as the UV source. We also compared unassisted electrooxidative processes and photocatalytic processes with photoelectrochemical oxidation, to gain better insight into the employed advanced oxidation processes and to evaluate their applicability. The photoelectrooxidative process conducted at 37.8 mA cm -2 promoted fast color removal in the tested solution. The chemical oxygen demand and total organic carbon decreased by approximately 64.7 and 42.7%, respectively. High performance liquid chromatography, gas chromatography coupled to mass spectrometry helped to identify the intermediate compounds produced along the photoelectrochemical process, namely phthalic anhydride, phthalimide, phthalide, 1,3-indanone, and benzoic acid.

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Degradation of chelating agents in aqueous solution using advanced oxidation process (AOP)

Cited by 193 publications

References 168 publications

Kinetic modelling of TOC removal by H2O2/UV, photo-Fenton and heterogeneous photocatalysis processes to treat dye-containing wastewater

Kinetic modelling of TOC removal by H2O2/UV, photo-Fenton and heterogeneous photocatalysis processes to treat dye-containing wastewater

Treatment Technologies for Organic Wastewater

Degradation of the Dye Reactive Blue 4 by Coupled Photoassisted Electrochemistry at DSA^®-Type Electrode

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Degradation of chelating agents in aqueous solution using advanced oxidation process (AOP)

Cited by 193 publications

References 168 publications

Kinetic modelling of TOC removal by H2O2/UV, photo-Fenton and heterogeneous photocatalysis processes to treat dye-containing wastewater

Kinetic modelling of TOC removal by H2O2/UV, photo-Fenton and heterogeneous photocatalysis processes to treat dye-containing wastewater

Treatment Technologies for Organic Wastewater

Degradation of the Dye Reactive Blue 4 by Coupled Photoassisted Electrochemistry at DSA®-Type Electrode

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Degradation of the Dye Reactive Blue 4 by Coupled Photoassisted Electrochemistry at DSA^®-Type Electrode