Degradation of Two Commercial Anionic Surfactants by Means of Ozone and/or UV Irradiation

Amat, Ana M.; Arqués, A.; Miranda, Miguel A.; Vincente, R.; Segui, S.

doi:10.1089/ees.2006.0030

Cited by 24 publications

(14 citation statements)

References 10 publications

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“…This is to the contrary of the previous results for ozonization of SDS where adding hydrogen peroxide influenced SDS degradation. 26 However, the most significant difference between those results and our work is pH. After first passing through the DBD reactor, pH decreased from starting pH 7 to 3.5 in the case of SDS.…”

Section: Influence Of Homogenous Catalystscontrasting

confidence: 83%

Degradation of anionic surfactants using the reactor based on dielectric barrier discharge

Aonyas

Dojčinović

Dolić

et al. 2016

JSCS

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Two anionic surfactants (sodium lauryl sulfate-SDS and sodium dodecylbenzenesulfonate-SDBS) were treated with dielectric barrier discharge. Loss of surfactant activity, decrease in chemical oxygen demand (COD) and total organic carbon (TOC) as well as lower toxicity of degradation products was determined. Effects of catalysts-hydrogen peroxide and iron (II), on the above mentioned parameters, were determined. Catalysts affected the degradation of SDBS, but in the case of SDS, catalysts had no effect on degradation. Both catalysts induced the decrease of COD and TOC values. Toxicity of the solutions after the plasma treatment was lower in all the systems tested.

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Section: Influence Of Homogenous Catalystscontrasting

confidence: 83%

Degradation of anionic surfactants using the reactor based on dielectric barrier discharge

Aonyas

Dojčinović

Dolić

et al. 2016

JSCS

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“…Repeated measurements of particle diameters for these two latices gave the same results. Contrary to gamma rays, UV light does not degrade SDS by itself but only in the presence of ozone as used for water pollution remediation 51. Thus, the loss of surfactant cannot be the reason for explaining this irregular behavior.…”

Section: Resultsmentioning

confidence: 93%

Crosslinking of poly(vinyl acetate) nanolatices by gamma and UV radiation

Meléndez-Ortiz

Flores-Martínez

Bucio

et al. 2012

J of Applied Polymer Sci

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Poly(vinyl acetate) PVAc, in nanolatices with 10% polymer content, prepared by microemulsion polymerization was crosslinked by gamma and UV radiation. PVAc colloidal nanoparticles (average diameter, Dp = 58 nm) had Mw = 562,000 g/mol and about 95% conversions. PVAc nanolatices irradiated by gamma rays (1–13 kGy) at room temperature without crosslinking agent and by UV light (30–300 s exposure times) in the presence of divinylbenzene and allyl methacrylate showed crosslinking of up to 96% (high gel content), Dp < 100 nm and did not degrade as shown by FTIR spectroscopy. DSC and TGA characterization of irradiated PVAc samples indicated that Tg temperatures increased from 28°C for PVAc to 42°C and 39°C for UV and gamma rays crosslinked PVAc, respectively, whereas 10% weight losses occurred at 261°C for uncrosslinked PVAc and at 320 and 313°C for UV and gamma rays crosslinked PVAc. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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“…Advanced oxidation processes have been investigated previously for surfactant wastewater treatment using Fenton oxidation (Lin et al 1999;Bandala et al 2008); electrochemical oxidation (Gu et al 2006), ozone and/or UV irradiation (Amat et al 2007) and Beltran and co-workers (2000) have also reported the kinetics of decomposition of DBS with ozone, but most of these studies have concentrated on the kinetics of removal of the surfactant rather than the decrease in total organic carbon.…”

Section: Resultsmentioning

confidence: 99%

Mineralisation of Surfactants Using Ultrasound and the Advanced Fenton Process

Naldoni

Schiboula

Bianchi

et al. 2010

Water Air Soil Pollut

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The destruction of the surfactants, sodium dodecylbenzene sulfonate (DBS) and dodecyl pyridinium chloride (DPC), using an advanced oxidation process is described. The use of zero valent iron (ZVI) and hydrogen peroxide at pH = 2.5 (the advanced Fenton process), with and without, the application of 20 kHz ultrasound leads to extensive mineralisation of both materials as determined by total organic carbon (TOC) measurements. For DBS, merely stirring with ZVI and H 2 O 2 at 20°C leads to a 51% decrease in TOC, but using 20 kHz ultrasound at 40°C, maintaining the pH at 2.5 throughout and adding extra amounts of ZVI and H 2 O 2 during the degradation, then the extent of mineralisation of DBS is substantially increased to 93%. A similar result is seen for DPC where virtually no degradation occurs at 20°C, but if extra amounts of both ZVI and hydrogen peroxide are introduced during the reaction at 40°C and the pH is maintained at 2.5, then an 87% mineralisation of DPC is obtained. The slow latent remediation of both surfactants and the mechanism of degradation are also discussed.

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Degradation of Two Commercial Anionic Surfactants by Means of Ozone and/or UV Irradiation

Cited by 24 publications

References 10 publications

Degradation of anionic surfactants using the reactor based on dielectric barrier discharge

Degradation of anionic surfactants using the reactor based on dielectric barrier discharge

Crosslinking of poly(vinyl acetate) nanolatices by gamma and UV radiation

Mineralisation of Surfactants Using Ultrasound and the Advanced Fenton Process

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