Decomposition of aqueous naphthalene-1,5-disulfonate by means of oxidation processes
2006
Gehringer, P. | Eschweiler, H. | Weiss, S. | Reemtsma, T.
allemand. Three different Advanced Oxidation Processes (ozonation at pH 7.5, electron beam irradiation and a combination ozonation/electron beam irradiation) have been applied to study decomposition of aqueous naphthalene-1,5-disulfonic acid (1,5-NDSA) with regard to mineralization and formation of biodegradable intermediates. Formation of biodegradable intermediates could not be indicated for any of the processes used; single electron beam irradiation treatment was the most efficient process for mineralization of organic carbon contained in aqueous 1,5-NDSA. Applied to a real wastewater effluent from a mixed municipal/industrial wastewater, electron beam irradiation with a radiation dose of 2 kGy was sufficient to reduce the concentrations of all naphthalene sulfonic acids and some of the alkylphenol ethoxylates also contained in that water by about 2 orders of magnitude.
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Editeur Taylor & Francis
ISSN 0191-9512Cette notice bibliographique a été fournie par German Federal Institute for Risk Assessment
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