Title |
Degradation of progestagens by oxidation with potassium permanganate in wastewater effluents
|
---|---|
Published in |
BMC Chemistry, May 2013
|
DOI | 10.1186/1752-153x-7-84 |
Pubmed ID | |
Authors |
Paul B Fayad, Arash Zamyadi, Romain Broseus, Michèle Prévost, Sébastien Sauvé |
Abstract |
This study investigated the oxidation of selected progestagenic steroid hormones by potassium permanganate at pH 6.0 and 8.0 in ultrapure water and wastewater effluents, using bench-scale assays. Second order rate constants for the reaction of potassium permanganate with progestagens (levonorgestrel, medroxyprogesterone, norethindrone and progesterone) was determined as a function of pH, presence of natural organic matter and temperature. This work also illustrates the advantages of using a novel analytical method, the laser diode thermal desorption (LDTD-APCI) interface coupled to tandem mass spectrometry apparatus, allowing for the quick determination of oxidation rate constants and increasing sample throughput. |
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