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Ozonation of Aqueous Solution of Alpha Endosulfan

Ozonation of Aqueous Solution of Alpha Endosulfan

Mustafa S Yazgan, Cumali Kinaci, Ismail Toroz

J Environ Sci Health B. 2003 Nov;38(6):843-53.

PMID: 14649713

Abstract:

Ozonation of alpha endosulfan and the effects of some parameters such as pH, temperature and partial pressure on ozonation were investigated and the kinetic constants were calculated in this study. Alpha endosulfan solutions were ozonated in a lab-scale semi-batch reactor under variable experimental conditions. Increase in dissolved ozone concentration had a positive effect on oxidation rate. Alpha endosulfan could be removed up to 94% at pH 4 for an ozonation time of 60 minutes. The oxidation reaction was found to be of second order and of first order with respect to both ozone and alpha endosulfan. The temperature dependent reaction expression of alpha endosulfan was obtained as kd = (1.889 exp(- 2.21 x 10(-3)/T). It was concluded that, although the rate of reaction was lower than the rate of other pesticide oxidation reported in the literature. alpha endosulfan presented an obvious reaction to ozonation.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP33213659-A	β-Endosulfan solution		33213-65-9	Price
AP959988-B	α-Endosulfan solution		959-98-8	Price

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