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Taylor & Francis, Journal of Environmental Science and Health, Part A, 3(41), p. 303-313

DOI: 10.1080/10934520500423154

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Removal of 1,3-Dichloro2-Propanol and 3-Chloro1,2-Propanediol by the Whole Cell System ofPseudomonas putidaDSM 437

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The removal of 1,3-dichloro-2-propanol (1,3-DCP), 3-chloro-1,2-propanediol (3-CPD) and their mixtures at concentrations up to 1000 mg · L−1 by the whole cell system of Pseudomonas putida DSM 437 was investigated. The 1,3-DCP removal rates ranged from 2.36 to 10.55 mg · L−1 · h−1; 3-CPD exhibited approximately two times higher removal rates compared to 1,3-DCP for all concentrations tested. Removal of 1,3-DCP and 3-CPD followed first-order kinetics with rate constants of 0.0109 h−1 and 0.0206 h−1, respectively. When the whole cell system of P. putida DSM 437 was applied to mixtures of the two halohdrins, complete removal of 1,3-DCP was achieved at 144 h while removal of 3-CPD was completed at times ranging from 72 to 144 h. Time to achieve 50% removal of both halohydrins depends on the initial concentration of each in the mixture. For 1,3-DCP, it ranged from 40.55 h at 200 mg · L−1 to 53.28 h at 500 mg · L−1 while the respected values for 3-CPD were 33.39 and 68.91 h.