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The fate of chlorinated organic pollutants in a reed-bed system.

MacLeod, Christopher J. A. and Reid, Brian J. and Semple, Kirk T. (1999) The fate of chlorinated organic pollutants in a reed-bed system. In: PHYTOREMEDIATION AND INNOVATIVE STRATEGIES FOR SPECIALIZED REMEDIAL APPLICATIONS, 1900-01-01.

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Abstract

A laboratory-based microcosm study was carried out to investigate the fate of [UL-C-14] 1,2-dichlororoethane and [UL-C-14]chlorobenzene in the presence and absence of reeds (Phragmites sp.), monitoring volatilization and mineralization of the pollutants. At the end of the incubation, the microcosms were destructively sampled to assess soil-bound and plant-associated fi actions. After 47 4 7.31%+/-1.30 for the reed system, and 6.20%+/-0.34 for the no-reed system of the added [UL-C-14]1,2-dichloroethane was mineralized. Of the added [UL-C-14]chlorobenzene, 26.99%+/-1.86 for the reed system and 15.91%+/-2.64 for the no-reed system was mineralized. However, the dominant loss process for both compounds was volatilization. After 20 d, 59.0%+/-9.6 and 79.7+/-5.8 of the added [UL-C-14] 1,2-dichloroethane was volatilized in the reed and no-reed systems respectively. [UL-C-14]Chlorobenzene was volatilized to a smaller extent, with. 31.6%+/-1.8 for the reed system and 31.4%+/-3.1 in the no-reed system being volatilized. This study shows that reeds and the associated rhizosphere can enhance the degradation of semi-volatile compounds, such as chlorobenzene.}

Item Type: Conference or Workshop Item (Other)
Journal or Publication Title: PHYTOREMEDIATION AND INNOVATIVE STRATEGIES FOR SPECIALIZED REMEDIAL APPLICATIONS
Additional Information: 5th International In Situ and On-Site Bioremediation Symposium, SAN DIEGO, CA, APR 19-22, 1999
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 18590
Deposited By: Prof Kirk T. Semple
Deposited On: 27 Oct 2008 14:15
Refereed?: No
Published?: Published
Last Modified: 27 Jul 2012 01:59
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18590

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