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Applied and Environmental Microbiology, May 1999, p. 2276-2278, Vol. 65, No. 5
0099-2240/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

Microbial Degradation of Octamethylcyclotetrasiloxane

R. Grümping,1,* K. Michalke,2 A. V. Hirner,1 and R. Hensel2

Institute of Environmental Analytical Chemistry1 and Department of Microbiology,2 University of Essen, D-45177 Essen, Germany

Received 16 November 1998/Accepted 25 February 1999

The microbial degradation of low-molecular-weight polydimethylsiloxanes was investigated through laboratory experiments. Octamethylcyclotetrasiloxane was found to be biodegraded under anaerobic conditions in composted sewage sludge, as monitored by the occurrence of the main polydimethylsiloxane degradation product, dimethylsilanediol, compared to that found in experiments with sterilized control samples.

* Corresponding author. Mailing address: Institute of Environmental Analytical Chemistry, University of Essen, Universitatsstrasse 3-7, D-45117 Essen, Germany. Phone: (0201) 183-3947. Fax: (0201) 183-3951. E-mail: rainer.gruemping{at}uni-essen.de.

Applied and Environmental Microbiology, May 1999, p. 2276-2278, Vol. 65, No. 5
0099-2240/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.




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