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Journal Article

In situ structure/function studies in wastewater treatment systems

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Schramm,  Andreas
Permanent Research Group Microsensor, Max Planck Institute for Marine Microbiology, Max Planck Society;

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de Beer,  Dirk
Permanent Research Group Microsensor, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Amann,  Rudolf I.
Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Citation

Schramm, A., de Beer, D., van den Heuvel, H., Ottengraf, S., & Amann, R. I. (1998). In situ structure/function studies in wastewater treatment systems. Water Science and Technology, 37(4-5), 413-416. doi:10.1016/S0273-1223(98)00140-1.


Cite as: https://hdl.handle.net/21.11116/0000-0005-3F88-C
Abstract
As an example of the importance and the potential of in situ structure/function studies, nitrifying aggregates from different zones of a lab-scale fluidised bed reactor were analysed by microelectrode measurements of O-2, NH4+, NO2-, and NO3- and in situ hybridisation targeting the 16S rRNA of the nitrifying bacteria. A shift from an ammonia oxidising to a nitrite oxidising community is present along the reactor. In the single aggregates an active nitrifying shell of about 100 mu m could be related to the maximum abundance of nitrifiers in this zone. Interestingly, the main actors in this system are not representatives of the well-described genera Nitrosomonas and Nitrobacter but some other ammonia oxidisers from the beta subclass of Proteobacteria and a thus far unknown nitrite oxidising population. (C) 1998 IAWQ. Published by Elsevier Science Ltd.