[Scanning electron microscopic studies of the microbial colonization of slow sand filters].

@article{Esch1988ScanningEM,
  title={[Scanning electron microscopic studies of the microbial colonization of slow sand filters].},
  author={Patrick van Esch and Alexander Nehrkorn},
  journal={Zentralblatt fur Bakteriologie, Mikrobiologie und Hygiene. Serie B, Umwelthygiene, Krankenhaushygiene, Arbeitshygiene, praventive Medizin},
  year={1988},
  volume={185 6},
  pages={569-79}
}
Using scanning electron microscopy (SEM), we studied the periphyton on the filter material of slow sand filters (SSF)--main basins--from the water-works in Geisecke/Ruhr. Table 1 presents information about the quantitative vertical distribution of the filter material with its size and shape, water-storage, nutrient content and the presence of bacteria. The proportion of microbial growth to microbial content was high with 80% found in the upper and about 70% in the lower part of the filter body… CONTINUE READING

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