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Title of Journal: FEMS Microbiol Lett

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Abbravation: FEMS Microbiology Letters

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Narnia

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DOI

10.1007/bf02898657

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0378-1097

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Bacterial populations in the biofilm and nonbiofi

Authors: ElMasry M Hisham Hassouna M Salah ElRakshy Nihal Mousa I ElSayed
Publish Date: 1995/09/01
Volume: 131, Issue: 3, Pages: 263-269
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Abstract

M Hisham ElMasry M Salah Hassouna Nihal ElRakshy I ElSayed Mousa Bacterial populations in the biofilm and nonbiofilm components of a sand filter used in water treatment FEMS Microbiology Letters Volume 131 Issue 3 September 1995 Pages 263–269 https//doiorg/101111/j157469681995tb07786xThe bacterial composition of the biofilm and nonbiofilm components of a rapid sand filter used in water purification in Alexandria Egypt was determined The total bacterial population was 6430 × 104 cfu g−1 at the surface of the filter but this decreased to 2152 × 104 cfu g−1 at a depth of 50 cm Representatives of 22 genera were identified with five genera Micrococcus luteus Pseudomonas spp Alcaligenes spp Citrobacter spp and Enterobacter spp considered to be members of the biofilm consortium as they were present at all tested levels of the sand filter and were resistant to removal by wash treatments The biofilm consortium made up 503 of the total bacterial population at the surface of the filter and 711 of the population at the 50cm level Bacteria able to reduce nitrate and/or sulfate were present in both the biofilm and nonfilm populations

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References

citation author=American Public Health Association citation publisher=American Public Health Association Washington DC citation title=Standard Methods for the Examination of Water and Waste Water citation year=1985

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