Biological Denitrification in Drinking Water Treatment Using the Seaweed Gracilaria Verrucosa as Carbon Source and Biofilm Carrier: Fid-Bau Portal

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Biological Denitrification in Drinking Water Treatment Using the Seaweed Gracilaria Verrucosa as Carbon Source and Biofilm Carrier

Ovez, B. / Mergaert, J. / Saglam, M.

Chemical and microbiological aspects were investigated with regard to biological denitrification of drinking water using the seaweed Gracilaria verrucosa as the carbon and energy substrate and as physical support for the microbial flora in semibatch, fixed‐bed reactors. Complete removal of nitrate (100 mg/L) was readily achieved without accumulation of nitrite. Microbiological analysis indicated that the effluent of the reactor contained high numbers of bacteria (>10 ⁶/mL total count). Among the 44 bacterial strains isolated directly from the samples or isolated after enrichment at 37°C, 25 different fatty acid profiles were found, indicating a complex microflora, including potential pathogens.

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Biological Denitrification in Drinking Water Treatment Using the Seaweed Gracilaria Verrucosa as Carbon Source and Biofilm Carrier

Ovez, B. / Mergaert, J. / Saglam, M.

Chemical and microbiological aspects were investigated with regard to biological denitrification of drinking water using the seaweed Gracilaria verrucosa as the carbon and energy substrate and as physical support for the microbial flora in semibatch, fixed‐bed reactors. Complete removal of nitrate (100 mg/L) was readily achieved without accumulation of nitrite. Microbiological analysis indicated that the effluent of the reactor contained high numbers of bacteria (>10 ⁶/mL total count). Among the 44 bacterial strains isolated directly from the samples or isolated after enrichment at 37°C, 25 different fatty acid profiles were found, indicating a complex microflora, including potential pathogens.

Biological Denitrification in Drinking Water Treatment Using the Seaweed Gracilaria Verrucosa as Carbon Source and Biofilm Carrier

Ovez, B. / Mergaert, J. / Saglam, M.

Chemical and microbiological aspects were investigated with regard to biological denitrification of drinking water using the seaweed Gracilaria verrucosa as the carbon and energy substrate and as physical support for the microbial flora in semibatch, fixed‐bed reactors. Complete removal of nitrate (100 mg/L) was readily achieved without accumulation of nitrite. Microbiological analysis indicated that the effluent of the reactor contained high numbers of bacteria (>10 ⁶/mL total count). Among the 44 bacterial strains isolated directly from the samples or isolated after enrichment at 37°C, 25 different fatty acid profiles were found, indicating a complex microflora, including potential pathogens.

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Title:

Biological Denitrification in Drinking Water Treatment Using the Seaweed Gracilaria Verrucosa as Carbon Source and Biofilm Carrier

Contributors:

Ovez, B. (author) / Mergaert, J. (author) / Saglam, M. (author)

Published in:

Water Environment Research ; 78 ; 430-434

Publication date:

2006-04-01

Size:

5 pages

ISSN:

1554-7531 , 1061-4303

DOI:

https://doi.org/10.2175/106143006X98822

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

drinking water , carbon source , seaweed , Gracilaria verrucosa , biological denitrification , fixed bed

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