Abstract
Denitrifying sulfide removal (DSR) process simultaneously converts sulfide, nitrate, and chemical oxygen demand from industrial wastewaters to elemental sulfur, nitrogen gas, and carbon dioxide, respectively. This investigation utilizes a dilution-to-extinction approach at 10-2 to 10-6 dilutions to elucidate the correlation between the composition of the microbial community and the DSR performance. In the original suspension and in 10 -2 dilution, the strains Stenotrophomonas sp., Thauera sp., and Azoarcus sp. are the heterotrophic denitrifiers and the strains Paracoccus sp. and Pseudomonas sp. are the sulfide-oxidizing denitrifers. The 10-4 dilution is identified as the functional consortium for the present DSR system, which comprises two functional strains, Stenotrophomonas sp. strain Paracoccus sp. At 10-6 dilution, all DSR performance was lost. The functions of the constituent cells in the DSR granules were discussed based on data obtained using the dilution-to-extinction approach. © 2009 Springer-Verlag.
| Original language | English |
|---|---|
| Pages (from-to) | 353-358 |
| Journal | Applied Microbiology and Biotechnology |
| Volume | 86 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Mar 2010 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation
Research Keywords
- Denitrifier
- Denitrifying sulfide removal
- Functional consortium
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