Inhibition of sulfide generation by dosing formaldehyde and its derivatives in sewage under anaerobic conditions
Copyright IWA Publishing 2008.
| Veröffentlicht in: | Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 57(2008), 6 vom: 15., Seite 915-9 |
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| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2008
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| Zugriff auf das übergeordnete Werk: | Water science and technology : a journal of the International Association on Water Pollution Research |
| Schlagworte: | Journal Article Research Support, Non-U.S. Gov't Polymers Sewage Formaldehyde 1HG84L3525 urea formaldehyde foam 64869-57-4 Urea 8W8T17847W mehr... |
| Zusammenfassung: | Copyright IWA Publishing 2008. Hydrogen sulfide emission in sewers is associated with toxicity, corrosion, odor nuisance and a lot of costs. The possibility to inhibit sulfide generation by formaldehyde and its derivatives (paraformaldehyde and urea formaldehyde) has been evaluated under anaerobic conditions. The impact of formaldehyde on an activated sludge system and an appraisal of the economic aspects are also presented. The optimum dosage to inhibit sulfide generation in sewage was 12-19 mg L(-1) formaldehyde. The dosages of 32 mg L(-1) paraformaldehyde or 100 mg L(-1) urea formaldehyde were not capable of inhibiting sulfide generation in sewage. The impact of 19 mg L(-1) formaldehyde on activated sludge system was negligible in terms of COD removal, nitrification rate and oxygen uptake rate |
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| Beschreibung: | Date Completed 22.09.2008 Date Revised 19.11.2015 published: Print ErratumIn: Water Sci Technol. 2009;59(6):1247 Citation Status MEDLINE |
| ISSN: | 0273-1223 |
| DOI: | 10.2166/wst.2008.087 |