Control of sulphide during anaerobic treatment of S-containing wastewaters by adding limited amounts of oxygen or nitrate

Sulphide generated during anaerobic treatment of S-containing wastewaters represents an environmental problem. Adding limited amounts of oxygen or nitrate (or nitrite) to biologically (or chemically) oxidise sulphide forms a simple process-level strategy to control this problem. This short review ev...

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Veröffentlicht in:	Reviews in environmental science and biotechnology 2008-06, Vol.7 (2), p.93-105
Hauptverfasser:	Cirne, Dores G., van der Zee, Frank P., Fernandez-Polanco, Maria, Fernandez-Polanco, Fernando
Format:	Artikel
Sprache:	eng
Schlagworte:	Anaerobic digestion Anaerobic treatment Atmospheric Protection/Air Quality Control/Air Pollution Bacteria Biodegradation Bioengineering Biogas Bioreactors Biotechnology Chemical reactors Denitrification Earth and Environmental Science Environment Environmental cleanup Environmental Engineering/Biotechnology Equilibrium Fatty acids Fermentation Gases Heavy metals Hydrogen Microbiology Nitrates Oxidation Sludge Studies Sulfides Sulfur View Paper Water treatment
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Beschreibung
Zusammenfassung:	Sulphide generated during anaerobic treatment of S-containing wastewaters represents an environmental problem. Adding limited amounts of oxygen or nitrate (or nitrite) to biologically (or chemically) oxidise sulphide forms a simple process-level strategy to control this problem. This short review evaluates the feasibility and limitations of this strategy on the basis of the results of bioreactor studies.
ISSN:	1569-1705 1572-9826
DOI:	10.1007/s11157-008-9128-9