Anaerobic and aerobic transformations affecting stability of dewatered sludge during long-term storage in a lagoon

The goal of this work was to study long-term behavior of anaerobically digested and dewatered sludge (biosolids) in a lagoon under anaerobic and aerobic conditions to determine the stability of the final product as an indicator of its odor potential. Field lagoons were sampled to estimate spatial an...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 84(2012), 1 vom: 15. Jan., Seite 17-24
1. Verfasser: Lukicheva, Irina (VerfasserIn)
Weitere Verfasser: Tian, Guanglong, Cox, Albert, Granato, Thomas, Pagilla, Krishna
Format: Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Sewage
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520 |a The goal of this work was to study long-term behavior of anaerobically digested and dewatered sludge (biosolids) in a lagoon under anaerobic and aerobic conditions to determine the stability of the final product as an indicator of its odor potential. Field lagoons were sampled to estimate spatial and temporal variations in the physical-chemical properties and biological stability characteristics such as volatile solids content, accumulated oxygen uptake, and soluble protein content and odorous compound assessment. The analyses of collected data suggest that the surface layer of the lagoon (depth of above 0.15 m) undergoes long-term aerobic oxidation resulting in a higher degree of stabilization in the final product. The subsurface layers (depth 0.15 m below the surface and deeper) are subjected to an anaerobic environment where the conditions favor the initial rapid organic matter degradation within approximately the first year, followed by slow degradation 
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700 1 |a Tian, Guanglong  |e verfasserin  |4 aut 
700 1 |a Cox, Albert  |e verfasserin  |4 aut 
700 1 |a Granato, Thomas  |e verfasserin  |4 aut 
700 1 |a Pagilla, Krishna  |e verfasserin  |4 aut 
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