Effect of inoculum and sludge concentration on viscosity evolution of anaerobic granular sludges

The rheological behaviour of granular sludges (diameter 20-315 microm) originating from different anaerobic reactors was carried out using rotation tests. The sieved granular sludges suspensions display a non-Newtonian rheological behaviour and the limit viscosity was therefore used as a rheological...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 52(2005), 1-2 vom: 30., Seite 509-14
1. Verfasser: Pevere, A (VerfasserIn)
Weitere Verfasser: Guibaud, G, van Hullebusch, E, Lens, P, Baudu, M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Sewage
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245 1 0 |a Effect of inoculum and sludge concentration on viscosity evolution of anaerobic granular sludges 
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520 |a The rheological behaviour of granular sludges (diameter 20-315 microm) originating from different anaerobic reactors was carried out using rotation tests. The sieved granular sludges suspensions display a non-Newtonian rheological behaviour and the limit viscosity was therefore used as a rheological parameter. The values obtained, which depend on the shear rate used, were strongly influenced by the total suspended solids (TSS) content of granular sludge and an exponential relation was found between the TSS and the rheological parameter limit viscosity. The increase of viscosity as a function of TSS content of the granular sludge as well as the increase of granule size underlines the importance of the interaction between granules in the evolution of this rheological parameter. Significant differences in granular sludge limit viscosity were found for granular sludge of different origins. All measurements performed with 10 g.l(-1) TSS granular sludge indicate the ability of the chosen rheological parameter to describe different granular sludge quality 
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700 1 |a van Hullebusch, E  |e verfasserin  |4 aut 
700 1 |a Lens, P  |e verfasserin  |4 aut 
700 1 |a Baudu, M  |e verfasserin  |4 aut 
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