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Fundamental and application of aerobic granulation technology for wastewater treatment(14)

Source: | Date: 2011-06-09 | Hits:
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Cell surface hydrophobicity 

Cell surface hydrophobicity is an important affinity force in cell self-immobilization and attachment processes 

(Pringle and Fletcher, 1983; Kos et al., 2003; Liu et al., 2003b). The hydrophobicity of granular sludge was nearly 

twofold higher than that of conventional bioflocs.  

Storage stability 

The loss of granule stability and activity during an extended idling period is associated with the storage temperature. 

A high storage temperature accompanied with the absence of external substrate can lead to endogenous respiration 

and a rapid disintegration of the granules. The loss of granule activity and structural integrity during storage depend 

on the storage temperature, duration, the storage medium, and the characteristics of the granules. Compared to fresh 

granules, the strength of the stored granules has been observed to decrease by 7–8% for glucose- and acetate-fed 

aerobic granules after 4 months

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