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DSC and SEM Analysis on Bound Water Characteristics in Sewage Sludge

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Abstract:

Water structure present in sewage sludge with different moisture content was analyzed by differential scanning calorimeter(DSC).The sharp endothermic peaks that appeared at 6.14°C(95.87%wet basis),5.22°C(87.20%wet basis),1.33°C(71.20%wet basis).The calculation results , amount of bound water based on peak temperature and peak area, could account for stick phase of sewage sludge combined with SEM analysis results. Finally,mechanical mechanism of different phases(liquid phase, sticky phase, granule phase) were tentively described by schematic diagrams.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

2085-2089

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.2085

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Online since:

October 2011

Authors:

Wei Yun Wang, Ai Min Li, Xiao Min Zhang

Keywords:

Bound Water, Differential Scanning Calorimetry (DSC), Free Water, SEM Analysis, Sewage Sludge

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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