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Preliminary studies on the relationship between sewage sludge viscosities and the nature of the surfaces of the component particles

✍ Scribed by C. F. Forster

Publisher
Springer Netherlands
Year
1981
Tongue
English
Weight
219 KB
Volume
3
Category
Article
ISSN
0141-5492

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✦ Synopsis

The rheological properties of sewage sludges can have a considerable influence on their handling properties. This paper describes some preliminary investigations which suggest that the interactions causing the non-Newtonian behaviour of sludge may be associated with the surface charge.

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The pyrolysis and combustion of 17 sewage sludges were studied by thermogravimetry. The dynamic experiments were carried out at 10 8C min Γ€1 , and three different behaviours were observed at the decomposition curves. One of them shows combustion and pyrolysis curves that are parallel until high temp