IST-Anlagenbau GmbH

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Operating Experiences
Composting Effects With Sludge Of The Water Treatment Plant In Hammerstein, Germany

Adding of dried sludge with a dry matter of
92% to the wet cake having dry matter of 20%
Melaxing with the turning machine
Temperature of 61,7 °C at the depth
of 12 cm below the surface
Turning process with vapour release

The effects of the composting activities are:
- Loss of additional water
- Reduction of the organic matter by 10%
- Pasteurizing the sludge due to temperatures around 60 °C