automatic and energy efficient dewatering unit for waste water treatment: sav
DESCRIPTION
Automatic and energy efficient dewatering unit for waste water treatment: SAV. Ulf Johansson, Stigebrandt Hydroteknik AB , Sweden. 1: Filling and thickening of sludge + polymers. Reject water returns to cleaning plant. 2: Pressing out water with the membrane press. - PowerPoint PPT PresentationTRANSCRIPT
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Automatic and energy efficient dewatering unit for waste water treatment: SAV
Ulf Johansson, Stigebrandt Hydroteknik AB,
Sweden
![Page 2: Automatic and energy efficient dewatering unit for waste water treatment: SAV](https://reader035.vdocument.in/reader035/viewer/2022062501/56816467550346895dd65023/html5/thumbnails/2.jpg)
1: Filling and thickening of sludge + polymers.
Reject water returns to cleaning plant.
2: Pressing out water with the membrane press
3: Emptying of dewatered sludge
Cycle time (fase 1-3): ca. 30-100 min.
![Page 3: Automatic and energy efficient dewatering unit for waste water treatment: SAV](https://reader035.vdocument.in/reader035/viewer/2022062501/56816467550346895dd65023/html5/thumbnails/3.jpg)
Dewatering of sludge from various water treatment processes
SAV has very few moving parts no screens, filters that requires special cleaning or regular exchanges.
Significant reduction in electricity consumption 4 kWh/1000 kg DS = large CO2 savings
SAV works continuously in unattended installations. 24 hour automatic operation.
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Extensive development in Sweden 1995-1999.
1999 SAV was patented internationally.
Kazakhmys and Stigebrandt both brings environmental benefits to the industry.
Together we are strong.