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Automatic and energy efficient dewatering unit for waste water treatment: SAV

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.

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Automatic and energy efficient dewatering unit for waste water treatment: SAV

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  1. Automatic and energy efficient dewatering unit for waste water treatment: SAV Ulf Johansson, StigebrandtHydroteknik AB, Sweden

  2. 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.

  3. Dewatering of sludge from various water treatment processes Significant reduction in electricity consumption 4 kWh/1000 kg DS = large CO2 savings SAV works continuously in unattended installations. 24 hour automatic operation. SAV has very few moving parts no screens, filters that requires special cleaning or regular exchanges.

  4. 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.

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