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Dehydris - Biosolids Sludge Dewatering Twist Unit
The Dehydris* Twist unit is based on the Bucher Unipektin piston press, which is fed with drinking water sludge or pre-thickened wastewater sludge conditioned with reagents (polymers possibly mixed with mineral reagents).
The press, equipped with semi-solid drainage elements, operates in cycles (from 2 to 3 hours). The length of the cycle depends on the type of sludge and efficiency required (dryness or flow rate). Each cycle is made up of three, entirely automated, main phases:
- SAVINGS
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increased productivity with a possibility of non-stop operation (24/7) without the need of a staff presence, smaller foot-print than a filter press.
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- HIGH PERFORMANCE
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high dry content obtained without the addition of lime: up to 40% for drinking water sludge and auto-thermicity achieved for urban wastewater sludge, versatile: accepts both drinking water and wastewater sludge (mixed sludge, fresh, digested, thickened or primary).
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- SIMPLE AND EASY OPERATION
- enclosed and ergonomic industrial process 100% automatic operation including emptying.
- REDUCED SLUDGE BULK
- up to 30% reduction in sludge bulk compared to conventional dewatering.