Business Areas Products News Download Center Exhibitions Contact About Us Links www.haarslev.com - Environment Division - Sewage Sludge - Partial Drying Partial Drying of Sludge For any fuel, the content of water acts as an inhibitor in the incineration process. Thermal drying is one of the technologies available for removing some of the water content in municipal wastewater treatment plants to obtain an optimal energy utilisation before incineration. Municipal sludge is typically liquid containing 2 to 6 per cent solids prior to mechanical dewatering. The thin sludge enters the drying line and is first mechanically dewatered in a decanter centrifuge or belt press. This is a cost-efficient process that brings the dry substance of the sludge up to 25-30 per cent and accomplishes both weight and volume reductions. The dewatered sludge is then fed to the drier, where indirect heat is used to evaporate water from the wastewater solids in order to bring the dry substance up to approximately 40 to 45 per cent. The heat value of the dried solids is thereby high enough to provide for an optimal energy balance in incineration plants. Haarslev Industries A/S │Denmark │Germany │ Norway │ France │Spain │UK │ USA │ Peru │ Brazil │ Russia │ China │ Malaysia │ New Zealand │ India │ Email: info@haarslev.com | About cookies

Business Areas Products News Download Center Exhibitions Contact About Us Links www.haarslev.com - Products - Fish Meal and Oil Products for Fish Meal and Oil Material Handling Equipment Cooking Equipment Pressing Equipment Silo Screw conveyour Pumps for fish Unloading pump Vibrating screen for liquids Compact coagulator Fish cooker Compact fish plant Twin screw press Compact fish plant Drying Equipment Meal Handling Equipment Odour and Vapour Treatment Disc dryer Continuous Condi dryer RotaTube dryer RCD Dryer HLT dryer Dyno-JeT dryer Rotative dryer Compact fish plant Meal cooler Milling plant Vibrating screen for meal Evaporator Air-cooled condenser Chemical scrubber Oxidiser recuperative Oxidiser regenerative Haarslev Industries A/S │Denmark │Germany │ Norway │ France │Spain │UK │ USA │ Peru │ Brazil │ Russia │ China │ Malaysia │ New Zealand │ India │ Email: info@haarslev.com | About cookies