Most industrial plants have sludge dewatering equipment, such as plate and frame filter presses, belt filter presses, etc. The treated sludge is directly bagged and handed over to a professional sludge disposal company, and the sludge disposal is charged by weight. Although the sludge is treated by the filtration equipment, the moisture content of the produced mud cake is still as high as 65% -85%, and there is still room for drying and weight reduction. Low Temperature Heat Pump Sludge Drying Setup