Sludge generated in wastewater treatment plants pass through condensation process and conditioning process, then next process is dewatering. In dewatering process, pre dewatered sludge which have moisture content of 95% or higher is separated into solid matters and liquid, and solidified by squeezing water out. By this process, sludge in liquid state becomes cake-like state  and … Continue reading About types of sludge dewatering / Sludge drying, Recycling drying