The purpose of this study is to investigate drying of the semi-solid sludge into the powder form with the help of drying machine. Drying machine is nothing but the setup or equipment to dry sludge. Sludge is a waste which is come out from the dairy plants, food industries, agricultural, ceramic and other such industries from Effluent Treatment Plant (ETP) Department. The drying machine temperature is between 140°C – 150°C. After drying process, this powder form can be use in various formed such as fuel in boiler, construction sites, roads, bricks and fertilizers also.

Keywords : sludge, ETP, drying machine, extruder, powder sludge, etc.