Sludge formation is inevitable in wastewater treated with the right techniques. Suspended solids, COD, BOD, heavy metals and other chemical pollutants are removed from wastewater through sludge. Therefore sludge disposal It is as important as other techniques used in water purification. For this purpose, it is necessary to use some sludge thickening equipment such as filter press and decanter along with sludge conditioning and thickening techniques.