To provide a treating apparatus for forming ceramic balls of an incineration ash or a fly ash capable of carrying out the treatment of wastes for long-term stabilization and recovering resources.

This treating apparatus is equipped with a pulverizer 8 for receiving and pulverizing an incineration residual ash 1, etc., raw material bins 10 for classifying and storing the incineration residual ash 1 and a ceramic compounding ingredient, a measuring part 11 for measuring the incineration residual ash 1 and the ceramic compounding ingredient by a prescribed amount, a mixer 15 for mixing the incineration residual ash 1 with the ceramic compounding ingredient, a continuous kneader 18 for humidifying and kneading, a granulator 20 and a grain size regulator 22 for carrying out the granulation and grain size regulation, a baking furnace (rotary kiln) 26 for conducting a baking treatment and forming ceramic balls, a cooler 33 for performing an ozone treatment and a classifier 35 for providing ceramic ball groups for each particle diameter.