| abstract |
(57) [Summary] [PROBLEMS] Conventionally, it is necessary to perform treatment under high temperature and high pressure conditions in order to decompose dioxins and the like in wastes. There was a problem that it took. Further, in the conventional method of treating a metal in a waste by adding only a metal trapping agent, particularly when the waste is a solid waste, the metal may be eluted from the treated waste. The present invention provides a waste treatment method capable of reliably and efficiently detoxifying harmful substances such as harmful metals and dioxins in waste. SOLUTION: The waste treatment method of the present invention includes a step of adding at least one selected from a phosphoric acid compound and an aluminum compound to a waste, a step of adding a metal collecting agent, and a mechanochemical treatment. And applying step. |