ROTARY KILN AND METAL RECOVERY METHOD

摘要

Disclosed is a rotary kiln provided with a rotary furnace in which an object to be treated containing a metal is burnt, an electric furnace which is connected to the rotary furnace via a connecting portion and which separates the metal from the molten material of the object to be treated which is burnt in the rotary furnace by electrical heating, and a reductant supply means for supplying a reductant to the electric furnace.