Method for recovering valuable substance
AssigneeDowa Eco-System Co., Ltd.
InventorsChihiro Nishikawa, Yoshihiro Honma, Ryoei Watanabe, Masataka Yamashita
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Abstract
A method for recovering a valuable substance is provided. The method includes a thermal treatment step of thermally treating a target containing a valuable substance using a continuous furnace configured to thermally treat the target while moving a target storing unit, in which the target is stored, such that the target storing unit is not contacted by a flame that is for thermal treatment, and a valuable substance recovering step of recovering the valuable substance from a thermally treated product of the target obtained in the thermal treatment step.
Claims10
A method for recovering a valuable substance, the method comprising:
- thermally treating a target containing a valuable substance using a continuous furnace configured to thermally treat the target while moving a target storing unit, in which the target is stored, such that the target storing unit is not contacted by a flame that is for thermal treatment;
- and
- recovering the valuable substance from a thermally treated product of the target obtained in the thermally treating,
- wherein the target is a lithium ion secondary battery,
- wherein the lithium ion secondary battery has a housing containing aluminum, and
- in the thermally treating, the aluminum of the housing of the lithium ion secondary battery is melted and a melted product is separated.
Dependencies are inferred from the claim text.