Process of recovering valuable metal
OwnerKiyotaka Yasuda, Minoru Sakaiinventors
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Abstract
A method for recovering a valuable metal including the steps of: recovering valuables from scraps containing the valuable metal; and removing at least part of carbon contained in the recovered valuables by heating the valuables in a non-oxidizable atmosphere, and a method for recovering a valuable metal including the steps of: thermally treating a melted mixture including the valuable metal and slag with a flux component to separate the valuable metal in a liquid phase from the slag in another liquid phase. In accordance with the present invention, the valuable metal in the scrap can be easily recovered.
Claims11
A method for recovering a valuable metal comprising the steps of:
- recovering valuables from scraps containing the valuable metal;
- and
- removing at least part of carbon contained in the recovered valuables by heating the valuables in a non-oxidizable atmosphere.
A method for recovering a valuable metal comprising the steps of:
- thermally treating a melted mixture including the valuable metal and slag with a flux component to separate the valuable metal in a liquid phase from the slag in another liquid phase.
A method for recovering a valuable metal comprising the steps of:
- recovering valuables from scraps containing the valuable metal and slag;
- removing at least part of carbon contained in the recovered valuables by heating the valuables in a non-oxidizable atmosphere to provide a melted mixture including the valuable metal and the slag;
- and
- thermally treating the melted mixture with a flux component to separate the valuable metal in a liquid phase from the slag in another liquid phase.
Dependencies are inferred from the claim text.