RECYCLING METHOD FOR ALUMINUM ALLOY
A recycling method for aluminum alloy is capable of offering a recycled Al alloy (melt), in which the Fe concentration is efficiently reduced, while using Al alloy scrap and the like as raw materials. The method includes: a preparation step of preparing a first melt by melting an Fe.Mn-containing ma...
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| creator | MINOURA, Takuma YAOKAWA, Jun IWATA, Yasushi KAWAHARA, Hiroshi HIBI, Kazuma UENO, Noriyuki MURATA, Tomoo KUSAKA, Yusei ITO, Kyosuke KANO, Akira |
| description | A recycling method for aluminum alloy is capable of offering a recycled Al alloy (melt), in which the Fe concentration is efficiently reduced, while using Al alloy scrap and the like as raw materials. The method includes: a preparation step of preparing a first melt by melting an Fe.Mn-containing material that contains Fe and Mn and an Al alloy raw material; a crystallization step of holding the first melt at a separation temperature at which an Fe compound crystallizes; and an extraction step of extracting a second melt obtained by removing at least part of the Fe compound crystallized from the first melt. The Fe.Mn-containing material preferably has a mass ratio of Mn to Fe (Mn/Fe) of, for example, 2 or more. |
| format | Patent |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | RECYCLING METHOD FOR ALUMINUM ALLOY |
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