Abstract
As increasing the demand of Mg alloys, recycling of these alloys require for securing a metallic resource and energy conservation. A commercial metal scrap includes other structural materials such as iron, copper and aluminum alloys. These metal elements deteriorate mechanical properties or corrosion properties of Mg alloys. Therefore, these different materials were possibly removed from Mg scrap during recycling process. The separation of Al and Mg materials has difficulty except for the gravity separation. However, there is a limited difference in density between Mg and Al. In this study, Mg recovery from mixed metal scrap was attempted by dry gravity separation using solid particulate vibrating bed. Mg separation with high recovery ratio was achieved by adjusting the density of the particulate bed. It was suggested that the bulk density of the particulate bed affected the behavior of separation materials for the favorable recovery.
