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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 13
SUMMARY:Robotised targeted destructive separation: A novel method for steel recycling from electrical scrap
DESCRIPTION:Electrical scrap, particularly battery-powered tools, contain in most cases alloyed steels. These materials are usually incorporated into devices with many other materials, such as copper, aluminium, or magnetic components, making recycling difficult. In traditional recycling approaches, devices are usually shredded as a whole, and the resulting fine fraction is separated in various process steps. This usually generates mixed-metal scrap, as a wide variety of metals are blended. Because of the shredding process, various materials are mechanically bonded (interlocking), making separation difficult, in particular, the separation of softer metals such as copper and aluminium from harder metals such as steel. With a robotised targeted destructive separation of the electrical devices prior to mechanical shredding, this problem can be avoided, and an alloyed steel fraction can be obtained. Using the example of a cordless screwdriver, the separation of the chuck and gearbox from the rest of the device results in a fraction containing only alloyed steel and plastics, without added copper, aluminium or magnetic components, that can be recycled directly in an electric arc furnace. Such targeted destructive fractionation can increase the value of the material stream of electrical scrap and simplify the recovery of high-quality recycled materials.  
The process of such robotised targeted destructive fractionation and the achieved material qualities are presented in this paper. 

CLASS:PUBLIC
DTSTART:20230614T151000
DTEND:20230614T153000
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