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New approach to extracting precious metals

Archiv – Germany | Currenta, the operator of Europe’s largest chemical park, has unveiled a new thermal treatment of electronic scrap which is claimed to be highly efficient in recovering over 90% of precious metals.
Germany | Currenta, the operator of Europe’s largest chemical park, has unveiled a new thermal treatment of electronic scrap which is claimed to be highly efficient in recovering over 90% of precious metals.
The German firm operates six incineration plants for processing hazardous waste but identified that its associated rotary kilns were under-utilised and so conducted trials on processing electronic scrap at very high temperatures. It was able to burn off all of the non-metal materials and manage the off-gases to a standard that meets tight regulatory requirements. The remaining inorganic residue containing precious metals can be treated using electrochemical refining.
Currenta is reluctant to release specific information about the process while it awaits a patent.

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