Extraction of rhenium and platinum from deactivated alumina-supported catalysts

The technology is protected by the patent of the Russian Federation  No. 2398899.

At the moment a production site in Ekaterinburg has been started using this technology.

• high extent of extraction of precious metals (more than 98%);
• high extent of extraction of rhenium in a commodity product in the process head (more than 90%);
• low degree of solubility of a basis (not more than 3%).