Method of recovery of the constituent elements of catalysts...

Details Method of recovery of the constituent elements of catalysts... Method of recovery of the constituent elements of catalysts...

C - Chemistry, Metallurgy

22

B

53/168

C22B 7/00 (2006.01) C01G 55/00 (2006.01) C22B 3/32 (2006.01) C22B 11/06 (2006.01)

Patent

CA 1051669

A METHOD OF RECOVERY OF THE CONSTITUENT ELEMENTS OF CATALYSTS BASED OF PRECIOUS METALS ABSTRACT OF THE DISCLOSURE The invention relates to the recovery of the constit- uent elements of catalysts containing precious metals, such as platinum and iridium deposited on aluminous supports. This re- covery is accomplished by a substantially total solubilization of the catalysts by means of hydrochloric acid and by extrac- tion, for example by means of ion exchange resins. This system allows for a good separation of the platinum and the iridium.

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