Since the three PGM's in a converter can be dissolved in different acids would it be possible to chemically seperate during the dissolving process?
My thinking is since only Rhodium dissolves in Hot sulfuric acid and only Palladium will dissolve in Hot Hcl then this seperation will work?
1. boil converters in sulfuric to collect Rhodium then remove sulfuric + rhodium
2. boil converters in hcl to collect palladium then remove hcl + palladium
3. boil converters in Aqua regia to collect platinum
I am more concerned with easy seperation than using as little acid as possible.
My thinking is since only Rhodium dissolves in Hot sulfuric acid and only Palladium will dissolve in Hot Hcl then this seperation will work?
1. boil converters in sulfuric to collect Rhodium then remove sulfuric + rhodium
2. boil converters in hcl to collect palladium then remove hcl + palladium
3. boil converters in Aqua regia to collect platinum
I am more concerned with easy seperation than using as little acid as possible.