What's the best process for rhodium recovery

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SUMMARY

The optimal process for rhodium recovery from ore involves using a 40% sulfuric acid (H2SO4) bath at a temperature of 40°C. After grinding the rhodium-containing materials, the solution undergoes a galvanic process to deposit rhodium onto a titanium cathode. This method effectively extracts rhodium from the solution, ensuring high recovery rates.

PREREQUISITES
  • Understanding of rhodium chemistry and solubility
  • Knowledge of galvanic processes and electrochemistry
  • Familiarity with sulfuric acid handling and safety protocols
  • Experience in mineral processing techniques
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  • Research the effects of temperature on rhodium solubility in sulfuric acid
  • Study the principles of galvanic deposition and electrode materials
  • Explore advanced rhodium recovery techniques and technologies
  • Investigate safety measures for handling concentrated sulfuric acid
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This discussion is beneficial for metallurgists, chemical engineers, and professionals involved in precious metal recovery and processing.

Bostongeorge
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Rhodium recovery process from ore
 
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Hello Dr Courtney,
since Rhodium is soluble in H2SO4, I would dilute the materials Rhodium containing after grinding in an 40% H2SO4 bath at 40°C and then over an galvanic process removing from the solution onto a Cathode from Titanium.
Regards
Lorbass
 

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