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Fe-SEPARATION AND HCl REGENERATION TECHNOLOGIES FOR ORE LEACHING PROCESSES

G .. Frithum

2014enhcl leachinghcl regenerationfe separationfe oxidationpyrohydrolysis

Abstract

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In the present paper a new and highly economic route for Fe-separation from HCl leaching processes in hydrometallurgical applications is described. HCl has emerged as an effective leaching agent due to its recyclability, necessitating the separation of iron during ore leaching procedures. The study outlines a process which involves the hydrolysis of a mixture of Fe2+ and Fe3+ ions, as well as their conversion into ferric oxide via pyrohydrolysis for Fe2+. It discusses methods for economically oxidizing Fe2+ to Fe3+ and presents an evaluation of potential technologies for HCl regeneration while achieving iron separation. A focus is also placed on contemporary oxidative leaching technologies and their limitations regarding operational costs and safety concerns. The exploration of alternative methods, including low-temperature electrochemical oxidation using chlorine gas, offers promising avenues for effective Fe oxidation under atmospheric conditions, thereby addressing some of the shortcomings associated with traditional HCl-based leaching processes. This work contributes valuable insights into enhancing efficiency and cost-effectiveness in hydrometallurgical applications.

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Cite This Work

@article{b9b96574-f475-49a4-a50b-5528b36c246e,
  title={Fe-SEPARATION AND HCl REGENERATION TECHNOLOGIES FOR ORE LEACHING PROCESSES},
  author={G .. Frithum},
  year={2014},
  language={en}
}
TY  - JOUR
TI  - Fe-SEPARATION AND HCl REGENERATION TECHNOLOGIES FOR ORE LEACHING PROCESSES
AU  - G .. Frithum
PY  - 2014
LA  - en
ER  -

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