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September 10, 2025MetalsOpen Access

A Novel Selective Oxygen Pressure Leaching for Zinc Extraction from Hemimorphite in Acid-Free Solutions

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Novel leaching method improves zinc extraction efficiency in acid-free conditions, indicating effective separation from iron and silicon.

Optimized leaching conditions yielded a zinc extraction efficiency of 98.80%.
Key factors influencing leaching efficiency include the Fe/Zn molar ratio and leaching temperature.
The leaching process was governed by both chemical reaction and diffusion mechanisms.
The activation energy for the leaching process was determined to be 97.14 kJ/mol.

Wang et al. (2025) studied this question.

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