kinetic studies for gold leaching of a refractory sulfide concentrate by chloride–hypochlorite solution

Clicks: 168
ID: 137002
2014
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Abstract
In this paper, gold leaching of a refractory sulfide concentrate by chloride–hypochlorite solution was investigated and effects of stirring speed, temperature and particle size on the leaching rate were reported. Experimental data for leaching rate of gold were analyzed with the shrinking–core model. Results were consistent with chemical reaction control mechanism in the first 1 h of leaching and diffusion control mechanism in the second 1 h. Apparent activation energy also was found to be 22.68 kJ/mol in the first step and 3.93 kJ/mol in the second step of leaching.
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hasab2014iraniankinetic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;M. Ghobeiti Hasab;F. Rashchi;Sh. Raygan
Journal Phytopathology
Year 2014
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