Volume 11, Issue 2 (June 2014)                   IJMSE 2014, 11(2): 37-47 | Back to browse issues page

XML Print

Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:
M. Ghobeiti Hasab, F. Rashchi, Sh. Raygan. KINETIC STUDIES FOR GOLD LEACHING OF A REFRACTORY SULFIDE CONCENTRATE BY CHLORIDE–HYPOCHLORITE SOLUTION. IJMSE 2014; 11 (2) :37-47
URL: http://ijmse.iust.ac.ir/article-1-654-en.html
KINETIC STUDIES FOR GOLD LEACHING OF A REFRACTORY SULFIDE CONCENTRATE BY CHLORIDE–HYPOCHLORITE SOLUTION
M. Ghobeiti Hasab , F. Rashchi , Sh. Raygan
Abstract:   (21889 Views)
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.
Keywords: Gold concentrate, Non–cyanide leaching, Chloride–hypochlorite, Kinetic.
Full-Text [PDF 5985 kb]   (5964 Downloads)    
Type of Study: Research Paper |
Add your comments about this article : Your username or Email:
CAPTCHA
Send email to the article author

Rights and permissions
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

© 2022 All Rights Reserved | Iranian Journal of Materials Science and Engineering

Designed & Developed by : Yektaweb