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Paper
Title

An improved model of continuous leaching systems using segregation approach

مجله بین المللی معدن و مهندسی زمین، دوره: 54، شماره: 2
Year: 1399
COI: JR_IJMGE-54-2_006
Language: EnglishView: 234
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Authors

Abdolrahim Foroutan - Department of Mining and Metallurgical Engineering, University of Yazd, Yazd, Iran;
Hojjat Naderi - Department of Mining and Metallurgical Engineering, University of Yazd, Yazd, Iran;
Mohammad Reza Khalesi - Department of Mining Engineering, Tarbiat Modares University, Tehran, Iran
Reza Dehghan - Department of Mining and Metallurgical Engineering, University of Yazd, Yazd, Iran;

Abstract:

In this study, a simplified dissolution model has been developed to evaluate the performance of continuous leaching reactors. The model considers continuous reduction of the surface area of particles using the distribution of their size and residence time. The model was validated by the bioleaching of a pyrite-arsenopyrite concentrate in the pilot plant scale, which resulted in good agreement between the experimental data and the predicted values. The developed model was also used to predict the outlet mass density function of particles, whose results showed that the mean particle size would not necessarily decrease as the mean residence time in the leaching process decreased. Using this model, the effect of operating parameters (e.g., particle size distribution, inlet flow, reagent concentration, kinetic parameters, and the type of residence time distribution) on the reactor performance can be predicted. Therefore, the model can be used for dynamic and static analyses of leaching circuits as well as designing and optimizing the processing plants.

Keywords:

Paper COI Code

This Paper COI Code is JR_IJMGE-54-2_006. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1029901/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Foroutan, Abdolrahim and Naderi, Hojjat and Khalesi, Mohammad Reza and Dehghan, Reza,1399,An improved model of continuous leaching systems using segregation approach,https://civilica.com/doc/1029901

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COI stands for "CIVILICA Object Identifier". COI is the unique code assigned to articles of Iranian conferences and journals when indexing on the CIVILICA citation database.

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