AN INVESTIGATION ON THE IMPROVEMENT OF ZINC EXTRACTION FROM SILICEOUS CONCENTRATES

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ATASHI HOSSEIN; RAHNAMARAD JAFAR; FALAHNEZHAD MAHDI

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Journal: INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN) Year:2008 | Volume:19 | Issue:7 Page(s): 9-16

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Title

AN INVESTIGATION ON THE IMPROVEMENT OF ZINC EXTRACTION FROM SILICEOUS CONCENTRATES

Author(s)

ATASHI HOSSEIN | RAHNAMARAD JAFAR | FALAHNEZHAD MAHDI | Issue Writer Certificate

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Abstract

Inhibiting of gel forming, under certain pH and temperature conditions, is one of the most effective ways in leaching process of siliceous zinc concentrates. In order to provide the crucial conditions for extracting zinc from siliceous zinc concentrates, the variables, e.g. temperature, pH, time duration, rotation speed of mixer and the remaining time which are known to affect the leaching process efficiency have been optimized. Experimental results indicate that the decreasing pH to close one, keeping solution temperature near boiling-point, mixing speed close to 200 rpm and the time duration of each period to be 180 minutes, optimizes the efficiency. Furthermore, to inhibit gel forming and super saturation which decreases efficiency, extraction time should be decreased. Due to gradual pH increase in the second stage of the experiments, impurities will not be dissolved and hence their omission will be more effective.

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APA: Copy

ATASHI, HOSSEIN, RAHNAMARAD, JAFAR, & FALAHNEZHAD, MAHDI. (2008). AN INVESTIGATION ON THE IMPROVEMENT OF ZINC EXTRACTION FROM SILICEOUS CONCENTRATES. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), 19(7), 9-16. SID. https://sid.ir/paper/65926/en

Vancouver: Copy

ATASHI HOSSEIN, RAHNAMARAD JAFAR, FALAHNEZHAD MAHDI. AN INVESTIGATION ON THE IMPROVEMENT OF ZINC EXTRACTION FROM SILICEOUS CONCENTRATES. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)[Internet]. 2008;19(7):9-16. Available from: https://sid.ir/paper/65926/en

IEEE: Copy

HOSSEIN ATASHI, JAFAR RAHNAMARAD, and MAHDI FALAHNEZHAD, “AN INVESTIGATION ON THE IMPROVEMENT OF ZINC EXTRACTION FROM SILICEOUS CONCENTRATES,” INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), vol. 19, no. 7, pp. 9–16, 2008, [Online]. Available: https://sid.ir/paper/65926/en

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