TY  - JOUR
TT  - Investigation of leaching conditions of chalcopyrite by chlorine gas in aqueous medium
AU  - Temur, Hakan
AU  - Yartaşı, Ahmet
AU  - Kocakerim, Mehmet Muhtar
PY  - 2017
DA  - December
DO  - 10.32571/ijct.352245
JF  - International Journal of Chemistry and Technology
JO  - Int. J. Chem. Technol.
PB  - Rabia ACEMİOĞLU
WT  - DergiPark
SN  - 2602-277X
SP  - 67
EP  - 73
VL  - 1
IS  - 1
KW  - Chalcopyrite
KW  - optimization
KW  - Taguchi method
KW  - chlorine
N2  - Generally, copper is obtained bypyrometallurgical methods from sulphide ores and SO2, a dangerous gas is emitted to environment. Hydrometallurgical processes is preferred over pyrometallurgicalprocesses in recent years. Thepresent work aims to optimize leaching of chalcopyrite with chlorine gas inaqueous medium by an experimental design using Taguchi method. Thus, both Cl2, aby-product of chlor-alkali industry, is removed using as a reagent, andemission of SO2 from copper sulphide prometallurgy is prevented.In this study, experimental parameters and theirvalues were 16-45°C for reactiontemperature, 0.05-0.20 g ml-1for solid-to-liquid ratio, 30-120 min for reaction time, 0.027-0.4 mol l-1for [Fe3+] and 0.025-0.4 mol l-1 for [Cu2+ ].The optimum conditions were 45°C for reaction temperature, 0.05 g ml-1 for solid-to-liquidratio, 0.2 mol l-1 for [Fe3+], 0.025 mol l-1for [Cu2+ ]and 120 min for reaction time. Underthese conditions, 68.44% of copper in chalcopyrite dissolved.
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UR  - https://doi.org/10.32571/ijct.352245
L1  - https://dergipark.org.tr/en/download/article-file/383434
ER  -