dissolution behaviour of freibergite-tetrahedrite concentrate in acidic dichromate solution
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Abstract
Asgat ore sample with estimated content of 431g/t silver was concentrated by using floatation method and obtained freibergite-tetrahedrite concentrate with 9050g/t Ag, 35.75% Cu, 28.5% Sb and 10.6% Fe, respectively. The dissolution of concentrate in acidic potassium dichromate solution has been investigated with respect to the sulfuric acid and potassium dichromate concentrations and by changing leaching temperature and time. Leaching freibergitetetrahedrite concentrate in dichromate acidic solution (K2Cr2O7-0.1M, H2SO4-0.4M leaching time 4h, leaching temperature 95°С) resulted total amount of leaching of 95.65 % silver, 93.85% copper, 99.86 % antimony and 30.18% iron.
DOI: http://dx.doi.org/10.5564/mjc.v14i0.196
Mongolian Journal of Chemistry 14 (40), 2013, p36-40
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nyamdelger2014mongoliandissolution
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| Journal | mongolian journal of chemistry |
| Year | 2014 |
| DOI |
10.5564/mjc.v14i0.196
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