Hydrometallurgical Treatment of Low Grade Zinc Oxide Ore

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In this research, a leaching study was carried out to assess the effect of several parameters on zinc extraction in a low grade complex zinc oxide ore in which the grade of Zn is 13 wt.%, and 52.8% of Zn is contained in siderite, 34.63% in limonite and 11.55% in smithsonite. The influencing parameters investigated include sulfuric acid concentration, reaction temperature, reaction time and liquid to solid ratio (L/S). The results show that over 90% of Zn can be extracted from the low grade complex zinc oxide ore when the leaching process is operated in 2M sulfuric acid at 60°C for 2.5h with a liquid to solid ratio of 6:1.

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Periodical:

Edited by:

Xianjun Lu and Jun Qiu

Pages:

140-144

DOI:

10.4028/www.scientific.net/AMR.158.140

Citation:

J. L. Yang et al., "Hydrometallurgical Treatment of Low Grade Zinc Oxide Ore", Advanced Materials Research, Vol. 158, pp. 140-144, 2011

Online since:

November 2010

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$35.00

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DOI: 10.1002/9781118805558.ch27

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