Flotation Responce of the Refractory Yangla Copper Oxide Ores with Hydroxamate Collectors

Fei Xiong; Yan Jun Li; Zhong Hui Zhang; Yao Zhong Lan

doi:10.4028/www.scientific.net/AMR.803.131

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 803Flotation Responce of the Refractory Yangla Copper...

Flotation Responce of the Refractory Yangla Copper Oxide Ores with Hydroxamate Collectors

Abstract:

To establish the flotation response and suitability of the collectors, series of bench-scale flotation tests are conducted for the refractory oxide copper ores obtained from Yangla Mine in Yunnan province. A simple xanthate (PAX) is used as the sulphide collector and a chelating reagent of hydroxamate AM28 as the oxide collector. It is found and confirmed by mineralogical examination that AM28 successfully recovered all the discrete copper oxide minerals from the Yangla ore. The flotation tests show that the overall copper recovery is affected due to the minerals copper associated with goethite which is not amenable to flotation. The average copper recovery from the rougher tests is 38.4% with a concentrate grade of 3.19%. The additional cleaning flotation can increase the Cu grade in concentrate further.

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Periodical:

Advanced Materials Research (Volume 803)

Pages:

131-136

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.803.131

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Online since:

September 2013

Authors:

Fei Xiong, Yan Jun Li, Zhong Hui Zhang, Yao Zhong Lan

Keywords:

Copper Oxide Ore, Flotation, Hydroxamate Collector

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