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| COMPREHENSIVE UTILIZATION OF IRON ORE TAILINGS SECONDARY RESOURCES |
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Received:March 17, 2011
Published Online:January 04, 2012
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| DOI：10.3969/j.issn.1005-7854.2011.04.013 |
| KeyWord:iron ore tailings; limonite; cationic reverse flotation; comprehensive recover |
| Author | Institution |
| ZENG Mao-qing |
The Ministry of Land and Resources Kunming Mineral Resources Surveillance Testing Centre , Kunming , China |
| WANG Shi-tao |
The Ministry of Land and Resources Kunming Mineral Resources Surveillance Testing Centre , Kunming , China |
| YANG Xiao-feng |
The Ministry of Land and Resources Kunming Mineral Resources Surveillance Testing Centre , Kunming , China |
| LE Zhi-guang |
The Ministry of Land and Resources Kunming Mineral Resources Surveillance Testing Centre , Kunming , China |
| SUN Guang-zhou |
The Ministry of Land and Resources Kunming Mineral Resources Surveillance Testing Centre , Kunming , China |
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| Abstract: |
| A kind of iron concentrator tailings in Yunnan province with iron content of 28.68% and silica content of 0.95% is processed by five different anti-flotation processes such as :shaking table gravity separation, high-gradient strong magnetic separation, flotation, anionic reverse flotation.as well as cationic reverse flotation. The results are compared and show that cationic reverse flotation is a better processing method for Iron and reduce silicon. By cationic reverse flotation process, concentrate with grade of 51.13% and silica content of 11.54% is obtained with recovery rate of 64.76%, which provides a decision-making basis of comprehensive secondary resources recycling for the mining company. |
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