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| RESEARCH ON NEW FLOTATION TECHNOLOGY OF LOW GRADE OXIDIZED ZINC ORES IN LANPING |
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Received:July 03, 2011
Published Online:March 18, 2012
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| DOI：10.3969/j.issn.1005-7854.2012.01.002 |
| KeyWord:oxidized zinc ores；predeslime；new flotation reagents |
| Author | Institution |
| YANG Liu-yi |
Faculty of Land Resourse Engineering, Kunming University of Science and Technology, Kunming ，China |
| ZHANG Xiao-lin |
Faculty of Land Resourse Engineering, Kunming University of Science and Technology, Kunming ，China |
| LI Ming-xiao |
Faculty of Land Resourse Engineering, Kunming University of Science and Technology, Kunming ，China |
| LI Hong-shuai |
Faculty of Land Resourse Engineering, Kunming University of Science and Technology, Kunming ，China |
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| Abstract: |
| Low grade oxidized zinc ores from Lanping are fragile, containing large amount of fine slime and alkalescency gangues such as CaO and MgO. The paper adopts sodium silicate and sodium hexametaphosphate as depressants and dispersing agents, and uses new collector HHA, further adopts predeslime-sulphidation-amine flotation open-circuit flowsheet, the concentrate with following indexes is obtained: zinc grade of final concentrate 34.08% and zinc recovery rate 65.29%. |
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