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Research of the flotation process for sulfur recovery from certain cyanide tailings
- English Author：
- Shandong Jinchuang Gold and Silver Smelting Co.,Ltd.&Jinchuang Group of Shandong Gold Mining Co.,Ltd.|Shandong Jinchuang Gold and Silver Smelting Co.,Ltd.&Jinchuang Group of Shandong Gold Mining Co.,Ltd.|School of Resource and Civil Engineering,Northeastern University&National-Local Joint Engineering Research Center of High-efficient Exploitation Technology for Refractory Iron Ore Resources|School of Resource and Civil Engineering,Northeastern University&National-Local Joint Engineering Research Center of High-efficient Exploitation Technology for Refractory Iron Ore Resources|School of Resource and Civil Engineering,Northeastern University&National-Local Joint Engineering Research Center of High-efficient Exploitation Technology for Refractory Iron Ore Resources
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Abstract:
To utilize the sulfur from cyanide tailings as resources in a harmless way,the paper researched the flotation process for sulfur recovery from the tailings produced by certain cyanide tailings flotation processes to recover lead,zinc,and copper.When the slurry concentration is 35 %,the pH value is 5,the pre-treatment time is 60 min,the collector butyl xanthate dosage is 500 g/t,and frother No.2 oil dosage is 30 g/t,the sulfur concentrates with the grade over 40 % and the recovery over 80 % are obtained,realizing effective recovery of sulfur from cyanide tailings and creating good economic and social profits.
Keywords:
cyanide tailings;sulfur recovery;flotation;utilization as resources;comprehensive utilization
