are reagents in copper lead zinc floation

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With this process copper was recovered first with MBS depression of lead zinc and pyrite Lead was recovered after conditioning utilizing cyanide as the base depression scheme to control sphalerite and pyrite In these tests a zinc flotation was also performed to measure the metallurgical performance of

Sphalerite depressed with cyanide and zinc sulphate can be activated with copper sulphate and it will then respond to treatment like a normal sulphide Stibnite the antimony sulphide mineral responds much better to flotation after being activated with lead nitrate

The sequential copper–lead–zinc flotation practice utilizes several major reagent combinations in sequential copper–lead flotation which include bisulfide method starchlime method and soda ashSO 2 or limeSO 2 method The bulk copper–lead flotation with depression of zinc followed by copper–lead separation and reflotation of zinc is the most common practice in the treatment of copper–lead–zinc

Conventional reagents are used in the selective flotation separation These consist of zinc and iron sulfide depressants which are added to the grind and a collector and frother for the leadcopper sulfides The zinc is floated with additional quantities of a collector and frother after conditioning with lime and copper sulfate The pH of the lead circuit is approximately 80 and the zinc is 105 to 110

In the case where galena is floated and the copper minerals are depressed copper depression can be achieved by using sodium sulphide hydrosulfite lime cyanide zinccyanide andor ferricyanide complexes Selection of flotation reagents and frothers is an important even critical consideration

Some of the metals that can do the job are copper and lead At a pH between 89 lead can activate sphalerite to cause it flotation So the reason is during the flotation of the two there may be lead re dissolution from galena which may activate sphalerite to cause it flotation It may best if you are doing bulk flotation of the two

Show full abstract flotation tests depression was achieved using nontoxic reagents and consequently individual copper lead and zinc concentrates assaying 3168 Cu 6769 Pb 4979 Zn were

The copper ions replace zinc atoms on the sphalerite surface creating a pseudocopper mineral surface coverage on the sphalerite which is then collected using copper flotation type collectors Because most of the iron sulphides also report to the lead flotation tails and so feeds the zinc flotation circuit typically lime is used to raise pH for iron sulphide depression

A Review of the Flotation of Copper Minerals Sulphide ores are the major sources of base metals like Copper Lead Zinc Nickel and Cobalt Commonly used reagents in industrial flotation

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