Froth Flotation (Sulphide & Oxide)

Froth Flotation (Sulphide & Oxide)2017-04-04T06:57:31-04:00
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Arsenic problems in zinc flotation (3 replies)

fatihgok
1 month ago
fatihgok 1 month ago

I am trying to float sphalerite which is contain 6%zinc. But, zinc concentrate contain also 15% arsenic. So I am trying to get rid of arsenic. How can I remove arsenic from zinc concentrate? Could anyone help me? Thanks for your assistance.

Jorge
1 month ago
Jorge 1 month ago

It is important to know the arsenic mineral reported in the zinc concentrate. Also, it will be a good reference to know the zinc grade and other base metals reported in the zinc concentrate. Other key parameters to consider are the flotation feed size (K80), copper sulphate dosage, collector dosage, and pH. Regarding the sphalerite, what's the color (e.g. brown, reddish, black)

Todd H
1 month ago
Todd H 1 month ago

As Jorge mentioned it is important to know the mineralogy of arsenic mineral.  I am not sure if it is arsenopryrite but if it is you should be able to depress it and stop it from floating.  Higher pH in the rougher may work but you should likely have some lab work done.

Regards

Todd Harvey - Global Resource Engineering http://www.global-resource-eng.com

K@TTU
3 weeks ago
K@TTU 3 weeks ago

As todd mentioned , i have also suspect the arsenic present in Zn ores are commonly arsenopyrite form , Please conduct detail process mineralogy and try to depress it by varing the pH, there is scope of minor metals availability to do the  flotation of tailing

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