what is the role of depressant in froth floatation process
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In froth floatation process, depressants helps to separate two sulphide ores by selective prevention of froth formation by one ore and allowing the other to come into froth. For example, in order to separate two sulphide ores (ZnS and PbS), NaCN is used as a depressant.
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This process help to seprate 2 sulphide ores by selective prevention of forth formation by 1 ore and allowing the other to comes on forth.
Seprate 2 sulphide ores are
- Pbs
- Zns
- NaCN is use as depressant.
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