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Question
What is the role of depressant in froth floatation process?
What is the role of depressant in froth floatation process?
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Solution
In froth floatation process, depressant prevants the formation of froth. It is used to separate two sulphide ores by preventing the formation of froth of one sulphide ore and allowing the other to form the froth e.g NaCN, a depresant selectively prevents Zns from coming in froth but allows PbS to come with the froth.
In froth floatation process, depressant prevants the formation of froth. It is used to separate two sulphide ores by preventing the formation of froth of one sulphide ore and allowing the other to form the froth e.g NaCN, a depresant selectively prevents Zns from coming in froth but allows PbS to come with the froth.
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