### FROTH FLOTATION : RECENT TRENDS Flotation of

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2020 5 6 to recover fine grained sulphide minerals from complex ore deposits, whose processing was earlier considered un economical. Today, about 400 million tonnes of sulphide ore is treated annually by flotation process worldwide. M/s Hindustan Zinc Ltd. HZL, a leading lead zinc mining and smelting company in India has experienced a spectacular growth

### ore flotation calculations

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