1. Coal is a naturally hydrophobic material. Describe the circumstances under which this floatability may be...

1. Coal is a naturally hydrophobic material. Describe the circumstances under which this floatability may be reduced.

2. Using a suitable example describe the role of a collector in sulphide flotation.

5 What are the different duties of Rougher, Scavenger and Cleaner cells in a flotation plant? Draw a flow sheet of a flotation circuit using all three types of cells (include two stages of cleaning) and showing the direction of flow within the circuit.

6 What is the effect of bubble size on flotation performance? In a flotation cell, how may the bubble size be controlled?

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queen_honey_blossom answered 1 year ago

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