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Chapter 8: Problem 9

What type of ore is concentrated using froth floatation process?

Short Answer

Expert verified
Answer: Sulphide ores.

Step by step solution

01

Understanding Froth Flotation Process

Froth flotation is a process for selectively separating hydrophobic (water-repelling) materials from hydrophilic (water-attracting) materials. It is widely used for the concentration of ores in the mining industry. In this process, the ore is mixed with water and various reagents to create a slurry. Air is then bubbled through the slurry, which creates a frothy mixture. The hydrophobic particles attach themselves to the air bubbles and rise to the surface, forming a froth. The froth is then removed, and the hydrophobic particles (the desired ore) are extracted from the mixture.
02

Identifying the Type of Ore

The froth flotation process is primarily used for the concentration of sulphide ores. These ores contain metal ions bonded to sulphur atoms (such as copper sulphides, lead sulphides, and zinc sulphides). Due to the nature of these ores, they are hydrophobic, allowing them to easily attach to air bubbles and be concentrated through froth flotation. Therefore, the type of ore concentrated using the froth floatation process is sulphide ores.

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