How is iron ore removed from the ground?

Answer 1

Most mineral ores exist as a compound - commonly an oxide or a sulphide, but others are known. If an oxide, then heating say, the iron ore in a reducing environment will remove the oxide. If a sulphide, then simple heating may suffice.

It is just a matter of finding a chemical reaction that will remove the unwanted material.

Answer 2

The field is called "mineral processing", and the common processes involve crushing and grinding the rock, mixing it with water to create a sandy mud, then separating particles of good stuff using gravity separation, magnetic separation, or froth flotation (coating the good stuff with oily chemicals, then blowing air through the pulp to get the good stuff to stick to the air and rise to the top of the tank where it can be skimmed off).

Answer 3

Depends on the ore- and the metal. Early refining involved roasting the ore- heat melted the metals. In other cases, the ore is crushed, and separated by chemical means. I am familar with one mine that processed rock for Rutile and Ilmenite (titanium) that crushed the rock, and refined it by centrifugal force, magnetic separation, and then electrostatic separation. Early gold mining crushed ore to powder, which passed over a copper sheet coated with Mercury- gold would combine with the mercury to form an amalgam- which was scrapped off the copper sheet, and distilled.

Answer 4

With blasting into fragments and loading by huge machines onto rail cars or trucks.

Answer 5

Ores are removed from the ground by mining.

Answer 6

This process is called concentration.

Answer 7

i don't know do you??????????????

Answer 8

A very common process is flotation.

Answer 9

gold