How is steel transformed?

How is steel transformed?

in a blast furnace, from iron ore and coke with carbon reduction in a converter; in an electric oven, fromsteel recovery. We’re talking aboutsteel recycling orsteel electric.

What is the role of oxygen in the human body?

It makes up almost 65% of the human body in terms of mass. The oxygen molecule, called dioxygen, makes up about 21% of the air in the Earth’s atmosphere. It forms water when combined with two hydrogen atoms.

What is the principle of making steel?

The principle of steelmaking. To make steel, you need iron ore, coal, lime and ferro-alloys: aluminium, chromium, manganese, silicon, titanium, vanadium… These give the steel special characteristics. adapted to its various uses: architecture, furnishing, etc.

How is oxygen produced?

Oxygen is produced by the breakdown of atmospheric compounds (hydrogen, nitrogen and diatomic oxygen) by UV rays. O2 is absorbed by living things on the planet in the form of respiration.

How is O2 absorbed by living things on the planet?

O2 is absorbed by living things on the planet in the form of respiration. Plants absorb what is produced following the respiration of other living beings, CO2, to convert it into O2 through the process of photosynthesis.