ferrosilicon
Noun
Meaning
ferrosilicon (plural ferrosilicons)
An alloy of iron and silicon used in steelmaking.
Examples
Electronics main Silicon wafer with mirror finish Most elemental silicon produced remains as a ferrosilicon alloy, and only about 20% is refined to metallurgical grade purity (a total of 1.3–1.5 million metric tons/year).
It has latent hydraulic properties. citation * Silica fume : A byproduct of the production of silicon and ferrosilicon alloys.
Sand is burned with coal and an iron catalyst and turned into an intermediate chemical called ferrosilicon, this ferrosilicon is then reacted into silicon tetrachloride and then again onto silica.