Producing Silicon (Si)

Si: Silicon

Berzelius (Sweden) separated in 1824.

Abundance: 27.2%(in the earth's crust)

Si

Heat quartz and oil coke.

SiO2 + C Si + CO2

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SiC

Mixes quartz and coke, and heat electronically.

SiO2 + 3C SiC + 2CO

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SiFe

Mixes and heat quartz, hematite, and cokes.

2SiO2 + Fe2O3 + 7C 2SiFe + 7CO