What Happens to the Silicon That Is a Contaminant in Crude

question 57

Multiple Choice

What happens to the silicon that is a contaminant in crude iron in a converter?

• A) it is converted to the tetrafluoride that bubbles out as a gas.
• B) It is precipitated as the carbide.
• C) It is precipitated as sodium silicate.
• D) It is precipitated as iron silicate.
• E) It is converted to silicon dioxide and becomes part of the slag.

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