still for framstellning of ferrosilicon or silicon alloys - strontium

摘要

A process is described for the manufacture of ferrosilicon or silicon alloys containing strontium and having a low aluminum and calcium content, in which a strontium compound is introduced together with an alkaline earth metal, an alkaline earth metal-containing alloy or calcium carbide as reducing agent into the molten ferrosilicon or silicon. The process is distinguished by low industrial expense and good strontium yields.