METHOD OF PURIFYING SILICON
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
Jun 25, 2013
filing date -
Jun 25, 2012
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Abstract
A method comprises forming a first molten liquid from a solvent metal and sodium carbonate, contacting the first molten liquid with silicon to form a second molten liquid, cooling the second molten liquid to provide silicon crystals and a mother liquor, and separating the silicon crystals from the mother liquor.
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