METHOD FOR RECOVERING SILICON AND METHOD FOR PRODUCING SILICON

METHOD FOR RECOVERING SILICON AND METHOD FOR PRODUCING SILICON

A method for recovering or producing silicon, that can recover or produce silicon using cutting scraps containing silicon carbide abrasive grains and silicon as raw materials without separating those is provided. The present invention is a method for recovering or producing silicon from cutting scra...

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Hauptverfasser: SHIRAHAMA TOSHIKI, YAMAHARA KEIJI, SAWAI TAKESHI, KATAYAMA TOSHIAKI, HASHIGUCHI TADASHI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator SHIRAHAMA TOSHIKI
YAMAHARA KEIJI
SAWAI TAKESHI
KATAYAMA TOSHIAKI
HASHIGUCHI TADASHI
description A method for recovering or producing silicon, that can recover or produce silicon using cutting scraps containing silicon carbide abrasive grains and silicon as raw materials without separating those is provided. The present invention is a method for recovering or producing silicon from cutting scraps containing silicon carbide, which are produced during a cutting or grinding of silicon ingots or silicon wafers, wherein the method comprises producing silicon by heating the cutting scraps containing silicon carbide, and a silica raw material.
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title METHOD FOR RECOVERING SILICON AND METHOD FOR PRODUCING SILICON
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