METHOD FOR PREPARING SILICA FINE POWDER USING GAS PHASE PYROLYSIS AND APPARATUS THEREFOR COMPRISING ELECTROSTATIC PRECIPITATOR

METHOD FOR PREPARING SILICA FINE POWDER USING GAS PHASE PYROLYSIS AND APPARATUS THEREFOR COMPRISING ELECTROSTATIC PRECIPITATOR

PURPOSE: To provide a method and an apparatus for preparing silica fine powder, which are able to provide the silica fine powder having improved properties by using a spraying device for introducing a raw material and adopting an electrostatic precipitation method for recovering a product. CONSTITUT...

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Hauptverfasser: KIM, HYUN WOO, SEO, JIN SUK, HUH, WON HOE, KIM, YAK SOO
Format: Patent
Sprache:eng ; kor
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator KIM, HYUN WOO
SEO, JIN SUK
HUH, WON HOE
KIM, YAK SOO
description PURPOSE: To provide a method and an apparatus for preparing silica fine powder, which are able to provide the silica fine powder having improved properties by using a spraying device for introducing a raw material and adopting an electrostatic precipitation method for recovering a product. CONSTITUTION: The method comprises the steps of (a) allowing methylchlorosilane to be flown in a burner using a spraying device; and (b) after generating flame at a temperature of 800-1,800 deg.C, recovering generated silica fine powder by an electrostatic precipitation manner. In an apparatus for preparing the silica fine powder comprising a raw material inlet pipe (2), a burner, and a recovering device, a spraying gas inlet pipe (4) is additionally mounted on the apparatus and an electrostatic precipitator is used as the recovering device.
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title METHOD FOR PREPARING SILICA FINE POWDER USING GAS PHASE PYROLYSIS AND APPARATUS THEREFOR COMPRISING ELECTROSTATIC PRECIPITATOR
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