METHOD OF MANUFACTURING SILICA PELLET

METHOD OF MANUFACTURING SILICA PELLET

PURPOSE: A method for manufacturing a silica pellet is provided to improve the compressive intensity and the high temperature intensity of the silica pellet by mixing silica powder, a polyvinyl alcohol aqueous solution, and a tetraethly orthosilicate(TEOS) aqueous solution. CONSTITUTION: A method fo...

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Hauptverfasser: LEE, JE DONG, HA, EUN SOO, LEE, CHANG BAE, CHOI, KANG WON
Format: Patent
Sprache:eng ; kor
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator LEE, JE DONG
HA, EUN SOO
LEE, CHANG BAE
CHOI, KANG WON
description PURPOSE: A method for manufacturing a silica pellet is provided to improve the compressive intensity and the high temperature intensity of the silica pellet by mixing silica powder, a polyvinyl alcohol aqueous solution, and a tetraethly orthosilicate(TEOS) aqueous solution. CONSTITUTION: A method for manufacturing a silica pellet includes the following: Silica powder of 10-200um particle diameter, a polyvinyl alcohol aqueous solution, and a TEOS aqueous solution or silica sol are mixed. The mixture is aged at the room temperature. The aged material is pelletized using a briquetting machine. The pelletized material is dried. The amounts of the polyvinyl alcohol aqueous solution and the TEOS aqueous solution or the silica sol are respectively 1-10 parts by weight of the weight of the silica powder.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title METHOD OF MANUFACTURING SILICA PELLET
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