METHOD FOR THE PRODUCTION OF PRECIPITATED SILICA USING A MIXER OR AN EXTRUDER

A process for preparing precipitated silica comprising a reaction of a silicate with an acidifying agent to obtain a suspension of precipitated silica (S1), followed by a separation step to obtain a cake, a disintegration step of said cake to obtain a suspension of precipitated silica (S2), and a dr...

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Bibliographic Details
Main Authors JOST PHILIPPE, NEVEU SYLVAINE, PINAULT ANNE LAURE
Format Patent
LanguageEnglish
Korean
Published 03.12.2014
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:A process for preparing precipitated silica comprising a reaction of a silicate with an acidifying agent to obtain a suspension of precipitated silica (S1), followed by a separation step to obtain a cake, a disintegration step of said cake to obtain a suspension of precipitated silica (S2), and a drying step of this suspension, wherein the disintegration step is performed by mixing using a twin-screw mixer or by extrusion.
Bibliography:Application Number: KR20147029144