Process for preparing precipitated silica comprising a high compaction step
A process for preparing precipitated silica comprising a reaction of a silicate with an acidifying agent to obtain a suspension of precipitated silica, followed by a step of separation to obtain a cake and a step of drying said cake, wherein a step of compaction of said cake at a pressure greater th...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
15.12.2020
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Subjects | |
Online Access | Get full text |
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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, followed by a step of separation to obtain a cake and a step of drying said cake, wherein a step of compaction of said cake at a pressure greater than 10 bars is carried out between the step of separation and the step of drying. |
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Bibliography: | Application Number: US201314386015 |