发明名称 METHOD FOR THE PRODUCTION OF PRECIPITATED SILICA USING A MIXER OR AN EXTRUDER
摘要 <p>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.</p>
申请公布号 EP2828200(A1) 申请公布日期 2015.01.28
申请号 EP20130711378 申请日期 2013.03.21
申请人 RHODIA OPERATIONS 发明人 NEVEU, SYLVAINE;PINAULT, ANNE-LAURE;JOST, PHILIPPE
分类号 C01B33/193 主分类号 C01B33/193
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