发明名称 PROCEDE DE PREPARATION DE SILICE PRECIPITEE COMPRENANT UNE ETAPE DE DELITAGE A CHAUD
摘要 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 step of separation to obtain a cake, a step of spalling said cake to obtain a suspension of precipitated silica (S2) and a step of drying said suspension, wherein the spalling step is carried out at a temperature of between 50 and 120° C.
申请公布号 FR2988386(B1) 申请公布日期 2014.05.09
申请号 FR20120052589 申请日期 2012.03.22
申请人 RHODIA OPERATIONS 发明人 FOURNIER ELISE;NEVEU SYLVAINE;RACINOUX JOEL
分类号 C01B33/148 主分类号 C01B33/148
代理机构 代理人
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