Process for the preparation of su00cdlices Hasty Hasty and su00cdlices obtained

摘要

Process for the preparation of precipitated silica, which REACT with a silicate with an acidifying Agent to obtain a suspension of silica; Silica suspension is filtered to obtain a Filter Cake; and the filter Cake is subjected to a Operation of LiquefactionOptionally in the presence of an Aluminium compound; at least a policarboxu00edlico acid is added to the filter Cake, during or after the operation of Liquefaction.