发明名称 BENTONITE FOR BINDING IMPURITIES DURING PAPER PRODUCTION
摘要 <p>A method for binding impurities in paper production, comprising the following steps: a) provision of a bentonite, the proportion of the monovalent cations, based on the cation exchange capacity (CEC) of the bentonite, being at least 0.7 and the CEC being more than 85 meq/100 g, preferably more than 90 meq/100 g, in particular more than 95 meq/100 g; b) addition of the bentonite according to a) to a paper pulp or fiber suspension; c) binding of the impurities to the bentonite in the pulp or fiber suspension is described.</p>
申请公布号 PT1825056(E) 申请公布日期 2015.04.08
申请号 PT20050826382T 申请日期 2005.11.30
申请人 SUD-CHEMIE IP GMBH & CO. KG 发明人 ULRICH SOHLING;HUBERTUS BESTING;GENOVEFA WENDRICH
分类号 D21H21/02 主分类号 D21H21/02
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