发明名称 METHOD FOR CONTAMINANT REMOVAL IN PAPER PRODUCTION
摘要 The present invention relates to a process for controlling deposits in a paper making process, more particularly to a process comprising the use of talc for controlling deposits in a paper making process with talc. One aspect of the invention is contacting talc with a white water stream at one or more locations within the paper making process after separating pulp from a pulp-containing stream and before introducing the re-circulating the white water stream to one or more of a pulper, a thick-stock, a thin-stock, a dilution process, a shower, a storage vessel, a blending process, and a digestor.
申请公布号 EP2580390(A4) 申请公布日期 2014.10.01
申请号 EP20110793090 申请日期 2011.06.08
申请人 IMERYS TALC AMERICA, INC. 发明人 WOICESHYN, DANIEL, MARK
分类号 D21C7/00;D21H17/68;D21H21/02 主分类号 D21C7/00
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