发明名称 A method and an apparatus for treating paper pulp
摘要 A method and an apparatus for increasing form factor and tensile index in a dry paper pulp for sale which per se is produced in a paper pulp mill and comprises the steps of: raw materials intake, possible debarking and chipping, cooking, as well as bleaching of the paper pulp obtained therefrom to brightnesses of between 70 and 95 per cent ISO, whereafter the product is dried. According to the invention, the paper pulp is mechanically processed in the wet state after the bleaching and before the drying in a fibre shearing apparatus (1-6 weight per cent concentration) at a moderate pressure of from 100 to 750 kPa. <IMAGE>
申请公布号 EP1420109(A1) 申请公布日期 2004.05.19
申请号 EP20030024783 申请日期 2003.10.30
申请人 SOEDRA CELL AB 发明人 LARSSON, PER;LENNVIG, MATS
分类号 D21C9/00;(IPC1-7):D21C9/00 主分类号 D21C9/00
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