发明名称 THE USE OF ACIDIC WATER IN THE MANUFACTURE OF PAPER
摘要 The present invention relates to a method of manufacturing paper or cardboard, wherein paper or board pulp is diluted with an aqueous composition, which is formed from colloidal-size particles of carbonate and bicarbonate, and other states of carbonate in an aqueous solution, so that the pH in the aqueous solution remains essentially at a value of 6.0-8.3 during the formation, and water is removed from the pulp by draining, pressing, and drying. The invention also relates to a method of manufacturing the aqueous composition used for this purpose.
申请公布号 CA2794128(A1) 申请公布日期 2011.10.27
申请号 CA20112794128 申请日期 2011.04.21
申请人 NORDKALK OY AB 发明人 SAASTAMOINEN, SAKARI;VIRTANEN, PENTTI
分类号 D21C9/00;D21H17/67;D21H17/70 主分类号 D21C9/00
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