摘要
以我国速生桉木为原料,研究液比对其硫酸盐法制浆效果(卡伯值、残碱、黏度、粗浆和粗渣率、纸浆纤维分布均一性)的影响。结果表明:增大液比使蒸煮液的碱浓度降低,蒸煮效率下降;而纸浆的粗浆得率、黏度、纤维的平均长度与卡伯值之间的关系几乎不受液比的影响;另外,随着蒸煮液比的增大,相同卡伯值下的纸浆粗渣率下降,纤维长度分布均一性升高,分界点的液比为4.5。因此,从减少粗渣率以及提高纸浆纤维分布均匀性的角度来看,适宜的蒸煮液比应为4.5。
s： This paper reported an investigation of the effect of liquid-to-wood ratio on the performance in eucalyptus kraft pulping. The results showed that the cooking efficiency linked negatively with the increasing of liquor ratio resulting in the decline of the concentration of cooking liquor. The liquid-to-wood ratio has little effect on the relationship between the unscreened yield / viscosity and kappa number of pulps. The liquid-to-wood ratio of 4.5 can not only minimize the rejects of pulps, but also improve the fiber uniformity in the pulping process.
出处
《纸和造纸》
北大核心
2012年第9期23-26,共4页
Paper and Paper Making
基金
国家自然科学基金(21076091)
教育部博士点基金(20110172110026)
关键词
桉木
液比
卡伯值
粗渣率
制浆均一性
eucalyptus
liquid-to-wood ratio
kappa number
unscreened yield
uniformity
