Miscible liquids flow through a pulp fiber bed

被引：0
|
作者：
Potucek, F [1 ]
机构：
[1] Univ Pardubice, Fac Chem Technol, Wood Pulp & Paper Dept, Pardubice, Czech Republic
来源：
CELLULOSE CHEMISTRY AND TECHNOLOGY | 2003年 / 37卷 / 5-6期
关键词：
pulp fibre bed; polyacrylamide; displacement; dispersion;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
The paper discusses displacement washing of kraft pulp, as part of miscible-displacement processes. If dissimilar miscible liquids are flowing through the porous fibre pad. dispersion is larger than that due to diffusion alone. For polyacrylamide solutions exhibiting slightly shear-thinning behaviour and for the water used as washing liquids. the influence of the wash liquid velocity, as well as mobility of displacing and displaced liquids on the longitudinal dispersion coefficient affecting washing efficiency was investigated. The presence of high molecular mass polyacrylamides in the washing liquid influenced the washing yield. as a function of polyacrylamides' ionicity. as Well as on the washing liquid's mobility.
引用
收藏
页码：391 / 404
页数：14
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