Effect of aggregate size and structure on specific resistance of biosolids filter cakes

被引：24
|
作者：
Guan, J [1 ]
Amal, R
Waite, TD
机构：
[1] Univ New S Wales, Sch Civil & Environm Engn, Sydney, NSW 2052, Australia
[2] Univ New S Wales, Sch Chem Engn & Ind Chem, Sydney, NSW 2052, Australia
来源：
WATER SCIENCE AND TECHNOLOGY | 2001年 / 44卷 / 10期
关键词：
floc size; fractals; polymer; sludge dewatering; specific resistance;
D O I：
10.2166/wst.2001.0624
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Investigation of the specific resistance to filtration of biosolids modified by cationic polymer addition reveals a dependence on both size and structure of the resulting biosolids flocs. This dependence is reasonably described by a modified form of the Carman-Kozeny equation and reveals that effects of differences in floc structure on cake resistance are most marked for flocs of small size. Conversely, effects of differences in floc size are most significant when flocs are more compact.
引用
收藏
页码：215 / 220
页数：6
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