Conditioning and dewatering of pulp and paper sludge

被引：11
|
作者：
Chen, LC [1 ]
Chien, CY
Chu, CP
Lee, DJ
Hsieh, KH
Lee, CH
Liu, JC
机构：
[1] Dept Chem Engn, Taipei 106, Taiwan
[2] Natl Taiwan Univ Sci & Technol, Dept Chem Engn, Taipei 106, Taiwan
来源：
DRYING TECHNOLOGY | 2002年 / 20卷 / 4-5期
关键词：
D O I：
10.1081/DRT-120003772
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The dewaterability of pulp and paper sludges is usualy poor. In this study, biological sludge samples from two pulp and paper mills were conditioned with three cationic polyelectrolytes that have similar molecular weights and different charge densities. Cationic polyelectrolyte of high charge density could efficiently enhance sludge dewaterability and markedly reduce the residual moisture content in the dewatered cake. On the other hand, the introduction of seawater to pulp and paper sludge would increase the demand of the cationic polyelectrolyte.
引用
收藏
页码：967 / 988
页数：22
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