FOULING OF ULTRAFILTRATION MEMBRANES DURING TREATMENT OF CTMP SCREW PRESS FILTRATES

被引：0
|
作者：
RAMAMURTHY, P
POOLE, R
DORICA, JG
机构：
来源：
JOURNAL OF PULP AND PAPER SCIENCE | 1995年 / 21卷 / 02期
关键词：
ULTRAFILTRATION; MEMBRANE; CHEMITHERMOMECHANICAL PULPS; FILTRATES; FOULING; SCREW PRESSES;
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 resistance offered by hydrophilic ultrafiltration (UF) membranes to permeate flow was analyzed. At steady-state conditions, up to 45% of the total resistance was found to be due to surface fouling. In the optimum pressure range of 345-517 kPa (50-75 psig), operation at high turbulence was found most effective in minimizing fouling and in maintaining high permeate flux. Pulse-enhanced electro-UF increased the membrane flux by about 20%. Transverse-flow UF technology was found to inhibit the growth of the foulant layer.
引用
收藏
页码：J50 / J54
页数：5
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