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Author:

刘德忠 (刘德忠.) | 王湛 (王湛.) (Scholars:王湛) | 张阳 (张阳.)

Abstract:

采用酵母悬浮液作为实验体系,选用0.2μm的聚醚砜(PES)平板微滤膜分别在自制微滤杯(200 mL,0.002 4 m~2,以压缩空气为推动力)和错流装置(用恒流量蠕动泵Masterflex来循环料液)上对影响死端微滤比阻的因素(浓度、压力、温度和循环流速(错流微滤))分别进行了正交设计实验研究,结果表明:1)死端微滤时,对比阻影响最大的是操作压力,比阻与之呈指数关系;其次是料液浓度,低浓度时比阻先随浓度增加而减小,浓度大于1.0 g/L后,反而随浓度增大而增加;温度对比阻影响较小,温度升高比阻增加.2)错流微滤时,影响最大的是错流速率,错流速率升高时比阻增大;压力的影响次之,压力增加时比阻...

Keyword:

死端 微滤 比阻 错流 操作条件

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院

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Source :

Year: 2005

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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