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膜萃取处理高盐水杨酸废水传质特性研究

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2011-09-30

Journal: 环境工程

Included Journals: ISTIC、PKU

Issue: S1

Page Number: 132-134+329

ISSN: 1000-8942

Key Words: 均质硅橡胶膜;膜萃取;总传质系数;水杨酸

Abstract: 采用膜萃取分离法处理高盐水杨酸废水。讨论了料液流量F、反应温度T、萃取液pH值、料液进水浓度Cf,in等因素对膜传质性能和水杨酸去除效果的影响。结果表明:总传质系数Kov受料液流量和反应温度两因素影响较大;在Cf,in=854.2±19.7 mg/L、F=3 L/d、T=323 K、萃取液侧pH=11.5±0.2、膜管长L=50 m的条件下,水杨酸去除率可达97%。

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