溶液环境对陶瓷膜微滤微米级颗粒悬浮液的影响Effect of Solution Environment on the Cross-flow Microfiltration of Micro-sized Particle Suspensions with Ceramic Membranes
钟璟,徐南平,时钧
摘要(Abstract):
本文研究了溶液环境对陶瓷微滤膜处理微米、亚微米级颗粒悬浮液过程的影响。通过测定电解质溶液种类、浓度对微滤过程渗透通量的影响,及溶液环境对微滤过程影响随颗粒粒径、膜孔径的变化,确定了溶液环境对微滤过程的影响主要是由于其引起了颗粒表面Zeta电位的变化,改变了颗粒在溶液中的分散情况,并引起了决定膜通量的颗粒粒径/膜孔径比值的变化。从而改变了微滤过程。
关键词(KeyWords): 溶液环境;陶瓷微滤膜;微米级颗粒悬浮液
基金项目(Foundation): 国家“九五”攻关项目!(96-A13-02-01)
作者(Author): 钟璟,徐南平,时钧
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