| 陶瓷膜技术洗涤对粉体分散性影响 |
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| 引用本文： | 董强,姚李,闫冰川. 陶瓷膜技术洗涤对粉体分散性影响[J]. 淮南师范学院学报, 2011, 13(3): 22-24 |
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| 作者姓名： | 董强 姚李 闫冰川 |
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| 作者单位： | 合肥学院化学与材料工程系,安徽合肥,230022 |
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| 基金项目： | 合肥学院引进人才科研启动基金计划项目，安徽省教育厅自然科学基金项目 |
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| 摘 要： | 采用陶瓷微滤膜,以硫酸法生产的TiO（OH）2粉体浆料为对象,研究了洗涤过程中粉体Zeta电位变化对粉体分散性影响。实验考察了操作压差、错流速率、洗涤次数等工艺参数的影响。确立了操作压差和膜面流速分别为0.12 MPa和1.5 m/s较为合适该体系参数。随着洗涤次数增加,物料中电解质浓度不断降低,粉体颗粒表面Zeta电位绝对值升高,颗粒之间相互排斥作用增强,渗透阻力降低,渗透通量提高,粉体分散性提高。
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| 关 键 词： | 陶瓷膜 粉体分散性 洗涤 Zeta电位 |
Effects on dispersivity of powders by washing process with ceramic membrane |
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| DONG Qiang,YAO Li,YAN Bing-chuan. Effects on dispersivity of powders by washing process with ceramic membrane[J]. Journal of Huainan Teachers College, 2011, 13(3): 22-24 |
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| Authors: | DONG Qiang YAO Li YAN Bing-chuan |
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| Affiliation: | DONG Qiang, YAO Li, YAN Bing-chuan |
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| Abstract: | The effects of the disprsivity of the commercial TiO （OH）2 particles on permeability by washing process with ceramic membrane was studied. The parameters identifying the washing conditions, such as the operation pressure and the cross flow velocity, were |
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| Keywords: | ceramic membranes powders dispersivity washing Zeta potential |
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