基于膜射流乳化技术的TiO2大孔陶瓷制备方法研究

CIESC Journal

• RESEARCH NOTES • 上一篇

基于膜射流乳化技术的TiO₂大孔陶瓷制备方法研究

景文珩; 吴守红; 薛业建; 金万勤; 邢卫红; 徐南平

Membrane Science & Technology Research Center, Key Laboratory of Material-oriented Chemical
Engineering of Jiangsu Province &MOE, Nanjing University of Technology, Nanjing 210009,
China

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-08-28 发布日期:2007-08-28
通讯作者: 景文珩

Preparation of macroporous TiO₂ ceramic based on membrane jet-flow emulsification

JING Wenheng; WU Shouhong; XUE Yejian; JIN Wanqin; XING Weihong; XU Nanping

Membrane Science & Technology Research Center, Key Laboratory of Material-oriented Chemical
Engineering of Jiangsu Province &MOE, Nanjing University of Technology, Nanjing 210009,
China

Received:1900-01-01 Revised:1900-01-01 Online:2007-08-28 Published:2007-08-28
Contact: JING Wenheng

摘要/Abstract

摘要： A novel method to prepare macroporous TiO2 ceramic, based on membrane emulsification was
reported. To solve the paradox between the instability of nonaqueous emulsion and long
emulsification time required by the membrane emulsification, a two-stage ceramic membrane
jet-flow emulsification was proposed. Discussion was conducted on the evolution of droplet
size with time, which followed the Ostwald ripening theory. And a monodis-persed nonaqueous
emulsion with an average droplet size of 1.6μm could be prepared. Using the emulsion as a
template, TiO2 ceramics with an average pore size of 1.1μm were obtained. The material
could be prospectively used for preparation of catalysts, adsorbents, and membranes.

关键词: nonaqueous emulsion;ceramic;membrane emulsification;jet-flow

Abstract: A novel method to prepare macroporous TiO2 ceramic, based on membrane emulsification was
reported. To solve the paradox between the instability of nonaqueous emulsion and long
emulsification time required by the membrane emulsification, a two-stage ceramic membrane
jet-flow emulsification was proposed. Discussion was conducted on the evolution of droplet
size with time, which followed the Ostwald ripening theory. And a monodis-persed nonaqueous
emulsion with an average droplet size of 1.6μm could be prepared. Using the emulsion as a
template, TiO2 ceramics with an average pore size of 1.1μm were obtained. The material
could be prospectively used for preparation of catalysts, adsorbents, and membranes.

Key words: nonaqueous emulsion, ceramic, membrane emulsification, jet-flow

景文珩, 吴守红, 薛业建, 金万勤, 邢卫红, 徐南平. 基于膜射流乳化技术的TiO₂大孔陶瓷制备方法研究[J]. CIESC Journal.

JING Wenheng, WU Shouhong, XUE Yejian, JIN Wanqin, XING Weihong, XU Nanping. Preparation of macroporous TiO₂ ceramic based on membrane jet-flow emulsification[J]. .

基于膜射流乳化技术的TiO₂大孔陶瓷制备方法研究

Preparation of macroporous TiO₂ ceramic based on membrane jet-flow emulsification

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