期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 41, 期 1, 页码 871-879出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2020.07.069
关键词
Asymmetric membrane; Alumina; Freeze casting; Tape casting; Water permeability
资金
- Brazilian Council for Scientific and Technological Development (CNPq)
- Brazilian-German Collaborative Research Initiative in Manufacturing (BRAGECRIM) project - Brazilian Coordination for the Improvement of Higher Education Personnel (CAPES)
- German Research Foundation (DFG) [WI 3131/5-1]
An asymmetric alumina microfiltration membrane with high performance was prepared by combining freeze and tape casting techniques followed by two sintering steps. The morphology influences were investigated for different solid loadings, additives content and the assembled layer membrane structures. The assembled ceramic membrane had an average pore size between 30 and 50 m, suitable for microfiltration separation with porosity in the range of 26-50% and water flux of 11-32 m(3) m(-2) h(-1) bar(-1).
An assembled asymmetric alumina microfiltration membrane with high performance was prepared by combining freeze and tape casting techniques followed by two sintering steps. Freeze casting was used for manufacturing of the porous support layer with a highly interconnected pore network. Tape casting was applied on the top layer to form a pre-membrane with smaller pore size and controlled thickness, which was set on the sintered support. Morphology influences were investigated for different solid loadings, additives content and the assembled layer membrane structures. No delamination among the layers was observed. The assembled ceramic membrane had an average pore size between 30 and 50 m together with a top surface layer around 0.35 m, which is suitable to the microfiltration separation process. Porosity in the range of 26-50 % and water flux of 11-32 m(3) m(-2) h(-1) bar(-1) were reached for samples prepared with two sintering steps at 1600 and 1300 degrees C for 2 h.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据