SYNTHESIS OF AN A-TYPE ZEOLITE MEMBRANE ON SILICON-OXIDE FILM-SILICON, QUARTZ PLATE AND QUARTZ FIBER FILTER

被引:59
作者
YAMAZAKI, S [1 ]
TSUTSUMI, K [1 ]
机构
[1] TOYOHASHI UNIV TECHNOL,DEPT MAT SCI,TOYOHASHI,AICHI 441,JAPAN
来源
MICROPOROUS MATERIALS | 1995年 / 4卷 / 2-3期
关键词
MEMBRANE SYNTHESIS; A-TYPE ZEOLITE; ZEOLITE MEMBRANE; SUBSTRATE; DOUBLY DILUTED LIQUID PHASE;
D O I
10.1016/0927-6513(95)00006-U
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A-type zeolite membranes were prepared on three kinds of substrates with different characters: silicon plate, the surface of which was oxidized; quartz glass plate; and a filter of quartz glass fiber. The membrane syntheses were successfully performed by using the liquid phase separated from the hydrogel of the reactants. A well crystallized tight membrane was synthesized on silicon oxide film-silicon and quartz plates. However, the former substrate was often corroded, which induced instability for the prepared membrane. A multi-fold crystallization by using A-type zeolite powder as a seed was very effective to obtain a tight and compact membrane on the quartz fiber filter. A formation mechanism of the A-type zeolite membrane on the substrate is also discussed.
引用
收藏
页码:205 / 212
页数:8
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