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In-situ synthesis of b-oriented silicalite-1 membrane on chitosan-modified silica-zirconia intermediate layer

LIU Xiufeng;LANG Lin;ZHANG Baoquan;LIN Y. S.   

  • Online:2006-04-25 Published:2006-04-25

在壳聚糖改性的硅锆复合中间层上原位水热合成b-轴取向silicalite-1分子筛膜

刘秀凤;郎林;张宝泉;Y.S.LIN   

  1. 天津大学化工学院，天津 300072;亚力桑那州立大学化学与材料工程系,Tempe, AZ 85287, USA

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Abstract: The b-oriented silicalite-1 membrane on the substrate α-Al2O3 pre-coated with a silica-zirconia intermediate layer was synthesized by using in-situ crystallization. The influence of chemical properties of the substrate surface on crystal growth and orientation was investigated. The result indicated that the surface modification by pre-coating a thin film of chitosan was conducive to the formation of b-oriented silicalite-1 membrane with good quality.

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