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    • 8. 发明专利
    • Method for forming silicalite membrane and separation membrane
    • 用于形成硅酸盐膜和分离膜的方法
    • JP2005218990A
    • 2005-08-18
    • JP2004030893
    • 2004-02-06
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • NEGISHI HIDEYUKIYAGISHITA HIROSHIIKEGAMI TORUKITAMOTO MASARUIMURA TOMOHIROSANO YOJIOKAMOTO MASAYOSHI
    • B01D71/02B01J19/08C01B37/02
    • PROBLEM TO BE SOLVED: To provide a zeolite separation membrane which is a thin zeolite layer deposited in fine pores existing on the surface of a porous substrate.
      SOLUTION: In a method for forming a fine silicalite membrane on the surface of the porous substrate, silica seed crystals are deposited on the surface of the porous substrate by applying voltage across electrodes in the presence of the porous substrate in a state of dispersing the silica seed crystals in an organic solvent or water and the silica seed crystals are grown by hydrothermally synthesizing synthetic gels obtained by adding a silica source, an alkaline source and a template on the substrate to ion exchange water to adjust them. Further, in a method for forming a fine silicalite membrane on the surface of the porous substrate, the silica seed crystals are deposited on the surface of the porous substrate by applying voltage across the porous substrate and the electrode, then the silica seed crystals are grown by hydrothermally synthesizing synthetic gels obtained by adding the silica seed crystal on the substrate, the silica source, the alkaline source, and the template to the ion exchange water to adjust them.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种沸石分离膜,其是沉积在存在于多孔基材表面上的细孔中的薄沸石层。 解决方案:在多孔基材的表面上形成精细硅沸石膜的方法中,在多孔基材的存在下,通过在多孔基材的存在下施加跨过电极的电压,将二氧化硅晶种沉积在多孔基材的表面上, 将二氧化硅晶种分散在有机溶剂或水中,并通过水热合成通过在基板上添加二氧化硅源,碱性源和模板而获得的合成凝胶至离子交换水来调节二氧化硅晶种。 此外,在多孔基材的表面上形成微细硅质岩膜的方法中,通过在多孔基材和电极上施加电压将二氧化硅晶种沉积在多孔基材的表面上,然后将二氧化硅晶种生长 通过将通过将二氧化硅晶种添加到基板上,将二氧化硅源,碱性源和模板加入到离子交换水中而获得的合成凝胶进行水热合成以进行调整。 版权所有(C)2005,JPO&NCIPI