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Method for producing MFI type zeolite thin film in which all b-axes having various thicknesses are vertically oriented with respect to the substrate
Method for producing MFI type zeolite thin film in which all b-axes having various thicknesses are vertically oriented with respect to the substrate
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机译:MFI型沸石薄膜的制造方法,其中具有各种厚度的所有b轴相对于基板垂直取向
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摘要
A b-oriented MFI zeolite membrane with variable thickness is provided. The MFI zeolite membrane is composed of zeolite crystals whose b-axes are all uniformly oriented perpendicular to a substrate. Further provided is a method for preparing the MFI zeolite membrane. The method comprises forming zeolite or zeotype molecular sieve seeds with different thicknesses on a substrate and adding the seeded substrate to a gel for the synthesis of an MFI zeolite containing a structure-directing agent to grow zeolite or zeotype molecular sieve crystals thereon. The MFI zeolite membrane overcomes the limitations of prior art zeolite membranes to maximize its applicability.
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