| 摘要 |
A high-silica content zeolite having a novel crystal structure, a zeolite membrane and manufacturing methods for these are provided, and the present invention relates to a zeolite having the chemical composition represented by [(Si<SUB>36-x</SUB>T<SUB>y</SUB>.O<SUB>72</SUB>).M<SUB>z</SUB>] (wherein M is a cation of an alkali metal such as Li, Na, K or Rb, T represents Al, Ga, Fe and Ce as skeleton substituting elements, x satisfies 0<=x<=3.0, y satisfies 0<=y<=1.0 and z satisfies 0<=z<=3.0), and having a micropore formed of covalent bonds between Si and O atoms, with a specific diffraction peak at 2theta in powder x-ray diffraction, together with a zeolite membrane and methods for manufacturing these. |
