Laminated zeolite composite and method for production thereof

Details Laminated zeolite composite and method for production thereof Laminated zeolite composite and method for production thereof

2007-08-07

2007-08-07

Dye, Rena (Department: 1774)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

C428S312600, C428S212000, C210S506000, C210S210000, C502S060000, C502S063000, C502S064000, C502S071000, C502S004000

Reexamination Certificate

active

10797833

ABSTRACT:
A laminated zeolite composite is provided, including a MFI membrane constituted by a MFI type zeolite having a SiO2/Al2O3(molar ratio) of 40 to 100, and a porous substrate constituted by a MFI type zeolite having a SiO2/Al2O3(molar ratio) of 20 to 400, wherein the MFI membrane is formed on the porous substrate. The composite has high separation characteristics and high permeability.

REFERENCES:
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Tsuneji Sano et al., “Pervaporation Performance of Zeolite Membrane,” Kagaku Kogyo, Feb. 1995, pp. 25-31.
U.S. Appl. No. 10/792,500, filed Mar. 3, 2004, Mori et al.

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