Crystalline aluminosilicate zeolitic composition: uzm-4m

Details Crystalline aluminosilicate zeolitic composition: uzm-4m Crystalline aluminosilicate zeolitic composition: uzm-4m

C - Chemistry, Metallurgy

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C01B 39/00 (2006.01) B01J 29/70 (2006.01) C01B 39/02 (2006.01) C01B 39/48 (2006.01) C10G 29/20 (2006.01) C10G 45/64 (2006.01) C10G 47/16 (2006.01)

Patent

CA 2483926

A crystalline aluminosilicate zeolite identified as UZM-4M has been synthesized. This zeolite is obtained by treating a UZM-4 zeolite with a fluorosilicate salt to obtain a zeolite having the empirical formula:M1an+Al1- xExSiyOzwhere M1 is an alkali metal, alkaline earth metal, rare earth metal, hydronium ion or ammonium ion, E can be gallium, iron, boron, indium and mixtures thereof and has a Si/Al ratio of 1.5 to 10.

L'invention concerne une zéolite d'aluminosilicate cristalline synthétisée, appelée UZM-4M. Cette zéolite est obtenue par traitement d'une zéolite UZM-4 avec un sel de fluorosilicate de façon à obtenir une zéolite de formule empirique Ml¿a??n+¿Al¿1-x?E¿x?Si¿y?O¿z?, dans laquelle Ml est un métal alcalin, un métal alcalino-terreux, un métal des terres rares, un ion hydronium ou un ion ammonium, E peut être du gallium, du fer, du bore, de l'indium ou des mélanges de ceux-ci et le rapport Si/Al est compris entre 1,5 et 10.

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