Process for preparing zeolite material having an AFX framework structure and zeolite material as prepared

A process for preparing a zeolite material having an AFX framework structure comprising X2O3 and YO2 via interzeolite conversion, the process comprising

• (1) providing a mixture comprising a first zeolite material having a non-FAU framework structure comprising X2O3 and YO2 and an organic structure directing agent selected from the group consisting of diquaternary ammonium cation containing compounds, wherein the first zeolite material acts as sources for X2O3 and YO2, and
• (2) heating the mixture from (1) to form a second zeolite material having an AFX framework structure comprising X2O3 and YO2,
• wherein X is a trivalent element and Y is a tetravalent element,
• wherein when the first zeolite material is a zeolite having a CHA framework structure, the organic structure directing agent is not 1,4-bis(1,4-diazabicyclo[2.2.2]octane)butyl dihydroxide, and
• wherein the organic structure directing agent is N,N,N,N′,N′,N′-hexaethyl-1,5-pentanediammonium.

A process for preparing a zeolite material having an AFX framework structure comprising X2O3 and YO2 via interzeolite conversion, the process comprising

• (1) providing a mixture comprising a first zeolite material having a non-FAU framework structure comprising X2O3 and YO2 and an organic structure directing agent selected from the group consisting of diquaternary ammonium cation containing compounds, wherein the first zeolite material acts as sources for X2O3 and YO2, and
• (2) heating the mixture from (1) to form a second zeolite material having an AFX framework structure comprising X2O3 and YO2,
• wherein X is a trivalent element and Y is a tetravalent element, and
• wherein the organic structure directing agent is N,N,N,N′,N′,N′-hexaethyl-1,5-pentanediammonium.